[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill:01M6C3ABT400GGC4G6749C3FBP":3,"skill-same:01M6C3ABT400GGC4G6749C3FBP":192},{"skillNo":4,"name":5,"nameZh":6,"description":7,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":6,"repositoryNo":12,"starsCount":13,"licenseSpdxId":14,"licenseFileUrl":6,"sourceHtmlUrl":15,"categories":16,"keywords":25,"publishedAt":58,"linkOnly":59,"markdownContent":60,"markdownBody":61,"frontMatter":62,"refName":63,"commitSha":64,"skillDirectory":65,"forksCount":66,"repositoryHtmlUrl":67,"repositoryHomepageUrl":6,"ownerHtmlUrl":68,"ownerBlogUrl":6,"ownerDescription":6,"updatedAt":69,"install":70,"resources":83},"01M6C3ABT400GGC4G6749C3FBP","slack-thread-routing-investigation",null,"Diagnose why a Slack reply did not go to the right thread — failure modes 1-6 (5a-5h) plus direct-HTTP fallback. Includes wrong thread_ts from session header, deliver:local cron leak, cross-workspace bot-token block, home-workspace bot-not-in-channel, MCP wrapper `text must be a string`, Slack attachment unreadable, and the silent-empty-MsgID failure mode where `mcp__slack__conversations_add_message` returns no error and no message ID without delivering the post. Use when reply lands top-level, narration leaks, add_message returns bare error OR empty MsgID with no error, recovery stalls, user sends attachment, or user says I thought we fixed this.","jleechanorg\u002Fjleechan-skills","jleechanorg","https:\u002F\u002Favatars.githubusercontent.com\u002Fu\u002F221404966?v=4","01M6C1VJ99XG950X1DWPEBCBGX","01M6C1VJDK5YVDNT3362RT5WSB",6,"MIT","https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fjleechan-skills\u002Fblob\u002Fmain\u002Fhermes\u002Fskills\u002Fdevops\u002Fslack-thread-routing-investigation\u002FSKILL.md",[17,22],{"categoryNo":18,"categoryName":19,"taxonomyType":20,"taxonomyTypeDesc":21},"01JBSEEDCAT000000000000005","邮件与沟通","SCENARIO","使用场景",{"categoryNo":23,"categoryName":24,"taxonomyType":20,"taxonomyTypeDesc":21},"01JBSEEDCAT000000000000023","Skill与智能体开发",[26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57],"slack","slack thread routing investigation","thread","routing","investigation","slack thread","top","Wrapper","message","local","token","error","conversations","channel","mode","bare","when","deliver","use","MCP","session","user","workspace","direct","text","why","cron","recovery","http","diagnose","go","bot","2026-11-10 10:12:30",false,"---\nname: slack-thread-routing-investigation\ndescription: 'Diagnose why a Slack reply did not go to the right thread — failure modes 1-6 (5a-5h) plus direct-HTTP fallback. Includes wrong thread_ts from session header, deliver:local cron leak, cross-workspace bot-token block, home-workspace bot-not-in-channel, MCP wrapper `text must be a string`, Slack attachment unreadable, and the silent-empty-MsgID failure mode where `mcp__slack__conversations_add_message` returns no error and no message ID without delivering the post. Use when reply lands top-level, narration leaks, add_message returns bare error OR empty MsgID with no error, recovery stalls, user sends attachment, or user says I thought we fixed this.'\n---\n\n# Slack Thread Routing — Investigation & Durable Post Path\n\n> ## ⚠️ STATUS UPDATE — 2026-06-14: the `send_message` thread_ts-drop bug is FIXED\n>\n> **As of [PR #29](https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fhermes-agent\u002Fpull\u002F29) (hermes-agent, merged 2026-06-14 21:57:32Z), the gateway `send_message` Slack path honors the `:thread_ts` segment of a 3-part `target=\"slack:CHAN:thread_ts\"`.** Failure 1 (gateway self-roots \u002F strips `:thread_ts` and falls back to the home channel — tracked as `$USER-kr3b` \u002F agent-orchestrator #684) is **resolved at the code level**: `tools\u002Fsend_message_tool.py` now widens `_SLACK_TARGET_RE` to capture `:thread_ts`, forwards it in `_parse_target_ref`, builds the payload with it in `_send_slack`, and **fails loud** if the echoed `thread_ts` does not match.\n>\n> **What this means for you, right now:**\n> - **Use the 3-part `send_message target=\"slack:CHAN:thread_ts\"` form as the PRIMARY path.** It threads correctly post-#29.\n> - **Path A (MCP HTTP-direct) and Path B (curl `chat.postMessage`) are now FALLBACKS**, not the default — use them only if the gateway tool is unavailable or you observe a *fresh* misroute.\n> - **Every \"`send_message` is BROKEN \u002F never trust it \u002F both forms land top-level \u002F 11 instances\" statement below is HISTORICAL (all dated 2026-06-09 → 2026-06-13, pre-#29).** It is retained as the investigation record, not as current guidance. Do **not** act on it as if `send_message` is still broken.\n> - **Do NOT normalize root\u002Fsibling posts as \"irreducible.\"** Post-#29 a clean single threaded reply is achievable. If your reply still lands at channel root, it is one of: (a) **Failure 5** below (a *wrong* `thread_ts` in your session context — run step 0), or (b) a *fresh* regression of the now-fixed path — in which case **file it** (do not accept it).\n>\n> **Still open (NOT fixed by #29):** **Failure 5 — wrong `thread_ts` injected by the session context header.** This is a separate session-routing bug, not a `send_message` bug. **Step 0 (verify `thread_ts` via `conversations_history`, never the header) remains mandatory regardless of which post path you use.**\n\n## When to use this skill\n\nUse when ANY of these are true:\n\n1. A Slack reply landed as a top-level channel message instead of a thread reply (the user says \"you posted in the wrong thread\" or `conversations_replies` shows the new message has `thread_ts == ts`).\n2. `mcp__slack__conversations_add_message` is not surfaced in the runtime tool list, but the MCP server at `127.0.0.1:8006` does register it.\n3. Bot debug\u002Fthinking lines are leaking into a sibling thread while you are trying to post a single user-facing reply.\n4. The gateway `send_message` Slack path silently ignores `thread_ts` (or rewrites it to the outgoing post own ts).\n5. The user says \"we thought we fixed this\" \u002F \"is this fixed already?\" \u002F \"I thought we patched this\". As of 2026-06-14 the `send_message` thread_ts-drop bug **was** patched (PR #29 — see banner), so this signal no longer means \"the send_message bug is still alive.\" It now most likely means either (a) **Failure 5** (the session context header is feeding you a wrong `thread_ts` — run step 0), or (b) an agent is still following the *historical* \"never trust send_message\" guidance below and self-rooting unnecessarily. Diagnose which before reaching for a workaround; only file a fresh gateway bead+GH issue if you reproduce a genuine post-#29 `send_message` misroute.\n\n## Framing (updated 2026-06-14): the gateway routing bug WAS patched; one related mode remains\n\nThe `send_message` thread_ts-drop bug (Failure 1) was a genuine gateway-side bug in `jleechanorg\u002Fagent-orchestrator-ts` Slack handler — it silently stripped the `:thread_ts` segment from `target=slack:CHAN:thread_ts` and fell back to the home channel. **That bug is now fixed at the code level by [hermes-agent PR #29](https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fhermes-agent\u002Fpull\u002F29) (merged 2026-06-14).** The `slack-reply-inherit-thread-ts` SOUL rule (2026-06-09) and the Path A\u002FB curl workarounds in this skill were the *interim* agent-side mitigation; post-#29 they are fallbacks, not the default.\n\n**One related mode is NOT a `send_message` bug and remains open: Failure 5** — the session-routing layer can inject a *wrong* `thread_ts` into your prompt `Source: Slack (...)` header. No `send_message` fix addresses this, because the agent itself supplies the wrong target. **Step 0 (verify `thread_ts` from `conversations_history`, never the header) is the durable mitigation and is mandatory on every Slack reply.**\n\nWhen a user signals they have seen this before (\"we thought we fixed this?\"): do **not** silently reach for a curl workaround or self-root. First determine which mode you are in — a *fresh* post-#29 `send_message` misroute (file a new gateway bead+issue, it would be a regression) vs Failure 5 (run step 0) vs an agent blindly following the historical \"never trust send_message\" guidance below (it is stale — use the now-fixed 3-part form).\n\n## Action plan (the only durable cure)\n\nIf you are about to send a Slack reply that **must** land in a specific thread, follow these FIVE steps in this exact order — do not improvise:\n\n0. **Verify the `thread_ts` from `conversations_history`, NOT from the session context header.** The header line `Source: Slack (group: \u003Cchan>, thread: \u003Cts>)` is a hint, not authoritative. It can be stale, point to a HERMES-bot prior self-message in the same channel (which has no replies and is not a thread), or point to a different user thread. Before composing anything: call `mcp__slack__conversations_history(channel_id=\u003Cchan>, limit=5)`, find the user most recent message in the channel, and use ITS `thread_ts` (or, if top-level, ITS `ts`) as the reply target. **This is Failure 5 mitigation** (see below). One `conversations_history` call is cheap; the cost of getting `thread_ts` wrong is 2 orphan posts in channel root + a self-correction reply. Verified universal across the 2026-06-14 instance 15.\n1. **Compose the entire final reply in your head (or in a scratch buffer) before the first `send_message` call.** No interim \"wait\" \u002F \"let me re-check\" \u002F \"actually\" narration. The gateway serializes every `\u003Cthink>` block and every post-`send_message` tool call as a separate `chat.postMessage`.\n2. **Post the reply, in priority order:**\n   - **PRIMARY (post-#29):** `send_message target=\"slack:CHAN:thread_ts\"` (the 3-part form). Since PR #29 this honors `:thread_ts` and threads correctly — it is the simplest one-call path. (The historical \"both forms land top-level \u002F 11 instances\" warning below is **pre-#29** and no longer applies to the 3-part form.)\n   - **FALLBACK:** raw HTTP `chat.postMessage` (Path B): one curl call, JSON body via heredoc, explicit `channel` + `thread_ts` + `text`, bot token from `HERMES_SLACK_BOT_TOKEN`. Use this if the gateway tool is unavailable or you observe a fresh misroute. Either way: one post, no probing, no retrying with different `target` formats — each retry adds a leaked post.\n3. **Compose the entire final reply before the first post call.** No interim \"wait\" \u002F \"let me re-check\" \u002F \"actually\" narration between post-related tool calls — the gateway serializes every `\u003Cthink>` block and post-call tool result as its own `chat.postMessage` (Failure 4). This is the real lever against sibling-post leaks, independent of which post path you choose.\n4. **Verify last.** `mcp__slack__conversations_replies channel_id=\u003Cchan> thread_ts=\u003Cts>` is the final action of the turn — pass criteria: the new `MsgID` has `ThreadTs == \u003Cts>` (not its own `MsgID`, not empty).\n\nA clean single threaded reply is the expected outcome post-#29 — do **not** treat root\u002Fsibling posts as \"irreducible cost.\" If your reply still leaks siblings, that is Failure 4 (collapse the investigation to ≤ 3 tool calls and compose before posting); if it lands at channel root, that is Failure 5 (wrong `thread_ts` — run step 0) or a fresh regression to file. The 10-post instance (2026-06-12, pre-#29) was caused by 15 tool calls between the first post and the recovery — tool-call discipline is the lever.\n\n## Six known failure modes + two recurring silent-post failures\n\n> Two additional failure modes (7, 8) sit at the END of this skill — Failure 7 (silent-empty-MsgID from `mcp__slack__conversations_add_message`) and Failure 8 (auto-leak of agent thinking + tool stdout). Both recur in production; both were verified on 2026-07-28 thread `C0ALSKLU9KM\u002Fp1785222486.120339`.\n\n## Six known failure modes\n\n### Failure 1 — Gateway self-roots the post (canonical bug, 2026-06-09 → FIXED 2026-06-14 by PR #29)\n\n**Symptom:** the reply becomes a new top-level channel message; subsequent user follow-ups appear threaded to the bot broken message, not the original.\n\n**Root cause:** the gateway Slack post path set `thread_ts = ts` of the *outgoing* post rather than the *incoming* message `thread_ts` — it dropped the `:thread_ts` segment of the 3-part target and fell back to the home channel.\n\n**Diagnostic:**\n```bash\ngh curl \u002Fapi\u002F... # or use mcp__slack__conversations_replies to compare ts vs thread_ts\n```\nOn the broken message: `ThreadTs == MsgID` (self-rooted). On a correct message in the same channel: `ThreadTs` points to the original parent.\n\n**Status — FIXED:** [hermes-agent PR #29](https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fhermes-agent\u002Fpull\u002F29) (merged 2026-06-14 21:57:32Z) patched this at the code level in `tools\u002Fsend_message_tool.py` (`_SLACK_TARGET_RE` widened, `_parse_target_ref`\u002F`_send_slack` forward `thread_ts`, fail-loud on echo mismatch). The 3-part `send_message target=\"slack:CHAN:thread_ts\"` form is now the PRIMARY working path. If you still see `ThreadTs == MsgID` on a post made via the 3-part form **after** #29, that is a *regression* — file a fresh gateway bead+GH issue (do not just work around it). Path A\u002FB remain as fallbacks. (Failure 5 below — a *wrong* `thread_ts` from the session header — is a separate, still-open mode that #29 does not address.)\n\n### Failure 2 — Runtime tool-surface gap (canonical bug, 2026-06-09)\n\n**Symptom:** `mcp__slack__conversations_add_message` is missing from your tool list, even though the server registers 13 tools including it.\n\n**Root cause:** the gateway MCP client registers the tools server-side but does not surface `conversations_add_message` to the agent runtime. The other tools (`conversations_history`, `conversations_replies`, `channels_list`, `users_search`, etc.) ARE surfaced.\n\n**Diagnostic:**\n```bash\n# Probe the server directly — initialize a session, list tools\nSID=$(curl -sS -i -X POST http:\u002F\u002F127.0.0.1:8006\u002Fmcp \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -H \"Accept: application\u002Fjson, text\u002Fevent-stream\" \\\n  -d '{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"initialize\",\"params\":{\"protocolVersion\":\"2024-11-05\",\"capabilities\":{},\"clientInfo\":{\"name\":\"probe\",\"version\":\"0\"}}}' \\\n  | grep -i \"^mcp-session-id:\" | awk '{print $2}' | tr -d '\\r')\n\ncurl -sS -X POST http:\u002F\u002F127.0.0.1:8006\u002Fmcp \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -H \"Accept: application\u002Fjson, text\u002Fevent-stream\" \\\n  -H \"Mcp-Session-Id: $SID\" \\\n  -d '{\"jsonrpc\":\"2.0\",\"id\":2,\"method\":\"tools\u002Flist\"}'\n```\nIf `conversations_add_message` is in the response but missing from your tool list, you have Failure 2. Fall through to the Durable Post Path.\n\n### Failure 3 — Gateway scratch-leak during probing (canonical bug, 2026-06-10)\n\n**Symptom:** while figuring out the post endpoint (probing `\u002Ftools\u002Flist`, `\u002Fv1\u002Ftools`, `\u002Fmcp` without a session, etc.), 3-6 bot debug lines leak into the *most recent visible thread* in the channel — typically the broken sibling thread, which makes the leak loudest.\n\n**Root cause:** the gateway times out the Slack post call after ~3 min and starts streaming intermediate status into whatever thread the user is looking at. This is the same gateway-scratch-leak from the 2026-06-09 loop, but the trigger changed: now any non-trivial post path investigation triggers it.\n\n**Mitigation:** once you have a working `SID` from Failure 2 diagnostic, do all subsequent calls inside a single curl pipeline. Do NOT issue multiple curl calls separated by `echo \"---\"`. Each one is a fresh gateway invocation that risks another scratch-leak cycle.\n\n### Failure 4 — Tool-call narration leaks as separate posts even after the final reply is correctly routed (canonical bug, 2026-06-11)\n\n**Symptom:** the final user-facing reply lands correctly in-thread (verified via `conversations_replies`, `ThreadTs == original thread_ts`). But 3-7 sibling posts in the same thread are raw tool-call narration — phrases like \"Let me check…\", \"Now I have the full picture…\", \"Two more scratch-leak posts in the thread — the runtime is leaking every tool-call narration\", \"Let me post ONE final cleanup note…\". The narration comes from the runtime `\u003Cthink>` \u002F tool-result summary that gets streamed as its own Slack message *after* the final reply `send_message` returns.\n\n**Root cause:** the gateway serializes each \"text\" block the runtime emits between tool calls as a separate `chat.postMessage`. The final `send_message` call succeeds, but the runtime keeps generating thinking-block text for subsequent tool calls (e.g. `mcp__slack__conversations_replies` to verify, `read_file` to check a status, etc.) and each one of those becomes a new Slack post. This is a different leak vector than Failure 1 (self-threaded) or Failure 3 (probing): the post is correctly threaded, it is just that there is a *flood* of them, one per `think` block.\n\n**Diagnostic:** after sending a Slack reply, if you call `mcp__slack__conversations_replies` for verification and see N>1 new `MsgID` rows where all but one are short narration text, you have Failure 4. The `ThreadTs` of every leaked post matches the original thread `thread_ts` (correctly routed), so it is NOT Failure 1.\n\n**Mitigation:**\n1. **Compose the entire final reply before calling `send_message` the first time.** Do not call `send_message`, then verify, then write more text — each verification step generates more narration that leaks. Verify AFTER the final reply only, and accept that 1-2 leaks of meta-reasoning may slip in.\n2. **If 5+ narration posts already leaked, post ONE explicit cleanup message** in the same thread naming the noise (e.g. \"the previous N posts were tool-call narration; the actionable reply is at ts X.Y\") and stop. Do not delete them — there is no `chat.delete` token in the runtime in the typical case (verified 2026-06-11: `HERMES_SLACK_BOT_TOKEN` is not in the runtime env, so the curl `chat.delete` path requires sourcing the token from the launchd plist, which is brittle).\n3. **The actual post landed correctly; the user can see the answer.** Failure 4 is noise, not data loss. Do not let it derail into a \"fix the leak\" rabbit hole when the original request is still actionable.\n\n**This is the failure mode that triggers the \"2-part `target=slack:CHAN` works but pollutes the thread\" observation from 2026-06-10 vNU3 PCD-spread (instance 5).** The 2-part form is the working pattern; the leak is a separate runtime-streaming bug, not a routing bug.\n\n### Failure 5 — Wrong `thread_ts` from session context header (canonical bug, 2026-06-14, instance 15)\n\n**Symptom:** the agent posts via Path B curl with what it believes is the correct `thread_ts` (taken from the runtime `Source: Slack (group: \u003Cchan>, thread: \u003Cts>)` context header). The post lands as 1-2 top-level orphans in the channel root with no `ThreadTs`, NOT in the intended thread. A `conversations_replies(thread_ts=\u003Cwrong_ts>)` call returns `thread_not_found` because the supposed \"thread\" is actually a HERMES-bot prior top-level status post (not a thread) or a different user question.\n\n**Root cause:** the session-routing layer that injects `Source: Slack (group: \u003Cchan>, thread: \u003Cts>)` into the prompt is not always in sync with the user actual current thread. Three observed failure shapes:\n- The header points to a HERMES-bot own self-message in the same channel (the bot prior status post, which is a top-level message with no replies, not a thread). `conversations_replies(ts=\u003Cbot_self_msg>)` returns `thread_not_found` because there is no parent.\n- The header points to a different user question from a different thread in the same channel. The agent posts to the wrong thread, polluting an unrelated conversation.\n- The header is from a previous turn in the same session and points to a thread the user has already left. The post goes to a stale thread that the user is no longer reading.\n\n**Diagnostic:**\n```bash\n# 1) Get the most recent messages in the channel\nmcp__slack__conversations_history(channel_id=\u003Cchan>, limit=5)\n\n# 2) Look for the user question that triggered THIS turn\n#    (not a HERMES-bot self-message, not a previous user thread)\n#    The user question is a row with UserName=$USER (or whoever)\n#    and ThreadTs matching the actual thread the user is in\n\n# 3) Use THAT row ts (or thread_ts if it is a reply) as the reply target\n#    NOT the thread_ts from the session context header\n```\n\n**Mitigation:** the pre-flight `conversations_history` step is now **required** before composing any Path B JSON payload. Treat the session context header as a hint about the channel (the `group` field is usually right), but never trust the `thread` field. The 1 extra tool call is cheap insurance against a 2-orphan + self-correction cycle. The corrected reply should include a `Self-correction transparency` section in its body (not a separate apology message) so the user reads one message with both the analysis AND the explanation of why prior siblings in the same turn were orphans. Worked example at `references\u002F2026-06-14-wrong-thread-ts-context-instance-15.md`.\n\n**Distinct from Failure 1:** Failure 1 is the gateway stripping `:thread_ts` from `target=slack:CHAN:thread_ts`. Failure 5 is the agent itself supplying the wrong `thread_ts` from a stale prompt header. The post is correctly threaded under the wrong thread (or top-level if the wrong `thread_ts` does not exist as a thread) — it is not the gateway that mis-routes, it is the agent input. Path A\u002FB curl with the wrong `thread_ts` will reproduce the bug every time, deterministically. The fix is the agent pre-flight, not the gateway.\n\n**Implication for the gateway patch (#684):** even after `send_message` is fixed to honor `:thread_ts`, Failure 5 will still occur if the agent session context header is stale. The session-routing layer that injects the thread context is a separate system from the gateway Slack post path. Future agents should be aware that the \"fix the gateway\" PR does not eliminate Failure 5.\n\n### Failure 5e — gateway-cron-LLM with `deliver: local` posts conversational narration at channel root (canonical bug, 2026-06-18, ts 1781793603)\n\n**Symptom:** a cron job whose `deliver` field is `local` (no Slack `chat.postMessage` target is wired into the job itself) runs the LLM, and the LLM posts its conversational narration — clarifications (\"just want to confirm: ...\"), status updates (\"phase complete on ...\"), spawn announcements (\"worker spawned for ...\") — at channel root instead of the cron job origin thread. Observed instance: 3 channel-root orphans at ts `1781793603.149289`, `1781793611.471479`, `1781793618.797789` in #worldai (`C0AH3RY3DK6`) from the `babysit-wa-2366-rev-5deak` cron job. All 3 posts reference both `PR #7570` and `wa-2366 \u002F rev-5deak`; all 3 should have been threaded under `C0AH3RY3DK6 \u002F 1781477039.080969` (the job `thread_ts`).\n\n**Root cause:** `deliver: local` means \"do not call Slack from this job — the LLM is expected to surface its own output through whatever path the operator wired.\" When the LLM posts via Path C (`gateway send_message`), the 3-part `target=\"slack:CHAN:thread_ts\"` form is required to thread correctly. Many cron prompts *do* include the channel + thread in the prompt body (e.g., \"the deliver target is C0AH3RY3DK6 \u002F thread 1781477039.080969\"), but the LLM often paraphrases or skips the `thread_ts` segment when composing conversational posts, producing a root post. The gateway Path C is technically correct (no 5a\u002F5b path bug here); the bug is that the LLM narration thread inheritance is non-deterministic.\n\n**Detection signature (5e-specific):**\n- Channel-root post (`thread_ts` absent OR equal to `ts`)\n- Author == hermes bot (`U0AEZC7RX1Q`)\n- Text contains the cron job name (full or any hyphen-delimited part of length ≥ 4)\n- Text contains at least one PR\u002Fthread identifier extracted from the job prompt (regex: `PR #NNN`, `rev-XXXX`, `wa-NNNN`, generic `aa-NNNN` bead keys, or `NNNNNNNNNN.NNNNNN` Slack ts)\n- Parent job in `~\u002F.hermes_prod\u002Fcron\u002Fjobs.json` has `deliver: local`\n\n**Fix layers (defense-in-depth):**\n1. **Prompt guard** — cron prompts SHOULD repeat the channel + thread in plain text near the top of the prompt (already done for `babysit-wa-2366-rev-5deak`) AND instruct the LLM explicitly: \"every Slack post MUST use `target=slack:C0AH3RY3DK6:1781477039.080969` form, not the bare channel form.\" The CONTEXT-DRIFT GUARD header pattern is the template.\n2. **Detector** — `scripts\u002Fslack_5b_leak_detector.sh detect_5e_local_deliver_leaks` scans each `deliver: local` job channel history, applies the signature above, and emits `5E-ALERT ts=\u003Cts> channel=\u003CC> job=\u003Cname> matched_id=\u003Cid> preview=\u003Ctext>` lines. Hooked into the combined `detect_all_leaks` runner so a single cron invocation catches both 5b and 5e.\n3. **Gateway enforcement** — `send_message_tool.py` (already fixed by PR #29 for 5a) should also reject 3-part targets whose `thread_ts` segment equals `0` or is empty when the calling session has a stored `origin_thread_ts` (deferred; tracked as `$USER-5e-enforce`).\n\n**Escape hatch:** cron jobs that *want* to opt out (e.g., LLM is supposed to start a fresh daily-thread anchor post) can set `\"disable_5e_detect\": true` in `jobs.json`. This mirrors the per-job override pattern used by other safety nets.\n\n**Test coverage:** `tests\u002Ftest_slack_5e_local_deliver_leak.sh` — 4 cases:\n- (A) function defined\n- (B) 3 leak ts detected, threaded reply + human + non-matching cron-name ignored\n- (C) dedup — second run on same state file exits 0\n- (D) `disable_5e_detect: true` escape hatch honored\n\n**Sibling to:** Failure 5 (wrong `thread_ts` from session context header — agent pulls stale thread from the prompt), 5b (MCP-direct Claude Code posts bypass gateway), 5c (intentional first-of-day daily-anchor is by design channel-root), 5d (cron LLM content drift — right channel\u002Fthread, wrong PR). 5e is distinct: right content, wrong routing layer (cron job path), post lands at channel root because `deliver: local` lets the LLM pick the post shape.\n\n**Defense-in-depth gaps remaining:** (i) the gateway Path C tool does not auto-inject the cron job `thread_ts` when `deliver: local` is detected — would require a new `origin_thread_ts` runtime context, tracked separately; (ii) no automated re-thread on alert — operator must manually `chat.update` to set `thread_ts` on the orphan post; (iii) detector reads `jobs.json` from disk per run, so a job that runs >once\u002F2h can miss leaks if the operator rotates `jobs.json` mid-window (acceptable for the cron cadence in use today).\n\n### Failure 5f — cross-workspace bot-token hard-block, recovery stalls with no posted reply (canonical bug, 2026-06-25, ts 1782317177)\n\n**Symptom:** a session correctly diagnoses Failure 5 (or any of 5a-5e) and prepares a recovery Slack reply, but Path A \u002F Path B \u002F Path C \u002F `mcp__slack__conversations_add_message` ALL fail with `error: missing_scope` or `error: not_in_channel` because the bot token is scoped to the bot HOME workspace (e.g. `T09FXQ4LCQP` Your Project workspace) and the channel lives in a DIFFERENT workspace. The agent then runs out of iteration budget and reports \"iteration budget exhausted (60\u002F60) — asking model to summarise\" with NO posted reply, leaving the user with zero recovery output. Observed instance: 2026-06-25 in `C0AH3RY3DK6`, recovery attempts at `1782317095.215819` (\"Now I will post this analysis...\") and `1782317177.654589` (\"Cross-workspace bot-token hard-block — sub-class 5f per the slack-misroute-detector skill\"). Both stalled.\n\n**Root cause:** Slack bot tokens (`xoxb-...`) are scoped to the bot installation workspace. A bot installed in workspace A cannot post to a channel in workspace B even with the correct `channel_id` + `thread_ts`. The gateway Path A\u002FB\u002FC paths all use the bot token, so they all fail identically. User tokens (`xoxp-...`) cross workspace boundaries (when the user is a member of both workspaces) — but the typical agent runtime has only the bot token in env, not the user token.\n\n**Mitigation — the XOX-P user-token fallback:**\n1. **Detect sub-class 5f** — symptom: `chat.postMessage` returns `{\"ok\":false,\"error\":\"missing_scope\"}` or `{\"ok\":false,\"error\":\"not_in_channel\"}` AND `team` in the error response differs from the bot home `team`. The agent should report \"cross-workspace bot-token hard-block (sub-class 5f)\" and proceed to step 2 immediately — NOT stall on the error.\n2. **Source the XOX-P user token from `~\u002F.bashrc`** — see the Token-name pitfall below for the canonical extraction command. Do NOT trust a sibling `~\u002F.bashrc` export that has been overwritten by `.profile` — see memory `bashrc-profile-xapp-drift-blocks-launchd` (2026-06-18) for the failure mode where rotating `OPENCLAW_SLACK_APP_TOKEN` requires updating BOTH files.\n3. **Post via curl with the user token:**\n   ```bash\n   TOKEN=\"$(grep -h '^export SLACK_MCP_XOXP_TOKEN=' ~\u002F.bashrc 2>\u002Fdev\u002Fnull | head -1 | sed 's\u002F^export SLACK_MCP_XOXP_TOKEN=\u002F\u002F; s\u002F^\"\u002F\u002F; s\u002F\"$\u002F\u002F')\"\n   [[ -z \"$TOKEN\" ]] && { echo \"ERROR: SLACK_MCP_XOXP_TOKEN empty\"; exit 1; }\n   curl -fsS -X POST \"https:\u002F\u002Fslack.com\u002Fapi\u002Fchat.postMessage\" \\\n     -H \"Authorization: Bearer $TOKEN\" \\\n     -H \"Content-Type: application\u002Fjson\" \\\n     -d '{\"channel\":\"\u003Cchan>\",\"thread_ts\":\"\u003Ccorrect_ts>\",\"text\":\"\u003Creply>\"}'\n   ```\n4. **Identity disclosure in post body** — the reply will appear as posted by `$USER` (or whichever user), not the hermes bot. Include a brief disclaimer in the post body if the identity switch might confuse the reader: *\"(posted via $USER identity due to cross-workspace bot-token hard-block; the analysis below is from the hermes agent)\"*.\n5. **Verify via `conversations_replies`** — the new MsgID must have `ThreadTs == \u003Ccorrect_ts>` AND `UserID == U09GH5BR3QU` ($USER), not a bot ID.\n6. **Do NOT stall** — the SOUL.md `push-pr-donot-stop-halfway` COMMIT (shipped 2026-06-23) and the `slack-cross-workspace-fallback-xoxp` COMMIT (shipped 2026-06-25 in the same PR as this skill update) are the operational guardrails. An incomplete reply posted at the correct thread beats a complete analysis that the user never sees because the agent ran out of iteration budget.\n\n**Distinct from 5e:** 5e is `deliver: local` cron narration landing at channel root (right content, wrong post shape). 5f is the recovery path being blocked entirely (no post at all because all bot-token paths fail). 5f is the \"iteration budget exhausted with no posted reply\" failure mode; 5e is the \"posted but at wrong location\" failure mode.\n\n### Failure 6 — Slack attachment referenced in message but no tool to fetch the file content (canonical bug, 2026-07-26, ts 1785057454)\n\n**Symptom:** a user Slack message contains a file attachment — `FileCount=1`, `AttachmentIDs=[F0xxxxxxxxx]`, `HasMedia=true` in the `conversations_replies` \u002F `conversations_history` row. The user asks the agent to \"continue\" \u002F \"review\" \u002F \"implement\" \u002F \"address\" the attachment contents. The agent has no `files_download`, `files.info`, or `files_get` tool in its runtime, and the local Slack attachments cache (`~\u002FLibrary\u002FContainers\u002Fcom.tinyspeck.slackmacgap\u002F...`) is either empty, inaccessible, or sits inside a TCC-protected subdirectory that the agent's terminal cannot reach. The agent is supposed to act on content it cannot read.\n\n**Root cause:** the Slack MCP server registers a small read-only tool surface (`channels_list`, `conversations_history`, `conversations_replies`, `conversations_mark`, `users_search`, `usergroups_*`, `list_resources`, `read_resource`) — none of those expose `files.info` \u002F `files.get` \u002F `files_download`. The agent has read access to the metadata (filename, size, url_private) via the message row, but **not** to the file bytes. The local macOS Slack app caches attachments in a sandboxed container that the agent cannot traverse (filesystem timeouts on `ls` against the container are the canonical signature). The fallback `bot token + curl https:\u002F\u002Fslack.com\u002Fapi\u002Ffiles.info` requires `files:read` scope on the bot token AND an HTTP-reachable network — neither is guaranteed in scope.\n\n**Three observed failure shapes (all hit 2026-07-26 in `C0AH3RY3DK6\u002F1785057454.672319`):**\n- **6a — local cache absent.** `~\u002FLibrary\u002FApplication Support\u002FSlack\u002Fattachments\u002F` does not exist; the Slack app has either not downloaded the attachment, downloaded it to a sandboxed container the agent cannot see, or auto-deleted it after the upload. Confirmed via `find ~\u002FLibrary -name \"F0xxx\"` returning 0 results.\n- **6b — local cache present but unreadable.** `~\u002FLibrary\u002FContainers\u002Fcom.tinyspeck.slackmacgap\u002FData\u002F...` exists but `ls` against it hangs or returns `Operation not permitted` (TCC sandbox). Even reading the attachment directory is gated.\n- **6c — no token in runtime.** `HERMES_SLACK_BOT_TOKEN` is not in the runtime env, so even the `files.info` API path via curl is blocked. Some sessions have the xoxp token, others don't — never assume.\n\n**Diagnostic (cheap, always run in this order):**\n\n```bash\n# 1) Is the attachment file present anywhere user-readable?\nfind ~\u002FLibrary ~\u002FDownloads ~\u002FDesktop \u002Ftmp -name \"\u003Cattachment_id>\" -o -name \"\u003Cbase_filename>\" 2>\u002Fdev\u002Fnull | head -5\n# Expect 0-1 results; >1 is fine (user may have re-downloaded).\n\n# 2) Is the local Slack attachments cache reachable?\nls -la \"$HOME\u002FLibrary\u002FApplication Support\u002FSlack\u002Fattachments\u002F\" 2>&1 | head -5\n# If \"No such file or directory\" → 6a. If timeout \u002F \"Operation not permitted\" → 6b.\n\n# 3) Is there a bot or user token in env that has files:read scope?\necho \"HERMES_SLACK_BOT_TOKEN: ${HERMES_SLACK_BOT_TOKEN:+PRESENT (${#HERMES_SLACK_BOT_TOKEN} chars)}\"\necho \"SLACK_USER_TOKEN: ${SLACK_USER_TOKEN:+PRESENT (${#SLACK_USER_TOKEN} chars)}\"\necho \"SLACK_MCP_XOXP_TOKEN: ${SLACK_MCP_XOXP_TOKEN:+PRESENT (${#SLACK_MCP_XOXP_TOKEN} chars)}\"\n# If all empty → 6c. The agent is provably blocked.\n```\n\n**Mitigation (the right thing to do):**\n\n1. **STOP. Do NOT guess the attachment contents.** A user message that says \"consider these changes\" \u002F \"review this file\" \u002F \"implement what's in this attachment\" requires the actual content. Inventing content from the subject line and applying it is the canonical \"fabricated completion\" anti-pattern — see `references\u002F2026-07-15-fabrication-class.md` in this skill's library for the class lesson (incident 2026-07-15: agent output a 200-line plan based on a Slack-share title without reading the source).\n2. **Post to the thread ONCE with the diagnostic findings and three unblock options.** The reply body should be a clear \"I cannot read the attachment, here's what I checked, here are three ways to unblock\" — NOT a multi-step investigation that leaks 5+ narration posts (per Failure 4 rules above). The structure that worked in `C0AH3RY3DK6\u002F1785057454.672319`:\n   - **Healthy** — list of mvp_site prompt files that the eventual change will touch (proves the agent has the diff surface mapped when content arrives).\n   - **Blocked** — the specific three checks that failed (cache absent, container unreadable, no token in env).\n   - **Next actions** — three concrete options for the user: paste content inline, re-attach as a different file, or point at a path where a prior session saved the draft.\n3. **Do NOT serially probe all three failure shapes** — that is the Failure 4 leak pattern. ONE `find` + ONE `ls` + ONE `echo` triple-check, then reply. The user has the throughput to debug the cache; the agent does not have the throughput to thrash on the file system.\n4. **When the unblock arrives,** the existing skill content (Failure 5 pre-flight, Path A\u002FB\u002FC post paths) applies unchanged. The attachment is metadata-gated only — once the bytes are in scope, the rest of the Slack post path is the same as any other reply.\n\n**Distinct from Failure 1-5:** Failures 1-5 are about post *routing* (wrong thread, wrong channel, narration leak). Failure 6 is about *input* — the agent has no tool to read the very artifact the user is asking it to act on. The agent's reply shape is different: instead of \"post to the right thread,\" it is \"tell the user I cannot read the file and ask for the content.\" The investigation budget is also tighter (3 checks, not 25) because the failure mode does not depend on the Slack post path at all.\n\n**Future-work note (not in scope 2026-07-26):** adding a `files_download` MCP tool to the Slack MCP server would close Failure 6 at the harness level. The cost is one new tool exposing the existing `files.info` + `files_download` Slack Web API methods, gated by the same `files:read` scope that the bot token already has in most installs. Filed as a followup: agent-orchestrator slack-mcp-server add `files_download` tool. Until then, the agent's only durable mitigation is the STOP + ask path.\n\n**Bug-ref:** 2026-07-26, `C0AH3RY3DK6\u002F1785057454.672319` (\"Consider these changes to add challenge to the game but adapt to the $PROJECT_ROOT\u002F code and prompts, the suggesting agent coudlnt read existing code\"). Message row showed `FileCount=1, AttachmentIDs=F0BKZ4BJYTW, HasMedia=true`. Local cache: directory not present (6a). Token check: not in runtime env (6c). User follow-up \"Continue\" at `1785114900.765049` arrived before the agent could resolve — agent reposted with the three unblock options and stopped. No fabrication; no blind edits to `$PROJECT_ROOT\u002Fprompts\u002F*.md`; no investigation leak beyond the three diagnostic calls. The user's underlying intent (add challenge mechanics to the game prompts) is preserved — the agent has the diff surface mapped (`narrative_system_instruction.md`, `combat_system_instruction.md`, `game_state_mechanics_appendix.md`, `rewards_system_instruction.md`, `leveling_pace_contract.md`, `prompts\u002Fdivine\u002F`, `prompts\u002Fshared\u002F`) and is ready to act when the content arrives.\n\n### Failure 5g — `not_in_channel` for a channel in the bot HOME workspace (canonical bug, 2026-07-16, ts 1784215712)\n\n**Symptom:** `mcp__slack__conversations_add_message(channel_id=\u003CC0xxx>, thread_ts=\u003Cts>, text=...)` returns `{\"error\":\"not_in_channel\"}` even though the channel IS in the bot home workspace (`T09FXQ4LCQP` in the 2026-07-16 instance). Same `not_in_channel` shape as 5f cross-workspace block, but with the same `team` in both error and home workspace — so 5f \"different workspace\" diagnostic does not fire. Distinct root cause: the bot user (`B0BGY53L8N8` hermes, or `B0A450AF9NF` MCP Agent Mail depending on which MCP server the runtime uses) has not been **invited** to the channel, even though the workspace is the right one. Slack bot tokens can read any public channel via `conversations_history`\u002F`conversations_replies` without explicit invitation, but `conversations_add_message` (and `chat.postMessage`) requires the bot to be a member of the channel.\n\n**Diagnostic (5g-specific):** the error response is `{\"ok\":false,\"error\":\"not_in_channel\"}` with the same `team` value as the home workspace — NOT `missing_scope` and NOT `team_access_not_granted` (which would indicate 5f). If you have read access (verified via `conversations_history` returning the message list) but cannot post, you have 5g.\n\n**Mitigation:** the XOX-P user-token fallback from 5f applies verbatim — a user token (`xoxp-...`) is scoped to the user own channel memberships, not the bot, and posts as the human user. The bot `not_in_channel` error does NOT block a user-token post. Path:\n\n1. **Detect 5g** — `conversations_add_message` returns `not_in_channel` with same `team` as home workspace. `conversations_replies`\u002F`conversations_history` STILL WORK (read tools do not require membership). Distinct from 5f (cross-workspace) and from a generic `channel_not_found` (wrong channel ID entirely).\n2. **Source `SLACK_MCP_XOXP_TOKEN`** from `~\u002F.bashrc` per the Token-name pitfall below.\n3. **Post via curl with the user token** (same curl recipe as 5f step 3) — the post will appear as `$USER`, not the hermes bot. Include a brief identity-disclosure line in the post body if the identity switch might confuse readers.\n4. **Verify via `conversations_replies`** — new `MsgID` must have `ThreadTs == \u003Ccorrect_ts>` AND `UserID == U09GH5BR3QU`.\n5. **Do NOT attempt to invite the bot to the channel** — that requires `channels.invite` API scope which the bot token likely lacks. The XOX-P path is the durable mitigation.\n\n**Distinct from 5f:** 5f is the bot token being scoped to a different workspace (different `team`). 5g is the bot token being in the right workspace but not invited to the specific channel (same `team`, missing channel membership). Both block `conversations_add_message`\u002F`chat.postMessage`, and both have the same XOX-P recovery, but the diagnostic is different — verify the `team` field in the error response first.\n\n**Token-name pitfall (verified 2026-07-16; refreshed 2026-07-17 with `~\u002F.profile` source for `SLACK_USER_TOKEN`):** the xoxp token has TWO canonical env vars in this environment, depending on which dotfile you source:\n\n| Variable name | Location | Length | Prefix | Notes |\n|---|---|---|---|---|\n| `SLACK_MCP_XOXP_TOKEN` | `~\u002F.bashrc` line 290 | 80 chars | `[REDACTED_SLACK_TOKEN]` | Originally documented in this skill (2026-07-16) |\n| `SLACK_USER_TOKEN` | `~\u002F.profile` line 4 | 80 chars | `[REDACTED_SLACK_TOKEN]` | The SOUL.md `slack-cross-workspace-fallback-xoxp` COMMIT canonical name |\n\nBoth vars carry the SAME token value (the MCP Agent Mail OAuth user-token). The var named in SOUL.md (`SLACK_USER_TOKEN`) is NOT in `~\u002F.bashrc` — it's in `~\u002F.profile`, which is **not** sourced by `~\u002F.bash_profile` on stock macOS bash. That means the SOUL.md-canonical name only resolves when you explicitly `source ~\u002F.profile`.\n\n**Reliable extraction (in priority order):**\n\n```bash\n# 1) Try .profile first (SOUL.md canonical SLACK_USER_TOKEN)\nTOKEN=$(grep -h '^export SLACK_USER_TOKEN=' ~\u002F.profile 2>\u002Fdev\u002Fnull | head -1 | sed 's\u002F^export SLACK_USER_TOKEN=\u002F\u002F; s\u002F^\"\u002F\u002F; s\u002F\"$\u002F\u002F')\n\n# 2) Fall back to .bashrc (the SLACK_MCP_XOXP_TOKEN variant)\nif [[ -z \"$TOKEN\" ]]; then\n  TOKEN=$(grep -h '^export SLACK_MCP_XOXP_TOKEN=' ~\u002F.bashrc 2>\u002Fdev\u002Fnull | head -1 | sed 's\u002F^export SLACK_MCP_XOXP_TOKEN=\u002F\u002F; s\u002F^\"\u002F\u002F; s\u002F\"$\u002F\u002F')\nfi\n\n# 3) Last-resort broader grep (catches new variants)\nif [[ -z \"$TOKEN\" ]]; then\n  TOKEN=$(grep -hi 'xoxp-' ~\u002F.bashrc ~\u002F.profile ~\u002F.bash_profile ~\u002F.zshrc 2>\u002Fdev\u002Fnull | head -1 | sed 's\u002F^[^=]*SLACK_[A-Z_]*TOKEN=\u002F\u002F; s\u002F^\"\u002F\u002F; s\u002F\"$\u002F\u002F')\nfi\n\n[[ -z \"$TOKEN\" ]] && { echo \"ERROR: no xoxp token found in any dotfile\"; exit 1; }\n```\n\n**The `bash -lc` vs `bash -c` sourcing divergence (verified 2026-07-17, jleechanorg\u002Fjleechanclaw PR #786 babysit cron `59e6e2f5dda0` tick #1):**\n- `bash -lc 'echo $SLACK_USER_TOKEN'` from a direct terminal: WORKS — login shell sources `.bash_profile` → `.bashrc` → `.profile` chain.\n- `bash -lc 'echo $SLACK_USER_TOKEN'` from `subprocess.run(['bash','-lc',...])` in Python: RETURNS EMPTY. Python's subprocess does NOT inherit the login-shell rc-file chain from the parent terminal session — it spawns a fresh non-interactive shell that, even with `-l`, does not pick up the user custom exports from `.profile`.\n- `bash -c 'source ~\u002F.profile; echo $SLACK_USER_TOKEN'` (non-login, explicit `.profile` source): WORKS.\n\nThe durable Python-subprocess recipe is:\n\n```python\nimport subprocess\nproc = subprocess.run(['bash', '-c', 'source ~\u002F.profile 2>\u002Fdev\u002Fnull; printf \"%s\" \"$SLACK_USER_TOKEN\"'], capture_output=True, text=True)\nuser_token = proc.stdout\n```\n\nThis is the documented `bashrc-profile-xapp-drift-blocks-launchd` memory pattern manifesting in the Python `subprocess` runtime — the cron babysit needs the explicit `.profile` source, not a login-shell assumption.\n\nFor the bot token (Path B), the canonical var is `HERMES_SLACK_BOT_TOKEN` (line 958 of `~\u002F.bashrc`). `SLACK_BOT_TOKEN` (line 953) and `SLACK_MCP_XOXB_TOKEN` (line 956) are aliases. **Always verify the var is non-empty before issuing curl** — the cheap pre-flight is the `[[ -z \"$TOKEN\" ]]` guard above. Bug-ref: 2026-07-16, `C0AJQ5M0A0Y\u002F1784215507.433759` (cron backup `?` placeholders diagnostic), where the documented `SLACK_USER_TOKEN` extraction returned length 0 on first attempt and a second `grep -h -i 'SLACK.*TOKEN' ~\u002F.bashrc` was needed to find the real var name. Refreshed 2026-07-17 when a `bash -lc` invocation inside `subprocess.run` returned empty for `SLACK_USER_TOKEN` (the `subprocess` parent is non-interactive, so the login-shell rc-file chain does NOT propagate); explicit `source ~\u002F.profile` was the working fix.\n\n**Bug-ref:** 2026-07-16, channel `C0AJQ5M0A0Y` thread `1784215507.433759` (cron backup `?` placeholders diagnostic). MCP `conversations_add_message` returned `{\"error\":\"not_in_channel\"}` on first attempt; Path B curl with `SLACK_MCP_XOXP_TOKEN` from `~\u002F.bashrc` line 290 succeeded with `ts=1784215712.918349`, `thread_ts=1784215507.433759`, posted as `U09GH5BR3QU` ($USER) via \"MCP Agent Mail\" bot identity. The diagnosis surfaced that the MCP Agent Mail bot (`B0A450AF9NF`) had been invited to the channel at some earlier point but the hermes bot (`B0BGY53L8N8`) had not — hence `conversations_add_message` (hermes bot token) failed but Path B curl with xoxp ($USER identity, scoped to the user own channel memberships) succeeded.\n\n**Implication for future bots:** when wiring a new Slack bot to a workspace, the channel-invitation step for each channel the bot should post in is a separate operational task — the OAuth install flow grants workspace-wide scopes, not per-channel membership. A durable check: after every bot install\u002Freinstall, run `conversations_list_members(channel_id=\u003Ceach_target_channel>)` to verify the bot is in the channel; if not, `channels.invite` (requires the right OAuth scope) or fall back to XOX-P user-token path for that channel until the invite lands.\n\n### Failure 5h — `text must be a string` MCP wrapper shape (canonical bug, 2026-07-26, ts 1785119827)\n\n**Symptom:** `mcp__slack__conversations_add_message(channel_id=\u003CC0xxx>, thread_ts=\u003Cts>, text=\u003Cmarkdown_with_newlines>)` returns `{\"error\":\"text must be a string\"}` even though `text` IS a string in the calling agent's runtime (verified — the call payload contains a single string field with `\\n` newlines and Slack mrkdwn formatting). Same MCP server, same channel, same `thread_ts` that worked on prior calls in the same session. No `missing_scope`, no `not_in_channel`, no `team_access_not_granted` — just `text must be a string` with no `ok` field at all.\n\n**Diagnostic (5h-specific):**\n1. The error has no `ok: false` wrapper and no `team` field. It looks like a wrapper-layer validation error, NOT a Slack API response.\n2. The same payload (same `channel_id`, same `thread_ts`, same `text` content) succeeds via Path B curl with the xoxp token. Verified: 2026-07-26 thread `C0AJQ5M0A0Y\u002F1784906714.446409`, the MCP call returned `{\"error\":\"text must be a string\"}` at the wrapper layer, and the immediately-following Path B curl with `SLACK_USER_TOKEN` from `~\u002F.profile` succeeded with `ts=1785119872.441179`, `ThreadTs=1784906714.446409`.\n3. The error is **deterministic on the MCP path** but **does not reproduce via direct HTTP**. That asymmetry is the diagnostic — the wrapper is rejecting something the Slack Web API accepts.\n\n**Root cause (best guess, verified 2026-07-26):** the `mcp__slack__conversations_add_message` tool in this runtime wraps the text argument in a JSON schema validation step before forwarding to the Slack Web API. The validation appears to either (a) reject multi-line strings with embedded `\\n` characters (the calling agent's `text` field was 3 paragraphs with newlines, which Path B accepted verbatim), (b) reject strings containing certain mrkdwn tokens (`\u003C@USERID>` mentions, code fences with backticks, the `\u003Curl|text>` link shape), or (c) reject strings exceeding some implicit length threshold. The exact trigger was not isolated because switching to Path B was the durable fix — the MCP path is non-load-bearing for this thread.\n\n**Mitigation:** Path B (curl `chat.postMessage` with xoxp or bot token) is the durable mitigation. The MCP wrapper shape is not user-controllable from the agent runtime; the failure cannot be worked around within the MCP tool surface. Path:\n\n1. **Detect 5h** — `mcp__slack__conversations_add_message` returns `{\"error\":\"text must be a string\"}` with no `ok`\u002F`team` fields. Distinct from 5f (cross-workspace, `missing_scope`\u002F`not_in_channel`), 5g (same-workspace, `not_in_channel`), and 5d (token missing, `invalid_auth`). The bare error string is the fingerprint.\n2. **Do NOT retry the MCP call** with shorter\u002Fdifferent `text` content. The wrapper validation is non-deterministic across runs and retrying burns iteration budget without changing the outcome. Switch paths immediately.\n3. **Source the token per the Token-name pitfall below** — `SLACK_USER_TOKEN` (canonical SOUL.md name, lives in `~\u002F.profile` line 4) or `SLACK_MCP_XOXP_TOKEN` (lives in `~\u002F.bashrc` line 290). Both carry the same xoxp value.\n4. **Materialize the JSON via `write_file`** (per the durable pattern in `references\u002F2026-06-14-dropped-thread-followup-instance-13.md`) — the terminal wrapper in some runtimes rejects heredoc-style command bodies with `Foreground command uses '&' backgrounding` errors, so writing to `\u002Ftmp\u002Fslack-reply-\u003Cts>.json` first and using `--data-binary @\u003Cfile>` is the canonical shape.\n5. **Post via curl** with `xoxp-` token:\n   ```bash\n   curl -fsS -X POST \"https:\u002F\u002Fslack.com\u002Fapi\u002Fchat.postMessage\" \\\n     -H \"Authorization: Bearer $SLACK_USER_TOKEN\" \\\n     -H \"Content-Type: application\u002Fjson; charset=utf-8\" \\\n     --data-binary @\u002Ftmp\u002Fslack-reply-\u003Cts>.json\n   ```\n6. **Verify via `conversations_replies`** — new `MsgID` must have `ThreadTs == \u003Ccorrect_ts>` AND `UserID == U09GH5BR3QU` ($USER identity, since xoxp posts as the user).\n7. **Identity disclosure in post body** — the reply appears as `$USER`, not the hermes bot. Include a brief disclaimer in the post body if the identity switch might confuse readers: *\"(posted via $USER identity due to MCP wrapper `text must be a string` error)\"*.\n\n**Distinct from 5f and 5g:** both 5f and 5g are channel\u002Fworkspace membership issues that block all bot-token paths identically. 5h is a runtime wrapper-layer validation error that ONLY blocks the MCP path — the same payload works via direct HTTP curl. The diagnostic is the bare error string and the absence of `ok`\u002F`team` fields; the mitigation is identical (xoxp Path B curl), but the framing of the failure differs (runtime wrapper vs Slack API).\n\n**Why this matters as a class:** the MCP wrapper layer is not under the agent's control and the validation behavior is opaque. Any future agent that hits `{\"error\":\"text must be a string\"}` (or similar bare-error shapes without `ok`\u002F`team`) should treat the MCP path as broken for that payload and switch to Path B without retrying. The retry loop is the trap — the wrapper is deterministic on the same payload, and the agent will burn 5+ tool calls trying different `text` shapes before concluding the wrapper is broken. Path B is reachable in 1 curl call.\n\n**Bug-ref:** 2026-07-26, `C0AJQ5M0A0Y\u002F1784906714.446409` (Cron Backup Slack message catch-up). First reply attempt via `mcp__slack__conversations_add_message(channel_id=\"C0AJQ5M0A0Y\", thread_ts=\"1784906714.446409\", text=\u003C3-paragraph mrkdwn with newlines and `\u003C@U09GH5BR3QU>` mentions>) returned `{\"error\":\"text must be a string\"}`. Second reply attempt with the same payload via Path B curl using `SLACK_USER_TOKEN` from `~\u002F.profile` line 4 succeeded at `ts=1785119827.077019`, `ThreadTs=1784906714.446409`. Identity-disclosure line added in subsequent reply (`ts=1785119872.441179`). The `\u003C@U0AEZC7RX1Q>` Hermes-bot mention was stripped on display in the user's quote because the xoxp user identity cannot resolve the bot user mention the same way a bot-token post does — future alert-tagged posts that need the Hermes bot to wake up should use the bot-token Path B (with `HERMES_SLACK_BOT_TOKEN`) instead of xoxp when the MCP path is broken.\n\n## Durable Post Path (3 paths in priority order)\n\n> **Post-#29 priority (2026-06-14):** the primary path is now **Path C (gateway `send_message` 3-part `target=\"slack:CHAN:thread_ts\"`)** — see the Path C section below. Path A and Path B are **fallbacks** for when the gateway tool is unavailable or a fresh misroute is observed. The \"Path A preferred since 2026-06-09\" note below reflects the pre-#29 era when `send_message` was broken.\n\n### Path A — Slack MCP HTTP-direct (fallback; was preferred 2026-06-09 → pre-#29)\n\n```bash\n# 1) Initialize session, capture Mcp-Session-Id from response header\nSID=$(curl -sS -i -X POST http:\u002F\u002F127.0.0.1:8006\u002Fmcp \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -H \"Accept: application\u002Fjson, text\u002Fevent-stream\" \\\n  -d '{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"initialize\",\"params\":{\"protocolVersion\":\"2024-11-05\",\"capabilities\":{},\"clientInfo\":{\"name\":\"curl\",\"version\":\"0\"}}}' \\\n  | grep -i \"^mcp-session-id:\" | awk '{print $2}' | tr -d '\\r')\n\n# 2) Send notifications\u002Finitialized (HTTP 202 expected, no body)\ncurl -sS -X POST http:\u002F\u002F127.0.0.1:8006\u002Fmcp \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -H \"Accept: application\u002Fjson, text\u002Fevent-stream\" \\\n  -H \"Mcp-Session-Id: $SID\" \\\n  -d '{\"jsonrpc\":\"2.0\",\"method\":\"notifications\u002Finitialized\"}' \\\n  -o \u002Fdev\u002Fnull\n\n# 3) Post the message — INHERIT thread_ts from the incoming message\npython3 -c \"\nimport json\nprint(json.dumps({\n  'jsonrpc':'2.0','id':3,\n  'method':'tools\u002Fcall',\n  'params':{\n    'name':'conversations_add_message',\n    'arguments':{\n      'channel_id':'C0XXXXXXXX',\n      'thread_ts':'1234567890.123456',  # ← INHERIT from incoming, NOT the outgoing post ts\n      'content_type':'text\u002Fplain',      # avoids Block Kit fragmentation\n      'text': '...'\n    }\n  }\n}))\n\" > \u002Ftmp\u002Fpost.json\n\ncurl -sS -X POST http:\u002F\u002F127.0.0.1:8006\u002Fmcp \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -H \"Accept: application\u002Fjson, text\u002Fevent-stream\" \\\n  -H \"Mcp-Session-Id: $SID\" \\\n  --data-binary @\u002Ftmp\u002Fpost.json\n```\n\nThe MCP response returns a CSV header line, NOT the message ID. To confirm the post landed, use `mcp__slack__conversations_replies` and look for the new `MsgID` at the bottom.\n\n**CRITICAL: `thread_ts` must be the INCOMING message `thread_ts`.** If the incoming message has no `thread_ts` (top-level), use the incoming message own `ts`. This is enforced by SOUL rule `COMMIT: slack-reply-inherit-thread-ts`.\n\n### Path B — chat.postMessage with bot token (escape hatch)\n\nWhen the MCP server is down or refusing connections. Use `mrkdwn=False` to get plain text without Block Kit fragmentation:\n\n```bash\ncurl -sS -X POST https:\u002F\u002Fslack.com\u002Fapi\u002Fchat.postMessage \\\n  -H \"Authorization: Bearer $HERMES_SLACK_BOT_TOKEN\" \\\n  -H \"Content-Type: application\u002Fjson; charset=utf-8\" \\\n  -d '{\n    \"channel\":\"C0XXXXXXXX\",\n    \"thread_ts\":\"1234567890.123456\",\n    \"mrkdwn\":false,\n    \"text\":\"...\"\n  }'\n```\n\n`content_type` for the MCP layer accepts both `text\u002Fmarkdown` and `text\u002Fplain` (verified 2026-06-10, despite the schema documented enum of `text\u002Fmarkdown` only). Use `text\u002Fplain` for user-facing posts that contain emoji shortcodes or formatting that fragments in Block Kit — the 2026-06-09 \"formatting broken\" complaint was caused by `text\u002Fmarkdown` going through Block Kit `rich_text` parsing. The `chat.postMessage` fallback with `mrkdwn=False` (Path B) is only needed if you specifically want a real `ts` in the API response (the MCP path returns a CSV header instead).\n\n### Path C — gateway `send_message` 3-part form (PRIMARY since PR #29, 2026-06-14)\n\n**This is now the recommended primary path** for threaded replies. The historical breakage below predates the fix.\n\n- **3-part form** `target=slack:CHAN:thread_ts` — **WORKS as of [PR #29](https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fhermes-agent\u002Fpull\u002F29) (2026-06-14).** The gateway now honors `:thread_ts` and fails loud on mismatch. Use this as the default one-call path. *(Pre-#29 history: silently stripped `:thread_ts` and landed in the home channel — Failure 1, the bug #29 fixed.)*\n- **2-part form** `target=slack:CHAN` (no `:thread_ts`) — still **non-deterministic** for thread inheritance (*sometimes* threads, *sometimes* lands as a top-level orphan). Do not rely on it; always pass the explicit 3-part `:thread_ts`.\n\n**Recommended order:** (1) `send_message` 3-part `target=slack:CHAN:thread_ts` (primary, post-#29), (2) Path A (MCP HTTP-direct), (3) Path B (curl `chat.postMessage` with bot token) — fall to A\u002FB only if the gateway tool is unavailable or you observe a *fresh* misroute. Always verify with `conversations_replies`; if a 3-part post self-roots after #29, treat it as a regression and file it.\n\n**Pre-#29 verification record:** \"broken across 11 instances (2026-06-09 → 2026-06-13)\" — historical, applied before the fix. Retained as the investigation record, not current guidance.\n\n## Verifying a post landed correctly\n\n```python\n# mcp__slack__conversations_replies with the ORIGINAL thread_ts\n# The new message should appear at the bottom with ThreadTs == original thread_ts\n```\n\n**Pass criteria:** new `MsgID` row has `ThreadTs` matching the original thread `thread_ts`.\n\n**Fail criteria:** new `MsgID` row has `ThreadTs` equal to its own `MsgID` (self-rooted) — post-#29 this means either (a) Failure 5 (you posted with a *wrong* `thread_ts` from the session header — run step 0), or (b) a regression of the now-fixed `send_message` path (file a fresh gateway bead+GH issue). Pre-#29 it meant Failure 1 \u002F the gateway thread_ts-drop bug, which PR #29 has since fixed.\n\n## Anti-patterns to avoid\n\n- Do NOT spawn an agent session just to read\u002Fpost Slack. Use Slack MCP tools directly or Path A.\n- Do NOT call `mcp__slack__conversations_add_message` from runtime that does not surface it (Failure 2). The tool call will fail with a \"tool not found\" error; the gateway may then leak scratch while retrying.\n- Do NOT post plain text and then follow up with formatting. Pick `text\u002Fplain` (Path A or B) for the entire thread, or `text\u002Fmarkdown` (Path A only). Mixing causes Block Kit fragmentation.\n- Do NOT issue multiple curl calls separated by `echo \"---\"` or interactive commentary while probing. Each call risks Failure 3.\n- Do NOT trust the gateway `deliver=slack:chat_id` cron format for threaded delivery. Use `deliver=slack:chat_id:thread_ts` instead. The thread_id segment is what carries `thread_ts` into the cron job outgoing post.\n- Do NOT blindly trust `SLACK_USER_TOKEN` as the xoxp variable name OR its location — verified 2026-07-16 the canonical `~\u002F.bashrc` name is `SLACK_MCP_XOXP_TOKEN`; refreshed 2026-07-17 when a cron babysit found `SLACK_USER_TOKEN` IS valid but lives in `~\u002F.profile` (line 4), not `~\u002F.bashrc`. Always `grep -hi 'xoxp-' ~\u002F.bashrc ~\u002F.profile ~\u002F.bash_profile ~\u002F.zshrc` to confirm before extracting.\n\n## Support files\n\n- `scripts\u002Fslack_mcp_post.sh` — copy-pasteable bash script that bakes in the three lessons from this skill: (1) capture SID in one curl call, do not probe, (2) inherit `thread_ts` from the incoming message, (3) the MCP response is a CSV header, not a JSON-RPC result. Use this instead of hand-typing the curl pipeline each time. Args: `\u003Cchannel_id> \u003Cthread_ts> \u003Ctext-file>`. Exit 0 = post accepted by MCP, but you must still verify with `conversations_replies`.\n- `references\u002F2026-06-10-repro-vNU3-pcd-spread-instance-5.md` — 5th confirmed instance of the 3-part form mis-route. Worked example of a 2-part `target=slack:CHAN` recovery (no thread_ts) that happened to work, but with 3-4 leaked meta-reasoning messages as collateral. The 2nd-derivative lesson: do not retry send_message with different target formats once you see the home-channel fallback — switch to curl on the second attempt, not the third.\n- `references\u002F2026-06-10-wa-2289-godmode-l6-instance-4.md` — 4th confirmed instance of the 3-part form mis-route (this session). Worked example of a clean Path B recovery with no scratch-leak. Read this if you want the \"smallest possible clean recovery\" recipe; read `references\u002F2026-06-10-dropped-thread-followup.md` for the more chaotic instances with scratch-leaks.\n- `references\u002F2026-06-13-stale-fix-callback-instance-11.md` — 11th confirmed instance and **first time the user explicitly invoked a prior fix as an expectation of resolution** (\"We should not be replying here I thought we fixed the issue?\"). Documents the recovery recipe (`HERMES_SLACK_BOT_TOKEN` sourced from `~\u002F.bashrc`, not runtime env) and the two micro-lessons embedded: (1) `gh issue create --label` does NOT validate label existence — always `gh label list` first; (2) `br comments add \u003Cid> \"text\"` uses positional args, not `--body`. Read this when the user signals \"I thought this was fixed\" — the next action is **file a bead + GH issue for the gateway patch**, not another workaround.\n- `references\u002F2026-06-13-another-example-instance-12.md` — 12th instance. User sends a Slack link to **the bot own broken orphan** as proof of the bug (Failure 1 + Failure 4 combo). The right reply target is the orphan itself (make it the parent of the answer), NOT a new top-level. Documents the \"two distinct bugs\" disambiguation (PR #27 vs issue #684), the live-verify snippet for `which hermes` → venv → `gateway\u002Frun.py:14681`, and the rule against adding a 12th SOUL rule when the user signals \"I thought we fixed this.\"\n- `references\u002F2026-06-14-dropped-thread-followup-instance-13.md` — 13th instance AND 4th dropped-thread followup write-up. C0AJ3SD5C79 health-guardian false positive, 3rd recurrence of the same alert. Documents the **`launchctl list | grep \u003Clabel>` PID-column unreliability** (the PID slot shows the most-recently-run PID, not \"currently running\" — verified when `launchctl list | grep hermes-watchdog` returned `1372` for `mem-watchdog.sh` instead). The reliable diagnostic is **read the log file directly** (mtime + content) and verify the listening port independently. Also documents the **`write_file`-then-`curl` Path B pattern** as the durable shape when the terminal wrapper rejects heredoc (`Foreground command uses '&' backgrounding` error) — `write_file` to materialize the JSON, then `curl --data-binary @\u003Cfile>`. Read this when investigating a watchdog-related alert via launchd AND when Path B recovery fails on heredoc shape.\n- `references\u002F2026-06-14-wrong-thread-ts-context-instance-15.md` — 15th instance. **Failure 5 (wrong `thread_ts` from session context header)** — the runtime `Source: Slack (group: \u003Cchan>, thread: \u003Cts>)` header pointed at a HERMES-bot prior self-message (`1781394553.470139`) instead of the user actual thread (`1781438429.863329`). Agent posted via Path B curl with the wrong `thread_ts`, got 2 orphans in channel root, recovered by querying `conversations_history` to find the correct thread. Self-correction transparency section was added to the corrected reply in the same message. **Read this before composing any Slack reply**: the pre-flight `conversations_history(channel_id, limit=5)` step is required to derive the correct `thread_ts` from the user most recent message, not from the session context header.\n- `references\u002Ffail-loud-on-absent-echo.md` — **class-level technique**, not a per-instance write-up. The \"ok=True but no echoed field\" silent-success pattern that produced the 10+ AO #684 misroutes is a class of bug that recurs across many APIs (GitHub Issues, Google Calendar, Stripe webhooks, etc.), not just Slack. Documents the fail-loud recipe (verify the response echoes the field you asked to be set, return an error result if not, name both the request and the outcome in the error) and the test shape that catches it. Read this when designing or reviewing any client that calls an external API with an optional \"set field X\" argument — the bug shape is universal.\n- `references\u002F2026-07-23-thinking-trace-leak-failure-4-instance-17.md` — 17th instance of Failure 4 (tool-call narration leak). User asked a real diagnostic question in `C0ALSKLU9KM\u002Fp1784792447.282019` (\"Is AO actually working? Look at slack history and see if these AO dispatches ever finished their work\"). The Hermes session then leaked **16 raw internal-thinking blocks + tool stdout** as separate Slack messages in the thread BEFORE posting the actual structured answer. Specific phrases that leaked verbatim (matching the Failure 4 signature list): *\"I see. Skill views are failing due to a daemon threadpool error. Let me pivot…\"*, *\"OK, now I see the picture clearly…\"*, *\"Now I have the real picture…\"*, *\"Got the picture…\"*, *\"Damn — my session posted a terminal-output message right before the structured reply…\"*. The actual answer landed at `ts 1784843035.200859`; the apology + pointer followed at `ts 1784843093.781899`. **This is the largest single-session thinking-trace leak on record** — the prior worst was 7 narration posts on the 2026-06-11 dropped-thread redrive. **New lesson: every Slack reply in a non-trivial session must compose the entire response body BEFORE the first `send_message` call** — every intermediate tool call between user question and final reply has a non-trivial probability of being broadcast to the user thread, especially when terminal\u002Fpython heredoc output is in the trace. **Read this whenever a session has produced >3 tool calls before the planned Slack reply** — that's the early-warning signal that the next tool result will leak as a Slack message.\n\n## Related skills\n\n- `recurring-job-notifications` — for scheduled launchd\u002Fcron jobs that need to\n  send Gmail + Slack on success AND error. Includes the channel-membership\n  reality table (bot in #life \u002F #all-$USER-ai but NOT in #ai-general),\n  the gog gmail send pattern, the ERR trap-based failure alerts, and three\n  recurring-shell-script bugs (`slack_post_message | tee` swallow,\n  `find -newermt @\u003Cepoch>` BSD silent-fail, `[[ -z \"$X\" ]] && X=0` ERR\n  trap false-positive). Read this skill before wiring notifications onto any\n  new scheduled job.\n- `slack-mcp-mail-bot-reinstall` — re-invite the bot to a channel, fix scope\n  gaps, repair the Slack side of MCP Agent Mail.\n\nWhen the user says \"out of thread\" or \"did you fix the Slack bug?\", there are **two separate failure modes** that look like the same bug. **Do not conflate them.** The merged PR and the open issue are in different repos and address different code paths.\n\n| | Bug A: channel-root leak on context compression | Bug B: `send_message` strips `:thread_ts` from 3-part `target` |\n|---|---|---|\n| **PR\u002Fissue** | `jleechanorg\u002Fhermes-agent#27` MERGED 2026-06-12 (`f4841cc3`) | `jleechanorg\u002Fagent-orchestrator-ts#684` — fixed by `jleechanorg\u002Fhermes-agent#29` MERGED 2026-06-14 (`04f82afa3`) |\n| **Repo** | `jleechanorg\u002Fhermes-agent` (the upstream gateway fork) | fix landed in `jleechanorg\u002Fhermes-agent` (`tools\u002Fsend_message_tool.py`); issue tracked under `agent-orchestrator` |\n| **Symptom** | During a long run, after context compression, the bot `chat.postMessage` lands at channel root (`thread_ts=None`) instead of threading under the user original message | The `send_message` tool `target=slack:CHAN:thread_ts` form silently stripped the `:thread_ts` segment and fell back to either the home channel `C0AJQ5M0A0Y` or top-level orphan in the target channel |\n| **Fix mechanism** | `_status_thread_metadata` now carries the Slack reply-anchor `thread_id` through the queued-follow-up \u002F stream-consumer path (`gateway\u002Frun.py` line 14681 region) | PR #29: `_SLACK_TARGET_RE` widened to capture `:thread_ts`, `_parse_target_ref`\u002F`_send_slack` forward it into the payload, fail-loud on echo mismatch |\n| **Live status** | **IS running** — verify with `grep -n \"_status_thread_metadata\" $HOME\u002Fprojects_other\u002Fhermes-agent\u002Fgateway\u002Frun.py` (5+ hits expected) | **FIXED & deployed** — verify with `grep -n \"_SLACK_TARGET_RE\\|thread_ts\" $HOME\u002Fprojects_other\u002Fhermes-agent\u002Ftools\u002Fsend_message_tool.py`. The 3-part `send_message` form is now the primary path; Path A\u002FB remain as fallbacks |\n\n**When the user asks \"is the Slack out-of-thread bug fixed?\":**\n- If they mean \"during long runs, sometimes the bot reply goes to channel root\" → **YES, PR #27 fixed it. Verify with the grep above before claiming.**\n- If they mean \"the bot reply to my message just went to the wrong place\" → **As of 2026-06-14, PR #29 fixed the `send_message` thread_ts-drop (issue #684). The 3-part `target=slack:CHAN:thread_ts` form now threads correctly.** If you still see a misroute via that form post-#29, it is a *regression* — file a fresh gateway bead+GH issue. (Older notes about `$USER-k5z` \u002F a stale \"can be closed\" comment on #684 are obsolete now that #29 has landed.)\n- If they mean \"the bot posted to a totally unrelated thread \u002F a HERMES-bot self-message\" → that is Failure 5, not issue #684. The fix is the agent pre-flight `conversations_history` step in the Action plan above, not a gateway patch.\n- If unclear: ask which symptom they saw, do not conflate.\n\n## Reply target rule when the user sends a broken post as evidence\n\nWhen the user question includes a Slack link to a *broken bot post* (an orphan with `thread_ts=None` or `thread_ts == ts`), the right reply target is **the broken post itself**, not a new top-level message. Reply with `thread_ts=orphan.ts` via Path B curl so the orphan becomes the parent of the actual diagnosis — the thread is then self-documenting for future Slack searches.\n\n| User question shape | Right reply target | Wrong reply target |\n|---|---|---|\n| *\"Why are replies still going out of thread?\"* + Slack link to broken bot orphan | That orphan (`thread_ts=orphan.ts`) | A new top-level channel message (becomes a 3rd orphan) |\n| *\"You posted in the wrong thread\"* | The intended parent thread (use the `thread_ts` the user is pointing at) | The broken post (adds noise to the wrong conversation) |\n| *\"Why is the bot narration leaking?\"* | The same thread the user is in | A new thread |\n| *\"Status on...\"* (any direct question) | The thread the user is currently in — **verify with `conversations_history(limit=5)` first**, do NOT trust the session context header `thread` field | The thread_ts from the session context header (Failure 5: may be a HERMES-bot prior self-message, a different user question, or a stale thread) |\n\n**When in doubt about the right `thread_ts`:** the `mcp__slack__conversations_history(channel_id=\u003Cchan>, limit=5)` call returns the most recent 5-10 messages in the channel. The user question is the row with `UserName=$USER` (or whoever the human is in this context). Use that row `ThreadTs` (if it is a reply) or its own `Ts` (if top-level) as the reply target. This pre-flight is Failure 5 mitigation and is now required, not optional.\n\n## Patches \u002F known followups\n\n> **Marker — 2026-06-14 21:57Z:** [hermes-agent PR #29](https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fhermes-agent\u002Fpull\u002F29) fixed the `send_message` thread_ts-drop bug (Failure 1). **Every changelog entry below this line dated before 2026-06-14 21:57Z predates that fix** and describes the pre-#29 broken behavior. Read them as the investigation record, not as current guidance — the 3-part `send_message target=\"slack:CHAN:thread_ts\"` form now works. The still-open mode is Failure 5 (wrong `thread_ts` from the session header), which #29 does not address.\n\n- 2026-07-17 (jleechanorg\u002Fjleechanclaw PR #786 babysit cron `59e6e2f5dda0` tick #1, `C0AKYEY48GM\u002F1784256036.015239`): **Failure 5g + `SLACK_USER_TOKEN` in `~\u002F.profile` + Python-subprocess sourcing divergence verified together**. The v2.5.7 babysit cron recipe from `drive-pr-to-green` ran successfully end-to-end on tick #1 — except for the Slack post, which hit 5g on the originating thread (`mcp__slack__conversations_add_message` returned `not_in_channel` for `C0AKYEY48GM`). Path B recovery worked once `SLACK_USER_TOKEN` was sourced from `~\u002F.profile` via explicit `source ~\u002F.profile 2>\u002Fdev\u002Fnull` inside a `subprocess.run(['bash','-c',...])` call. First attempt `bash -lc 'echo $SLACK_USER_TOKEN'` returned length 0 because Python `subprocess.run` does NOT inherit the login-shell rc-file chain from the parent terminal — the parent (hermes-agent gateway) is non-interactive, so the `.bash_profile` → `.bashrc` → `.profile` chain does not propagate. Verified the bot-id-vs-user-id distinction on the resulting post: `ts=1784335981.616639` posted as `U09GH5BR3QU` ($USER), NOT as `B0BGY53L8N8` (hermes bot). Cron left enabled; next tick at 17:50:39 PT. **Combined lesson**: any babysit cron that needs to post its poll-status update to the originating Slack thread from inside `hermes cron run` must follow the xoxp extraction recipe above (`source ~\u002F.profile` inside the Python `subprocess.run` call). The pattern is now: GraphQL `gh pr view` → REST `gh api` (v2.5.5 fallback) → MCP `conversations_add_message` → xoxp curl `chat.postMessage` (this skill's Path B with xoxp). Future babysit cron prompts that include a \"post poll status to thread\" step should bake this 4-tier fallback into the prompt body, not leave the LLM to re-derive it each tick.\n\n- 2026-07-16 (cron backup `?` placeholders diagnostic, `C0AJQ5M0A0Y\u002F1784215507.433759`): **Failure 5g (bot not invited to channel in home workspace) + token-name pitfall**. `mcp__slack__conversations_add_message` returned `not_in_channel` even though channel `C0AJQ5M0A0Y` IS in home workspace `T09FXQ4LCQP` — same error code as 5f but different root cause (bot not invited to channel vs token scoped to different workspace). Initial token extraction `grep SLACK_USER_TOKEN ~\u002F.bashrc` returned length 0 (the var does not exist) — second `grep -h -i 'SLACK.*TOKEN' ~\u002F.bashrc` revealed the real name is `SLACK_MCP_XOXP_TOKEN` (line 290, 80 chars, prefix `[REDACTED_SLACK_TOKEN]`). Curl Path B with extracted token succeeded at `ts=1784215712.918349`, posted as `U09GH5BR3QU` via \"MCP Agent Mail\" bot identity, threaded correctly under `1784215507.433759`. Confirms that `SLACK_USER_TOKEN` (the var named in this skill prior section + SOUL.md `slack-cross-workspace-fallback-xoxp`) is documentation drift — actual variable is `SLACK_MCP_XOXP_TOKEN`. Future agents: always grep `~\u002F.bashrc` for the real var name before extracting; never trust the docs alone.\n- 2026-06-14: **PR #29 merged** — gateway `send_message` honors `:thread_ts` (3-part target) and fails loud on echo mismatch. Failure 1 resolved at code level. This skill updated: STATUS UPDATE banner added, framing\u002Faction-plan\u002FPath C\u002FFailure 1\u002Fverify sections corrected to make the 3-part form the primary path and Path A\u002FB the fallbacks. Failure 5 retained as the remaining open mode.\n- 2026-06-09: SOUL.md gained `COMMIT: slack-reply-inherit-thread-ts`.\n- 2026-06-09: `test_post_via_slack_api_raises_without_token` patched to strip both `HERMES_SLACK_BOT_TOKEN` AND `SLACK_BOT_TOKEN` (the function falls back to the latter).\n- 2026-06-10: Failure 3 (scratch-leak during probing) added after 5 bot-debug lines leaked into the broken sibling thread before the durable path was found.\n- 2026-06-10: Skill restored to staging `~\u002F.hermes\u002Fskills\u002Fdevops\u002F...` (was previously prod-only). Deploy via `~\u002F.hermes\u002Fscripts\u002Fdeploy.sh --system hermes` if you change it again.\n- 2026-06-11: Re-audit caught the 2026-06-10 staging-copy claim was a lie. The skill was prod-only at 04:50 PT. Copied with `cp -R ~\u002F.hermes_prod\u002Fskills\u002Fdevops\u002Fslack-thread-routing-investigation ~\u002F.hermes\u002Fskills\u002Fdevops\u002F` and verified the staging tree exists. Lesson: re-run `ls ~\u002F.hermes\u002Fskills\u002Fdevops\u002F\u003Cname>` in the same turn as the \"staging is present\" claim, never trust a prior turn word. Pair this with the \"claim without re-verification\" anti-pattern in `skills\u002Fskillify\u002FSKILL.md` lines 180-196.\n- 2026-06-11: `_learn\u002Fslack-mcp-routing-loop-2026-06-09-to-2026-06-11.md` written. 7 lessons captured, 6 durable artifacts verified in same turn, 3 open followups (PR 7397 A\u002FB\u002FC, harness-gap bead, cron config blocker).\n- 2026-06-10: `scripts\u002Fslack_mcp_post.sh` added so future agents do not re-discover the scratch-leak path by hand-typing curl pipelines.\n- 2026-06-10 (jleechanclaw dropped-thread followup, `C09GRLXF9GR\u002F1781036022.101969`, AIPulse install): `target=slack:C09GRLXF9GR:1781036022.101969` again silently stripped to home `C0AJQ5M0A0Y` as a top-level message. Tool result said `\"chat_id\":\"C0AJQ5M0A0Y\"`. This is the **third** confirmed instance across two distinct user channels (C0AH3RY3DK6 and C09GRLXF9GR) — the strip is universal, not channel-specific. The one-shot curl recovery worked: write JSON via heredoc to `\u002Ftmp\u002Fslack-reply.json`, `curl --data-binary @\u002Ftmp\u002Fslack-reply.json` to `chat.postMessage` with explicit `channel` + `thread_ts`, then `conversations_replies` to verify. **When the mis-route is caught on the FIRST send_message call (no preceding scratch-leak yet), the curl recovery is 1 post + 1 verify, no delete needed** — do not over-apply the 3-step recovery from the slack-messaging skill if there is only one duplicate. The skill full recovery recipe (post + delete duplicates) is for when multiple `send_message` calls already polluted the thread.\n- Open: a harness gap bead should be filed for Failure 2 — `conversations_add_message` should be surfaced to the agent runtime like the read-only tools are.\n- Open: this skill overlaps with `devops\u002Fslack-messaging` (which covers the MCP HTTP transport as Method 3 and the `send_message` self-rooting pitfall). Future curator pass should consolidate — the `slack-thread-routing-investigation` framing of \"three failure modes + three post paths\" is the more durable abstraction; `slack-messaging` is the broader \"all the ways to post to Slack\" reference.\n- 2026-06-10 (wa-2289 godmode-l6 dispatch ack, `C09GRLXF9GR\u002F1781139255.231799`): 4th confirmed instance of `target=slack:CHAN:THREAD_TS` falling back to home `C0AJQ5M0A0Y`. Recovery was the canonical Path B curl recipe in 1 post + 1 `chat.delete` (no preceding scratch-leak because it was the first `send_message` attempt, not a probe). Curl landed in-thread with explicit `channel`+`thread_ts`, verified via `conversations_replies`. The 3-part form mis-route is now confirmed universal across C0AH3RY3DK6, C09GRLXF9GR, and the `C0AJQ5M0A0Y` home fallback — it is the gateway default behavior, not a per-channel quirk. Micro-lesson for future agents: even with this skill loaded, the 3-part form is what most agents reach for first because it matches the cron `deliver` syntax — \"always verify post landed in the right thread\" is now load-bearing, not optional. Worked example at `references\u002F2026-06-10-wa-2289-godmode-l6-instance-4.md`.\n- 2026-06-10 (\u002Frepro vNU3AAXHd9N7adqWSM2p PCD-schema-spread, `C0AH3RY3DK6\u002F1781159702.086799`): 5th confirmed instance. Reached for `target=slack:C0AH3RY3DK6:1781159702.086799` first (matches cron `deliver` syntax). Tool result said `chat_id=C0AJQ5M0A0Y` (home), `mirrored=true`. Reissued as `target=slack:C0AH3RY3DK6` (2-part, no `:thread_ts`) — landed in-thread correctly (verified via `conversations_replies`, the real answer is at `1781160794.071969` with `ThreadTs=1781159702.086799`). **But the 2-part form also leaked 3-4 meta-reasoning messages into the thread first** (\"send_message is defaulting to home channel\", \"let me try without the colon format\"). The lesson compounds: **(1) 2-part `target=slack:CHAN` is the working pattern**, **(2) once the mis-route is caught on the FIRST send_message call (no preceding scratch-leak from MCP probing), the curl recovery is the canonical 1 post + 1 verify — do NOT issue additional `send_message` calls trying different `target` formats to \"fix\" it, because each one adds another message to the thread**. The recovery is **stop calling send_message, switch to Path A or B curl, post once, verify**. The 2-part form worked, but only because the user is tolerant of the meta-noise interleaved with the answer. Future agents: when you see the home-channel fallback happen, your next action is **Path A curl**, not another `send_message` with a different target.\n- 2026-06-12 (issue #7493 freeform-finish-flags, `C0AH3RY3DK6\u002F1781245531.199269`): **8th confirmed instance** of Failure 4. Routine ack: file issue, dispatch AO, set 5-min progress cron, reply in thread. Tool sequence was ~10 calls (audit in-flight state, file GH issue, write bead, commit+push bead, stash unrelated WIP, rebase, push, prepare worktree, spawn AO, set cron, reply). The \"Progress cron is set\" + 2 prior \"Wait I made an error\" \u002F \"Actually re-reading\" narration posts leaked into the thread before the final structured reply. Recovery: one raw HTTP `chat.postMessage` via curl with `HERMES_SLACK_BOT_TOKEN`, JSON body with explicit `channel`+`thread_ts`+`text`, verified at `ts 1781289126.597899` with correct `ThreadTs`. Lesson: the \"compose entire reply before first send_message\" rule is necessary but not sufficient — if the prior investigation requires >5 tool calls, the runtime has already emitted narration text blocks that the gateway will serialize. The Path A\u002FB raw HTTP recovery should be the **first** post, not the last resort, whenever the investigation has been non-trivial. Added the \"Action plan (the only durable cure)\" section to the top of this skill to encode this directly.\n- 2026-06-12 (issue #7493): also caught the **PR #7357 open-but-not-merged trap** — the user said \"Thought this was fixed?\" referring to PR #7357 (branch `fix\u002Flevel-up-in-progress-clear-2026-06-08`, opened 2026-06-08, 4 days stale, never merged). The redrive checklist in the `\u002Frepro` skill caught it: pre-existing PR + branch + open issue ≠ merged fix. Routed to a fresh two-track plan (one PR for prompt, one AO spawn for fastembed) instead of pretending the open PR was live. See `repro` skill redrive section.\n- 2026-06-11 (\u002Frepro YvboJzmcrLs61gWViILT dropped-thread redrive, `C0AH3RY3DK6\u002F1781050052.553639`): 6th confirmed instance + **new Failure 4 (tool-call narration leak)** documented. The investigation itself went smoothly — pre-flight caught the existing issue #7417, branch, worktree, bead. But the runtime leaked 7 narration posts (ts 1781210775\u002F792\u002F813\u002F834\u002F866\u002F944\u002F958\u002F986\u002F996) and 2 home-channel top-level posts (ts 1781210904.095429 \u002F .120849) into the same thread over a single dropped-thread reply. Pattern: the runtime emits text between tool calls, the gateway serializes each text block as a separate `chat.postMessage`, and the final `send_message` \"wins\" but the 5-7 preceding narration posts are siblings in the same thread. Confirmed as a distinct failure mode (correctly threaded, just too many of them). Documented as Failure 4 above. **Practical lesson: the runtime should compose the entire final reply BEFORE the first `send_message` call, and verification via `conversations_replies` should be the LAST action of the turn** — every intermediate step (re-reading the issue, checking the worktree, etc.) after the first `send_message` risks another narration leak. Verified: 1 final reply + 1 verify = 2 new posts in the thread, which is acceptable; 1 final reply + N intermediate tool calls = N+1 new posts, which is what we saw here.\n- 2026-06-13 (`\u002Fclaw` ack for PR #7198 retention, `C0AH3RY3DK6\u002F1781329372.566149`): **9th confirmed instance** of the mis-route + a refinement of Path C. I reached for `send_message target=slack:C0AH3RY3DK6` (2-part, no `:thread_ts`) thinking the documented \"2-part form threads correctly but leaks narration\" caveat was the only tradeoff. Result: a **clean 1-post** reply that landed as a **top-level orphan** (`ThreadTs` empty), not in-thread. The skill prior 2026-06-10 vNU3 entry said the 2-part form \"happened to work\" for that instance — turns out that is not reliable across runs. The honest summary of `send_message` Slack path is now: **NEVER trust it for threaded delivery**. Both 3-part (`slack:CHAN:thread_ts`) and 2-part (`slack:CHAN`) forms can land top-level. Always verify with `conversations_replies` immediately after, and if `ThreadTs` is empty, delete via `chat.delete` and repost via Path A (MCP HTTP) or Path B (curl `chat.postMessage`). Recovery recipe worked: `chat.delete` on the orphan (got `ok:true`), then curl `chat.postMessage` with `channel`+`thread_ts`+`text` in JSON, verified `ThreadTs=1781329372.566149` on the new ts `1781329576.659109`. Net cost: 1 orphan + 1 delete + 1 in-thread post = 2 Slack writes, no narration leak because I composed the entire reply in the heredoc before the curl call. Updated the Path C section to read \"DO NOT USE for threaded replies — both forms can land top-level\" instead of the prior \"use only for top-level channel messages\".\n- 2026-06-13 (User callback \"we thought we fixed this?\", `C0AJQ5M0A0Y\u002F1781384270.728329`): **11th confirmed instance** + **first user signal that the agent-side mitigation is insufficient**. A deep review of a private architecture-review doc was posted via `send_message` to `C0AJQ5M0A0Y` as a self-rooted top-level orphan (TS `1781384270.728329`, `ThreadTs == MsgID`) instead of threading under the user architecture-review conversation. User replied: *\"We should not be replying here I thought we fixed the issue?\"* That phrasing is the **canonical \"the workaround has stopped feeling like a fix\" signal** — it means the user remembers the prior patch (the 2026-06-09 SOUL rule) and expects the next instance to not recur. The right response is **not** to apologize and reach for Path A\u002FB silently; it is to (1) acknowledge the gateway-bug framing, (2) recover the current session via Path B, then (3) **file a bead + GH issue for the gateway patch**. Recovery worked: curl `chat.postMessage` with `HERMES_SLACK_BOT_TOKEN` sourced from `~\u002F.bashrc` (NOT in runtime env, must `bash -c 'source ~\u002F.bashrc && echo $HERMES_SLACK_BOT_TOKEN'` first), JSON body with explicit `channel`+`thread_ts`+`mrkdwn:false`+`text`, verified at `ts 1781384946.008329` with `ThreadTs=1781384270.728329` (correctly threaded). 3 narration siblings leaked (TS `1781384926\u002F934\u002F945`) before the final reply — gray-zone count per the \"1-2 acceptable, 5+ post cleanup\" rule. Bead `$USER-88x` filed in a private project `.beads`; GH issue https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fagent-orchestrator-ts\u002Fissues\u002F684 filed against the gateway owner with labels=[bug, P2, fragility-fix]. The agent-side SOUL rule is now joined by a real **gateway-side** fix request. The lesson: when a user says \"I thought we fixed this?\", the next action is **file the durable fix for the underlying bug, do not add another workaround**. See `references\u002F2026-06-13-stale-fix-callback-instance-11.md` for the full transcript and the `gh label list` discovery (the agent-orchestrator repo does NOT have a `gateway` or `slack` label — only `bug`, `P0\u002FP1\u002FP2`, `fragility-fix`, `documentation`, `enhancement`, etc.; always `gh label list \u003Crepo>` before `--label` in `gh issue create`).\n\n- 2026-06-13 (PR #7480 bring-to-green dispatch ack, `C0B9W8D609M\u002F1781338930.938689`): **10th confirmed instance** of the 3-part `target=slack:CHAN:thread_ts` form mis-routing to the home channel `C0AJQ5M0A0Y` as a top-level message. The `send_message` action tool result said `chat_id=C0AJQ5M0A0Y` and `mirrored=true` — same signature as the prior 9 instances. Recovery was a textbook Path B: compose the entire dispatch-ack reply in a heredoc, write to a shell variable, then a single `curl -sS -X POST https:\u002F\u002Fslack.com\u002Fapi\u002Fchat.postMessage` with `channel`+`thread_ts`+`text` in JSON, verified via `conversations_replies` at `ts 1781339404.172619` with `ThreadTs=1781338930.938689` (correctly threaded). The 10-instance milestone reinforces the \"Path A or B, never send_message\" rule. **Worth noting**: the gateway `send_message` Slack path was reused for the dispatch ack because the Slack MCP server at `127.0.0.1:8006` only surfaces read tools (`conversations_history`, `conversations_replies`, etc.) — Path A (MCP HTTP-direct to `conversations_add_message`) was not directly callable from the runtime. The fallback ladder in order is: (1) MCP HTTP-direct (Path A, when the tool is registered server-side even if not surfaced), (2) curl `chat.postMessage` with bot token (Path B, universal), (3) **never** `send_message` for threaded delivery (Path C, broken).\n- 2026-06-12 (dropped-thread followup on `C09GRLXF9GR\u002F1781118730.141049` \"ai.hermes.gateway plist not running\"): **7th confirmed instance** of Failure 4 — a routine dropped-thread re-nudge on a previously-diagnosed false-positive alert produced **~10 narration posts** in the thread before the curl `chat.postMessage` recovery finally landed at `ts 1781267746.443309`. The pattern is the same as the prior 5 instances, but the alert was special in two ways: (a) **it was the 4th dropped-thread followup of the SAME alert** (2026-06-10 x2, 2026-06-11 x1, 2026-06-12 x1) — each prior session re-diagnosed the false positive, re-presented a 3-option menu, and the user never picked; the thread accumulated new dropped-thread pings because nothing advanced; (b) **the investigation crossed into a third hosting platform** — Slack MCP `conversations_replies` (read), `terminal` (state probe), and `chat.postMessage` (final write) all fired in the same turn, each adding 1-3 narration leaks between tool calls. The new lesson is the **\"advance state on Nth recurrence\" rule**: when the SAME dropped-thread has been re-investigated 3+ times and the diagnosis is identical every time, do NOT re-diagnose. Load the prior session_search result, confirm the diagnosis, and go straight to a **single yes\u002Fno decision** with the recommended fix as the default. The 3-option menu is the trap; the user already did not pick it 3 times. A 1-line \"is the alert source external or local?\" decision (with a clear default + proof) is the move that advances state. Verified recovery at `ts 1781267746.443309` — final reply landed correctly in-thread, but the 10 preceding narration siblings are visible to the user. The narration-leak prevention in this case is **investigation shape**, not routing shape: the entire investigation could have been 1 `session_search` + 1 `curl` post + 1 verify = 3 tool calls, not the ~15 that actually ran.\n- 2026-06-13 (User callback \"is this issue fixed yet?\", `C0AKYEY48GM\u002F1781352534971159`): **\"fix is merged, but is it live?\" session** — the question that triggered `~\u002F.hermes_prod\u002Fskills\u002Fhermes-deploy-pipeline\u002Freferences\u002Ffind-actually-running-source.md` to be written. The user pointed at PR #27 (`f4841cc3` in `jleechanorg\u002Fhermes-agent` main) and asked \"is this fixed yet?\" Following the umbrella `hermes-deploy-pipeline` skill \"write to `~\u002F.hermes\u002F`\" rule would have been **wrong** — the live gateway is the pip-installed editable package at `~\u002Fprojects_other\u002Fhermes-agent\u002F`, not the `~\u002F.hermes\u002F` git checkout. The 5-step probe (`which hermes` → `ps aux` → `pip3 show` → `git log` in installed source → `git diff` against upstream PR) showed the local source HEAD `42aff5b47` is a squashed-but-content-identical version of upstream `f4841cc3` (empty `git diff` on the two fix files). The \"deploy\" was a no-op — the fix had been live for some time. The user then said \"Deploy it and continue original requested work,\" which surfaced a **second** non-obvious finding: the post-#7525 rebase+push plan for #7518 and #7480 was already partly stale (#7480 merged before #7525; #7518 in a half-finished cherry-pick state with `roadmap\u002FREADME.md` conflicts and a `$PROJECT_ROOT\u002Ftests` change staged that gate-6 regex matches). Subagent delegate_task was used to advance the rebase+push lane in parallel while the deploy ran inline — per the \"parallel: keep research subagents running\" preference. New lesson: **never assume a single \"deploy\" command is enough**; the \"what is live\" probe must be run before any deploy claim, and the staging\u002Fprod assumptions in this skill were wrong for Hermes Agent core code. See `~\u002F.hermes_prod\u002Fskills\u002Fhermes-deploy-pipeline\u002Freferences\u002Ffind-actually-running-source.md` for the full probe recipe.\n- 2026-06-13 (PR #7524 bring-to-green dispatch ack, `C0AH3RY3DK6\u002F1781394564.558259`): one of the 3-part `target=slack:CHAN:thread_ts` mis-route instances in the wa-2346\u002FPR-7524 dispatch. Recovery was textbook Path B with `HERMES_SLACK_BOT_TOKEN` sourced from `~\u002F.bashrc`. Full 12th-instance write-up with the \"user sends broken bot orphan as proof\" framing lives at `references\u002F2026-06-13-another-example-instance-12.md` — read THAT, not this paragraph, for the lessons. The single-sentence summary here is just to preserve the ts+channel so the file is searchable.\n- 2026-07-23 (AO Progress Report daily thread, `C0ALSKLU9KM\u002F1784792447.282019`): **17th confirmed instance of Failure 4** AND the largest single-session thinking-trace leak on record. User asked a real diagnostic question (\"Is AO actually working?\" + \"AO workers never report back\"). The Hermes session ran ~25 tool calls before composing the final reply, leaking 16 raw internal-thinking blocks + tool stdout as separate Slack messages in the thread (`ts 1784842162` through `1784843052`). The structured answer landed at `ts 1784843035.200859`; apology + cleanup pointer at `ts 1784843093.781899`. Phrases leaked verbatim (matching the Failure 4 signature list): \"Now I have the real picture…\", \"Let me check the GitHub check state…\", \"Damn — my session posted a terminal-output message right before the structured reply…\". Beads filed: `orch-13e6` (Slack bridge leaks thinking\u002Fstdout), `orch-1oli` (MCP Mail \"AO Progress Report\" fabricates `wa-NNNN` IDs). **New heuristic**: if the session has produced >3 tool calls before the planned Slack reply, treat the next tool result as likely to leak as a Slack message — corrective action is to STOP the investigation, dispatch remaining research via `delegate_task` subagents (results don't bubble to Slack), and compose the reply only after all subagents return. Full transcript + corrective shape at `references\u002F2026-07-23-thinking-trace-leak-failure-4-instance-17.md`.\n\n- 2026-06-14 (`C0AH3RY3DK6\u002F1781291497.121039` \"double check the report in this email is it realistic\"): **14th confirmed instance** of the 3-part `target=slack:CHAN:thread_ts` mis-route. A 2-day-old dropped-thread followup asked for a cost-report verification on the email referenced in the original Slack attachment. The recovery followed the \"deliver the analysis in the response body, accept the home-channel post as collateral\" pattern: full verdict posted in the response text (visible to the user inline), `send_message target=slack:C0AH3RY3DK6:1781291497.121039` fell back to home channel `C0AJQ5M0A0Y` per the universal mis-route, the home-channel post at `1781460944.844719` is acceptable because (a) the user reads the verdict in the response, not in the Slack thread, and (b) the original thread cost report remains the source of truth. **The new lesson for 14th instance**: when the dropped thread is a \"verify an artifact\" question and the agent analysis can stand on its own in the response body, the home-channel-fallback is acceptable collateral — the user is more likely to find the analysis by re-reading the response than by re-reading the thread. Switch to Path A\u002FB curl only when the thread *itself* is the user-facing surface (e.g. a status update that other agents will read later). Documented in `dropped-messages` → \"double check the report in this email is it realistic\" as the canonical recovery shape for this class of followup.\n- 2026-06-14 (user callback \"Status on our of thread replies\", `C0AH3RY3DK6\u002F1781438429.863329`): **15th confirmed instance** AND **a new failure mode**: not the gateway stripping `:thread_ts` from a 3-part `target`, but the **runtime session context header itself was wrong** (`Source: Slack (group: C0AJ3SD5C79, thread: 1781394553.470139)`) — that `thread_ts` was a HERMES-bot prior status post in the same channel, not the user actual thread. Posted via Path B curl with the wrong `thread_ts`, got 2 orphans at `1781471131.418559` + `.439599` in channel root, recovered by querying `conversations_history` to find the correct thread (`1781438429.863329`) and re-posting the same content. Self-correction transparency section was added to the corrected reply (not a separate apology message) so the user reads one message with both the analysis AND the explanation. **The new rule is now**: pre-flight `conversations_history(channel_id, limit=5)` is **required** before composing any Path B JSON — the `thread_ts` argument must be derived from the actual user message ts, not trusted from the session context header. The header is a hint, not authoritative. Full write-up at `references\u002F2026-06-14-wrong-thread-ts-context-instance-15.md`. Implication: even a perfect Path B recovery can produce orphans if the `thread_ts` argument is wrong; the bug is in the session-routing layer that injects the thread context into the prompt, not in the gateway Slack post path. Layered with the 14 prior `send_message` misroutes, the total number of distinct failure modes in this bug family is now **5**: (1) 3-part form strip, (2) 2-part form top-level orphan, (3) tool-call narration leak, (4) wrong-`thread_ts` from session context, plus the pre-existing (5) runtime tool-surface gap. All five are now documented in the SKILL.md body under their own sections (Failure 1-5) and the pre-flight `conversations_history` step is Step 0 in the Action plan.\n\n- 2026-06-15 (PR #7397 bring-to-green dispatch, `C0AH3RY3DK6\u002F1781554558.133389`): **16th confirmed instance** of `target=slack:C0AH3RY3DK6:\u003Cthread_ts>` mis-route. The gateway `send_message` action returned the canonical misroute error: `Slack honored chat.postMessage with ok: True but threaded the reply under a different parent (target attempted: slack:C0AH3RY3DK6:1781555895.458679; actual thread_ts: 1781554558.133389; channel: C0AH3RY3DK6). This is a misroute — do not treat the post as successful.` Note the **error message itself is well-formed** — it tells the agent the **intended** target and the **actual** `thread_ts` it landed at, which is the parent root thread. Verified via `mcp__slack__conversations_replies(channel_id=C0AH3RY3DK6, thread_ts=1781554558.133389)` that the reply DID land — just at the wrong parent (the root thread `1781554558.133389`, not the reply at `1781555895.458679` I intended). This is consistent with Failure 1 \"gateway strips `:thread_ts` and falls back to home channel or top-level orphan\" — the gateway is **silently demoting the `:thread_ts` argument from a child-of-X to a top-level post**. The reply content was correct, but the user reading the original thread at `1781555895.458679` would not see it without scrolling to the parent. **The new lesson for 16th instance**: when the misroute error message names both the `target attempted` and the `actual thread_ts`, **do NOT re-try `send_message` with the same 3-part form** — the gateway has already proven it strips the segment. Switch to Path A or B immediately. The `conversations_replies` verify IS the ground truth — if your message is in the parent thread reply list, it landed, but the user may not see it where they expect. **Special case for WA-class threads**: in WA working pattern, the user reads the root thread (not a deep reply branch), so the misroute to the parent root is **functionally acceptable** for a status report \u002F dispatch ack — the user will see it. The misroute is only a real problem for replies that need to nest in a deep branch where the user is not scrolling. See new `references\u002F2026-06-15-pr-7397-dispatch-ack-instance-16.md` for the full transcript.\n- 2026-06-14 (jleechanclaw health-guardian dropped-thread followup #3, `C0AJ3SD5C79\u002F1781374059.979679`): **13th confirmed instance** of the 3-part `target=slack:CHAN:thread_ts` mis-route AND **3rd dropped-thread followup of the SAME `ai.hermes-watchdog log stale or missing` false-positive alert** (per `cron\u002Foutput\u002Fa790a5b54e61\u002F2026-06-13_16-02-49.md` and the 2026-06-12 7th-instance entry above). The user has seen this alert 3x and never picked a fix path — the **\"advance state on Nth recurrence\" rule from the 7th instance fired again**. The investigation went smoothly: read the actual watchdog log file (NOT `launchctl list | grep hermes-watchdog`, which returned PID 1372 = `mem-watchdog.sh` — a known launchd display quirk where the PID column shows the most-recently-run PID, not the currently-running process of that label), confirmed the log is fresh and prod gateway healthy on port 8643, and proposed 3 options (raise threshold \u002F open fix PR \u002F no action) with the default as option C. Recovery was textbook Path B: wrote JSON to `\u002Ftmp\u002Fhermes-status-update.json` via `write_file` (NOT heredoc — heredoc did not survive the terminal wrapper in this runtime), then `curl -s -X POST https:\u002F\u002Fslack.com\u002Fapi\u002Fchat.postMessage -H \"Authorization: Bearer $HERMES_SLACK_BOT_TOKEN\" --data-binary @\u003Cfile>`, verified at `ts 1781444881.815929` with `ThreadTs=1781374059.979679` (correctly threaded). **The `send_message` tool 3-part form was attempted first** (target=`slack:C0AJ3SD5C79:1781374059.979679`); tool returned `chat_id=C0AJQ5M0A0Y` (home channel) with the canonical \"Sent to slack home channel\" note — the 13th confirmation that the mis-route is universal. **New micro-lesson for `send_message` to Path B transition**: do NOT retry `send_message` with different target formats once you see the home-channel fallback. The 2026-06-10 vNU3 entry already encoded this; the 13th instance re-confirms it. Composed the entire final reply in the JSON file before the curl call → zero narration posts leaked, just 1 verify `conversations_replies` after. Two new references worth adding to this skill library:\n  - The **`launchctl list | grep \u003Clabel>` display quirk** is a reusable diagnostic lesson worth its own mention: do not trust the PID column as \"the currently-running process for this label\" — verify by reading the log file mtime + content + the script content, not by PID lookup. Captured separately as a generic technique in this patch, applicable to ANY launchd-based watchdog investigation, not just this thread.\n  - The **`write_file`-then-`curl` Path B pattern** (instead of heredoc) is the durable shape when the terminal wrapper in this runtime rejects heredoc-style command bodies. Future agents who hit the same wrapper should reach for `write_file` to materialize the JSON, not retry heredoc.\n  - See `references\u002F2026-06-14-dropped-thread-followup-instance-13.md` for the full transcript + the two script bugs (unlabeled `$hage` log line; prod script drift) that this investigation surfaced and proposed as fix paths.","# Slack Thread Routing — Investigation & Durable Post Path\n\n> ## ⚠️ STATUS UPDATE — 2026-06-14: the `send_message` thread_ts-drop bug is FIXED\n>\n> **As of [PR #29](https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fhermes-agent\u002Fpull\u002F29) (hermes-agent, merged 2026-06-14 21:57:32Z), the gateway `send_message` Slack path honors the `:thread_ts` segment of a 3-part `target=\"slack:CHAN:thread_ts\"`.** Failure 1 (gateway self-roots \u002F strips `:thread_ts` and falls back to the home channel — tracked as `$USER-kr3b` \u002F agent-orchestrator #684) is **resolved at the code level**: `tools\u002Fsend_message_tool.py` now widens `_SLACK_TARGET_RE` to capture `:thread_ts`, forwards it in `_parse_target_ref`, builds the payload with it in `_send_slack`, and **fails loud** if the echoed `thread_ts` does not match.\n>\n> **What this means for you, right now:**\n> - **Use the 3-part `send_message target=\"slack:CHAN:thread_ts\"` form as the PRIMARY path.** It threads correctly post-#29.\n> - **Path A (MCP HTTP-direct) and Path B (curl `chat.postMessage`) are now FALLBACKS**, not the default — use them only if the gateway tool is unavailable or you observe a *fresh* misroute.\n> - **Every \"`send_message` is BROKEN \u002F never trust it \u002F both forms land top-level \u002F 11 instances\" statement below is HISTORICAL (all dated 2026-06-09 → 2026-06-13, pre-#29).** It is retained as the investigation record, not as current guidance. Do **not** act on it as if `send_message` is still broken.\n> - **Do NOT normalize root\u002Fsibling posts as \"irreducible.\"** Post-#29 a clean single threaded reply is achievable. If your reply still lands at channel root, it is one of: (a) **Failure 5** below (a *wrong* `thread_ts` in your session context — run step 0), or (b) a *fresh* regression of the now-fixed path — in which case **file it** (do not accept it).\n>\n> **Still open (NOT fixed by #29):** **Failure 5 — wrong `thread_ts` injected by the session context header.** This is a separate session-routing bug, not a `send_message` bug. **Step 0 (verify `thread_ts` via `conversations_history`, never the header) remains mandatory regardless of which post path you use.**\n\n## When to use this skill\n\nUse when ANY of these are true:\n\n1. A Slack reply landed as a top-level channel message instead of a thread reply (the user says \"you posted in the wrong thread\" or `conversations_replies` shows the new message has `thread_ts == ts`).\n2. `mcp__slack__conversations_add_message` is not surfaced in the runtime tool list, but the MCP server at `127.0.0.1:8006` does register it.\n3. Bot debug\u002Fthinking lines are leaking into a sibling thread while you are trying to post a single user-facing reply.\n4. The gateway `send_message` Slack path silently ignores `thread_ts` (or rewrites it to the outgoing post own ts).\n5. The user says \"we thought we fixed this\" \u002F \"is this fixed already?\" \u002F \"I thought we patched this\". As of 2026-06-14 the `send_message` thread_ts-drop bug **was** patched (PR #29 — see banner), so this signal no longer means \"the send_message bug is still alive.\" It now most likely means either (a) **Failure 5** (the session context header is feeding you a wrong `thread_ts` — run step 0), or (b) an agent is still following the *historical* \"never trust send_message\" guidance below and self-rooting unnecessarily. Diagnose which before reaching for a workaround; only file a fresh gateway bead+GH issue if you reproduce a genuine post-#29 `send_message` misroute.\n\n## Framing (updated 2026-06-14): the gateway routing bug WAS patched; one related mode remains\n\nThe `send_message` thread_ts-drop bug (Failure 1) was a genuine gateway-side bug in `jleechanorg\u002Fagent-orchestrator-ts` Slack handler — it silently stripped the `:thread_ts` segment from `target=slack:CHAN:thread_ts` and fell back to the home channel. **That bug is now fixed at the code level by [hermes-agent PR #29](https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fhermes-agent\u002Fpull\u002F29) (merged 2026-06-14).** The `slack-reply-inherit-thread-ts` SOUL rule (2026-06-09) and the Path A\u002FB curl workarounds in this skill were the *interim* agent-side mitigation; post-#29 they are fallbacks, not the default.\n\n**One related mode is NOT a `send_message` bug and remains open: Failure 5** — the session-routing layer can inject a *wrong* `thread_ts` into your prompt `Source: Slack (...)` header. No `send_message` fix addresses this, because the agent itself supplies the wrong target. **Step 0 (verify `thread_ts` from `conversations_history`, never the header) is the durable mitigation and is mandatory on every Slack reply.**\n\nWhen a user signals they have seen this before (\"we thought we fixed this?\"): do **not** silently reach for a curl workaround or self-root. First determine which mode you are in — a *fresh* post-#29 `send_message` misroute (file a new gateway bead+issue, it would be a regression) vs Failure 5 (run step 0) vs an agent blindly following the historical \"never trust send_message\" guidance below (it is stale — use the now-fixed 3-part form).\n\n## Action plan (the only durable cure)\n\nIf you are about to send a Slack reply that **must** land in a specific thread, follow these FIVE steps in this exact order — do not improvise:\n\n0. **Verify the `thread_ts` from `conversations_history`, NOT from the session context header.** The header line `Source: Slack (group: \u003Cchan>, thread: \u003Cts>)` is a hint, not authoritative. It can be stale, point to a HERMES-bot prior self-message in the same channel (which has no replies and is not a thread), or point to a different user thread. Before composing anything: call `mcp__slack__conversations_history(channel_id=\u003Cchan>, limit=5)`, find the user most recent message in the channel, and use ITS `thread_ts` (or, if top-level, ITS `ts`) as the reply target. **This is Failure 5 mitigation** (see below). One `conversations_history` call is cheap; the cost of getting `thread_ts` wrong is 2 orphan posts in channel root + a self-correction reply. Verified universal across the 2026-06-14 instance 15.\n1. **Compose the entire final reply in your head (or in a scratch buffer) before the first `send_message` call.** No interim \"wait\" \u002F \"let me re-check\" \u002F \"actually\" narration. The gateway serializes every `\u003Cthink>` block and every post-`send_message` tool call as a separate `chat.postMessage`.\n2. **Post the reply, in priority order:**\n   - **PRIMARY (post-#29):** `send_message target=\"slack:CHAN:thread_ts\"` (the 3-part form). Since PR #29 this honors `:thread_ts` and threads correctly — it is the simplest one-call path. (The historical \"both forms land top-level \u002F 11 instances\" warning below is **pre-#29** and no longer applies to the 3-part form.)\n   - **FALLBACK:** raw HTTP `chat.postMessage` (Path B): one curl call, JSON body via heredoc, explicit `channel` + `thread_ts` + `text`, bot token from `HERMES_SLACK_BOT_TOKEN`. Use this if the gateway tool is unavailable or you observe a fresh misroute. Either way: one post, no probing, no retrying with different `target` formats — each retry adds a leaked post.\n3. **Compose the entire final reply before the first post call.** No interim \"wait\" \u002F \"let me re-check\" \u002F \"actually\" narration between post-related tool calls — the gateway serializes every `\u003Cthink>` block and post-call tool result as its own `chat.postMessage` (Failure 4). This is the real lever against sibling-post leaks, independent of which post path you choose.\n4. **Verify last.** `mcp__slack__conversations_replies channel_id=\u003Cchan> thread_ts=\u003Cts>` is the final action of the turn — pass criteria: the new `MsgID` has `ThreadTs == \u003Cts>` (not its own `MsgID`, not empty).\n\nA clean single threaded reply is the expected outcome post-#29 — do **not** treat root\u002Fsibling posts as \"irreducible cost.\" If your reply still leaks siblings, that is Failure 4 (collapse the investigation to ≤ 3 tool calls and compose before posting); if it lands at channel root, that is Failure 5 (wrong `thread_ts` — run step 0) or a fresh regression to file. The 10-post instance (2026-06-12, pre-#29) was caused by 15 tool calls between the first post and the recovery — tool-call discipline is the lever.\n\n## Six known failure modes + two recurring silent-post failures\n\n> Two additional failure modes (7, 8) sit at the END of this skill — Failure 7 (silent-empty-MsgID from `mcp__slack__conversations_add_message`) and Failure 8 (auto-leak of agent thinking + tool stdout). Both recur in production; both were verified on 2026-07-28 thread `C0ALSKLU9KM\u002Fp1785222486.120339`.\n\n## Six known failure modes\n\n### Failure 1 — Gateway self-roots the post (canonical bug, 2026-06-09 → FIXED 2026-06-14 by PR #29)\n\n**Symptom:** the reply becomes a new top-level channel message; subsequent user follow-ups appear threaded to the bot broken message, not the original.\n\n**Root cause:** the gateway Slack post path set `thread_ts = ts` of the *outgoing* post rather than the *incoming* message `thread_ts` — it dropped the `:thread_ts` segment of the 3-part target and fell back to the home channel.\n\n**Diagnostic:**\n```bash\ngh curl \u002Fapi\u002F... # or use mcp__slack__conversations_replies to compare ts vs thread_ts\n```\nOn the broken message: `ThreadTs == MsgID` (self-rooted). On a correct message in the same channel: `ThreadTs` points to the original parent.\n\n**Status — FIXED:** [hermes-agent PR #29](https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fhermes-agent\u002Fpull\u002F29) (merged 2026-06-14 21:57:32Z) patched this at the code level in `tools\u002Fsend_message_tool.py` (`_SLACK_TARGET_RE` widened, `_parse_target_ref`\u002F`_send_slack` forward `thread_ts`, fail-loud on echo mismatch). The 3-part `send_message target=\"slack:CHAN:thread_ts\"` form is now the PRIMARY working path. If you still see `ThreadTs == MsgID` on a post made via the 3-part form **after** #29, that is a *regression* — file a fresh gateway bead+GH issue (do not just work around it). Path A\u002FB remain as fallbacks. (Failure 5 below — a *wrong* `thread_ts` from the session header — is a separate, still-open mode that #29 does not address.)\n\n### Failure 2 — Runtime tool-surface gap (canonical bug, 2026-06-09)\n\n**Symptom:** `mcp__slack__conversations_add_message` is missing from your tool list, even though the server registers 13 tools including it.\n\n**Root cause:** the gateway MCP client registers the tools server-side but does not surface `conversations_add_message` to the agent runtime. The other tools (`conversations_history`, `conversations_replies`, `channels_list`, `users_search`, etc.) ARE surfaced.\n\n**Diagnostic:**\n```bash\n# Probe the server directly — initialize a session, list tools\nSID=$(curl -sS -i -X POST http:\u002F\u002F127.0.0.1:8006\u002Fmcp \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -H \"Accept: application\u002Fjson, text\u002Fevent-stream\" \\\n  -d '{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"initialize\",\"params\":{\"protocolVersion\":\"2024-11-05\",\"capabilities\":{},\"clientInfo\":{\"name\":\"probe\",\"version\":\"0\"}}}' \\\n  | grep -i \"^mcp-session-id:\" | awk '{print $2}' | tr -d '\\r')\n\ncurl -sS -X POST http:\u002F\u002F127.0.0.1:8006\u002Fmcp \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -H \"Accept: application\u002Fjson, text\u002Fevent-stream\" \\\n  -H \"Mcp-Session-Id: $SID\" \\\n  -d '{\"jsonrpc\":\"2.0\",\"id\":2,\"method\":\"tools\u002Flist\"}'\n```\nIf `conversations_add_message` is in the response but missing from your tool list, you have Failure 2. Fall through to the Durable Post Path.\n\n### Failure 3 — Gateway scratch-leak during probing (canonical bug, 2026-06-10)\n\n**Symptom:** while figuring out the post endpoint (probing `\u002Ftools\u002Flist`, `\u002Fv1\u002Ftools`, `\u002Fmcp` without a session, etc.), 3-6 bot debug lines leak into the *most recent visible thread* in the channel — typically the broken sibling thread, which makes the leak loudest.\n\n**Root cause:** the gateway times out the Slack post call after ~3 min and starts streaming intermediate status into whatever thread the user is looking at. This is the same gateway-scratch-leak from the 2026-06-09 loop, but the trigger changed: now any non-trivial post path investigation triggers it.\n\n**Mitigation:** once you have a working `SID` from Failure 2 diagnostic, do all subsequent calls inside a single curl pipeline. Do NOT issue multiple curl calls separated by `echo \"---\"`. Each one is a fresh gateway invocation that risks another scratch-leak cycle.\n\n### Failure 4 — Tool-call narration leaks as separate posts even after the final reply is correctly routed (canonical bug, 2026-06-11)\n\n**Symptom:** the final user-facing reply lands correctly in-thread (verified via `conversations_replies`, `ThreadTs == original thread_ts`). But 3-7 sibling posts in the same thread are raw tool-call narration — phrases like \"Let me check…\", \"Now I have the full picture…\", \"Two more scratch-leak posts in the thread — the runtime is leaking every tool-call narration\", \"Let me post ONE final cleanup note…\". The narration comes from the runtime `\u003Cthink>` \u002F tool-result summary that gets streamed as its own Slack message *after* the final reply `send_message` returns.\n\n**Root cause:** the gateway serializes each \"text\" block the runtime emits between tool calls as a separate `chat.postMessage`. The final `send_message` call succeeds, but the runtime keeps generating thinking-block text for subsequent tool calls (e.g. `mcp__slack__conversations_replies` to verify, `read_file` to check a status, etc.) and each one of those becomes a new Slack post. This is a different leak vector than Failure 1 (self-threaded) or Failure 3 (probing): the post is correctly threaded, it is just that there is a *flood* of them, one per `think` block.\n\n**Diagnostic:** after sending a Slack reply, if you call `mcp__slack__conversations_replies` for verification and see N>1 new `MsgID` rows where all but one are short narration text, you have Failure 4. The `ThreadTs` of every leaked post matches the original thread `thread_ts` (correctly routed), so it is NOT Failure 1.\n\n**Mitigation:**\n1. **Compose the entire final reply before calling `send_message` the first time.** Do not call `send_message`, then verify, then write more text — each verification step generates more narration that leaks. Verify AFTER the final reply only, and accept that 1-2 leaks of meta-reasoning may slip in.\n2. **If 5+ narration posts already leaked, post ONE explicit cleanup message** in the same thread naming the noise (e.g. \"the previous N posts were tool-call narration; the actionable reply is at ts X.Y\") and stop. Do not delete them — there is no `chat.delete` token in the runtime in the typical case (verified 2026-06-11: `HERMES_SLACK_BOT_TOKEN` is not in the runtime env, so the curl `chat.delete` path requires sourcing the token from the launchd plist, which is brittle).\n3. **The actual post landed correctly; the user can see the answer.** Failure 4 is noise, not data loss. Do not let it derail into a \"fix the leak\" rabbit hole when the original request is still actionable.\n\n**This is the failure mode that triggers the \"2-part `target=slack:CHAN` works but pollutes the thread\" observation from 2026-06-10 vNU3 PCD-spread (instance 5).** The 2-part form is the working pattern; the leak is a separate runtime-streaming bug, not a routing bug.\n\n### Failure 5 — Wrong `thread_ts` from session context header (canonical bug, 2026-06-14, instance 15)\n\n**Symptom:** the agent posts via Path B curl with what it believes is the correct `thread_ts` (taken from the runtime `Source: Slack (group: \u003Cchan>, thread: \u003Cts>)` context header). The post lands as 1-2 top-level orphans in the channel root with no `ThreadTs`, NOT in the intended thread. A `conversations_replies(thread_ts=\u003Cwrong_ts>)` call returns `thread_not_found` because the supposed \"thread\" is actually a HERMES-bot prior top-level status post (not a thread) or a different user question.\n\n**Root cause:** the session-routing layer that injects `Source: Slack (group: \u003Cchan>, thread: \u003Cts>)` into the prompt is not always in sync with the user actual current thread. Three observed failure shapes:\n- The header points to a HERMES-bot own self-message in the same channel (the bot prior status post, which is a top-level message with no replies, not a thread). `conversations_replies(ts=\u003Cbot_self_msg>)` returns `thread_not_found` because there is no parent.\n- The header points to a different user question from a different thread in the same channel. The agent posts to the wrong thread, polluting an unrelated conversation.\n- The header is from a previous turn in the same session and points to a thread the user has already left. The post goes to a stale thread that the user is no longer reading.\n\n**Diagnostic:**\n```bash\n# 1) Get the most recent messages in the channel\nmcp__slack__conversations_history(channel_id=\u003Cchan>, limit=5)\n\n# 2) Look for the user question that triggered THIS turn\n#    (not a HERMES-bot self-message, not a previous user thread)\n#    The user question is a row with UserName=$USER (or whoever)\n#    and ThreadTs matching the actual thread the user is in\n\n# 3) Use THAT row ts (or thread_ts if it is a reply) as the reply target\n#    NOT the thread_ts from the session context header\n```\n\n**Mitigation:** the pre-flight `conversations_history` step is now **required** before composing any Path B JSON payload. Treat the session context header as a hint about the channel (the `group` field is usually right), but never trust the `thread` field. The 1 extra tool call is cheap insurance against a 2-orphan + self-correction cycle. The corrected reply should include a `Self-correction transparency` section in its body (not a separate apology message) so the user reads one message with both the analysis AND the explanation of why prior siblings in the same turn were orphans. Worked example at `references\u002F2026-06-14-wrong-thread-ts-context-instance-15.md`.\n\n**Distinct from Failure 1:** Failure 1 is the gateway stripping `:thread_ts` from `target=slack:CHAN:thread_ts`. Failure 5 is the agent itself supplying the wrong `thread_ts` from a stale prompt header. The post is correctly threaded under the wrong thread (or top-level if the wrong `thread_ts` does not exist as a thread) — it is not the gateway that mis-routes, it is the agent input. Path A\u002FB curl with the wrong `thread_ts` will reproduce the bug every time, deterministically. The fix is the agent pre-flight, not the gateway.\n\n**Implication for the gateway patch (#684):** even after `send_message` is fixed to honor `:thread_ts`, Failure 5 will still occur if the agent session context header is stale. The session-routing layer that injects the thread context is a separate system from the gateway Slack post path. Future agents should be aware that the \"fix the gateway\" PR does not eliminate Failure 5.\n\n### Failure 5e — gateway-cron-LLM with `deliver: local` posts conversational narration at channel root (canonical bug, 2026-06-18, ts 1781793603)\n\n**Symptom:** a cron job whose `deliver` field is `local` (no Slack `chat.postMessage` target is wired into the job itself) runs the LLM, and the LLM posts its conversational narration — clarifications (\"just want to confirm: ...\"), status updates (\"phase complete on ...\"), spawn announcements (\"worker spawned for ...\") — at channel root instead of the cron job origin thread. Observed instance: 3 channel-root orphans at ts `1781793603.149289`, `1781793611.471479`, `1781793618.797789` in #worldai (`C0AH3RY3DK6`) from the `babysit-wa-2366-rev-5deak` cron job. All 3 posts reference both `PR #7570` and `wa-2366 \u002F rev-5deak`; all 3 should have been threaded under `C0AH3RY3DK6 \u002F 1781477039.080969` (the job `thread_ts`).\n\n**Root cause:** `deliver: local` means \"do not call Slack from this job — the LLM is expected to surface its own output through whatever path the operator wired.\" When the LLM posts via Path C (`gateway send_message`), the 3-part `target=\"slack:CHAN:thread_ts\"` form is required to thread correctly. Many cron prompts *do* include the channel + thread in the prompt body (e.g., \"the deliver target is C0AH3RY3DK6 \u002F thread 1781477039.080969\"), but the LLM often paraphrases or skips the `thread_ts` segment when composing conversational posts, producing a root post. The gateway Path C is technically correct (no 5a\u002F5b path bug here); the bug is that the LLM narration thread inheritance is non-deterministic.\n\n**Detection signature (5e-specific):**\n- Channel-root post (`thread_ts` absent OR equal to `ts`)\n- Author == hermes bot (`U0AEZC7RX1Q`)\n- Text contains the cron job name (full or any hyphen-delimited part of length ≥ 4)\n- Text contains at least one PR\u002Fthread identifier extracted from the job prompt (regex: `PR #NNN`, `rev-XXXX`, `wa-NNNN`, generic `aa-NNNN` bead keys, or `NNNNNNNNNN.NNNNNN` Slack ts)\n- Parent job in `~\u002F.hermes_prod\u002Fcron\u002Fjobs.json` has `deliver: local`\n\n**Fix layers (defense-in-depth):**\n1. **Prompt guard** — cron prompts SHOULD repeat the channel + thread in plain text near the top of the prompt (already done for `babysit-wa-2366-rev-5deak`) AND instruct the LLM explicitly: \"every Slack post MUST use `target=slack:C0AH3RY3DK6:1781477039.080969` form, not the bare channel form.\" The CONTEXT-DRIFT GUARD header pattern is the template.\n2. **Detector** — `scripts\u002Fslack_5b_leak_detector.sh detect_5e_local_deliver_leaks` scans each `deliver: local` job channel history, applies the signature above, and emits `5E-ALERT ts=\u003Cts> channel=\u003CC> job=\u003Cname> matched_id=\u003Cid> preview=\u003Ctext>` lines. Hooked into the combined `detect_all_leaks` runner so a single cron invocation catches both 5b and 5e.\n3. **Gateway enforcement** — `send_message_tool.py` (already fixed by PR #29 for 5a) should also reject 3-part targets whose `thread_ts` segment equals `0` or is empty when the calling session has a stored `origin_thread_ts` (deferred; tracked as `$USER-5e-enforce`).\n\n**Escape hatch:** cron jobs that *want* to opt out (e.g., LLM is supposed to start a fresh daily-thread anchor post) can set `\"disable_5e_detect\": true` in `jobs.json`. This mirrors the per-job override pattern used by other safety nets.\n\n**Test coverage:** `tests\u002Ftest_slack_5e_local_deliver_leak.sh` — 4 cases:\n- (A) function defined\n- (B) 3 leak ts detected, threaded reply + human + non-matching cron-name ignored\n- (C) dedup — second run on same state file exits 0\n- (D) `disable_5e_detect: true` escape hatch honored\n\n**Sibling to:** Failure 5 (wrong `thread_ts` from session context header — agent pulls stale thread from the prompt), 5b (MCP-direct Claude Code posts bypass gateway), 5c (intentional first-of-day daily-anchor is by design channel-root), 5d (cron LLM content drift — right channel\u002Fthread, wrong PR). 5e is distinct: right content, wrong routing layer (cron job path), post lands at channel root because `deliver: local` lets the LLM pick the post shape.\n\n**Defense-in-depth gaps remaining:** (i) the gateway Path C tool does not auto-inject the cron job `thread_ts` when `deliver: local` is detected — would require a new `origin_thread_ts` runtime context, tracked separately; (ii) no automated re-thread on alert — operator must manually `chat.update` to set `thread_ts` on the orphan post; (iii) detector reads `jobs.json` from disk per run, so a job that runs >once\u002F2h can miss leaks if the operator rotates `jobs.json` mid-window (acceptable for the cron cadence in use today).\n\n### Failure 5f — cross-workspace bot-token hard-block, recovery stalls with no posted reply (canonical bug, 2026-06-25, ts 1782317177)\n\n**Symptom:** a session correctly diagnoses Failure 5 (or any of 5a-5e) and prepares a recovery Slack reply, but Path A \u002F Path B \u002F Path C \u002F `mcp__slack__conversations_add_message` ALL fail with `error: missing_scope` or `error: not_in_channel` because the bot token is scoped to the bot HOME workspace (e.g. `T09FXQ4LCQP` Your Project workspace) and the channel lives in a DIFFERENT workspace. The agent then runs out of iteration budget and reports \"iteration budget exhausted (60\u002F60) — asking model to summarise\" with NO posted reply, leaving the user with zero recovery output. Observed instance: 2026-06-25 in `C0AH3RY3DK6`, recovery attempts at `1782317095.215819` (\"Now I will post this analysis...\") and `1782317177.654589` (\"Cross-workspace bot-token hard-block — sub-class 5f per the slack-misroute-detector skill\"). Both stalled.\n\n**Root cause:** Slack bot tokens (`xoxb-...`) are scoped to the bot installation workspace. A bot installed in workspace A cannot post to a channel in workspace B even with the correct `channel_id` + `thread_ts`. The gateway Path A\u002FB\u002FC paths all use the bot token, so they all fail identically. User tokens (`xoxp-...`) cross workspace boundaries (when the user is a member of both workspaces) — but the typical agent runtime has only the bot token in env, not the user token.\n\n**Mitigation — the XOX-P user-token fallback:**\n1. **Detect sub-class 5f** — symptom: `chat.postMessage` returns `{\"ok\":false,\"error\":\"missing_scope\"}` or `{\"ok\":false,\"error\":\"not_in_channel\"}` AND `team` in the error response differs from the bot home `team`. The agent should report \"cross-workspace bot-token hard-block (sub-class 5f)\" and proceed to step 2 immediately — NOT stall on the error.\n2. **Source the XOX-P user token from `~\u002F.bashrc`** — see the Token-name pitfall below for the canonical extraction command. Do NOT trust a sibling `~\u002F.bashrc` export that has been overwritten by `.profile` — see memory `bashrc-profile-xapp-drift-blocks-launchd` (2026-06-18) for the failure mode where rotating `OPENCLAW_SLACK_APP_TOKEN` requires updating BOTH files.\n3. **Post via curl with the user token:**\n   ```bash\n   TOKEN=\"$(grep -h '^export SLACK_MCP_XOXP_TOKEN=' ~\u002F.bashrc 2>\u002Fdev\u002Fnull | head -1 | sed 's\u002F^export SLACK_MCP_XOXP_TOKEN=\u002F\u002F; s\u002F^\"\u002F\u002F; s\u002F\"$\u002F\u002F')\"\n   [[ -z \"$TOKEN\" ]] && { echo \"ERROR: SLACK_MCP_XOXP_TOKEN empty\"; exit 1; }\n   curl -fsS -X POST \"https:\u002F\u002Fslack.com\u002Fapi\u002Fchat.postMessage\" \\\n     -H \"Authorization: Bearer $TOKEN\" \\\n     -H \"Content-Type: application\u002Fjson\" \\\n     -d '{\"channel\":\"\u003Cchan>\",\"thread_ts\":\"\u003Ccorrect_ts>\",\"text\":\"\u003Creply>\"}'\n   ```\n4. **Identity disclosure in post body** — the reply will appear as posted by `$USER` (or whichever user), not the hermes bot. Include a brief disclaimer in the post body if the identity switch might confuse the reader: *\"(posted via $USER identity due to cross-workspace bot-token hard-block; the analysis below is from the hermes agent)\"*.\n5. **Verify via `conversations_replies`** — the new MsgID must have `ThreadTs == \u003Ccorrect_ts>` AND `UserID == U09GH5BR3QU` ($USER), not a bot ID.\n6. **Do NOT stall** — the SOUL.md `push-pr-donot-stop-halfway` COMMIT (shipped 2026-06-23) and the `slack-cross-workspace-fallback-xoxp` COMMIT (shipped 2026-06-25 in the same PR as this skill update) are the operational guardrails. An incomplete reply posted at the correct thread beats a complete analysis that the user never sees because the agent ran out of iteration budget.\n\n**Distinct from 5e:** 5e is `deliver: local` cron narration landing at channel root (right content, wrong post shape). 5f is the recovery path being blocked entirely (no post at all because all bot-token paths fail). 5f is the \"iteration budget exhausted with no posted reply\" failure mode; 5e is the \"posted but at wrong location\" failure mode.\n\n### Failure 6 — Slack attachment referenced in message but no tool to fetch the file content (canonical bug, 2026-07-26, ts 1785057454)\n\n**Symptom:** a user Slack message contains a file attachment — `FileCount=1`, `AttachmentIDs=[F0xxxxxxxxx]`, `HasMedia=true` in the `conversations_replies` \u002F `conversations_history` row. The user asks the agent to \"continue\" \u002F \"review\" \u002F \"implement\" \u002F \"address\" the attachment contents. The agent has no `files_download`, `files.info`, or `files_get` tool in its runtime, and the local Slack attachments cache (`~\u002FLibrary\u002FContainers\u002Fcom.tinyspeck.slackmacgap\u002F...`) is either empty, inaccessible, or sits inside a TCC-protected subdirectory that the agent's terminal cannot reach. The agent is supposed to act on content it cannot read.\n\n**Root cause:** the Slack MCP server registers a small read-only tool surface (`channels_list`, `conversations_history`, `conversations_replies`, `conversations_mark`, `users_search`, `usergroups_*`, `list_resources`, `read_resource`) — none of those expose `files.info` \u002F `files.get` \u002F `files_download`. The agent has read access to the metadata (filename, size, url_private) via the message row, but **not** to the file bytes. The local macOS Slack app caches attachments in a sandboxed container that the agent cannot traverse (filesystem timeouts on `ls` against the container are the canonical signature). The fallback `bot token + curl https:\u002F\u002Fslack.com\u002Fapi\u002Ffiles.info` requires `files:read` scope on the bot token AND an HTTP-reachable network — neither is guaranteed in scope.\n\n**Three observed failure shapes (all hit 2026-07-26 in `C0AH3RY3DK6\u002F1785057454.672319`):**\n- **6a — local cache absent.** `~\u002FLibrary\u002FApplication Support\u002FSlack\u002Fattachments\u002F` does not exist; the Slack app has either not downloaded the attachment, downloaded it to a sandboxed container the agent cannot see, or auto-deleted it after the upload. Confirmed via `find ~\u002FLibrary -name \"F0xxx\"` returning 0 results.\n- **6b — local cache present but unreadable.** `~\u002FLibrary\u002FContainers\u002Fcom.tinyspeck.slackmacgap\u002FData\u002F...` exists but `ls` against it hangs or returns `Operation not permitted` (TCC sandbox). Even reading the attachment directory is gated.\n- **6c — no token in runtime.** `HERMES_SLACK_BOT_TOKEN` is not in the runtime env, so even the `files.info` API path via curl is blocked. Some sessions have the xoxp token, others don't — never assume.\n\n**Diagnostic (cheap, always run in this order):**\n\n```bash\n# 1) Is the attachment file present anywhere user-readable?\nfind ~\u002FLibrary ~\u002FDownloads ~\u002FDesktop \u002Ftmp -name \"\u003Cattachment_id>\" -o -name \"\u003Cbase_filename>\" 2>\u002Fdev\u002Fnull | head -5\n# Expect 0-1 results; >1 is fine (user may have re-downloaded).\n\n# 2) Is the local Slack attachments cache reachable?\nls -la \"$HOME\u002FLibrary\u002FApplication Support\u002FSlack\u002Fattachments\u002F\" 2>&1 | head -5\n# If \"No such file or directory\" → 6a. If timeout \u002F \"Operation not permitted\" → 6b.\n\n# 3) Is there a bot or user token in env that has files:read scope?\necho \"HERMES_SLACK_BOT_TOKEN: ${HERMES_SLACK_BOT_TOKEN:+PRESENT (${#HERMES_SLACK_BOT_TOKEN} chars)}\"\necho \"SLACK_USER_TOKEN: ${SLACK_USER_TOKEN:+PRESENT (${#SLACK_USER_TOKEN} chars)}\"\necho \"SLACK_MCP_XOXP_TOKEN: ${SLACK_MCP_XOXP_TOKEN:+PRESENT (${#SLACK_MCP_XOXP_TOKEN} chars)}\"\n# If all empty → 6c. The agent is provably blocked.\n```\n\n**Mitigation (the right thing to do):**\n\n1. **STOP. Do NOT guess the attachment contents.** A user message that says \"consider these changes\" \u002F \"review this file\" \u002F \"implement what's in this attachment\" requires the actual content. Inventing content from the subject line and applying it is the canonical \"fabricated completion\" anti-pattern — see `references\u002F2026-07-15-fabrication-class.md` in this skill's library for the class lesson (incident 2026-07-15: agent output a 200-line plan based on a Slack-share title without reading the source).\n2. **Post to the thread ONCE with the diagnostic findings and three unblock options.** The reply body should be a clear \"I cannot read the attachment, here's what I checked, here are three ways to unblock\" — NOT a multi-step investigation that leaks 5+ narration posts (per Failure 4 rules above). The structure that worked in `C0AH3RY3DK6\u002F1785057454.672319`:\n   - **Healthy** — list of mvp_site prompt files that the eventual change will touch (proves the agent has the diff surface mapped when content arrives).\n   - **Blocked** — the specific three checks that failed (cache absent, container unreadable, no token in env).\n   - **Next actions** — three concrete options for the user: paste content inline, re-attach as a different file, or point at a path where a prior session saved the draft.\n3. **Do NOT serially probe all three failure shapes** — that is the Failure 4 leak pattern. ONE `find` + ONE `ls` + ONE `echo` triple-check, then reply. The user has the throughput to debug the cache; the agent does not have the throughput to thrash on the file system.\n4. **When the unblock arrives,** the existing skill content (Failure 5 pre-flight, Path A\u002FB\u002FC post paths) applies unchanged. The attachment is metadata-gated only — once the bytes are in scope, the rest of the Slack post path is the same as any other reply.\n\n**Distinct from Failure 1-5:** Failures 1-5 are about post *routing* (wrong thread, wrong channel, narration leak). Failure 6 is about *input* — the agent has no tool to read the very artifact the user is asking it to act on. The agent's reply shape is different: instead of \"post to the right thread,\" it is \"tell the user I cannot read the file and ask for the content.\" The investigation budget is also tighter (3 checks, not 25) because the failure mode does not depend on the Slack post path at all.\n\n**Future-work note (not in scope 2026-07-26):** adding a `files_download` MCP tool to the Slack MCP server would close Failure 6 at the harness level. The cost is one new tool exposing the existing `files.info` + `files_download` Slack Web API methods, gated by the same `files:read` scope that the bot token already has in most installs. Filed as a followup: agent-orchestrator slack-mcp-server add `files_download` tool. Until then, the agent's only durable mitigation is the STOP + ask path.\n\n**Bug-ref:** 2026-07-26, `C0AH3RY3DK6\u002F1785057454.672319` (\"Consider these changes to add challenge to the game but adapt to the $PROJECT_ROOT\u002F code and prompts, the suggesting agent coudlnt read existing code\"). Message row showed `FileCount=1, AttachmentIDs=F0BKZ4BJYTW, HasMedia=true`. Local cache: directory not present (6a). Token check: not in runtime env (6c). User follow-up \"Continue\" at `1785114900.765049` arrived before the agent could resolve — agent reposted with the three unblock options and stopped. No fabrication; no blind edits to `$PROJECT_ROOT\u002Fprompts\u002F*.md`; no investigation leak beyond the three diagnostic calls. The user's underlying intent (add challenge mechanics to the game prompts) is preserved — the agent has the diff surface mapped (`narrative_system_instruction.md`, `combat_system_instruction.md`, `game_state_mechanics_appendix.md`, `rewards_system_instruction.md`, `leveling_pace_contract.md`, `prompts\u002Fdivine\u002F`, `prompts\u002Fshared\u002F`) and is ready to act when the content arrives.\n\n### Failure 5g — `not_in_channel` for a channel in the bot HOME workspace (canonical bug, 2026-07-16, ts 1784215712)\n\n**Symptom:** `mcp__slack__conversations_add_message(channel_id=\u003CC0xxx>, thread_ts=\u003Cts>, text=...)` returns `{\"error\":\"not_in_channel\"}` even though the channel IS in the bot home workspace (`T09FXQ4LCQP` in the 2026-07-16 instance). Same `not_in_channel` shape as 5f cross-workspace block, but with the same `team` in both error and home workspace — so 5f \"different workspace\" diagnostic does not fire. Distinct root cause: the bot user (`B0BGY53L8N8` hermes, or `B0A450AF9NF` MCP Agent Mail depending on which MCP server the runtime uses) has not been **invited** to the channel, even though the workspace is the right one. Slack bot tokens can read any public channel via `conversations_history`\u002F`conversations_replies` without explicit invitation, but `conversations_add_message` (and `chat.postMessage`) requires the bot to be a member of the channel.\n\n**Diagnostic (5g-specific):** the error response is `{\"ok\":false,\"error\":\"not_in_channel\"}` with the same `team` value as the home workspace — NOT `missing_scope` and NOT `team_access_not_granted` (which would indicate 5f). If you have read access (verified via `conversations_history` returning the message list) but cannot post, you have 5g.\n\n**Mitigation:** the XOX-P user-token fallback from 5f applies verbatim — a user token (`xoxp-...`) is scoped to the user own channel memberships, not the bot, and posts as the human user. The bot `not_in_channel` error does NOT block a user-token post. Path:\n\n1. **Detect 5g** — `conversations_add_message` returns `not_in_channel` with same `team` as home workspace. `conversations_replies`\u002F`conversations_history` STILL WORK (read tools do not require membership). Distinct from 5f (cross-workspace) and from a generic `channel_not_found` (wrong channel ID entirely).\n2. **Source `SLACK_MCP_XOXP_TOKEN`** from `~\u002F.bashrc` per the Token-name pitfall below.\n3. **Post via curl with the user token** (same curl recipe as 5f step 3) — the post will appear as `$USER`, not the hermes bot. Include a brief identity-disclosure line in the post body if the identity switch might confuse readers.\n4. **Verify via `conversations_replies`** — new `MsgID` must have `ThreadTs == \u003Ccorrect_ts>` AND `UserID == U09GH5BR3QU`.\n5. **Do NOT attempt to invite the bot to the channel** — that requires `channels.invite` API scope which the bot token likely lacks. The XOX-P path is the durable mitigation.\n\n**Distinct from 5f:** 5f is the bot token being scoped to a different workspace (different `team`). 5g is the bot token being in the right workspace but not invited to the specific channel (same `team`, missing channel membership). Both block `conversations_add_message`\u002F`chat.postMessage`, and both have the same XOX-P recovery, but the diagnostic is different — verify the `team` field in the error response first.\n\n**Token-name pitfall (verified 2026-07-16; refreshed 2026-07-17 with `~\u002F.profile` source for `SLACK_USER_TOKEN`):** the xoxp token has TWO canonical env vars in this environment, depending on which dotfile you source:\n\n| Variable name | Location | Length | Prefix | Notes |\n|---|---|---|---|---|\n| `SLACK_MCP_XOXP_TOKEN` | `~\u002F.bashrc` line 290 | 80 chars | `[REDACTED_SLACK_TOKEN]` | Originally documented in this skill (2026-07-16) |\n| `SLACK_USER_TOKEN` | `~\u002F.profile` line 4 | 80 chars | `[REDACTED_SLACK_TOKEN]` | The SOUL.md `slack-cross-workspace-fallback-xoxp` COMMIT canonical name |\n\nBoth vars carry the SAME token value (the MCP Agent Mail OAuth user-token). The var named in SOUL.md (`SLACK_USER_TOKEN`) is NOT in `~\u002F.bashrc` — it's in `~\u002F.profile`, which is **not** sourced by `~\u002F.bash_profile` on stock macOS bash. That means the SOUL.md-canonical name only resolves when you explicitly `source ~\u002F.profile`.\n\n**Reliable extraction (in priority order):**\n\n```bash\n# 1) Try .profile first (SOUL.md canonical SLACK_USER_TOKEN)\nTOKEN=$(grep -h '^export SLACK_USER_TOKEN=' ~\u002F.profile 2>\u002Fdev\u002Fnull | head -1 | sed 's\u002F^export SLACK_USER_TOKEN=\u002F\u002F; s\u002F^\"\u002F\u002F; s\u002F\"$\u002F\u002F')\n\n# 2) Fall back to .bashrc (the SLACK_MCP_XOXP_TOKEN variant)\nif [[ -z \"$TOKEN\" ]]; then\n  TOKEN=$(grep -h '^export SLACK_MCP_XOXP_TOKEN=' ~\u002F.bashrc 2>\u002Fdev\u002Fnull | head -1 | sed 's\u002F^export SLACK_MCP_XOXP_TOKEN=\u002F\u002F; s\u002F^\"\u002F\u002F; s\u002F\"$\u002F\u002F')\nfi\n\n# 3) Last-resort broader grep (catches new variants)\nif [[ -z \"$TOKEN\" ]]; then\n  TOKEN=$(grep -hi 'xoxp-' ~\u002F.bashrc ~\u002F.profile ~\u002F.bash_profile ~\u002F.zshrc 2>\u002Fdev\u002Fnull | head -1 | sed 's\u002F^[^=]*SLACK_[A-Z_]*TOKEN=\u002F\u002F; s\u002F^\"\u002F\u002F; s\u002F\"$\u002F\u002F')\nfi\n\n[[ -z \"$TOKEN\" ]] && { echo \"ERROR: no xoxp token found in any dotfile\"; exit 1; }\n```\n\n**The `bash -lc` vs `bash -c` sourcing divergence (verified 2026-07-17, jleechanorg\u002Fjleechanclaw PR #786 babysit cron `59e6e2f5dda0` tick #1):**\n- `bash -lc 'echo $SLACK_USER_TOKEN'` from a direct terminal: WORKS — login shell sources `.bash_profile` → `.bashrc` → `.profile` chain.\n- `bash -lc 'echo $SLACK_USER_TOKEN'` from `subprocess.run(['bash','-lc',...])` in Python: RETURNS EMPTY. Python's subprocess does NOT inherit the login-shell rc-file chain from the parent terminal session — it spawns a fresh non-interactive shell that, even with `-l`, does not pick up the user custom exports from `.profile`.\n- `bash -c 'source ~\u002F.profile; echo $SLACK_USER_TOKEN'` (non-login, explicit `.profile` source): WORKS.\n\nThe durable Python-subprocess recipe is:\n\n```python\nimport subprocess\nproc = subprocess.run(['bash', '-c', 'source ~\u002F.profile 2>\u002Fdev\u002Fnull; printf \"%s\" \"$SLACK_USER_TOKEN\"'], capture_output=True, text=True)\nuser_token = proc.stdout\n```\n\nThis is the documented `bashrc-profile-xapp-drift-blocks-launchd` memory pattern manifesting in the Python `subprocess` runtime — the cron babysit needs the explicit `.profile` source, not a login-shell assumption.\n\nFor the bot token (Path B), the canonical var is `HERMES_SLACK_BOT_TOKEN` (line 958 of `~\u002F.bashrc`). `SLACK_BOT_TOKEN` (line 953) and `SLACK_MCP_XOXB_TOKEN` (line 956) are aliases. **Always verify the var is non-empty before issuing curl** — the cheap pre-flight is the `[[ -z \"$TOKEN\" ]]` guard above. Bug-ref: 2026-07-16, `C0AJQ5M0A0Y\u002F1784215507.433759` (cron backup `?` placeholders diagnostic), where the documented `SLACK_USER_TOKEN` extraction returned length 0 on first attempt and a second `grep -h -i 'SLACK.*TOKEN' ~\u002F.bashrc` was needed to find the real var name. Refreshed 2026-07-17 when a `bash -lc` invocation inside `subprocess.run` returned empty for `SLACK_USER_TOKEN` (the `subprocess` parent is non-interactive, so the login-shell rc-file chain does NOT propagate); explicit `source ~\u002F.profile` was the working fix.\n\n**Bug-ref:** 2026-07-16, channel `C0AJQ5M0A0Y` thread `1784215507.433759` (cron backup `?` placeholders diagnostic). MCP `conversations_add_message` returned `{\"error\":\"not_in_channel\"}` on first attempt; Path B curl with `SLACK_MCP_XOXP_TOKEN` from `~\u002F.bashrc` line 290 succeeded with `ts=1784215712.918349`, `thread_ts=1784215507.433759`, posted as `U09GH5BR3QU` ($USER) via \"MCP Agent Mail\" bot identity. The diagnosis surfaced that the MCP Agent Mail bot (`B0A450AF9NF`) had been invited to the channel at some earlier point but the hermes bot (`B0BGY53L8N8`) had not — hence `conversations_add_message` (hermes bot token) failed but Path B curl with xoxp ($USER identity, scoped to the user own channel memberships) succeeded.\n\n**Implication for future bots:** when wiring a new Slack bot to a workspace, the channel-invitation step for each channel the bot should post in is a separate operational task — the OAuth install flow grants workspace-wide scopes, not per-channel membership. A durable check: after every bot install\u002Freinstall, run `conversations_list_members(channel_id=\u003Ceach_target_channel>)` to verify the bot is in the channel; if not, `channels.invite` (requires the right OAuth scope) or fall back to XOX-P user-token path for that channel until the invite lands.\n\n### Failure 5h — `text must be a string` MCP wrapper shape (canonical bug, 2026-07-26, ts 1785119827)\n\n**Symptom:** `mcp__slack__conversations_add_message(channel_id=\u003CC0xxx>, thread_ts=\u003Cts>, text=\u003Cmarkdown_with_newlines>)` returns `{\"error\":\"text must be a string\"}` even though `text` IS a string in the calling agent's runtime (verified — the call payload contains a single string field with `\\n` newlines and Slack mrkdwn formatting). Same MCP server, same channel, same `thread_ts` that worked on prior calls in the same session. No `missing_scope`, no `not_in_channel`, no `team_access_not_granted` — just `text must be a string` with no `ok` field at all.\n\n**Diagnostic (5h-specific):**\n1. The error has no `ok: false` wrapper and no `team` field. It looks like a wrapper-layer validation error, NOT a Slack API response.\n2. The same payload (same `channel_id`, same `thread_ts`, same `text` content) succeeds via Path B curl with the xoxp token. Verified: 2026-07-26 thread `C0AJQ5M0A0Y\u002F1784906714.446409`, the MCP call returned `{\"error\":\"text must be a string\"}` at the wrapper layer, and the immediately-following Path B curl with `SLACK_USER_TOKEN` from `~\u002F.profile` succeeded with `ts=1785119872.441179`, `ThreadTs=1784906714.446409`.\n3. The error is **deterministic on the MCP path** but **does not reproduce via direct HTTP**. That asymmetry is the diagnostic — the wrapper is rejecting something the Slack Web API accepts.\n\n**Root cause (best guess, verified 2026-07-26):** the `mcp__slack__conversations_add_message` tool in this runtime wraps the text argument in a JSON schema validation step before forwarding to the Slack Web API. The validation appears to either (a) reject multi-line strings with embedded `\\n` characters (the calling agent's `text` field was 3 paragraphs with newlines, which Path B accepted verbatim), (b) reject strings containing certain mrkdwn tokens (`\u003C@USERID>` mentions, code fences with backticks, the `\u003Curl|text>` link shape), or (c) reject strings exceeding some implicit length threshold. The exact trigger was not isolated because switching to Path B was the durable fix — the MCP path is non-load-bearing for this thread.\n\n**Mitigation:** Path B (curl `chat.postMessage` with xoxp or bot token) is the durable mitigation. The MCP wrapper shape is not user-controllable from the agent runtime; the failure cannot be worked around within the MCP tool surface. Path:\n\n1. **Detect 5h** — `mcp__slack__conversations_add_message` returns `{\"error\":\"text must be a string\"}` with no `ok`\u002F`team` fields. Distinct from 5f (cross-workspace, `missing_scope`\u002F`not_in_channel`), 5g (same-workspace, `not_in_channel`), and 5d (token missing, `invalid_auth`). The bare error string is the fingerprint.\n2. **Do NOT retry the MCP call** with shorter\u002Fdifferent `text` content. The wrapper validation is non-deterministic across runs and retrying burns iteration budget without changing the outcome. Switch paths immediately.\n3. **Source the token per the Token-name pitfall below** — `SLACK_USER_TOKEN` (canonical SOUL.md name, lives in `~\u002F.profile` line 4) or `SLACK_MCP_XOXP_TOKEN` (lives in `~\u002F.bashrc` line 290). Both carry the same xoxp value.\n4. **Materialize the JSON via `write_file`** (per the durable pattern in `references\u002F2026-06-14-dropped-thread-followup-instance-13.md`) — the terminal wrapper in some runtimes rejects heredoc-style command bodies with `Foreground command uses '&' backgrounding` errors, so writing to `\u002Ftmp\u002Fslack-reply-\u003Cts>.json` first and using `--data-binary @\u003Cfile>` is the canonical shape.\n5. **Post via curl** with `xoxp-` token:\n   ```bash\n   curl -fsS -X POST \"https:\u002F\u002Fslack.com\u002Fapi\u002Fchat.postMessage\" \\\n     -H \"Authorization: Bearer $SLACK_USER_TOKEN\" \\\n     -H \"Content-Type: application\u002Fjson; charset=utf-8\" \\\n     --data-binary @\u002Ftmp\u002Fslack-reply-\u003Cts>.json\n   ```\n6. **Verify via `conversations_replies`** — new `MsgID` must have `ThreadTs == \u003Ccorrect_ts>` AND `UserID == U09GH5BR3QU` ($USER identity, since xoxp posts as the user).\n7. **Identity disclosure in post body** — the reply appears as `$USER`, not the hermes bot. Include a brief disclaimer in the post body if the identity switch might confuse readers: *\"(posted via $USER identity due to MCP wrapper `text must be a string` error)\"*.\n\n**Distinct from 5f and 5g:** both 5f and 5g are channel\u002Fworkspace membership issues that block all bot-token paths identically. 5h is a runtime wrapper-layer validation error that ONLY blocks the MCP path — the same payload works via direct HTTP curl. The diagnostic is the bare error string and the absence of `ok`\u002F`team` fields; the mitigation is identical (xoxp Path B curl), but the framing of the failure differs (runtime wrapper vs Slack API).\n\n**Why this matters as a class:** the MCP wrapper layer is not under the agent's control and the validation behavior is opaque. Any future agent that hits `{\"error\":\"text must be a string\"}` (or similar bare-error shapes without `ok`\u002F`team`) should treat the MCP path as broken for that payload and switch to Path B without retrying. The retry loop is the trap — the wrapper is deterministic on the same payload, and the agent will burn 5+ tool calls trying different `text` shapes before concluding the wrapper is broken. Path B is reachable in 1 curl call.\n\n**Bug-ref:** 2026-07-26, `C0AJQ5M0A0Y\u002F1784906714.446409` (Cron Backup Slack message catch-up). First reply attempt via `mcp__slack__conversations_add_message(channel_id=\"C0AJQ5M0A0Y\", thread_ts=\"1784906714.446409\", text=\u003C3-paragraph mrkdwn with newlines and `\u003C@U09GH5BR3QU>` mentions>) returned `{\"error\":\"text must be a string\"}`. Second reply attempt with the same payload via Path B curl using `SLACK_USER_TOKEN` from `~\u002F.profile` line 4 succeeded at `ts=1785119827.077019`, `ThreadTs=1784906714.446409`. Identity-disclosure line added in subsequent reply (`ts=1785119872.441179`). The `\u003C@U0AEZC7RX1Q>` Hermes-bot mention was stripped on display in the user's quote because the xoxp user identity cannot resolve the bot user mention the same way a bot-token post does — future alert-tagged posts that need the Hermes bot to wake up should use the bot-token Path B (with `HERMES_SLACK_BOT_TOKEN`) instead of xoxp when the MCP path is broken.\n\n## Durable Post Path (3 paths in priority order)\n\n> **Post-#29 priority (2026-06-14):** the primary path is now **Path C (gateway `send_message` 3-part `target=\"slack:CHAN:thread_ts\"`)** — see the Path C section below. Path A and Path B are **fallbacks** for when the gateway tool is unavailable or a fresh misroute is observed. The \"Path A preferred since 2026-06-09\" note below reflects the pre-#29 era when `send_message` was broken.\n\n### Path A — Slack MCP HTTP-direct (fallback; was preferred 2026-06-09 → pre-#29)\n\n```bash\n# 1) Initialize session, capture Mcp-Session-Id from response header\nSID=$(curl -sS -i -X POST http:\u002F\u002F127.0.0.1:8006\u002Fmcp \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -H \"Accept: application\u002Fjson, text\u002Fevent-stream\" \\\n  -d '{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"initialize\",\"params\":{\"protocolVersion\":\"2024-11-05\",\"capabilities\":{},\"clientInfo\":{\"name\":\"curl\",\"version\":\"0\"}}}' \\\n  | grep -i \"^mcp-session-id:\" | awk '{print $2}' | tr -d '\\r')\n\n# 2) Send notifications\u002Finitialized (HTTP 202 expected, no body)\ncurl -sS -X POST http:\u002F\u002F127.0.0.1:8006\u002Fmcp \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -H \"Accept: application\u002Fjson, text\u002Fevent-stream\" \\\n  -H \"Mcp-Session-Id: $SID\" \\\n  -d '{\"jsonrpc\":\"2.0\",\"method\":\"notifications\u002Finitialized\"}' \\\n  -o \u002Fdev\u002Fnull\n\n# 3) Post the message — INHERIT thread_ts from the incoming message\npython3 -c \"\nimport json\nprint(json.dumps({\n  'jsonrpc':'2.0','id':3,\n  'method':'tools\u002Fcall',\n  'params':{\n    'name':'conversations_add_message',\n    'arguments':{\n      'channel_id':'C0XXXXXXXX',\n      'thread_ts':'1234567890.123456',  # ← INHERIT from incoming, NOT the outgoing post ts\n      'content_type':'text\u002Fplain',      # avoids Block Kit fragmentation\n      'text': '...'\n    }\n  }\n}))\n\" > \u002Ftmp\u002Fpost.json\n\ncurl -sS -X POST http:\u002F\u002F127.0.0.1:8006\u002Fmcp \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -H \"Accept: application\u002Fjson, text\u002Fevent-stream\" \\\n  -H \"Mcp-Session-Id: $SID\" \\\n  --data-binary @\u002Ftmp\u002Fpost.json\n```\n\nThe MCP response returns a CSV header line, NOT the message ID. To confirm the post landed, use `mcp__slack__conversations_replies` and look for the new `MsgID` at the bottom.\n\n**CRITICAL: `thread_ts` must be the INCOMING message `thread_ts`.** If the incoming message has no `thread_ts` (top-level), use the incoming message own `ts`. This is enforced by SOUL rule `COMMIT: slack-reply-inherit-thread-ts`.\n\n### Path B — chat.postMessage with bot token (escape hatch)\n\nWhen the MCP server is down or refusing connections. Use `mrkdwn=False` to get plain text without Block Kit fragmentation:\n\n```bash\ncurl -sS -X POST https:\u002F\u002Fslack.com\u002Fapi\u002Fchat.postMessage \\\n  -H \"Authorization: Bearer $HERMES_SLACK_BOT_TOKEN\" \\\n  -H \"Content-Type: application\u002Fjson; charset=utf-8\" \\\n  -d '{\n    \"channel\":\"C0XXXXXXXX\",\n    \"thread_ts\":\"1234567890.123456\",\n    \"mrkdwn\":false,\n    \"text\":\"...\"\n  }'\n```\n\n`content_type` for the MCP layer accepts both `text\u002Fmarkdown` and `text\u002Fplain` (verified 2026-06-10, despite the schema documented enum of `text\u002Fmarkdown` only). Use `text\u002Fplain` for user-facing posts that contain emoji shortcodes or formatting that fragments in Block Kit — the 2026-06-09 \"formatting broken\" complaint was caused by `text\u002Fmarkdown` going through Block Kit `rich_text` parsing. The `chat.postMessage` fallback with `mrkdwn=False` (Path B) is only needed if you specifically want a real `ts` in the API response (the MCP path returns a CSV header instead).\n\n### Path C — gateway `send_message` 3-part form (PRIMARY since PR #29, 2026-06-14)\n\n**This is now the recommended primary path** for threaded replies. The historical breakage below predates the fix.\n\n- **3-part form** `target=slack:CHAN:thread_ts` — **WORKS as of [PR #29](https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fhermes-agent\u002Fpull\u002F29) (2026-06-14).** The gateway now honors `:thread_ts` and fails loud on mismatch. Use this as the default one-call path. *(Pre-#29 history: silently stripped `:thread_ts` and landed in the home channel — Failure 1, the bug #29 fixed.)*\n- **2-part form** `target=slack:CHAN` (no `:thread_ts`) — still **non-deterministic** for thread inheritance (*sometimes* threads, *sometimes* lands as a top-level orphan). Do not rely on it; always pass the explicit 3-part `:thread_ts`.\n\n**Recommended order:** (1) `send_message` 3-part `target=slack:CHAN:thread_ts` (primary, post-#29), (2) Path A (MCP HTTP-direct), (3) Path B (curl `chat.postMessage` with bot token) — fall to A\u002FB only if the gateway tool is unavailable or you observe a *fresh* misroute. Always verify with `conversations_replies`; if a 3-part post self-roots after #29, treat it as a regression and file it.\n\n**Pre-#29 verification record:** \"broken across 11 instances (2026-06-09 → 2026-06-13)\" — historical, applied before the fix. Retained as the investigation record, not current guidance.\n\n## Verifying a post landed correctly\n\n```python\n# mcp__slack__conversations_replies with the ORIGINAL thread_ts\n# The new message should appear at the bottom with ThreadTs == original thread_ts\n```\n\n**Pass criteria:** new `MsgID` row has `ThreadTs` matching the original thread `thread_ts`.\n\n**Fail criteria:** new `MsgID` row has `ThreadTs` equal to its own `MsgID` (self-rooted) — post-#29 this means either (a) Failure 5 (you posted with a *wrong* `thread_ts` from the session header — run step 0), or (b) a regression of the now-fixed `send_message` path (file a fresh gateway bead+GH issue). Pre-#29 it meant Failure 1 \u002F the gateway thread_ts-drop bug, which PR #29 has since fixed.\n\n## Anti-patterns to avoid\n\n- Do NOT spawn an agent session just to read\u002Fpost Slack. Use Slack MCP tools directly or Path A.\n- Do NOT call `mcp__slack__conversations_add_message` from runtime that does not surface it (Failure 2). The tool call will fail with a \"tool not found\" error; the gateway may then leak scratch while retrying.\n- Do NOT post plain text and then follow up with formatting. Pick `text\u002Fplain` (Path A or B) for the entire thread, or `text\u002Fmarkdown` (Path A only). Mixing causes Block Kit fragmentation.\n- Do NOT issue multiple curl calls separated by `echo \"---\"` or interactive commentary while probing. Each call risks Failure 3.\n- Do NOT trust the gateway `deliver=slack:chat_id` cron format for threaded delivery. Use `deliver=slack:chat_id:thread_ts` instead. The thread_id segment is what carries `thread_ts` into the cron job outgoing post.\n- Do NOT blindly trust `SLACK_USER_TOKEN` as the xoxp variable name OR its location — verified 2026-07-16 the canonical `~\u002F.bashrc` name is `SLACK_MCP_XOXP_TOKEN`; refreshed 2026-07-17 when a cron babysit found `SLACK_USER_TOKEN` IS valid but lives in `~\u002F.profile` (line 4), not `~\u002F.bashrc`. Always `grep -hi 'xoxp-' ~\u002F.bashrc ~\u002F.profile ~\u002F.bash_profile ~\u002F.zshrc` to confirm before extracting.\n\n## Support files\n\n- `scripts\u002Fslack_mcp_post.sh` — copy-pasteable bash script that bakes in the three lessons from this skill: (1) capture SID in one curl call, do not probe, (2) inherit `thread_ts` from the incoming message, (3) the MCP response is a CSV header, not a JSON-RPC result. Use this instead of hand-typing the curl pipeline each time. Args: `\u003Cchannel_id> \u003Cthread_ts> \u003Ctext-file>`. Exit 0 = post accepted by MCP, but you must still verify with `conversations_replies`.\n- `references\u002F2026-06-10-repro-vNU3-pcd-spread-instance-5.md` — 5th confirmed instance of the 3-part form mis-route. Worked example of a 2-part `target=slack:CHAN` recovery (no thread_ts) that happened to work, but with 3-4 leaked meta-reasoning messages as collateral. The 2nd-derivative lesson: do not retry send_message with different target formats once you see the home-channel fallback — switch to curl on the second attempt, not the third.\n- `references\u002F2026-06-10-wa-2289-godmode-l6-instance-4.md` — 4th confirmed instance of the 3-part form mis-route (this session). Worked example of a clean Path B recovery with no scratch-leak. Read this if you want the \"smallest possible clean recovery\" recipe; read `references\u002F2026-06-10-dropped-thread-followup.md` for the more chaotic instances with scratch-leaks.\n- `references\u002F2026-06-13-stale-fix-callback-instance-11.md` — 11th confirmed instance and **first time the user explicitly invoked a prior fix as an expectation of resolution** (\"We should not be replying here I thought we fixed the issue?\"). Documents the recovery recipe (`HERMES_SLACK_BOT_TOKEN` sourced from `~\u002F.bashrc`, not runtime env) and the two micro-lessons embedded: (1) `gh issue create --label` does NOT validate label existence — always `gh label list` first; (2) `br comments add \u003Cid> \"text\"` uses positional args, not `--body`. Read this when the user signals \"I thought this was fixed\" — the next action is **file a bead + GH issue for the gateway patch**, not another workaround.\n- `references\u002F2026-06-13-another-example-instance-12.md` — 12th instance. User sends a Slack link to **the bot own broken orphan** as proof of the bug (Failure 1 + Failure 4 combo). The right reply target is the orphan itself (make it the parent of the answer), NOT a new top-level. Documents the \"two distinct bugs\" disambiguation (PR #27 vs issue #684), the live-verify snippet for `which hermes` → venv → `gateway\u002Frun.py:14681`, and the rule against adding a 12th SOUL rule when the user signals \"I thought we fixed this.\"\n- `references\u002F2026-06-14-dropped-thread-followup-instance-13.md` — 13th instance AND 4th dropped-thread followup write-up. C0AJ3SD5C79 health-guardian false positive, 3rd recurrence of the same alert. Documents the **`launchctl list | grep \u003Clabel>` PID-column unreliability** (the PID slot shows the most-recently-run PID, not \"currently running\" — verified when `launchctl list | grep hermes-watchdog` returned `1372` for `mem-watchdog.sh` instead). The reliable diagnostic is **read the log file directly** (mtime + content) and verify the listening port independently. Also documents the **`write_file`-then-`curl` Path B pattern** as the durable shape when the terminal wrapper rejects heredoc (`Foreground command uses '&' backgrounding` error) — `write_file` to materialize the JSON, then `curl --data-binary @\u003Cfile>`. Read this when investigating a watchdog-related alert via launchd AND when Path B recovery fails on heredoc shape.\n- `references\u002F2026-06-14-wrong-thread-ts-context-instance-15.md` — 15th instance. **Failure 5 (wrong `thread_ts` from session context header)** — the runtime `Source: Slack (group: \u003Cchan>, thread: \u003Cts>)` header pointed at a HERMES-bot prior self-message (`1781394553.470139`) instead of the user actual thread (`1781438429.863329`). Agent posted via Path B curl with the wrong `thread_ts`, got 2 orphans in channel root, recovered by querying `conversations_history` to find the correct thread. Self-correction transparency section was added to the corrected reply in the same message. **Read this before composing any Slack reply**: the pre-flight `conversations_history(channel_id, limit=5)` step is required to derive the correct `thread_ts` from the user most recent message, not from the session context header.\n- `references\u002Ffail-loud-on-absent-echo.md` — **class-level technique**, not a per-instance write-up. The \"ok=True but no echoed field\" silent-success pattern that produced the 10+ AO #684 misroutes is a class of bug that recurs across many APIs (GitHub Issues, Google Calendar, Stripe webhooks, etc.), not just Slack. Documents the fail-loud recipe (verify the response echoes the field you asked to be set, return an error result if not, name both the request and the outcome in the error) and the test shape that catches it. Read this when designing or reviewing any client that calls an external API with an optional \"set field X\" argument — the bug shape is universal.\n- `references\u002F2026-07-23-thinking-trace-leak-failure-4-instance-17.md` — 17th instance of Failure 4 (tool-call narration leak). User asked a real diagnostic question in `C0ALSKLU9KM\u002Fp1784792447.282019` (\"Is AO actually working? Look at slack history and see if these AO dispatches ever finished their work\"). The Hermes session then leaked **16 raw internal-thinking blocks + tool stdout** as separate Slack messages in the thread BEFORE posting the actual structured answer. Specific phrases that leaked verbatim (matching the Failure 4 signature list): *\"I see. Skill views are failing due to a daemon threadpool error. Let me pivot…\"*, *\"OK, now I see the picture clearly…\"*, *\"Now I have the real picture…\"*, *\"Got the picture…\"*, *\"Damn — my session posted a terminal-output message right before the structured reply…\"*. The actual answer landed at `ts 1784843035.200859`; the apology + pointer followed at `ts 1784843093.781899`. **This is the largest single-session thinking-trace leak on record** — the prior worst was 7 narration posts on the 2026-06-11 dropped-thread redrive. **New lesson: every Slack reply in a non-trivial session must compose the entire response body BEFORE the first `send_message` call** — every intermediate tool call between user question and final reply has a non-trivial probability of being broadcast to the user thread, especially when terminal\u002Fpython heredoc output is in the trace. **Read this whenever a session has produced >3 tool calls before the planned Slack reply** — that's the early-warning signal that the next tool result will leak as a Slack message.\n\n## Related skills\n\n- `recurring-job-notifications` — for scheduled launchd\u002Fcron jobs that need to\n  send Gmail + Slack on success AND error. Includes the channel-membership\n  reality table (bot in #life \u002F #all-$USER-ai but NOT in #ai-general),\n  the gog gmail send pattern, the ERR trap-based failure alerts, and three\n  recurring-shell-script bugs (`slack_post_message | tee` swallow,\n  `find -newermt @\u003Cepoch>` BSD silent-fail, `[[ -z \"$X\" ]] && X=0` ERR\n  trap false-positive). Read this skill before wiring notifications onto any\n  new scheduled job.\n- `slack-mcp-mail-bot-reinstall` — re-invite the bot to a channel, fix scope\n  gaps, repair the Slack side of MCP Agent Mail.\n\nWhen the user says \"out of thread\" or \"did you fix the Slack bug?\", there are **two separate failure modes** that look like the same bug. **Do not conflate them.** The merged PR and the open issue are in different repos and address different code paths.\n\n| | Bug A: channel-root leak on context compression | Bug B: `send_message` strips `:thread_ts` from 3-part `target` |\n|---|---|---|\n| **PR\u002Fissue** | `jleechanorg\u002Fhermes-agent#27` MERGED 2026-06-12 (`f4841cc3`) | `jleechanorg\u002Fagent-orchestrator-ts#684` — fixed by `jleechanorg\u002Fhermes-agent#29` MERGED 2026-06-14 (`04f82afa3`) |\n| **Repo** | `jleechanorg\u002Fhermes-agent` (the upstream gateway fork) | fix landed in `jleechanorg\u002Fhermes-agent` (`tools\u002Fsend_message_tool.py`); issue tracked under `agent-orchestrator` |\n| **Symptom** | During a long run, after context compression, the bot `chat.postMessage` lands at channel root (`thread_ts=None`) instead of threading under the user original message | The `send_message` tool `target=slack:CHAN:thread_ts` form silently stripped the `:thread_ts` segment and fell back to either the home channel `C0AJQ5M0A0Y` or top-level orphan in the target channel |\n| **Fix mechanism** | `_status_thread_metadata` now carries the Slack reply-anchor `thread_id` through the queued-follow-up \u002F stream-consumer path (`gateway\u002Frun.py` line 14681 region) | PR #29: `_SLACK_TARGET_RE` widened to capture `:thread_ts`, `_parse_target_ref`\u002F`_send_slack` forward it into the payload, fail-loud on echo mismatch |\n| **Live status** | **IS running** — verify with `grep -n \"_status_thread_metadata\" $HOME\u002Fprojects_other\u002Fhermes-agent\u002Fgateway\u002Frun.py` (5+ hits expected) | **FIXED & deployed** — verify with `grep -n \"_SLACK_TARGET_RE\\|thread_ts\" $HOME\u002Fprojects_other\u002Fhermes-agent\u002Ftools\u002Fsend_message_tool.py`. The 3-part `send_message` form is now the primary path; Path A\u002FB remain as fallbacks |\n\n**When the user asks \"is the Slack out-of-thread bug fixed?\":**\n- If they mean \"during long runs, sometimes the bot reply goes to channel root\" → **YES, PR #27 fixed it. Verify with the grep above before claiming.**\n- If they mean \"the bot reply to my message just went to the wrong place\" → **As of 2026-06-14, PR #29 fixed the `send_message` thread_ts-drop (issue #684). The 3-part `target=slack:CHAN:thread_ts` form now threads correctly.** If you still see a misroute via that form post-#29, it is a *regression* — file a fresh gateway bead+GH issue. (Older notes about `$USER-k5z` \u002F a stale \"can be closed\" comment on #684 are obsolete now that #29 has landed.)\n- If they mean \"the bot posted to a totally unrelated thread \u002F a HERMES-bot self-message\" → that is Failure 5, not issue #684. The fix is the agent pre-flight `conversations_history` step in the Action plan above, not a gateway patch.\n- If unclear: ask which symptom they saw, do not conflate.\n\n## Reply target rule when the user sends a broken post as evidence\n\nWhen the user question includes a Slack link to a *broken bot post* (an orphan with `thread_ts=None` or `thread_ts == ts`), the right reply target is **the broken post itself**, not a new top-level message. Reply with `thread_ts=orphan.ts` via Path B curl so the orphan becomes the parent of the actual diagnosis — the thread is then self-documenting for future Slack searches.\n\n| User question shape | Right reply target | Wrong reply target |\n|---|---|---|\n| *\"Why are replies still going out of thread?\"* + Slack link to broken bot orphan | That orphan (`thread_ts=orphan.ts`) | A new top-level channel message (becomes a 3rd orphan) |\n| *\"You posted in the wrong thread\"* | The intended parent thread (use the `thread_ts` the user is pointing at) | The broken post (adds noise to the wrong conversation) |\n| *\"Why is the bot narration leaking?\"* | The same thread the user is in | A new thread |\n| *\"Status on...\"* (any direct question) | The thread the user is currently in — **verify with `conversations_history(limit=5)` first**, do NOT trust the session context header `thread` field | The thread_ts from the session context header (Failure 5: may be a HERMES-bot prior self-message, a different user question, or a stale thread) |\n\n**When in doubt about the right `thread_ts`:** the `mcp__slack__conversations_history(channel_id=\u003Cchan>, limit=5)` call returns the most recent 5-10 messages in the channel. The user question is the row with `UserName=$USER` (or whoever the human is in this context). Use that row `ThreadTs` (if it is a reply) or its own `Ts` (if top-level) as the reply target. This pre-flight is Failure 5 mitigation and is now required, not optional.\n\n## Patches \u002F known followups\n\n> **Marker — 2026-06-14 21:57Z:** [hermes-agent PR #29](https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fhermes-agent\u002Fpull\u002F29) fixed the `send_message` thread_ts-drop bug (Failure 1). **Every changelog entry below this line dated before 2026-06-14 21:57Z predates that fix** and describes the pre-#29 broken behavior. Read them as the investigation record, not as current guidance — the 3-part `send_message target=\"slack:CHAN:thread_ts\"` form now works. The still-open mode is Failure 5 (wrong `thread_ts` from the session header), which #29 does not address.\n\n- 2026-07-17 (jleechanorg\u002Fjleechanclaw PR #786 babysit cron `59e6e2f5dda0` tick #1, `C0AKYEY48GM\u002F1784256036.015239`): **Failure 5g + `SLACK_USER_TOKEN` in `~\u002F.profile` + Python-subprocess sourcing divergence verified together**. The v2.5.7 babysit cron recipe from `drive-pr-to-green` ran successfully end-to-end on tick #1 — except for the Slack post, which hit 5g on the originating thread (`mcp__slack__conversations_add_message` returned `not_in_channel` for `C0AKYEY48GM`). Path B recovery worked once `SLACK_USER_TOKEN` was sourced from `~\u002F.profile` via explicit `source ~\u002F.profile 2>\u002Fdev\u002Fnull` inside a `subprocess.run(['bash','-c',...])` call. First attempt `bash -lc 'echo $SLACK_USER_TOKEN'` returned length 0 because Python `subprocess.run` does NOT inherit the login-shell rc-file chain from the parent terminal — the parent (hermes-agent gateway) is non-interactive, so the `.bash_profile` → `.bashrc` → `.profile` chain does not propagate. Verified the bot-id-vs-user-id distinction on the resulting post: `ts=1784335981.616639` posted as `U09GH5BR3QU` ($USER), NOT as `B0BGY53L8N8` (hermes bot). Cron left enabled; next tick at 17:50:39 PT. **Combined lesson**: any babysit cron that needs to post its poll-status update to the originating Slack thread from inside `hermes cron run` must follow the xoxp extraction recipe above (`source ~\u002F.profile` inside the Python `subprocess.run` call). The pattern is now: GraphQL `gh pr view` → REST `gh api` (v2.5.5 fallback) → MCP `conversations_add_message` → xoxp curl `chat.postMessage` (this skill's Path B with xoxp). Future babysit cron prompts that include a \"post poll status to thread\" step should bake this 4-tier fallback into the prompt body, not leave the LLM to re-derive it each tick.\n\n- 2026-07-16 (cron backup `?` placeholders diagnostic, `C0AJQ5M0A0Y\u002F1784215507.433759`): **Failure 5g (bot not invited to channel in home workspace) + token-name pitfall**. `mcp__slack__conversations_add_message` returned `not_in_channel` even though channel `C0AJQ5M0A0Y` IS in home workspace `T09FXQ4LCQP` — same error code as 5f but different root cause (bot not invited to channel vs token scoped to different workspace). Initial token extraction `grep SLACK_USER_TOKEN ~\u002F.bashrc` returned length 0 (the var does not exist) — second `grep -h -i 'SLACK.*TOKEN' ~\u002F.bashrc` revealed the real name is `SLACK_MCP_XOXP_TOKEN` (line 290, 80 chars, prefix `[REDACTED_SLACK_TOKEN]`). Curl Path B with extracted token succeeded at `ts=1784215712.918349`, posted as `U09GH5BR3QU` via \"MCP Agent Mail\" bot identity, threaded correctly under `1784215507.433759`. Confirms that `SLACK_USER_TOKEN` (the var named in this skill prior section + SOUL.md `slack-cross-workspace-fallback-xoxp`) is documentation drift — actual variable is `SLACK_MCP_XOXP_TOKEN`. Future agents: always grep `~\u002F.bashrc` for the real var name before extracting; never trust the docs alone.\n- 2026-06-14: **PR #29 merged** — gateway `send_message` honors `:thread_ts` (3-part target) and fails loud on echo mismatch. Failure 1 resolved at code level. This skill updated: STATUS UPDATE banner added, framing\u002Faction-plan\u002FPath C\u002FFailure 1\u002Fverify sections corrected to make the 3-part form the primary path and Path A\u002FB the fallbacks. Failure 5 retained as the remaining open mode.\n- 2026-06-09: SOUL.md gained `COMMIT: slack-reply-inherit-thread-ts`.\n- 2026-06-09: `test_post_via_slack_api_raises_without_token` patched to strip both `HERMES_SLACK_BOT_TOKEN` AND `SLACK_BOT_TOKEN` (the function falls back to the latter).\n- 2026-06-10: Failure 3 (scratch-leak during probing) added after 5 bot-debug lines leaked into the broken sibling thread before the durable path was found.\n- 2026-06-10: Skill restored to staging `~\u002F.hermes\u002Fskills\u002Fdevops\u002F...` (was previously prod-only). Deploy via `~\u002F.hermes\u002Fscripts\u002Fdeploy.sh --system hermes` if you change it again.\n- 2026-06-11: Re-audit caught the 2026-06-10 staging-copy claim was a lie. The skill was prod-only at 04:50 PT. Copied with `cp -R ~\u002F.hermes_prod\u002Fskills\u002Fdevops\u002Fslack-thread-routing-investigation ~\u002F.hermes\u002Fskills\u002Fdevops\u002F` and verified the staging tree exists. Lesson: re-run `ls ~\u002F.hermes\u002Fskills\u002Fdevops\u002F\u003Cname>` in the same turn as the \"staging is present\" claim, never trust a prior turn word. Pair this with the \"claim without re-verification\" anti-pattern in `skills\u002Fskillify\u002FSKILL.md` lines 180-196.\n- 2026-06-11: `_learn\u002Fslack-mcp-routing-loop-2026-06-09-to-2026-06-11.md` written. 7 lessons captured, 6 durable artifacts verified in same turn, 3 open followups (PR 7397 A\u002FB\u002FC, harness-gap bead, cron config blocker).\n- 2026-06-10: `scripts\u002Fslack_mcp_post.sh` added so future agents do not re-discover the scratch-leak path by hand-typing curl pipelines.\n- 2026-06-10 (jleechanclaw dropped-thread followup, `C09GRLXF9GR\u002F1781036022.101969`, AIPulse install): `target=slack:C09GRLXF9GR:1781036022.101969` again silently stripped to home `C0AJQ5M0A0Y` as a top-level message. Tool result said `\"chat_id\":\"C0AJQ5M0A0Y\"`. This is the **third** confirmed instance across two distinct user channels (C0AH3RY3DK6 and C09GRLXF9GR) — the strip is universal, not channel-specific. The one-shot curl recovery worked: write JSON via heredoc to `\u002Ftmp\u002Fslack-reply.json`, `curl --data-binary @\u002Ftmp\u002Fslack-reply.json` to `chat.postMessage` with explicit `channel` + `thread_ts`, then `conversations_replies` to verify. **When the mis-route is caught on the FIRST send_message call (no preceding scratch-leak yet), the curl recovery is 1 post + 1 verify, no delete needed** — do not over-apply the 3-step recovery from the slack-messaging skill if there is only one duplicate. The skill full recovery recipe (post + delete duplicates) is for when multiple `send_message` calls already polluted the thread.\n- Open: a harness gap bead should be filed for Failure 2 — `conversations_add_message` should be surfaced to the agent runtime like the read-only tools are.\n- Open: this skill overlaps with `devops\u002Fslack-messaging` (which covers the MCP HTTP transport as Method 3 and the `send_message` self-rooting pitfall). Future curator pass should consolidate — the `slack-thread-routing-investigation` framing of \"three failure modes + three post paths\" is the more durable abstraction; `slack-messaging` is the broader \"all the ways to post to Slack\" reference.\n- 2026-06-10 (wa-2289 godmode-l6 dispatch ack, `C09GRLXF9GR\u002F1781139255.231799`): 4th confirmed instance of `target=slack:CHAN:THREAD_TS` falling back to home `C0AJQ5M0A0Y`. Recovery was the canonical Path B curl recipe in 1 post + 1 `chat.delete` (no preceding scratch-leak because it was the first `send_message` attempt, not a probe). Curl landed in-thread with explicit `channel`+`thread_ts`, verified via `conversations_replies`. The 3-part form mis-route is now confirmed universal across C0AH3RY3DK6, C09GRLXF9GR, and the `C0AJQ5M0A0Y` home fallback — it is the gateway default behavior, not a per-channel quirk. Micro-lesson for future agents: even with this skill loaded, the 3-part form is what most agents reach for first because it matches the cron `deliver` syntax — \"always verify post landed in the right thread\" is now load-bearing, not optional. Worked example at `references\u002F2026-06-10-wa-2289-godmode-l6-instance-4.md`.\n- 2026-06-10 (\u002Frepro vNU3AAXHd9N7adqWSM2p PCD-schema-spread, `C0AH3RY3DK6\u002F1781159702.086799`): 5th confirmed instance. Reached for `target=slack:C0AH3RY3DK6:1781159702.086799` first (matches cron `deliver` syntax). Tool result said `chat_id=C0AJQ5M0A0Y` (home), `mirrored=true`. Reissued as `target=slack:C0AH3RY3DK6` (2-part, no `:thread_ts`) — landed in-thread correctly (verified via `conversations_replies`, the real answer is at `1781160794.071969` with `ThreadTs=1781159702.086799`). **But the 2-part form also leaked 3-4 meta-reasoning messages into the thread first** (\"send_message is defaulting to home channel\", \"let me try without the colon format\"). The lesson compounds: **(1) 2-part `target=slack:CHAN` is the working pattern**, **(2) once the mis-route is caught on the FIRST send_message call (no preceding scratch-leak from MCP probing), the curl recovery is the canonical 1 post + 1 verify — do NOT issue additional `send_message` calls trying different `target` formats to \"fix\" it, because each one adds another message to the thread**. The recovery is **stop calling send_message, switch to Path A or B curl, post once, verify**. The 2-part form worked, but only because the user is tolerant of the meta-noise interleaved with the answer. Future agents: when you see the home-channel fallback happen, your next action is **Path A curl**, not another `send_message` with a different target.\n- 2026-06-12 (issue #7493 freeform-finish-flags, `C0AH3RY3DK6\u002F1781245531.199269`): **8th confirmed instance** of Failure 4. Routine ack: file issue, dispatch AO, set 5-min progress cron, reply in thread. Tool sequence was ~10 calls (audit in-flight state, file GH issue, write bead, commit+push bead, stash unrelated WIP, rebase, push, prepare worktree, spawn AO, set cron, reply). The \"Progress cron is set\" + 2 prior \"Wait I made an error\" \u002F \"Actually re-reading\" narration posts leaked into the thread before the final structured reply. Recovery: one raw HTTP `chat.postMessage` via curl with `HERMES_SLACK_BOT_TOKEN`, JSON body with explicit `channel`+`thread_ts`+`text`, verified at `ts 1781289126.597899` with correct `ThreadTs`. Lesson: the \"compose entire reply before first send_message\" rule is necessary but not sufficient — if the prior investigation requires >5 tool calls, the runtime has already emitted narration text blocks that the gateway will serialize. The Path A\u002FB raw HTTP recovery should be the **first** post, not the last resort, whenever the investigation has been non-trivial. Added the \"Action plan (the only durable cure)\" section to the top of this skill to encode this directly.\n- 2026-06-12 (issue #7493): also caught the **PR #7357 open-but-not-merged trap** — the user said \"Thought this was fixed?\" referring to PR #7357 (branch `fix\u002Flevel-up-in-progress-clear-2026-06-08`, opened 2026-06-08, 4 days stale, never merged). The redrive checklist in the `\u002Frepro` skill caught it: pre-existing PR + branch + open issue ≠ merged fix. Routed to a fresh two-track plan (one PR for prompt, one AO spawn for fastembed) instead of pretending the open PR was live. See `repro` skill redrive section.\n- 2026-06-11 (\u002Frepro YvboJzmcrLs61gWViILT dropped-thread redrive, `C0AH3RY3DK6\u002F1781050052.553639`): 6th confirmed instance + **new Failure 4 (tool-call narration leak)** documented. The investigation itself went smoothly — pre-flight caught the existing issue #7417, branch, worktree, bead. But the runtime leaked 7 narration posts (ts 1781210775\u002F792\u002F813\u002F834\u002F866\u002F944\u002F958\u002F986\u002F996) and 2 home-channel top-level posts (ts 1781210904.095429 \u002F .120849) into the same thread over a single dropped-thread reply. Pattern: the runtime emits text between tool calls, the gateway serializes each text block as a separate `chat.postMessage`, and the final `send_message` \"wins\" but the 5-7 preceding narration posts are siblings in the same thread. Confirmed as a distinct failure mode (correctly threaded, just too many of them). Documented as Failure 4 above. **Practical lesson: the runtime should compose the entire final reply BEFORE the first `send_message` call, and verification via `conversations_replies` should be the LAST action of the turn** — every intermediate step (re-reading the issue, checking the worktree, etc.) after the first `send_message` risks another narration leak. Verified: 1 final reply + 1 verify = 2 new posts in the thread, which is acceptable; 1 final reply + N intermediate tool calls = N+1 new posts, which is what we saw here.\n- 2026-06-13 (`\u002Fclaw` ack for PR #7198 retention, `C0AH3RY3DK6\u002F1781329372.566149`): **9th confirmed instance** of the mis-route + a refinement of Path C. I reached for `send_message target=slack:C0AH3RY3DK6` (2-part, no `:thread_ts`) thinking the documented \"2-part form threads correctly but leaks narration\" caveat was the only tradeoff. Result: a **clean 1-post** reply that landed as a **top-level orphan** (`ThreadTs` empty), not in-thread. The skill prior 2026-06-10 vNU3 entry said the 2-part form \"happened to work\" for that instance — turns out that is not reliable across runs. The honest summary of `send_message` Slack path is now: **NEVER trust it for threaded delivery**. Both 3-part (`slack:CHAN:thread_ts`) and 2-part (`slack:CHAN`) forms can land top-level. Always verify with `conversations_replies` immediately after, and if `ThreadTs` is empty, delete via `chat.delete` and repost via Path A (MCP HTTP) or Path B (curl `chat.postMessage`). Recovery recipe worked: `chat.delete` on the orphan (got `ok:true`), then curl `chat.postMessage` with `channel`+`thread_ts`+`text` in JSON, verified `ThreadTs=1781329372.566149` on the new ts `1781329576.659109`. Net cost: 1 orphan + 1 delete + 1 in-thread post = 2 Slack writes, no narration leak because I composed the entire reply in the heredoc before the curl call. Updated the Path C section to read \"DO NOT USE for threaded replies — both forms can land top-level\" instead of the prior \"use only for top-level channel messages\".\n- 2026-06-13 (User callback \"we thought we fixed this?\", `C0AJQ5M0A0Y\u002F1781384270.728329`): **11th confirmed instance** + **first user signal that the agent-side mitigation is insufficient**. A deep review of a private architecture-review doc was posted via `send_message` to `C0AJQ5M0A0Y` as a self-rooted top-level orphan (TS `1781384270.728329`, `ThreadTs == MsgID`) instead of threading under the user architecture-review conversation. User replied: *\"We should not be replying here I thought we fixed the issue?\"* That phrasing is the **canonical \"the workaround has stopped feeling like a fix\" signal** — it means the user remembers the prior patch (the 2026-06-09 SOUL rule) and expects the next instance to not recur. The right response is **not** to apologize and reach for Path A\u002FB silently; it is to (1) acknowledge the gateway-bug framing, (2) recover the current session via Path B, then (3) **file a bead + GH issue for the gateway patch**. Recovery worked: curl `chat.postMessage` with `HERMES_SLACK_BOT_TOKEN` sourced from `~\u002F.bashrc` (NOT in runtime env, must `bash -c 'source ~\u002F.bashrc && echo $HERMES_SLACK_BOT_TOKEN'` first), JSON body with explicit `channel`+`thread_ts`+`mrkdwn:false`+`text`, verified at `ts 1781384946.008329` with `ThreadTs=1781384270.728329` (correctly threaded). 3 narration siblings leaked (TS `1781384926\u002F934\u002F945`) before the final reply — gray-zone count per the \"1-2 acceptable, 5+ post cleanup\" rule. Bead `$USER-88x` filed in a private project `.beads`; GH issue https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fagent-orchestrator-ts\u002Fissues\u002F684 filed against the gateway owner with labels=[bug, P2, fragility-fix]. The agent-side SOUL rule is now joined by a real **gateway-side** fix request. The lesson: when a user says \"I thought we fixed this?\", the next action is **file the durable fix for the underlying bug, do not add another workaround**. See `references\u002F2026-06-13-stale-fix-callback-instance-11.md` for the full transcript and the `gh label list` discovery (the agent-orchestrator repo does NOT have a `gateway` or `slack` label — only `bug`, `P0\u002FP1\u002FP2`, `fragility-fix`, `documentation`, `enhancement`, etc.; always `gh label list \u003Crepo>` before `--label` in `gh issue create`).\n\n- 2026-06-13 (PR #7480 bring-to-green dispatch ack, `C0B9W8D609M\u002F1781338930.938689`): **10th confirmed instance** of the 3-part `target=slack:CHAN:thread_ts` form mis-routing to the home channel `C0AJQ5M0A0Y` as a top-level message. The `send_message` action tool result said `chat_id=C0AJQ5M0A0Y` and `mirrored=true` — same signature as the prior 9 instances. Recovery was a textbook Path B: compose the entire dispatch-ack reply in a heredoc, write to a shell variable, then a single `curl -sS -X POST https:\u002F\u002Fslack.com\u002Fapi\u002Fchat.postMessage` with `channel`+`thread_ts`+`text` in JSON, verified via `conversations_replies` at `ts 1781339404.172619` with `ThreadTs=1781338930.938689` (correctly threaded). The 10-instance milestone reinforces the \"Path A or B, never send_message\" rule. **Worth noting**: the gateway `send_message` Slack path was reused for the dispatch ack because the Slack MCP server at `127.0.0.1:8006` only surfaces read tools (`conversations_history`, `conversations_replies`, etc.) — Path A (MCP HTTP-direct to `conversations_add_message`) was not directly callable from the runtime. The fallback ladder in order is: (1) MCP HTTP-direct (Path A, when the tool is registered server-side even if not surfaced), (2) curl `chat.postMessage` with bot token (Path B, universal), (3) **never** `send_message` for threaded delivery (Path C, broken).\n- 2026-06-12 (dropped-thread followup on `C09GRLXF9GR\u002F1781118730.141049` \"ai.hermes.gateway plist not running\"): **7th confirmed instance** of Failure 4 — a routine dropped-thread re-nudge on a previously-diagnosed false-positive alert produced **~10 narration posts** in the thread before the curl `chat.postMessage` recovery finally landed at `ts 1781267746.443309`. The pattern is the same as the prior 5 instances, but the alert was special in two ways: (a) **it was the 4th dropped-thread followup of the SAME alert** (2026-06-10 x2, 2026-06-11 x1, 2026-06-12 x1) — each prior session re-diagnosed the false positive, re-presented a 3-option menu, and the user never picked; the thread accumulated new dropped-thread pings because nothing advanced; (b) **the investigation crossed into a third hosting platform** — Slack MCP `conversations_replies` (read), `terminal` (state probe), and `chat.postMessage` (final write) all fired in the same turn, each adding 1-3 narration leaks between tool calls. The new lesson is the **\"advance state on Nth recurrence\" rule**: when the SAME dropped-thread has been re-investigated 3+ times and the diagnosis is identical every time, do NOT re-diagnose. Load the prior session_search result, confirm the diagnosis, and go straight to a **single yes\u002Fno decision** with the recommended fix as the default. The 3-option menu is the trap; the user already did not pick it 3 times. A 1-line \"is the alert source external or local?\" decision (with a clear default + proof) is the move that advances state. Verified recovery at `ts 1781267746.443309` — final reply landed correctly in-thread, but the 10 preceding narration siblings are visible to the user. The narration-leak prevention in this case is **investigation shape**, not routing shape: the entire investigation could have been 1 `session_search` + 1 `curl` post + 1 verify = 3 tool calls, not the ~15 that actually ran.\n- 2026-06-13 (User callback \"is this issue fixed yet?\", `C0AKYEY48GM\u002F1781352534971159`): **\"fix is merged, but is it live?\" session** — the question that triggered `~\u002F.hermes_prod\u002Fskills\u002Fhermes-deploy-pipeline\u002Freferences\u002Ffind-actually-running-source.md` to be written. The user pointed at PR #27 (`f4841cc3` in `jleechanorg\u002Fhermes-agent` main) and asked \"is this fixed yet?\" Following the umbrella `hermes-deploy-pipeline` skill \"write to `~\u002F.hermes\u002F`\" rule would have been **wrong** — the live gateway is the pip-installed editable package at `~\u002Fprojects_other\u002Fhermes-agent\u002F`, not the `~\u002F.hermes\u002F` git checkout. The 5-step probe (`which hermes` → `ps aux` → `pip3 show` → `git log` in installed source → `git diff` against upstream PR) showed the local source HEAD `42aff5b47` is a squashed-but-content-identical version of upstream `f4841cc3` (empty `git diff` on the two fix files). The \"deploy\" was a no-op — the fix had been live for some time. The user then said \"Deploy it and continue original requested work,\" which surfaced a **second** non-obvious finding: the post-#7525 rebase+push plan for #7518 and #7480 was already partly stale (#7480 merged before #7525; #7518 in a half-finished cherry-pick state with `roadmap\u002FREADME.md` conflicts and a `$PROJECT_ROOT\u002Ftests` change staged that gate-6 regex matches). Subagent delegate_task was used to advance the rebase+push lane in parallel while the deploy ran inline — per the \"parallel: keep research subagents running\" preference. New lesson: **never assume a single \"deploy\" command is enough**; the \"what is live\" probe must be run before any deploy claim, and the staging\u002Fprod assumptions in this skill were wrong for Hermes Agent core code. See `~\u002F.hermes_prod\u002Fskills\u002Fhermes-deploy-pipeline\u002Freferences\u002Ffind-actually-running-source.md` for the full probe recipe.\n- 2026-06-13 (PR #7524 bring-to-green dispatch ack, `C0AH3RY3DK6\u002F1781394564.558259`): one of the 3-part `target=slack:CHAN:thread_ts` mis-route instances in the wa-2346\u002FPR-7524 dispatch. Recovery was textbook Path B with `HERMES_SLACK_BOT_TOKEN` sourced from `~\u002F.bashrc`. Full 12th-instance write-up with the \"user sends broken bot orphan as proof\" framing lives at `references\u002F2026-06-13-another-example-instance-12.md` — read THAT, not this paragraph, for the lessons. The single-sentence summary here is just to preserve the ts+channel so the file is searchable.\n- 2026-07-23 (AO Progress Report daily thread, `C0ALSKLU9KM\u002F1784792447.282019`): **17th confirmed instance of Failure 4** AND the largest single-session thinking-trace leak on record. User asked a real diagnostic question (\"Is AO actually working?\" + \"AO workers never report back\"). The Hermes session ran ~25 tool calls before composing the final reply, leaking 16 raw internal-thinking blocks + tool stdout as separate Slack messages in the thread (`ts 1784842162` through `1784843052`). The structured answer landed at `ts 1784843035.200859`; apology + cleanup pointer at `ts 1784843093.781899`. Phrases leaked verbatim (matching the Failure 4 signature list): \"Now I have the real picture…\", \"Let me check the GitHub check state…\", \"Damn — my session posted a terminal-output message right before the structured reply…\". Beads filed: `orch-13e6` (Slack bridge leaks thinking\u002Fstdout), `orch-1oli` (MCP Mail \"AO Progress Report\" fabricates `wa-NNNN` IDs). **New heuristic**: if the session has produced >3 tool calls before the planned Slack reply, treat the next tool result as likely to leak as a Slack message — corrective action is to STOP the investigation, dispatch remaining research via `delegate_task` subagents (results don't bubble to Slack), and compose the reply only after all subagents return. Full transcript + corrective shape at `references\u002F2026-07-23-thinking-trace-leak-failure-4-instance-17.md`.\n\n- 2026-06-14 (`C0AH3RY3DK6\u002F1781291497.121039` \"double check the report in this email is it realistic\"): **14th confirmed instance** of the 3-part `target=slack:CHAN:thread_ts` mis-route. A 2-day-old dropped-thread followup asked for a cost-report verification on the email referenced in the original Slack attachment. The recovery followed the \"deliver the analysis in the response body, accept the home-channel post as collateral\" pattern: full verdict posted in the response text (visible to the user inline), `send_message target=slack:C0AH3RY3DK6:1781291497.121039` fell back to home channel `C0AJQ5M0A0Y` per the universal mis-route, the home-channel post at `1781460944.844719` is acceptable because (a) the user reads the verdict in the response, not in the Slack thread, and (b) the original thread cost report remains the source of truth. **The new lesson for 14th instance**: when the dropped thread is a \"verify an artifact\" question and the agent analysis can stand on its own in the response body, the home-channel-fallback is acceptable collateral — the user is more likely to find the analysis by re-reading the response than by re-reading the thread. Switch to Path A\u002FB curl only when the thread *itself* is the user-facing surface (e.g. a status update that other agents will read later). Documented in `dropped-messages` → \"double check the report in this email is it realistic\" as the canonical recovery shape for this class of followup.\n- 2026-06-14 (user callback \"Status on our of thread replies\", `C0AH3RY3DK6\u002F1781438429.863329`): **15th confirmed instance** AND **a new failure mode**: not the gateway stripping `:thread_ts` from a 3-part `target`, but the **runtime session context header itself was wrong** (`Source: Slack (group: C0AJ3SD5C79, thread: 1781394553.470139)`) — that `thread_ts` was a HERMES-bot prior status post in the same channel, not the user actual thread. Posted via Path B curl with the wrong `thread_ts`, got 2 orphans at `1781471131.418559` + `.439599` in channel root, recovered by querying `conversations_history` to find the correct thread (`1781438429.863329`) and re-posting the same content. Self-correction transparency section was added to the corrected reply (not a separate apology message) so the user reads one message with both the analysis AND the explanation. **The new rule is now**: pre-flight `conversations_history(channel_id, limit=5)` is **required** before composing any Path B JSON — the `thread_ts` argument must be derived from the actual user message ts, not trusted from the session context header. The header is a hint, not authoritative. Full write-up at `references\u002F2026-06-14-wrong-thread-ts-context-instance-15.md`. Implication: even a perfect Path B recovery can produce orphans if the `thread_ts` argument is wrong; the bug is in the session-routing layer that injects the thread context into the prompt, not in the gateway Slack post path. Layered with the 14 prior `send_message` misroutes, the total number of distinct failure modes in this bug family is now **5**: (1) 3-part form strip, (2) 2-part form top-level orphan, (3) tool-call narration leak, (4) wrong-`thread_ts` from session context, plus the pre-existing (5) runtime tool-surface gap. All five are now documented in the SKILL.md body under their own sections (Failure 1-5) and the pre-flight `conversations_history` step is Step 0 in the Action plan.\n\n- 2026-06-15 (PR #7397 bring-to-green dispatch, `C0AH3RY3DK6\u002F1781554558.133389`): **16th confirmed instance** of `target=slack:C0AH3RY3DK6:\u003Cthread_ts>` mis-route. The gateway `send_message` action returned the canonical misroute error: `Slack honored chat.postMessage with ok: True but threaded the reply under a different parent (target attempted: slack:C0AH3RY3DK6:1781555895.458679; actual thread_ts: 1781554558.133389; channel: C0AH3RY3DK6). This is a misroute — do not treat the post as successful.` Note the **error message itself is well-formed** — it tells the agent the **intended** target and the **actual** `thread_ts` it landed at, which is the parent root thread. Verified via `mcp__slack__conversations_replies(channel_id=C0AH3RY3DK6, thread_ts=1781554558.133389)` that the reply DID land — just at the wrong parent (the root thread `1781554558.133389`, not the reply at `1781555895.458679` I intended). This is consistent with Failure 1 \"gateway strips `:thread_ts` and falls back to home channel or top-level orphan\" — the gateway is **silently demoting the `:thread_ts` argument from a child-of-X to a top-level post**. The reply content was correct, but the user reading the original thread at `1781555895.458679` would not see it without scrolling to the parent. **The new lesson for 16th instance**: when the misroute error message names both the `target attempted` and the `actual thread_ts`, **do NOT re-try `send_message` with the same 3-part form** — the gateway has already proven it strips the segment. Switch to Path A or B immediately. The `conversations_replies` verify IS the ground truth — if your message is in the parent thread reply list, it landed, but the user may not see it where they expect. **Special case for WA-class threads**: in WA working pattern, the user reads the root thread (not a deep reply branch), so the misroute to the parent root is **functionally acceptable** for a status report \u002F dispatch ack — the user will see it. The misroute is only a real problem for replies that need to nest in a deep branch where the user is not scrolling. See new `references\u002F2026-06-15-pr-7397-dispatch-ack-instance-16.md` for the full transcript.\n- 2026-06-14 (jleechanclaw health-guardian dropped-thread followup #3, `C0AJ3SD5C79\u002F1781374059.979679`): **13th confirmed instance** of the 3-part `target=slack:CHAN:thread_ts` mis-route AND **3rd dropped-thread followup of the SAME `ai.hermes-watchdog log stale or missing` false-positive alert** (per `cron\u002Foutput\u002Fa790a5b54e61\u002F2026-06-13_16-02-49.md` and the 2026-06-12 7th-instance entry above). The user has seen this alert 3x and never picked a fix path — the **\"advance state on Nth recurrence\" rule from the 7th instance fired again**. The investigation went smoothly: read the actual watchdog log file (NOT `launchctl list | grep hermes-watchdog`, which returned PID 1372 = `mem-watchdog.sh` — a known launchd display quirk where the PID column shows the most-recently-run PID, not the currently-running process of that label), confirmed the log is fresh and prod gateway healthy on port 8643, and proposed 3 options (raise threshold \u002F open fix PR \u002F no action) with the default as option C. Recovery was textbook Path B: wrote JSON to `\u002Ftmp\u002Fhermes-status-update.json` via `write_file` (NOT heredoc — heredoc did not survive the terminal wrapper in this runtime), then `curl -s -X POST https:\u002F\u002Fslack.com\u002Fapi\u002Fchat.postMessage -H \"Authorization: Bearer $HERMES_SLACK_BOT_TOKEN\" --data-binary @\u003Cfile>`, verified at `ts 1781444881.815929` with `ThreadTs=1781374059.979679` (correctly threaded). **The `send_message` tool 3-part form was attempted first** (target=`slack:C0AJ3SD5C79:1781374059.979679`); tool returned `chat_id=C0AJQ5M0A0Y` (home channel) with the canonical \"Sent to slack home channel\" note — the 13th confirmation that the mis-route is universal. **New micro-lesson for `send_message` to Path B transition**: do NOT retry `send_message` with different target formats once you see the home-channel fallback. The 2026-06-10 vNU3 entry already encoded this; the 13th instance re-confirms it. 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Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML\u002FCSS layouts, or when styling\u002Fbeautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.","Apache-2.0","https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fjleechan-skills\u002Fblob\u002Fmain\u002F.claude\u002Fskills\u002Ffrontend-design\u002FLICENSE.txt","https:\u002F\u002Fgithub.com\u002Fjleechanorg\u002Fjleechan-skills\u002Fblob\u002Fmain\u002F.claude\u002Fskills\u002Ffrontend-design\u002FSKILL.md",[280,283,286],{"categoryNo":281,"categoryName":282,"taxonomyType":20,"taxonomyTypeDesc":21},"01JBSEEDCAT000000000000009","前端开发",{"categoryNo":284,"categoryName":285,"taxonomyType":20,"taxonomyTypeDesc":21},"01JBSEEDCAT000000000000015","视觉设计",{"categoryNo":287,"categoryName":288,"taxonomyType":216,"taxonomyTypeDesc":217},"01JBSEEDCAT000000000000032","设计师",[290,291,292,44,293,294,295,47,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,42,314],"frontend","design","frontend design","generic","ui design","react","html","components","code","artifacts","ui","aesthetics","Production","web components","landing","applications","quality","web","css","create","examples","with","react components","web ui","pages"]