[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill:01M7DEM65PKZFCWN32BDH7XYCS":3,"skill-same:01M7DEM65PKZFCWN32BDH7XYCS":45},{"skillNo":4,"name":5,"nameZh":6,"description":7,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":16,"categories":17,"keywords":18,"publishedAt":19,"linkOnly":20,"markdownContent":21,"markdownBody":22,"frontMatter":23,"refName":25,"commitSha":26,"skillDirectory":27,"forksCount":14,"repositoryHtmlUrl":28,"repositoryHomepageUrl":6,"ownerHtmlUrl":29,"ownerBlogUrl":6,"ownerDescription":30,"updatedAt":31,"install":32,"resources":44},"01M7DEM65PKZFCWN32BDH7XYCS","principle-separate-before-serializing-shared-state",null,"Apply when concurrent actors might write to the same file, branch, key, or state object. Eliminate the sharing first; serialize structurally only when one shared writer is a real invariant.","odellsallis93\u002Fskills-repo","odellsallis93","https:\u002F\u002Favatars.githubusercontent.com\u002Fu\u002F87449759?v=4","01M7DEG0QK6S7ZF5TAZZH1JKT9","ODell Sallis","01M7DEG0R9VYQBMCTWBFXHBZDS",0,"MIT","https:\u002F\u002Fgithub.com\u002Fodellsallis93\u002Fskills-repo\u002Fblob\u002Fmain\u002Fplugins\u002Fo-stack\u002Fskills\u002Fprinciple-separate-before-serializing-shared-state\u002FSKILL.md",[],[],"2026-11-15 14:19:17",false,"---\nname: principle-separate-before-serializing-shared-state\ndescription: \"Apply when concurrent actors might write to the same file, branch, key, or state object. Eliminate the sharing first; serialize structurally only when one shared writer is a real invariant.\"\ndisable-model-invocation: true\n---\n\n# Separate Before Serializing Shared State\n\nWhen concurrent actors might share mutable state, first ask whether they need the same mutable object. If not, eliminate the sharing. When sharing is real, enforce serialization structurally: lockfiles, sequential phases, exclusive ownership. Instructions and conventions are not concurrency control.\n\n**Why:** Concurrent writes to shared state create race conditions that are intermittent, hard to reproduce, and expensive to debug.\n\n**Pattern:**\n1. **Identify shared mutable state** (files both read and write, branches both push to, APIs both define and consume).\n2. **Default: eliminate the shared write target.** Ask: do these actors need one canonical object, or are they publishing independent facts? Give each actor its own owned file, key, branch, or state directory, and merge only at the read\u002Freporting boundary. Two workers writing their own `lastX` field into one `state.json` is still shared mutation. `indexer-state.json` + `metrics-state.json` is not.\n3. **Only when one shared write target is a real invariant, serialize access structurally** (lockfiles, sequential phases, single-writer actor, or atomic compare-and-swap). Treat \"we need a lock\" as a design smell to check, not as the default answer.\n","# Separate Before Serializing Shared State\n\nWhen concurrent actors might share mutable state, first ask whether they need the same mutable object. If not, eliminate the sharing. When sharing is real, enforce serialization structurally: lockfiles, sequential phases, exclusive ownership. Instructions and conventions are not concurrency control.\n\n**Why:** Concurrent writes to shared state create race conditions that are intermittent, hard to reproduce, and expensive to debug.\n\n**Pattern:**\n1. **Identify shared mutable state** (files both read and write, branches both push to, APIs both define and consume).\n2. **Default: eliminate the shared write target.** Ask: do these actors need one canonical object, or are they publishing independent facts? Give each actor its own owned file, key, branch, or state directory, and merge only at the read\u002Freporting boundary. Two workers writing their own `lastX` field into one `state.json` is still shared mutation. `indexer-state.json` + `metrics-state.json` is not.\n3. **Only when one shared write target is a real invariant, serialize access structurally** (lockfiles, sequential phases, single-writer actor, or atomic compare-and-swap). Treat \"we need a lock\" as a design smell to check, not as the default answer.\n",{"name":5,"description":7,"disable-model-invocation":24},true,"main","1c9c71cb8682c1f18c7a54bc09a9ddfe2f70b80d","plugins\u002Fo-stack\u002Fskills\u002Fprinciple-separate-before-serializing-shared-state","https:\u002F\u002Fgithub.com\u002Fodellsallis93\u002Fskills-repo","https:\u002F\u002Fgithub.com\u002Fodellsallis93","SWE: Applied \u002F Agentic AI, Full-stack Web Dev, Mobile, Design | Computer Vision | Automation | Events | Music","2026-11-11 07:05:03",{"source":8,"skillName":5,"commands":33,"prompt":43,"zipAvailable":24},[34,37,40],{"tool":35,"command":36},"npx","npx skills add odellsallis93\u002Fskills-repo --skill principle-separate-before-serializing-shared-state",{"tool":38,"command":39},"bunx","bunx skills add odellsallis93\u002Fskills-repo --skill principle-separate-before-serializing-shared-state",{"tool":41,"command":42},"pnpm","pnpm dlx skills add odellsallis93\u002Fskills-repo --skill principle-separate-before-serializing-shared-state","安装技能，技能地址：https:\u002F\u002Fgithub.com\u002Fodellsallis93\u002Fskills-repo\u002Fblob\u002Fmain\u002Fplugins\u002Fo-stack\u002Fskills\u002Fprinciple-separate-before-serializing-shared-state\u002FSKILL.md",[],[46,53,60,67,74,81],{"skillNo":47,"name":48,"nameZh":6,"description":49,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":50,"categories":51,"keywords":52,"publishedAt":19},"01M7DF09PNHXECAA9M9472985Z","wizard","Generate an interactive bash wizard that walks a human through steps only they can perform. Use when provisioning infrastructure, setting up credentials or CI secrets, walking an unfamiliar third-party dashboard, or running a one-off migration or cutover. Don't invoke this for steps the agent can perform itself.","https:\u002F\u002Fgithub.com\u002Fodellsallis93\u002Fskills-repo\u002Fblob\u002Fmain\u002Fskills\u002Fwizard\u002FSKILL.md",[],[],{"skillNo":54,"name":55,"nameZh":6,"description":56,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":57,"categories":58,"keywords":59,"publishedAt":19},"01M7DF06BVP31PP8PB9WQBG6NR","wayfinder","Plan a huge chunk of work (more than one agent session can hold) as a shared map of decision tickets on your issue tracker, and resolve them one at a time until the way to the destination is clear.","https:\u002F\u002Fgithub.com\u002Fodellsallis93\u002Fskills-repo\u002Fblob\u002Fmain\u002Fskills\u002Fwayfinder\u002FSKILL.md",[],[],{"skillNo":61,"name":62,"nameZh":6,"description":63,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":64,"categories":65,"keywords":66,"publishedAt":19},"01M7DF03EM39HHEET1C44R50F7","wait-what","Stop. That last message did not land: re-pitch it.","https:\u002F\u002Fgithub.com\u002Fodellsallis93\u002Fskills-repo\u002Fblob\u002Fmain\u002Fskills\u002Fwait-what\u002FSKILL.md",[],[],{"skillNo":68,"name":69,"nameZh":6,"description":70,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":71,"categories":72,"keywords":73,"publishedAt":19},"01M7DF00MVBHP5P88V3A8FR3AW","triage","Move issues and external PRs through a state machine of triage roles, categorise, verify, grill if needed, and write agent-ready briefs.","https:\u002F\u002Fgithub.com\u002Fodellsallis93\u002Fskills-repo\u002Fblob\u002Fmain\u002Fskills\u002Ftriage\u002FSKILL.md",[],[],{"skillNo":75,"name":76,"nameZh":6,"description":77,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":78,"categories":79,"keywords":80,"publishedAt":19},"01M7DEZWFJTR2K5SGCVE1MQRTZ","to-tickets","Break a plan, spec, or the current conversation into a set of tracer-bullet tickets, each declaring its blocking edges, published to the configured tracker (edges as text in one file per ticket locally, or native blocking links on a real tracker).","https:\u002F\u002Fgithub.com\u002Fodellsallis93\u002Fskills-repo\u002Fblob\u002Fmain\u002Fskills\u002Fto-tickets\u002FSKILL.md",[],[],{"skillNo":82,"name":83,"nameZh":6,"description":84,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":85,"categories":86,"keywords":87,"publishedAt":19},"01M7DEZSYEBMNAGE02BCYWKMHT","to-spec","Turn the current conversation into a spec and publish it to the project issue tracker: no interview, just synthesis of what you've already discussed.","https:\u002F\u002Fgithub.com\u002Fodellsallis93\u002Fskills-repo\u002Fblob\u002Fmain\u002Fskills\u002Fto-spec\u002FSKILL.md",[],[]]