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Expert guidance for building reactive web components with the @zeix/le-truc library. Use when creating, reviewing, or debugging a Le Truc component.

Keep le-truc developer-facing documents up to date with the source code and examples docs-src/pages/, README.md, ARCHITECTURE.md, AGENTS.md, JSDoc in src/, and skill files in .agents/skills/. Use after code changes, to verify consistency, or to update a specific document.

Maintains Architectural Decision Records (ADRs) for the le-truc project. Creates, updates, lists, and supersedes ADRs in the /adr/ directory.

Expert developer for the @zeix/le-truc library. Use when implementing features, fixing bugs, or answering questions about the library's internals, public API, architecture, or its relationship to @zeix/cause-effect.

Maintain CHANGELOG.md for the @zeix/le-truc library. Use after meaningful code changes, when asked to add release notes, or to prepare a release.

Expert developer for the le-truc docs build pipeline and dev server. Use when implementing features, fixing bugs, adding Markdoc schemas, writing tests, or answering questions about the Bun + Cause & Effect + Markdoc + TypeDoc + Shiki stack in server/.

Expert guidance for @zeix/cause-effect reactive primitives (signals, memos, tasks, sensors, slots, stores, lists, collections, scopes). Use for signal-level questions, choosing the right primitive, or debugging reactivity — in le-truc projects or standalone.

Sparring partner for design and planning. Asks critical questions, researches feasibility, weighs tradeoffs, and produces or updates REQUIREMENTS.md, ARCHITECTURE.md, and TODO.md. Also triages GitHub issues and bug reports into actionable tasks.

Shared reference knowledge base for @zeix/cause-effect agent skills. Contains common reference files used by multiple skills to avoid duplication.

Maintains Architectural Decision Records (ADRs) for this project. Creates, updates, lists, and supersedes ADRs in the /adr/ directory.

Expert guidance for using the @zeix/cause-effect reactive signals library in any project. Use when implementing reactive patterns, debugging unexpected behavior, or answering questions about the public API, signal types, or design decisions. Works in any project that depends on @zeix/cause-effect — all knowledge is embedded, no library source required.

Sparring partner for design and planning. Asks critical questions, researches feasibility, weighs tradeoffs, and produces or updates REQUIREMENTS.md, ARCHITECTURE.md, and TODO.md. Also triages GitHub issues and bug reports into actionable tasks.

Expert developer for the @zeix/cause-effect reactive signals library. Use when implementing features, fixing bugs, writing tests, or answering questions about the library's internals, public API, or design decisions.

Keep developer-facing documents up to date with the @zeix/cause-effect source code: README.md, GUIDE.md, ARCHITECTURE.md, REQUIREMENTS.md, AGENTS.md, .github/copilot-instructions.md, and JSDoc in src/. Use after code changes, to verify consistency, or to update a specific document.

Maintain CHANGELOG.md for the @zeix/cause-effect library. Use after meaningful code changes, when asked to add release notes, or to prepare a release.