dev-tweak-serve-package-json

Fix, improve, or update existing Claude Code custom agents (subagents). Use when: (1) User reports an agent isn't working well, (2) User wants to adjust agent behavior, tools, or model, (3) User says 'fix agent', 'update agent', 'tweak agent', 'agent not working'. Edits agent frontmatter, tool restrictions, prompts.

Edit and create KiCad schematic (.kicad_sch) files. Use when user says 'edit schematic', 'modify kicad', 'add component', 'change resistor value', 'update schematic'. Capabilities: (1) Modify schematics (change values, add/remove components, update connections), (2) Create new schematic content from specs or ASCII diagrams, (3) Analyze structure. KiCad 6+ S-expression format. Generated schematics may need GUI layout adjustment.

Workflow for editing a WIP upstream package (consumed by this project via a sibling `file:../upstream/...` dep) when a fix or feature requires changing the upstream's code. ALWAYS work in a git worktree of the upstream — never on the shared `../upstream/` root checkout — because every consumer using that sibling shares the same on-disk HEAD. Use when: (1) The fix lives in the upstream package's source, not the consumer's, (2) User says 'edit upstream', 'fix upstream', 'patch upstream', 'upstream PR', 'I need to change the upstream framework', 'fix zfb / zdtp upstream', (3) Triaging a consumer-side issue and the root cause is in the upstream library, (4) Bumping the consumer's pin requires landing an upstream PR first.

Pattern for consuming an in-progress (WIP) upstream npm/pnpm package from a sibling git checkout via a `file:../{name}/...` relative dep — without publishing the package. Use when: (1) Setting up a consumer project that needs to depend on a local in-development library or framework checked out next to it, (2) User mentions 'file: dep', 'sibling repo', 'upstream package', 'wip package', 'monorepo-style refer', 'how do we consume the upstream', (3) Deciding between this pattern and a published npm version or a `github:` git-URL dep, (4) Setting up a fresh machine that already has a consumer project but the sibling upstream isn't cloned yet, (5) A consumer's CI is failing because the sibling upstream isn't where the `file:` spec expects it.

Organize and maintain package.json and npm config (.npmrc) for readability and security. Use when: (1) Reorganizing scripts section or adding separators, (2) Extracting multi-process commands into shell scripts, (3) Setting up multi-environment dev commands (local/preview/prod), (4) Handling pnpm "Ignored build scripts" warnings, (5) Configuring .npmrc security (strictDepBuilds, allowBuilds, ignoredBuilds), (6) Managing pnpm via corepack and packageManager field, (7) Adding predev port cleanup. Keywords: package.json, npm scripts, .npmrc, pnpm, build scripts, supply chain, corepack, packageManager, predev, kill port, port in use.

Develop npm packages with Node.js and TypeScript following modern best practices. Use when: (1) Creating a new npm package, (2) Setting up package.json exports (dual ESM/CJS or ESM-only), (3) Configuring TypeScript for library authoring (Bundler or Node16 moduleResolution), (4) Building/publishing with tsup or tsc, (5) Creating CLI tools with bin field, (6) Testing with vitest, (7) CI/CD for npm publishing, (8) ESM/CJS interop issues. Keywords: npm package, publish to npm, library development.

Convert conversation context into an esa article via the zudoesa-writer subagent. ONLY invoke when the user explicitly asks — NEVER proactively propose. Triggers: 'write esa article', 'esa記事', 'esaに書いて', 'articlify for esa', or /zudoesa-articlify. Gathers context, creates a writing brief, delegates to the writer subagent.

Apply Takazudo's esa writing voice and vocabulary rules to text. Use when: (1) User wants to write/rewrite text in Takazudo's esa style, (2) User says 'apply voice', 'esa voice', 'esa文体で', 'esa風に書いて', '文体を適用', (3) User provides text to transform to esa style. Reads writing-style.md and vocabulary-rule.md from takazudo-esa-writing repo and applies the rules.

Convert conversation context into a CodeGrid article via the zudocg-writer subagent. ONLY invoke when the user explicitly asks — NEVER proactively propose. Triggers: 'write codegrid article', 'CodeGrid記事', 'codegridに書いて', 'articlify for codegrid', or /zudocg-articlify. Gathers context, creates a writing brief, delegates to the writer subagent.

Apply Takazudo's CodeGrid writing voice and vocabulary rules to text. Use when: (1) User wants to write/rewrite text in Takazudo's CodeGrid style, (2) User says 'apply voice', 'codegrid voice', 'codegrid文体で', 'codegrid風に書いて', '文体を適用', (3) User provides text to transform to CodeGrid style. Reads writing-style.md and vocabulary-rule.md from takazudo-codegrid-writing repo and applies the rules.

Convert conversation context into a zpaper blog article via the zpaper-writer subagent. ONLY invoke when the user explicitly asks — NEVER proactively propose. Triggers: 'write zpaper article', 'zpaper記事', 'zpaperに書いて', 'articlify for zpaper', or /zpaper-articlify. Gathers context, creates a writing brief, delegates to the writer subagent.

Apply Takazudo's zpaper blog writing voice and vocabulary rules to text. Use when: (1) User wants to write/rewrite text in Takazudo's zpaper style, (2) User says 'apply voice', 'zpaper voice', 'zpaper文体で', 'zpaper風に書いて', 'ブログ文体を適用', (3) User provides text to transform to zpaper style. Reads writing-style.md and vocabulary-rule.md from the zpaper repo and applies the rules.