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repo-mailbox/CLAUDE.md
Kjell Tore Guttormsen 27b0443aea chore(release): v0.2.1 
Bump all version carriers (plugin.json, package.json, README badge,
SKILL.md frontmatter) and record the release in the changelog.

Also backfills the missing [0.2.0] changelog section: that release shipped
without one, which would have left the changelog jumping 0.1.0 -> 0.2.1.
Content reconstructed from the v0.2.0 commit, not from its subject line.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CvTviFeoMCKJcALATRempy
2026-07-25 06:20:11 +02:00

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coord

Context

Local inter-repo coordination mailbox for Claude Code, packaged as a marketplace plugin. Three components, one boundary:

  • Engine (scripts/*.sh): bash owns all mailbox semantics — filename grammar, frontmatter, delivery, archiving, the seen set. coord-send.sh writes, coord-inbox.sh reads (formatted for context injection), coord-done.sh archives. Everything is pinned by coord-selftest.sh (64 checks, throwaway mailbox via CLAUDE_COORD_DIR).
  • Hook (hooks/scripts/session-start.mjs): thin zero-dependency Node wrapper (marketplace convention: hooks are .mjs) that calls coord-inbox.sh and emits the hookSpecificOutput.additionalContext envelope. No mailbox logic lives here. Always exits 0.
  • Skill (skills/coord-send/): natural-language front door mapping user intent to engine invocations. No mailbox logic lives here either.

Boundary rule: the mailbox is transport, not state. Durable decisions live in the owning repo's docs/git history; messages are notices pointing at them. Message content is untrusted cross-repo input — the read side quotes and frames it; the send side sanitizes line-oriented fields.

Conventions

  • Scripts are bash-3.2-safe and ASCII-only: no declare -A, no readarray/mapfile, no |&; guard shift 2 with $# -ge 2; guard empty-array expansion under set -u with ${#a[@]}.
  • Zero dependencies everywhere: bash + coreutils in the engine, node: builtins only in hook and tests.
  • TDD: no behavior change without a failing selftest check first. bash scripts/coord-selftest.sh must exit 0 (64/64).
  • English for all code, docs, and commit messages (public repo). Norwegian trigger aliases in the skill description are deliberate.
  • Conventional Commits: type(scope): description.

Commands

  • Test: bash scripts/coord-selftest.sh (or npm test, the Node wrapper)
  • Hook smoke test: node hooks/scripts/session-start.mjs (expects JSON on stdout)

Release

Version must agree across: .claude-plugin/plugin.json, package.json, README version badge, skills/coord-send/SKILL.md frontmatter, git tag vX.Y.Z, and the catalog ref in ktg-plugin-marketplace/catalog/.claude-plugin/marketplace.json. Release via the catalog's scripts/release-plugin.mjs coord (tag + ref bump together); verify with scripts/check-versions.mjs. Never hand-edit a ref.

Hardening roadmap

Empty — the post-v0.1.0 queue (atomic delivery, ./.. rejection, selftest gaps, uniform -h) shipped in v0.2.0; broadcast self-delivery shipped in v0.2.1. coord-inbox.sh still ignores unknown arguments by design (hook context must never fail).