The HTML comment at the top was aimed at maintainers opening the file,
but it's loaded verbatim into every agent's system prompt via the
`.claude-shared.md` import. Agents don't need the meta-explanation of
where the file is mounted or how identity gets injected — it's just
context-budget drag. Move the maintainer guidance out of the agent's
view.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Replace the passing CLAUDE.local.md mention with an explicit Memory
section: anything substantive the user shares must be stored so it's
retrievable later, with per-topic files indexed from CLAUDE.local.md.
Frames this as a core part of the agent's job — the quality of its
memory systems is a main signal of how useful it is.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Move every agent-specific instruction out of the shared container/CLAUDE.md
so the base is genuinely universal. Persona/identity now comes from the
system-prompt addendum (buildSystemPromptAddendum now takes assistantName
and prepends "# You are {name}"). Per-module instructions live alongside
each MCP tool source:
container/agent-runner/src/mcp-tools/core.instructions.md
container/agent-runner/src/mcp-tools/scheduling.instructions.md
container/agent-runner/src/mcp-tools/self-mod.instructions.md
composeGroupClaudeMd() scans that directory and emits `module-<name>.md`
fragments as symlinks to /app/src/mcp-tools/<name>.instructions.md (valid
via the existing RO source mount). Skill fragments renamed to
`skill-<name>.md` for naming consistency with `module-*` and `mcp-*`.
Mount tightening so composer-managed files can't be clobbered by agent
writes: nested RO mounts for /workspace/agent/CLAUDE.md and
/workspace/agent/.claude-fragments/. CLAUDE.local.md (per-group memory)
stays RW as the only writable CLAUDE.md-family file.
.gitignore: ignore CLAUDE.local.md, .claude-shared.md, .claude-fragments/
everywhere, and simplify groups/ rules to ignore the whole tree (per-
installation state, not tracked).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Replace the per-group "written once at init, owned by the group" CLAUDE.md
with a host-regenerated entry point that imports:
- a shared base (`container/CLAUDE.md` mounted RO at `/app/CLAUDE.md`)
- optional per-skill fragments (skills that ship `instructions.md`)
- optional per-MCP-server fragments (inline `instructions` field in
`container.json`)
- per-group agent memory (`CLAUDE.local.md`, auto-loaded by Claude Code)
Principle: RW = per-group memory, RO = shared content. Source/skills/base
are shared; personality, config, working files, and Claude state stay
per-group.
Key changes:
- New `src/claude-md-compose.ts` — per-spawn composition +
`migrateGroupsToClaudeLocal()` one-time cutover.
- New `container/CLAUDE.md` — shared base, seeded verbatim from the
former `groups/global/CLAUDE.md`.
- `src/container-runner.ts` — swap `/workspace/global` mount for RO
`/app/CLAUDE.md`; call `composeGroupClaudeMd()` after
`initGroupFilesystem()`.
- `src/group-init.ts` — drop `.claude-global.md` symlink + initial
`CLAUDE.md` write; seed `CLAUDE.local.md` from `opts.instructions`.
- `src/index.ts` — call `migrateGroupsToClaudeLocal()` at startup.
- `src/container-config.ts` — add optional `instructions` field to
`McpServerConfig` (inline per-MCP guidance fragment).
- `container/Dockerfile` — drop dead `/workspace/global` mkdir.
- Remove obsolete `scripts/migrate-group-claude-md.ts`.
Migration (runs once at host startup, idempotent):
- Delete `.claude-global.md` symlinks in each group.
- Rename each `groups/<folder>/CLAUDE.md` → `CLAUDE.local.md`
(preserves existing per-group content as memory).
- Delete `groups/global/` directory.
Design docs: `docs/claude-md-composition.md` and `docs/shared-source.md`
(the latter is the sibling design discussion this refactor builds on).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
