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* feat(agent): per-agent toggle to isolate host-machine skills (MUL-2603)
Adds an agent-scoped `skills_local` switch ("ignore" default / "merge") so
shared agents stop inheriting the operator's user-global Claude skill
directory. A single broken local skill on one operator's machine was
crashing the Claude CLI before it ever read stdin — the daemon saw a
"broken pipe" with no recoverable signal (GitHub #3052).
- DB: migration 108 adds `agent.skills_local` (NOT NULL DEFAULT 'ignore'),
with sqlc CreateAgent/UpdateAgent updates and handler validation.
- Claude runtime: when the agent is in "ignore" mode the backend points
CLAUDE_CONFIG_DIR at an empty per-task scratch dir under the task cwd
(fallback: OS temp), strips any inherited override, and cleans up after
the run. Workspace skills under `{cwd}/.claude/skills/` still load.
"merge" preserves the legacy inherit-from-machine behavior; Codex and
other isolated backends are no-ops.
- UI: new Skills toggle in the Create Agent dialog and the Agent → Skills
tab, with EN/zh-Hans copy and SkillsLocalToggle shared between the two.
- Tests: unit coverage for the new env helper, isolation dir lifecycle,
full Claude execute paths (ignore + merge), and the handler tristate
contract. Existing skills-tab test updated for the new copy.
- Docs: updated `/skills` docs (EN + ZH) and added a 0.3.7 changelog entry
in the landing-page i18n.
Co-authored-by: multica-agent <github@multica.ai>
* fix(agent): preserve claude login + validate skills_local input (MUL-2603)
Address Elon's review on PR #3200:
1. Skill isolation no longer drops the operator's Claude login. The
per-task scratch dir now mirrors every entry under `~/.claude/`
as symlinks except `skills/`, so `.credentials.json`, settings,
plugins, etc. reach the CLI exactly as on the host while the
user-global skills directory stays hidden. Without this, default
`ignore` would have broken every Claude agent on a non-API-key
host the moment migration 108 landed.
2. Internal CreateAgent callers (agent_template, onboarding_shim)
now set `SkillsLocal: "ignore"`. The Go zero value was about to
trip the migration-108 CHECK constraint and 500 template /
onboarding agent creation.
3. Create / update handler validation no longer normalizes garbage
to "ignore". The strict 400 path is now reachable on bad client
input; the drift-safe `normalizeSkillsLocal` stays on the read
side only.
UI copy + docs clarified that the toggle is Claude-only; other
runtimes ignore the setting.
Verification:
- `go test ./...` green (full suite locally).
- `pnpm --filter @multica/views exec vitest run agents/components/tabs/skills-tab.test.tsx` green.
- Handler DB-backed tests still skip locally without docker (same
as Elon's run) — CI will validate the create / update paths
against migration 108.
Co-authored-by: multica-agent <github@multica.ai>
* fix(agent): mirror effective claude config dir with windows fallback (MUL-2603)
Address Elon's second-round review on PR #3200:
1. The per-task scratch dir now mirrors the *effective* host Claude
config dir, not unconditionally `~/.claude/`. Precedence: agent
`custom_env` CLAUDE_CONFIG_DIR > parent process env > `~/.claude/`.
Without this, an operator who pinned Claude at a managed install
(custom env CLAUDE_CONFIG_DIR) would get the wrong credentials in
the scratch dir, because `buildClaudeEnv` strips that env before
handing it to the child. We resolve the source up front and feed
it to the mirror, so the override env still points at the right
bytes.
2. Mirror entries now go through platform-aware linkers. On Windows
without Developer Mode / admin, `os.Symlink` is denied, which
previously left the scratch dir empty and broke Claude Code auth
on default `ignore`. The new helpers try symlink first, then fall
back to a directory junction (`mklink /J`) for dirs or a hardlink
(same-volume content share) / copy for files. Mirrors the
execenv/codex_home_link_windows.go pattern.
3. Tests:
- `TestResolveHostClaudeConfigDir` locks in the custom_env >
parent_env > `~/.claude` precedence.
- `TestNewIsolatedClaudeConfigDirMirrorsCustomHostDir` confirms
the scratch dir picks up `.credentials.json` from a synthetic
custom host dir, proving the source resolution actually
propagates into the mirror.
- `TestNewIsolatedClaudeConfigDirEmptyHostIsNoop` documents the
env-var-auth-only case (no host source ⇒ empty scratch dir).
- `TestMirrorHostClaudeExceptSkillsWith_FallbackWhenSymlinkFails`
exercises the Windows-no-Developer-Mode path via the new
`mirrorHostClaudeExceptSkillsWith` seam, asserting credentials
and sub-dir children still reach the scratch dir after the
symlink stand-in fails.
- `TestMirrorHostClaudeExceptSkillsWith_PropagatesFirstLinkError`
confirms callers see the per-entry error when even fallback
fails (so the warn-log fires on broken Windows installs).
- `TestCopyFileRoundTrip` covers the last-resort copy fallback
and its EXCL no-overwrite contract.
- `TestClaudeExecuteIsolatesUsesCustomEnvSource` is the
end-to-end check: an agent with custom_env CLAUDE_CONFIG_DIR
reads its credentials from the pinned dir, not `~/.claude/`.
4. Docs: `apps/docs/content/docs/skills.{mdx,zh.mdx}` updated to
describe the effective-source resolution and the Windows
fallback chain so the docs match the runtime behaviour.
Verification:
- `go test ./...` green (full server suite locally, including
`pkg/agent` 23 cases covering the new + existing isolation
paths).
- `GOOS=windows GOARCH=amd64 go vet ./pkg/agent/...` and
`go test -c -o /dev/null` both compile clean, confirming the
Windows-tagged linker file builds.
Co-authored-by: multica-agent <github@multica.ai>
* fix(agent): default skills_local to merge to preserve legacy behavior (MUL-2603)
Per Bohan's product decision on PR #3200, the per-agent host-skill toggle
defaults to "merge" — the pre-MUL-2603 inherit-from-machine behavior —
so existing personal workflows that rely on locally installed Claude
Skills keep working unchanged. Agent owners explicitly opt into "ignore"
when they need to harden a shared agent against a broken local skill on
one operator's machine (GitHub #3052).
Also audited all 11 runtimes for user-global skill discovery paths and
documented the scope of the toggle. Only Claude reads a user-global
`~/.claude/skills/`; Codex isolates via `CODEX_HOME`, the ACP backends
(Hermes / Kimi / Kiro) and the JSON-stream backends (Copilot / Cursor /
Gemini / Pi / OpenCode / OpenClaw) anchor discovery to the task workdir
and never read a user-global skill directory. UI copy and docs now say
"for runtimes that support it (currently Claude Code)" everywhere so
the scope is explicit.
Changes:
- Migration 108: column default flipped to 'merge'.
- Handler CreateAgent: missing field → "merge"; explicit "ignore" /
"merge" still validated, garbage still 400.
- normalizeSkillsLocal: drift-safe coercion now lands on "merge" for
anything that isn't the exact literal "ignore".
- agent_template.go / onboarding_shim.go: internal CreateAgent callers
send "merge" instead of "ignore" to match the new default.
- Claude runtime (`claude.go`): isolate-mode gate flipped from
`SkillsLocal != "merge"` to `SkillsLocal == "ignore"`, so "" (legacy
daemons / older clients) and "merge" both walk `~/.claude/` directly.
- Create Agent dialog + Skills tab: toggle defaults to on (merge); only
duplicate of an explicit "ignore" agent carries through. The
isolation opt-in is now `skills_local: "ignore"` when the user flips
off; "merge" is omitted from the request body.
- i18n (EN + zh-Hans): copy reframed — "On (default) — merged"; "Off —
ignored. Recommended for shared agents".
- Docs (`/skills`, `/guides/agents.zh`): describe new default and
enumerate which runtimes act on the toggle.
- Landing changelog 0.3.7: retitled "Per-Agent Local-Skill Toggle"; note
the on-by-default behavior + off-to-isolate framing.
- Tests:
- `TestClaudeExecuteIsolatesHostSkillsWhenIgnoreOptedIn` replaces the
old by-default isolation case (now requires explicit "ignore").
- New `TestClaudeExecuteDefaultModeKeepsHostConfigDir` locks in that
default ExecOptions preserve the host CLAUDE_CONFIG_DIR.
- `TestClaudeExecuteIsolatesUsesCustomEnvSource` now explicitly opts
into "ignore" mode.
- Handler tests: omitted → "merge"; explicit "ignore" round-trips;
preserve-existing test seeds "ignore" and asserts "merge" flip-back.
- `TestNormalizeSkillsLocal_DriftStaysSafe`: only literal "ignore"
maps to ignore; everything else → "merge".
- `skills-tab.test.tsx`: toggle ON by default; flip OFF when agent
opted into "ignore". Intro-text matcher anchored to a more specific
phrase so it no longer collides with the toggle hint copy.
Verification:
- `go test ./...` green (full server suite locally).
- `GOOS=windows GOARCH=amd64 go vet ./pkg/agent/...` and
`go test -c -o /dev/null` both compile clean (windows-tagged linker
file still builds).
- `pnpm typecheck` green across all packages and apps.
- `pnpm --filter @multica/views test` 88 files / 771 tests green.
- `pnpm --filter @multica/core test` 43 files / 390 tests green.
- Handler DB-backed tests still skip locally without docker; CI will
validate the create / update paths against migration 108.
Co-authored-by: multica-agent <github@multica.ai>
* chore(landing): drop 0.3.7 changelog entry from this PR (MUL-2603)
The landing-page release notes belong in a separate release-prep PR, not in the feature PR.
Co-authored-by: multica-agent <github@multica.ai>
* fix(agent): propagate skills_local=ignore to codex user-skill seed (MUL-2603)
Make the per-agent skills_local toggle real for Codex too, not just Claude.
Previously the toggle was only consumed by the Claude backend, while the
daemon's execenv layer always seeded Codex's per-task CODEX_HOME with the
host machine's user-installed skills from ~/.codex/skills/. A shared Codex
agent with skills_local=ignore could still inherit a broken local skill
from one operator's machine.
Now: PrepareParams/ReuseParams carry SkillsLocal; hydrateCodexSkills
skips seedUserCodexSkills when SkillsLocal == "ignore" so the per-task
CODEX_HOME exposes only workspace skills to the codex CLI. Default
("merge", or empty from older servers/clients) preserves existing
inherit-from-machine behavior. UI / docs are updated to reflect the
contract honestly: Claude Code and Codex honor the toggle; other
runtimes (Hermes / Kimi / Kiro / Copilot / Cursor / Gemini / Pi /
OpenCode / OpenClaw) leave $HOME untouched and discover user-level
skills natively, so the toggle is a no-op for them today.
New tests: TestPrepareCodexSkillsLocalIgnoreSkipsUserSeed,
TestPrepareCodexSkillsLocalMergeSeedsUserSkills, and
TestReuseCodexSkillsLocalIgnoreSkipsUserSeed cover Prepare(ignore),
Prepare(merge), and the toggle-flip-on-reuse path.
Co-authored-by: multica-agent <github@multica.ai>
* docs(skills): scope skills_local toggle copy to Claude Code + Codex (MUL-2603)
Off-state hint and Skills tab intro now explicitly call out Claude Code +
Codex as the only runtimes that honor the toggle, with "other runtimes
ignore this setting" wired into both states (en + zh-Hans), so users on
non-Claude/Codex agents don't read "Off" as runtime-wide isolation.
Docs (skills.mdx, skills.zh.mdx, guides/agents.zh.mdx) stop describing
Hermes / Kimi / Gemini / Copilot / Cursor / Pi / OpenCode / OpenClaw / Kiro
as having native user-level skill discovery; the daemon simply does not
manage user-level skill discovery for those runtimes today, and the toggle
is a no-op regardless of where it is set.
Co-authored-by: multica-agent <github@multica.ai>
---------
Co-authored-by: multica-agent <github@multica.ai>