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Addresses the three items from PR #793 re-review #2, all TDD red-first on this branch: F1 (BLOCKER, dup-proxy race) — ensureProxyRunning no longer falls back to nohup after `systemctl start` is ACCEPTED. An accepted-but-not-yet-healthy systemd unit may bind late or be restarted; spawning nohup then would create a second proxy contending for :18765. Once systemd accepts the job we poll to the startup deadline and, on a miss, report a managed-service startup failure. nohup is now reachable only when systemd never accepted the job. New test: "does NOT fall back to nohup after systemd accepts but never binds". F2 (BLOCKER, CWE-345) — a 2xx on /healthz is liveness, not identity. Added verifyListenerIdentity(): an OS-level check (via `ss` + /proc) that the process owning :18765 is the current uid running the expected proxy executable, failing CLOSED (`unknown`) when identity can't be established — needs no upstream shared-secret/unix-socket support. ensureProxyRunning now gates EVERY trust point on it: an already-present responder that fails identity returns `untrusted` without starting anything; a started proxy is trusted only once it is both live AND identity-verified. probeLiveness doc-comment updated to record the residual CWE-345 risk and point at the identity check (multi-user warning deferred). F3 (SHOULD-FIX) — parseAuthStatus no longer treats a signal-terminated check (status null) with an auth-looking line as valid; a clean exit 0 is required. Regression test: { status: null, stdout: 'Authenticated' } → unknown. Gates green: typecheck, lint, format:check; full mosaic suite 1110 passing; claudex-proxy.ts coverage 92.3% stmts/lines, 88.13% branch (>= 85%). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
@mosaicstack/mosaic
CLI package for the Mosaic self-hosted AI agent platform.
Usage
mosaic wizard # First-run setup wizard
mosaic gateway install # Install the gateway daemon
mosaic config show # View current configuration
mosaic config hooks list # Manage Claude hooks
Headless / CI Installation
Set MOSAIC_ASSUME_YES=1 (or ensure stdin is not a TTY) to skip all interactive prompts. The following environment variables control the install:
Gateway configuration (mosaic gateway install)
| Variable | Default | Required |
|---|---|---|
MOSAIC_STORAGE_TIER |
local |
No |
MOSAIC_GATEWAY_PORT |
14242 |
No |
MOSAIC_DATABASE_URL |
(none) | Yes if tier=team |
MOSAIC_VALKEY_URL |
(none) | Yes if tier=team |
MOSAIC_ANTHROPIC_API_KEY |
(none) | No |
MOSAIC_CORS_ORIGIN |
http://localhost:3000 |
No |
Admin user bootstrap
| Variable | Default | Required |
|---|---|---|
MOSAIC_ADMIN_NAME |
(none) | Yes (headless) |
MOSAIC_ADMIN_EMAIL |
(none) | Yes (headless) |
MOSAIC_ADMIN_PASSWORD |
(none) | Yes (headless) |
MOSAIC_ADMIN_PASSWORD must be at least 8 characters. In headless mode a missing or too-short password causes a non-zero exit.
Example: Docker / CI install
export MOSAIC_ASSUME_YES=1
export MOSAIC_ADMIN_NAME="Admin"
export MOSAIC_ADMIN_EMAIL="admin@example.com"
export MOSAIC_ADMIN_PASSWORD="securepass123"
mosaic gateway install
Hooks management
After running mosaic wizard, Claude hooks are installed in ~/.claude/hooks-config.json.
mosaic config hooks list # Show all hooks and enabled/disabled status
mosaic config hooks disable PostToolUse # Disable a hook (reversible)
mosaic config hooks enable PostToolUse # Re-enable a disabled hook
Set CLAUDE_HOME to override the default ~/.claude directory.