Files
stack/packages/mosaic
Jarvis 8466ca2d81
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fix(fleet): verify via pane-change diff + non-resizing watch
Blocker fix: send --verify now captures a BEFORE snapshot immediately
before the send and an AFTER snapshot after the delay, then uses
classifySendResult(before, after) to classify. A wedged pane showing
stale non-empty content is no longer falsely reported as 'accepted' —
BEFORE==AFTER maps to 'unverifiable' (exit 1, "no pane change after
send"). Blank AFTER still fails closed as 'unverifiable'. Only
AFTER != BEFORE without a draft suffix counts as 'accepted' (exit 0).

Should-fix: agent watch now uses a GROUPED VIEWER SESSION instead of a
bare 'tmux attach -r' against the agent session. A bare attach lets the
viewer terminal shrink the agent's window; a grouped session has
independent sizing so the agent's window is never affected.
Sequence: new-session -d -t '=<agent>' -s '<agent>-watch-<pid>' (runner),
attach -r to viewer session (interactiveRunner), kill-session on detach
(runner). New builder functions exported: buildAgentWatchCreateViewerCommand,
buildAgentWatchAttachCommand, buildAgentWatchKillViewerCommand,
buildViewerSessionName. buildAgentWatchCommand kept but deprecated.

New exports: classifySendResult(before, after) — the testable classifier.

Tests added:
- classifySendResult unit suite (6 cases): accepted/draft/unverifiable/
  stale-pane/both-blank/before-blank-after-response
- send --verify regression: stale (before==after non-empty) => exit 1
- send --verify regression: blank AFTER => exit 1
- send --verify regression: draft after pane change => exit 1
- send --verify regression: changed non-draft => exit 0
- send --verify: 3-call sequence assertion (before-capture, send, after-capture)
- watch dispatch: grouped viewer session created/attached/killed; no bare
  attach against agent session; viewer name matches <agent>-watch-<pid>

PRD Known-limitations updated: pane-change check rationale, Phase-3
heartbeat-ack requirement, grouped-session watch design.

All gates pass: pnpm typecheck, pnpm lint, pnpm --filter @mosaicstack/mosaic test
(382 tests, 74 fleet), prettier --check.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RMoEx7hfdFGjUiCHuN1RRi
2026-06-20 22:57:00 -05:00
..

@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.