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nntrivi2001 57dc91585d feat: Claude Code Monitor — lanes, pipelines and a merged workspace

Internal SmartGift build of a Claude Code monitoring dashboard.

Lanes: a durable unit of parallel agent work, one per working directory,
tracked across session restarts. Managed lanes are git worktrees the
dashboard provisions and can reset or remove behind a three-check destroy
guard and a counted preflight; adopted lanes are directories you already
own and are never destroyable.

Pipelines: a lane moves through pipeline stages. A stage the agent declares
with evidence renders green; a stage inferred from the tool-event stream
renders dashed amber and never counts as done. Detection is forward-only
within a 30-minute window, and never writes the declared stage.

Workspace: one page at /run with a lane grid, the selected lane's pipeline,
and a full Claude console behind a disclosure.

2026-07-30 14:39:03 +07:00

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description

description
Audit hook delivery health from Agent Monitor data — balance PreToolUse vs PostToolUse (a gap means tools that started but never reported back), detect missing Stop/SubagentStop terminators (sessions/subagents that never closed), and check for stale ingestion (no recent events). Use when hooks look unreliable or events seem to be dropping.

Hook Failure Audit

Assess whether the hook pipeline is delivering events reliably, using the event counts and stream the dashboard already has. This is about delivery health (missing/dropped events), not about why a model errored.

Input

The user provides: $ARGUMENTS

This may be:

empty or "all" — run every check (default)
"balance" — PreToolUse/PostToolUse balance only
"terminators" — missing Stop/SubagentStop only
"freshness" — stale-ingestion check only

Data Sources

Endpoint	Returns
`GET /api/analytics`	`event_types` (counts per type: PreToolUse, PostToolUse, Stop, SubagentStop, SessionStart, SessionEnd), `daily_events` (365d), `total_subagents`, `sessions_by_status` — fleet-wide delivery balance
`GET /api/stats`	`total_sessions`, `total_agents`, `total_events`, `events_today` — expected terminator counts and recency
`GET /api/events?session_id=X`	Per-session stream — confirm which sessions are missing a `PostToolUse`, `Stop`, or `SubagentStop`

Report Sections

1. PreToolUse / PostToolUse Balance

From GET /api/analytics event_types: gap = PreToolUse − PostToolUse. A positive gap means tools whose completion hook never arrived. Report the gap as a count and as a percentage of PreToolUse. A healthy pipeline keeps this near 0%.

2. Missing Terminators

Compare Stop count against completed sessions (sessions_by_status) and SubagentStop against total_subagents/total_agents (from /api/stats). A shortfall means sessions or subagents that ran but never emitted a closing hook — likely dropped delivery or a crashed handler. Report expected vs observed for each.

3. Stale Ingestion

Check events_today from /api/stats and the tail of daily_events from analytics. If recent days are empty while sessions exist, ingestion has stalled. Report the most recent day with events and how long ago that was.

4. Localize

For the sessions with the largest gaps or missing terminators, pull GET /api/events?session_id=X and confirm which specific hook types are absent. List the offending session IDs.

Output

A check-by-check report with a PASS / WARN / FAIL marker each (✅ / ⚠️ / ❌) and the expected-vs-observed numbers.
Rates as percentages to 2 decimals.
Cite exact event_type counts and session_id values — never fabricate.
End with an overall verdict (e.g., "4/4 checks passed" or "hook delivery DEGRADED") and the single highest-impact remediation (e.g., reinstall hooks via the dashboard Settings, or restart the server with npm start).
Read-only: only report what the API returns. If curl cannot reach http://localhost:4820, tell the user to start the dashboard with npm start from the repo root.

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