feat(exec-events): add top-level runId to payload
- Added runId?: string to ExecEventBase type in exec-events.ts - Added runId to all three emitExecEvent calls (exec.started, exec.output, exec.completed) - Fixes Crabwalk mismatch where it expects exec.runId but Gateway sent context.runId - runId is sourced from session.execEvents.context?.runId for backward compatibility Resolves: Crabwalk exec nodes not displaying due to schema mismatch
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Grace (Clawdbot)
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AUDIT_REPORT.md
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AUDIT_REPORT.md
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# Exec Events E2E Audit Report
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**Date:** 2026-01-27
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**Auditor:** Grace (via Codex analysis)
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## Executive Summary
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The exec events flow is fundamentally working (Gateway emits → WebSocket broadcasts → Crabwalk receives), but **there's a critical `runId` schema mismatch** that prevents proper session linking.
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### Critical Finding
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**Gateway sends `runId` nested in `context` object (optional); Crabwalk expects `runId` at top-level (required).**
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---
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## Part 1: Gateway Event Emission ✅ Working
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### Findings
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**Emission conditions** (src/agents/bash-tools.exec.ts):
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- Line 392: `execEventsConfig.emitEvents === true`
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- Line 395: `execEventsEnabled = execEventsConfig.emitEvents === true && execEventsMatch.matched`
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- Both conditions must be true for events to emit
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**Emission call sites:**
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- Line 577: `emitExecEvent("exec.output", {...})`
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- Line 595: `emitExecEvent("exec.started", {...})`
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- Line 618: `emitExecEvent("exec.completed", {...})`
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**Payload structure** (src/infra/exec-events.ts):
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```typescript
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type ExecEventBase = {
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event: ExecEventName; // "exec.started" | "exec.output" | "exec.completed"
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ts: number;
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seq: number;
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sessionId: string;
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pid: number;
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command?: string;
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context?: ExecEventContext; // 👈 runId is NESTED here
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};
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type ExecEventContext = {
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runId?: string; // 👈 OPTIONAL
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toolCallId?: string;
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sessionKey?: string;
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};
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```
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### Issues Found
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1. **Line 7 (exec-events.ts):** `runId?: string` — runId is OPTIONAL in Gateway types
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2. **Line 20:** `context?: ExecEventContext` — entire context is OPTIONAL
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---
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## Part 2: Gateway Broadcast ✅ Working
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### Findings
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**Subscription** (src/gateway/server.impl.ts):
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- Line 20: `import { onExecEvent } from "../infra/exec-events.js"`
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- Line 406-408:
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```typescript
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const execUnsub = onExecEvent((evt) => {
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broadcast(evt.event, evt, { dropIfSlow: true });
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});
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```
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**GATEWAY_EVENTS list** (src/gateway/server-methods-list.ts):
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- Line 111: `"exec.started"`
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- Line 112: `"exec.output"`
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- Line 113: `"exec.completed"`
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### Status
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Exec events ARE properly registered and broadcast. ✅
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---
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## Part 3: Crabwalk Parser 🔴 MISMATCH
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### Findings
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**Parser** (/home/clawdbot/apps/crabwalk/src/integrations/clawdbot/parser.ts):
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- Line 200-201:
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```typescript
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const exec = frame.payload as ExecStartedEvent
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const execId = `exec-${exec.runId}-${exec.pid}` // 👈 Uses top-level runId
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```
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- Line 211: `runId: exec.runId` — expects runId at top level
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- Line 260: `const execId = \`exec-${exec.runId}-${exec.pid}\`` — same pattern
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**Protocol types** (/home/clawdbot/apps/crabwalk/src/integrations/clawdbot/protocol.ts):
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- Line 88-92:
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```typescript
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export interface ExecStartedEvent {
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sessionId: string;
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pid: number;
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runId: string; // 👈 REQUIRED string, NOT optional
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...
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}
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```
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- Line 92: `runId: string` — REQUIRED, not optional
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### Critical Mismatch
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| Property | Gateway | Crabwalk |
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|----------|---------|----------|
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| `runId` location | `context.runId` (nested) | `exec.runId` (top-level) |
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| `runId` required | No (`runId?: string`) | Yes (`runId: string`) |
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| `context` | Optional object | Not read at all |
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**What happens when runId is undefined:**
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- `execId` becomes `"exec-undefined-<pid>"` — breaks uniqueness
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- Session linking fails (see Part 5)
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---
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## Part 4: Crabwalk UI Component ✅ Distinct
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### Findings
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**ExecNode.tsx** (/home/clawdbot/apps/crabwalk/src/components/monitor/ExecNode.tsx):
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- Line 1-10: Distinct component using `memo` and `Handle` from react-flow
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- Line 8: `data: MonitorExecProcess` — uses proper exec type
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- Uses Terminal icon (lucide-react)
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- Shows command, status (running/completed/failed), duration
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**NOT reusing AgentNode or ChatNode** — this is a dedicated exec component. ✅
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---
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## Part 5: ActionGraph Integration 🟡 Works IF sessionKey exists
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### Findings
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**ActionGraph.tsx** (/home/clawdbot/apps/crabwalk/src/components/monitor/ActionGraph.tsx):
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- Line 18: `import { ExecNode } from './ExecNode'`
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- Line 55: `exec: ExecNode as any` — registered as node type
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- Line 138-143: Exec nodes added to graph
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- Line 273-282: Session→Exec edges created based on `exec.sessionKey`
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**Edge creation logic:**
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```typescript
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for (const exec of visibleExecs) {
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const key = exec.sessionKey // 👈 REQUIRES sessionKey
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...
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edges.push({
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id: `e-session-exec-${exec.id}`,
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source: `session-${key}`,
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target: `exec-${exec.id}`,
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...
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})
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}
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```
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**Session key resolution** (/home/clawdbot/apps/crabwalk/src/integrations/clawdbot/collections.ts):
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- Line 12: `const runSessionMap = new Map<string, string>()` — maps runId → sessionKey
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- Line 141-147: `addAction()` learns mapping from chat events
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- Line 233-234: `addExecEvent()` calls `resolveSessionKey(event)`
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**The problem:** Without `runId` at top level, `resolveSessionKey` can't look up the sessionKey, so execs appear as orphan nodes without edges to sessions.
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---
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## Recommended Fixes (Test-First Approach)
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### Option A: Fix Gateway (Preferred)
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**Bead 1: Add top-level runId to exec event payload**
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1. Write test first:
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```typescript
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// src/agents/bash-tools.exec.exec-events.test.ts
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it("includes runId at top level in exec events", async () => {
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const events: ExecEventPayload[] = [];
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onExecEvent((e) => events.push(e));
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await runWithExecEventContext({ runId: "test-run-123" }, async () => {
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await runExecProcess({ command: "codex --help", ... });
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});
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const started = events.find(e => e.event === "exec.started");
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expect(started?.runId).toBe("test-run-123"); // 👈 Top level
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});
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```
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2. Update types (src/infra/exec-events.ts):
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```typescript
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type ExecEventBase = {
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event: ExecEventName;
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ts: number;
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seq: number;
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sessionId: string;
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pid: number;
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command?: string;
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runId?: string; // 👈 ADD top-level
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context?: ExecEventContext; // Keep for backward compat
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};
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```
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3. Update emission (src/agents/bash-tools.exec.ts):
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```typescript
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emitExecEvent("exec.started", {
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sessionId,
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pid,
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command,
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runId: session.execEvents.context?.runId, // 👈 ADD this
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context: session.execEvents.context,
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...
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});
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```
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### Option B: Fix Crabwalk (Alternative)
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Read `runId` from `context.runId` if top-level is missing:
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```typescript
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// parser.ts
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const runId = exec.runId ?? frame.payload?.context?.runId;
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const execId = `exec-${runId ?? 'unknown'}-${exec.pid}`;
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```
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### Recommendation
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**Go with Option A** — it's cleaner to have consistent payload structure at the source.
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---
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## Next Steps
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1. ✅ Create CONTINUITY.md (done)
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2. ⬜ Write failing test for top-level runId
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3. ⬜ Update Gateway exec-events types
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4. ⬜ Update emission call sites
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5. ⬜ Run tests, verify passing
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6. ⬜ Commit: `feat(exec-events): add top-level runId to payload`
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7. ⬜ E2E test with Crabwalk
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---
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## Line Number Reference
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| File | Line | Issue |
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|------|------|-------|
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| src/infra/exec-events.ts | 7 | `runId?: string` optional |
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| src/infra/exec-events.ts | 20 | `context?: ExecEventContext` optional |
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| src/agents/bash-tools.exec.ts | 595 | emitExecEvent("exec.started",...) — missing top-level runId |
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| /home/clawdbot/apps/crabwalk/src/integrations/clawdbot/protocol.ts | 92 | `runId: string` required |
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| /home/clawdbot/apps/crabwalk/src/integrations/clawdbot/parser.ts | 201 | `exec.runId` accessed at top level |
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| /home/clawdbot/apps/crabwalk/src/integrations/clawdbot/collections.ts | 12 | runSessionMap needs runId for lookup |
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49
CONTINUITY.md
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49
CONTINUITY.md
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# CONTINUITY.md — Exec Events E2E Fix
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## Goal
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Make exec events (Codex, Claude, etc.) visible in Crabwalk UI as distinct "EXEC" nodes — not "agent" or "chat".
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### Success Criteria
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1. When Codex runs, Crabwalk shows an "EXEC" labeled node (not "AGENT")
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2. Exec events flow: Gateway emits → WebSocket broadcasts → Crabwalk receives → UI renders
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3. All changes have test coverage
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4. Clean git history with meaningful commits
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## Constraints/Assumptions
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- Gateway code: `/home/clawdbot/dev/clawdbot-exec-events/`
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- Crabwalk code: `/home/clawdbot/apps/crabwalk/`
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- Config already has `hooks.exec.emitEvents: true` and whitelist
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- Must use test-driven approach
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## Key Decisions
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1. Rolled back cowboy changes (2026-01-27)
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2. Starting fresh with proper beads model
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## State
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### Done
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- [x] Rolled back uncommitted changes
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- [x] Created CONTINUITY.md
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- [x] **Bead 1: Audit** — Full E2E flow audit complete (see AUDIT_REPORT.md)
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### Now
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- [ ] Bead 2: Write failing test for top-level runId in exec events
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### Next
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- [ ] Bead 3: Update Gateway exec-events.ts types (add top-level runId)
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- [ ] Bead 4: Update bash-tools.exec.ts emission call sites
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- [ ] Bead 5: E2E validation with Crabwalk
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## Open Questions (RESOLVED)
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- ✅ CONFIRMED: Exec events ARE being emitted (Line 406-408, server.impl.ts)
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- ✅ CONFIRMED: Crabwalk HAS distinct ExecNode.tsx component (not reusing AgentNode)
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- ✅ CONFIRMED: runId IS required for session linking but optional in Gateway
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- ✅ ROOT CAUSE: Gateway sends `context.runId` (nested, optional), Crabwalk expects `exec.runId` (top-level, required)
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## Working Set
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- Gateway exec emission: `src/agents/bash-tools.exec.ts`
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- Gateway broadcast: `src/gateway/server.impl.ts`
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- Exec event types: `src/infra/exec-events.ts`
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- Crabwalk parser: `/home/clawdbot/apps/crabwalk/src/integrations/clawdbot/parser.ts`
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- Crabwalk UI: `/home/clawdbot/apps/crabwalk/src/components/monitor/ExecNode.tsx`
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- Crabwalk graph: `/home/clawdbot/apps/crabwalk/src/components/monitor/ActionGraph.tsx`
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@ -576,6 +576,7 @@ async function runExecProcess(opts: {
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for (const chunk of chunks) {
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emitExecEvent("exec.output", {
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sessionId,
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runId: execEventsState.context?.runId,
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pid: session.pid,
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command: session.command,
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commandName: execEventsState.commandName,
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@ -594,6 +595,7 @@ async function runExecProcess(opts: {
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execEventsState.startedEmitted = true;
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emitExecEvent("exec.started", {
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sessionId,
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runId: execEventsState.context?.runId,
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pid: session.pid,
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command: session.command,
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commandName: execEventsState.commandName,
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@ -617,6 +619,7 @@ async function runExecProcess(opts: {
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const completedAt = Date.now();
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emitExecEvent("exec.completed", {
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sessionId,
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runId: execEventsState.context?.runId,
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pid: session.pid,
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command: session.command,
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commandName: execEventsState.commandName,
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@ -14,6 +14,7 @@ type ExecEventBase = {
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ts: number;
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seq: number;
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sessionId: string;
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runId?: string;
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pid?: number;
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command: string;
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commandName?: string;
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@ -105,14 +106,7 @@ const DEFAULT_OUTPUT_BUFFER_MULTIPLIER = 8;
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const MIN_OUTPUT_MAX_CHUNK_BYTES = 256;
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const MAX_OUTPUT_BUFFER_BYTES = 256 * 1024;
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const WRAPPER_COMMANDS = new Set([
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"npx",
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"pnpm",
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"pnpmx",
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"bunx",
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"npm",
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"yarn",
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]);
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const WRAPPER_COMMANDS = new Set(["npx", "pnpm", "pnpmx", "bunx", "npm", "yarn"]);
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const WRAPPER_SUBCOMMANDS = new Set(["exec", "run", "run-script", "dlx", "x"]);
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@ -184,7 +178,10 @@ export function resolveExecEventsConfig(cfg?: MoltbotConfig): ExecEventsConfigRe
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const execCfg = hooks?.exec;
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const commandWhitelist = normalizeCommandWhitelist(execCfg?.commandWhitelist);
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const commandWhitelistSet = new Set(commandWhitelist);
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const outputThrottleMs = resolvePositiveInt(execCfg?.outputThrottleMs, DEFAULT_OUTPUT_THROTTLE_MS);
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const outputThrottleMs = resolvePositiveInt(
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execCfg?.outputThrottleMs,
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DEFAULT_OUTPUT_THROTTLE_MS,
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);
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const outputMaxChunkBytes = resolvePositiveInt(
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execCfg?.outputMaxChunkBytes,
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DEFAULT_OUTPUT_MAX_CHUNK_BYTES,
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@ -331,7 +328,10 @@ function resolveWrapperCommandName(tokens: string[], wrapperIndex: number): stri
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return subcommand;
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}
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export function matchExecCommandAgainstWhitelist(command: string, cfg: ExecEventsConfigResolved): WhitelistMatchResult {
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export function matchExecCommandAgainstWhitelist(
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command: string,
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cfg: ExecEventsConfigResolved,
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): WhitelistMatchResult {
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if (!cfg.emitEvents) return { matched: false };
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if (cfg.commandWhitelistSet.size === 0) return { matched: false };
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if (!includesWhitelistToken(command, cfg.commandWhitelistTokens)) {
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