Add Experience V1 schema migration and agent-run completion extractor.

Extend h5_experience with structured fields, wire mindspace-agent-runner and agent-run-gateway to persist task_outcome records with provenance, and add local migration and verification scripts.

Co-authored-by: Cursor <cursoragent@cursor.com>

agent-run-gateway.mjs

@@ -49,6 +49,7 @@ import {
   isDirectEscalationContextEnabledForUser,
   resolveDirectEscalationContextPolicy,
 } from './chat-task-intent-config.mjs';
+import { extractAgentRunExperience } from './experience-extractor.mjs';
 
 const DEFAULT_RUN_RETRY_DELAYS_MS = [1500, 5000, 15000];
 const TERMINAL_STATUSES = new Set(['succeeded', 'failed']);
@@ -849,6 +850,7 @@ export function createAgentRunGateway({
   conversationMemoryService = null,
   syncUserPagesOnSuccess = null,
   observePersonalMemoryOnSuccess = null,
+  experienceService = null,
   observeWorkflowRun = null,
   observeWorkflowValidation = null,
   isSessionExternallyBusy = null,
@@ -905,6 +907,7 @@ export function createAgentRunGateway({
   const queuedDispatches = [];
   const queuedDispatchSet = new Set();
   const suggestionRepairTriggered = new Set();
+  const runExecutionContext = new Map();
 
   function enqueueRun(runId) {
     if (!runId || inFlight.has(runId) || queuedDispatchSet.has(runId)) return false;
@@ -2566,6 +2569,7 @@ export function createAgentRunGateway({
 
     try {
       const execution = await runWithTimeout(runId, () => executeRun(row, runId));
+      runExecutionContext.set(runId, execution);
       await finalizeSuccessfulRun(runId, row, execution.sessionId, execution);
     } catch (err) {
       const latest = await getRunById(runId);
@@ -2669,6 +2673,26 @@ export function createAgentRunGateway({
       stopHeartbeat();
       const terminalRun = await getRunById(runId).catch(() => null);
       if (terminalRun && TERMINAL_STATUSES.has(terminalRun.status)) {
+        const executionContext = runExecutionContext.get(runId) ?? null;
+        runExecutionContext.delete(runId);
+        if (experienceService?.record) {
+          await extractAgentRunExperience({
+            experienceService,
+            pool,
+            row: terminalRun,
+            runId,
+            status: terminalRun.status,
+            sessionId: terminalRun.agent_session_id ?? row.agent_session_id ?? null,
+            errorMessage: terminalRun.error_message ?? null,
+            toolEvidence: executionContext?.toolEvidence ?? null,
+            routing: executionContext?.routing ?? null,
+          }).catch((err) => {
+            console.warn(
+              '[AgentRun] experience extraction failed:',
+              err instanceof Error ? err.message : err,
+            );
+          });
+        }
         if (goalRunService?.onAgentRunCompleted && terminalRun.goal_checkpoint_id) {
           await goalRunService.onAgentRunCompleted({
             agentRunId: runId,