feat(memory): add Temporal activities integration for memory service

- Implement 12 Temporal activities for memory operations
- Activities: create, update, search, context, diagnose, analyze, document
- Add activity registration and worker setup
- Full retry/timeout configuration with observability
- Include workflow patterns and examples
- All tests passing (23/23)

Documentation:
- MEMORY_INTEGRATION.md: High-level integration guide
- MEMORY_ACTIVITIES.md: Complete activities reference
- REGISTERED_ACTIVITIES.md: Registry and calling conventions

k8s/git-commit.yaml

@@ -9,6 +9,6 @@ metadata:
     app.kubernetes.io/name: poimen
     app.kubernetes.io/component: orchestrator
 data:
-  GIT_COMMIT: "4388820"  # Updated automatically by CI/CD
+  GIT_COMMIT: "c2df8a0"  # Updated automatically by CI/CD
   GIT_BRANCH: "main"
-  DEPLOYMENT_DATE: "2026-08-26"
+  DEPLOYMENT_DATE: "2026-08-29"

k8s/worker-deployment.yaml

@@ -13,8 +13,8 @@ spec:
       labels:
         app: poimen-worker
       annotations:
-        git-commit: "4388820"  # ✅ Updated on each push, triggers rolling restart
-        deployment-date: "2026-08-26"
+        git-commit: "c2df8a0"  # ✅ Updated on each push, triggers rolling restart
+        deployment-date: "2026-08-29"
     spec:
       containers:
       - name: worker