feat(036): wire RunTracker into agent — scenario intent → durable run creation

agent/src/ss_tools/agent/app.py

@@ -544,6 +544,7 @@ async def agent_handler(  # noqa: C901 — intentionally complex C4 orchestratio
             agent_tools,
             user_role,
             uicontext.get("objectType") if uicontext else None,
+            intent=uicontext.get("intent") if uicontext else None,
         )
         yield json.dumps(
             {
@@ -556,6 +557,29 @@ async def agent_handler(  # noqa: C901 — intentionally complex C4 orchestratio
                 },
             }
         )
+        # ── 036: Create durable run for scenario intent ──────
+        scenario_mode = uicontext.get("intent") == "build_dashboard_test_scenario"
+        run_tracker = None
+        if scenario_mode and uicontext:
+            try:
+                from ss_tools.agent._run_tracker import RunTracker
+
+                backend_url = os.environ.get("BACKEND_URL", "http://localhost:8000")
+                tracker = RunTracker(backend_url, user_jwt_str)
+                run_id = await tracker.create(uicontext, conversation_id=conv_id)
+                yield json.dumps(
+                    {
+                        "content": "",
+                        "metadata": {
+                            "type": "agent_run_started",
+                            "agent_run_id": run_id,
+                            "sequence": 1,
+                        },
+                    }
+                )
+                run_tracker = tracker
+            except Exception as exc:
+                logger.explore("Failed to create agent run — proceeding without durability", extra={"error": str(exc)})
         # Auto-inject environment_id into tool calls when LLM omits it
         agent_tools = _inject_env_id_into_tools(agent_tools, env_id)
         agent = await create_agent(agent_tools, env_id)