diff --git a/agent-ui/.sync-state.json b/agent-ui/.sync-state.json
new file mode 100644
index 0000000..88aa259
--- /dev/null
+++ b/agent-ui/.sync-state.json
@@ -0,0 +1,24 @@
+{
+  "schema_version": 1,
+  "surface_type": "ops-dev",
+  "baseline_mode": "code-first",
+  "last_sync_mode": "baseline",
+  "last_synced_head": "d25edf8c672d3290df9cabf238c07da35e1eb422",
+  "last_synced_at": "2026-06-25T01:52:20Z",
+  "agent_ui_paths": [
+    "agent-ui/README.md",
+    "agent-ui/definition/index.md",
+    "agent-ui/definition/views/index.md",
+    "agent-ui/definition/views/home/index.md",
+    "agent-ui/definition/components/index.md",
+    "agent-ui/frame/index.md"
+  ],
+  "code_paths": [
+    "apps/client/lib/main.dart"
+  ],
+  "notes": [
+    "Initial create-agent-ui baseline generated from the existing Flutter control surface scaffold.",
+    "No view frame was created because there is no visual source.",
+    "No component definition was created because the current UI has no repeated component evidence."
+  ]
+}