fix: seed AI model config at runtime

tests/test_config_service.py

@@ -10,6 +10,7 @@ from pathlib import Path
 sys.path.insert(0, str(Path(__file__).parent.parent / "src"))
 
 import services.config_service as cs
+import services.file_service as fs
 
 
 class TestOutfitConfigHelpers(unittest.TestCase):
@@ -19,8 +20,13 @@ class TestOutfitConfigHelpers(unittest.TestCase):
         os.environ["CMBOT_DATA_DIR"] = str(self.tmp)
         self.config_dir = self.tmp / "config"
         self.config_dir.mkdir(parents=True, exist_ok=True)
+        self.app_dir = self.tmp / "app"
+        self.factory_config_dir = self.app_dir / "config"
+        self._orig_get_app_dir = fs.get_app_dir
+        fs.get_app_dir = lambda: self.app_dir
 
     def tearDown(self):
+        fs.get_app_dir = self._orig_get_app_dir
         if self._env is None:
             os.environ.pop("CMBOT_DATA_DIR", None)
         else:
@@ -63,6 +69,40 @@ class TestOutfitConfigHelpers(unittest.TestCase):
         self.assertEqual([m["name"] for m in models], ["GPT Image 2", "Nano Banana 2"])
         self.assertTrue(all(m.get("api_key") == "" for m in models))
 
+    def test_load_ai_models_seeds_missing_user_file_from_factory_template(self):
+        self.factory_config_dir.mkdir(parents=True, exist_ok=True)
+        (self.factory_config_dir / "ai_models.json").write_text(
+            json.dumps({"models": [{"name": "factory", "url": "https://x"}]}),
+            encoding="utf-8",
+        )
+
+        models = cs.load_ai_models()
+
+        self.assertEqual(models[0]["name"], "factory")
+        user_file = self.config_dir / "ai_models.json"
+        self.assertTrue(user_file.exists())
+        copied = json.loads(user_file.read_text(encoding="utf-8"))
+        self.assertEqual(copied["models"][0]["name"], "factory")
+
+    def test_load_ai_models_does_not_overwrite_existing_user_file(self):
+        self.factory_config_dir.mkdir(parents=True, exist_ok=True)
+        (self.factory_config_dir / "ai_models.json").write_text(
+            json.dumps({"models": [{"name": "factory"}]}), encoding="utf-8")
+        (self.config_dir / "ai_models.json").write_text(
+            json.dumps({"models": [{"name": "user", "api_key": "keep"}]}),
+            encoding="utf-8",
+        )
+
+        models = cs.load_ai_models()
+
+        self.assertEqual(models[0]["name"], "user")
+        kept = json.loads((self.config_dir / "ai_models.json").read_text(encoding="utf-8"))
+        self.assertEqual(kept["models"][0]["api_key"], "keep")
+
+    def test_load_ai_models_missing_factory_template_returns_empty(self):
+        self.assertEqual(cs.load_ai_models(), [])
+        self.assertFalse((self.config_dir / "ai_models.json").exists())
+
     # -- outfit_prompt.txt ----------------------------------------------
 
     def test_prompt_default_when_missing(self):