feat(api): add create_app factory for gunicorn entrypoint

app/cm_api.py

@@ -199,6 +199,17 @@ class CM_API:
         return thread
 
 
+def create_app():
+    """WSGI factory used by gunicorn (`app.cm_api:create_app()`).
+
+    Returns the Flask app object so gunicorn can serve it. The
+    surrounding CM_API class still owns route registration and DB
+    connection management — this just hands gunicorn the underlying
+    Flask instance.
+    """
+    return CM_API().app
+
+
 if __name__ == '__main__':
     api = CM_API()
     api.run(port = 3000)

tests/test_bot_cli.py

@@ -289,5 +289,24 @@ class CmdInteractiveTests(unittest.TestCase):
         self.assertIn("CM Bot CLI", out.getvalue())
 
 
+class CreateAppFactoryTests(unittest.TestCase):
+    """The gunicorn entrypoint loads `app.cm_api:create_app()`. The factory
+    must exist as a module-level callable that returns the Flask app
+    object — not the CM_API wrapper class."""
+
+    def test_create_app_returns_flask_instance(self):
+        from flask import Flask
+        from app.cm_api import create_app
+
+        wsgi = create_app()
+        self.assertIsInstance(wsgi, Flask)
+
+    def test_create_app_registers_acc_route(self):
+        from app.cm_api import create_app
+        wsgi = create_app()
+        rules = {r.rule for r in wsgi.url_map.iter_rules()}
+        self.assertIn("/acc/", rules)
+
+
 if __name__ == "__main__":
     unittest.main()