优化后端和前端逻辑

src/cognitive_agent/application/seat_service.py

@@ -671,8 +671,43 @@ class SeatDemoService:
     ) -> dict[str, Any]:
         """Persist one edited mode from a server-generated control flow."""
 
+        return self._persist_mode_profile_card(
+            mode_id,
+            name,
+            instruction,
+            source_request_id,
+            vehicle_id,
+        )
+
+    def create_mode_profile_card(
+        self,
+        name: str,
+        instruction: str,
+        source_request_id: str,
+        vehicle_id: str | None = None,
+    ) -> dict[str, Any]:
+        """Create one user mode from a server-generated control flow."""
+
+        return self._persist_mode_profile_card(
+            None,
+            name,
+            instruction,
+            source_request_id,
+            vehicle_id,
+        )
+
+    def _persist_mode_profile_card(
+        self,
+        mode_id: str | None,
+        name: str,
+        instruction: str,
+        source_request_id: str,
+        vehicle_id: str | None = None,
+    ) -> dict[str, Any]:
+        """Validate and persist a created or edited mode command flow."""
+
         resolved_vehicle_id = vehicle_id or self.vehicle_profiles.default().id
-        clean_mode_id = str(mode_id).strip()
+        clean_mode_id = str(mode_id or "").strip()
         clean_name = str(name).strip()
         clean_instruction = str(instruction).strip()
         clean_request_id = str(source_request_id).strip()
@@ -690,15 +725,19 @@ class SeatDemoService:
         visible_profiles = self.mode_profiles._profiles_for_vehicle(  # noqa: SLF001
             resolved_vehicle_id
         )
-        profile = next(
-            (item for item in visible_profiles if item.id == clean_mode_id),
-            None,
+        profile = (
+            next(
+                (item for item in visible_profiles if item.id == clean_mode_id),
+                None,
+            )
+            if clean_mode_id
+            else None
         )
-        if profile is None:
+        if clean_mode_id and profile is None:
             raise KeyError(clean_mode_id)
         normalized_name = re.sub(r"\s+", "", clean_name).casefold()
         if any(
-            item.id != profile.id
+            (profile is None or item.id != profile.id)
             and re.sub(r"\s+", "", item.name).casefold() == normalized_name
             for item in visible_profiles
         ):
@@ -813,14 +852,18 @@ class SeatDemoService:
         saved = self.mode_profiles.save_mode(
             clean_name,
             operations,
-            mode_id=profile.id,
-            aliases=list(profile.aliases),
+            mode_id=profile.id if profile is not None else None,
+            aliases=list(profile.aliases) if profile is not None else [],
             vehicle_id=resolved_vehicle_id,
-            description=profile.description,
-            icon=profile.icon,
+            description=(
+                profile.description
+                if profile is not None
+                else "由自然语言生成的自定义模式。"
+            ),
+            icon=profile.icon if profile is not None else "bookmark-plus",
             instruction=clean_instruction,
             command_flow=command_flow,
-            timeline=profile.timeline,
+            timeline=profile.timeline if profile is not None else None,
         )
         public_profile = next(
             (