fix: saving LoRA settings without a key keeps the stored CivitAI key

py/api/lora_integration.py

@@ -95,11 +95,24 @@ class LoraIntegrationMixin:
             enabled = data.get("enabled", False)
             path = data.get("path", "")
             trigger_words = data.get("trigger_words_enabled", False)
-            civitai_key = data.get("civitai_api_key", "")
 
             from ..config import IntegrationConfig, PromptManagerConfig
             from ..lora_utils import detect_lora_manager, get_trigger_cache
 
+            # The key is never echoed back to the UI, so a blank or absent
+            # field means "unchanged"; clearing is an explicit request.
+            civitai_key = IntegrationConfig.CIVITAI_API_KEY
+            submitted_key = data.get("civitai_api_key")
+            if submitted_key is not None and not isinstance(submitted_key, str):
+                return web.json_response(
+                    {"success": False, "error": "civitai_api_key must be a string"},
+                    status=400,
+                )
+            if data.get("clear_civitai_api_key"):
+                civitai_key = ""
+            elif submitted_key and submitted_key.strip():
+                civitai_key = submitted_key.strip()
+
             # If enabling, validate the path
             if enabled:
                 resolved = await self._run_in_executor(detect_lora_manager, path)

tests/test_api_lora.py

@@ -267,6 +267,50 @@ class TestLoraEnableRoute(LoraAPITestCase):
         self.assertFalse(get_trigger_cache().is_loaded)
         self.assertFalse(IntegrationConfig.LORA_MANAGER_ENABLED)
 
+    async def test_empty_key_keeps_the_stored_key(self):
+        IntegrationConfig.CIVITAI_API_KEY = SECRET_KEY
+
+        resp = await self._post_json(
+            "/prompt_manager/lora/enable", {"enabled": False, "civitai_api_key": ""}
+        )
+
+        self.assertEqual(resp.status, 200)
+        self.assertEqual(IntegrationConfig.CIVITAI_API_KEY, SECRET_KEY)
+
+    async def test_absent_key_keeps_the_stored_key(self):
+        IntegrationConfig.CIVITAI_API_KEY = SECRET_KEY
+
+        await self._post_json("/prompt_manager/lora/enable", {"enabled": False})
+
+        self.assertEqual(IntegrationConfig.CIVITAI_API_KEY, SECRET_KEY)
+
+    async def test_new_key_replaces_the_stored_key(self):
+        IntegrationConfig.CIVITAI_API_KEY = SECRET_KEY
+
+        await self._post_json(
+            "/prompt_manager/lora/enable",
+            {"enabled": False, "civitai_api_key": "  new-key  "},
+        )
+
+        self.assertEqual(IntegrationConfig.CIVITAI_API_KEY, "new-key")
+
+    async def test_clear_flag_removes_the_stored_key(self):
+        IntegrationConfig.CIVITAI_API_KEY = SECRET_KEY
+
+        resp = await self._post_json(
+            "/prompt_manager/lora/enable",
+            {"enabled": False, "clear_civitai_api_key": True},
+        )
+
+        self.assertEqual(resp.status, 200)
+        self.assertEqual(IntegrationConfig.CIVITAI_API_KEY, "")
+
+    async def test_non_string_key_is_400(self):
+        resp = await self._post_json(
+            "/prompt_manager/lora/enable", {"enabled": False, "civitai_api_key": 123}
+        )
+        self.assertEqual(resp.status, 400)
+
     async def test_persist_failure_is_500(self):
         self.save_mock.side_effect = OSError("read-only")
         resp = await self._post_json("/prompt_manager/lora/enable", {"enabled": False})