feat: add domestic model provider presets

migrations/000045_content_model_providers.down.sql

@@ -0,0 +1,14 @@
+BEGIN;
+
+UPDATE content_model_config
+SET provider = 'openai_compatible'
+WHERE provider NOT IN ('ark', 'openai_compatible');
+
+ALTER TABLE content_model_config
+    DROP CONSTRAINT content_model_config_provider_check;
+
+ALTER TABLE content_model_config
+    ADD CONSTRAINT content_model_config_provider_check
+    CHECK (provider IN ('ark', 'openai_compatible'));
+
+COMMIT;

migrations/000045_content_model_providers.up.sql

@@ -0,0 +1,30 @@
+BEGIN;
+
+ALTER TABLE content_model_config
+    DROP CONSTRAINT content_model_config_provider_check;
+
+ALTER TABLE content_model_config
+    ADD CONSTRAINT content_model_config_provider_check CHECK (provider IN (
+        'ark',
+        'dashscope',
+        'deepseek',
+        'moonshot',
+        'zhipu',
+        'qianfan',
+        'hunyuan',
+        'minimax',
+        'baichuan',
+        'siliconflow',
+        'ollama',
+        'openai_compatible'
+    ));
+
+-- Classify local Ollama records created before provider-specific options were
+-- available. This changes only the label/transport capability profile; the
+-- encrypted credential, activation state and model identity stay untouched.
+UPDATE content_model_config
+SET provider = 'ollama'
+WHERE provider = 'openai_compatible'
+  AND base_url ~* '^http://(ollama|localhost|127\.0\.0\.1)(:[0-9]+)?(/|$)';
+
+COMMIT;