refactor: remove allows_unlisted_models flag, always allow custom model entry (#7255)

Signed-off-by: clayarnoldg2m <carnold@g2m.ai>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

ui/desktop/openapi.json

@@ -6154,10 +6154,6 @@
           "config_keys"
         ],
         "properties": {
-          "allows_unlisted_models": {
-            "type": "boolean",
-            "description": "Whether this provider allows entering model names not in the fetched list"
-          },
           "config_keys": {
             "type": "array",
             "items": {

ui/desktop/src/api/types.gen.ts

@@ -832,10 +832,6 @@ export type ProviderEngine = 'openai' | 'ollama' | 'anthropic';
  * Metadata about a provider's configuration requirements and capabilities
  */
 export type ProviderMetadata = {
-    /**
-     * Whether this provider allows entering model names not in the fetched list
-     */
-    allows_unlisted_models?: boolean;
     /**
      * Required configuration keys
      */

ui/desktop/src/components/recipes/shared/RecipeModelSelector.tsx

@@ -60,13 +60,11 @@ export const RecipeModelSelector = ({
             provider: p.name,
           }));
 
-          if (p.metadata.allows_unlisted_models) {
-            options.push({
-              value: `__custom__:${p.name}`,
-              label: 'Enter a model not listed...',
-              provider: p.name,
-            });
-          }
+          options.push({
+            value: `__custom__:${p.name}`,
+            label: 'Enter a model not listed...',
+            provider: p.name,
+          });
 
           if (options.length > 0) {
             groupedOptions.push({ options });

ui/desktop/src/components/settings/models/subcomponents/SwitchModelModal.tsx

@@ -250,7 +250,7 @@ export const SwitchModelModal = ({
             providerType: p.provider_type,
           }));
 
-          if (p.metadata.allows_unlisted_models && p.provider_type !== 'Custom') {
+          if (p.provider_type !== 'Custom') {
             options.push({
               value: 'custom',
               label: 'Enter a model not listed...',