feat: add generation API endpoints

apps/ai/aliases.py

@@ -23,8 +23,8 @@ REQUIRED_CAPABILITIES = {
 }
 
 
-def resolve_alias(operation_type: str, alias: str | None = None) -> ResolvedModel:
-    """Resolve an external capability alias to a provider-ready model config."""
+def resolve_model_alias(operation_type: str, alias: str | None = None) -> ModelAlias:
+    """Resolve an external capability alias to an active ModelAlias row."""
     required_capability = REQUIRED_CAPABILITIES.get(operation_type)
     if required_capability is None:
         raise AliasResolutionError(f"unsupported operation_type: {operation_type}")
@@ -52,4 +52,9 @@ def resolve_alias(operation_type: str, alias: str | None = None) -> ResolvedMode
             f"alias {model_alias.alias} maps to model {ai_model.name} without "
             f"{required_capability} capability"
         )
-    return ai_model.to_resolved_model()
+    return model_alias
+
+
+def resolve_alias(operation_type: str, alias: str | None = None) -> ResolvedModel:
+    """Resolve an external capability alias to a provider-ready model config."""
+    return resolve_model_alias(operation_type, alias).ai_model.to_resolved_model()