refactor(webui): derive provider model catalog kind

nanobot/providers/registry.py

@@ -32,6 +32,7 @@ class ProviderSpec:
     keywords: tuple[str, ...]  # model-name keywords for matching (lowercase)
     env_key: str  # env var for API key, e.g. "DASHSCOPE_API_KEY"
     display_name: str = ""  # shown in `nanobot status`
+    model_catalog: str = "auto"  # WebUI model-list source
 
     # which provider implementation to use
     # "openai_compat" | "anthropic" | "azure_openai" | "openai_codex" | "github_copilot" | "bedrock"
@@ -221,6 +222,7 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
         keywords=("skywork", "skyclaw", "apifree"),
         env_key="SKYWORK_API_KEY",
         display_name="Skywork",
+        model_catalog="official",
         backend="openai_compat",
         env_extras=(("APIFREE_API_KEY", "{api_key}"),),
         is_gateway=True,

nanobot/webui/settings_api.py

@@ -99,47 +99,6 @@ _CONTEXT_WINDOW_TOKEN_OPTIONS = {65_536, 200_000, 262_144}
 _MODEL_CONFIGURATION_SLUG_RE = re.compile(r"[^a-z0-9_-]+")
 _ENV_REF_RE = re.compile(r"\$\{([A-Za-z_][A-Za-z0-9_]*)\}")
 
-_MODEL_LIST_UNSUPPORTED_BACKENDS = {
-    "anthropic",
-    "azure_openai",
-    "bedrock",
-    "github_copilot",
-    "openai_codex",
-}
-
-_MODEL_LIST_CATALOG_PROVIDERS = {
-    "aihubmix",
-    "byteplus",
-    "byteplus_coding_plan",
-    "huggingface",
-    "novita",
-    "openrouter",
-    "siliconflow",
-    "volcengine",
-    "volcengine_coding_plan",
-}
-
-_MODEL_LIST_OFFICIAL_PROVIDERS = {
-    "ant_ling",
-    "dashscope",
-    "deepseek",
-    "gemini",
-    "groq",
-    "longcat",
-    "minimax",
-    "minimax_anthropic",
-    "mistral",
-    "moonshot",
-    "nvidia",
-    "openai",
-    "qianfan",
-    "skywork",
-    "stepfun",
-    "xiaomi_mimo",
-    "zhipu",
-}
-
-
 class WebUISettingsError(ValueError):
     """User-facing settings validation failure."""
 
@@ -394,10 +353,13 @@ def _provider_settings_row(
 
 
 def _model_catalog_kind(spec: Any) -> str:
-    if spec.name in _MODEL_LIST_CATALOG_PROVIDERS:
-        return "catalog"
-    if spec.name in _MODEL_LIST_OFFICIAL_PROVIDERS:
-        return "official"
+    catalog = getattr(spec, "model_catalog", "auto")
+    if catalog != "auto":
+        return catalog
+    if spec.is_transcription_only or spec.is_oauth:
+        return "unsupported"
+    if spec.backend != "openai_compat" and spec.name != "minimax_anthropic":
+        return "unsupported"
     if spec.is_local:
         return "local"
     if spec.is_direct:
@@ -490,27 +452,20 @@ def provider_models_payload(query: QueryParams) -> dict[str, Any]:
         raise WebUISettingsError("unknown provider")
     spec, provider_key, provider_config = resolved_provider
 
+    catalog_kind = _model_catalog_kind(spec)
     base_payload: dict[str, Any] = {
         "provider": provider_key,
         "label": spec.label,
-        "catalog_kind": _model_catalog_kind(spec),
+        "catalog_kind": catalog_kind,
         "models": [],
         "model_count": 0,
         "message": None,
         "fetched_at": time.time(),
     }
-    if (
-        spec.is_transcription_only
-        or (
-            spec.backend in _MODEL_LIST_UNSUPPORTED_BACKENDS
-            and spec.name != "minimax_anthropic"
-        )
-        or spec.is_oauth
-    ):
+    if catalog_kind == "unsupported":
         return {
             **base_payload,
             "status": "unsupported",
-            "catalog_kind": "unsupported",
             "message": "Model list is not available for this provider. Type a model ID manually.",
         }
 

tests/webui/test_settings_api.py

@@ -11,6 +11,7 @@ from nanobot.config.schema import Config, ModelPresetConfig
 from nanobot.providers.registry import find_by_name
 from nanobot.webui.settings_api import (
     WebUISettingsError,
+    _model_catalog_kind,
     _oauth_provider_status,
     create_model_configuration,
     login_oauth_provider,
@@ -998,9 +999,16 @@ def test_provider_models_payload_requires_gateway_key(
     payload = provider_models_payload({"provider": ["openrouter"]})
 
     assert payload["status"] == "not_configured"
+    assert payload["catalog_kind"] == "catalog"
     assert payload["models"] == []
 
 
+def test_model_catalog_kind_uses_provider_spec_metadata() -> None:
+    assert _model_catalog_kind(find_by_name("skywork")) == "official"
+    assert _model_catalog_kind(find_by_name("anthropic")) == "unsupported"
+    assert _model_catalog_kind(find_by_name("openrouter")) == "catalog"
+
+
 def test_create_model_configuration_accepts_configured_oauth_provider(
     tmp_path,
     monkeypatch: pytest.MonkeyPatch,