fix: Provider.meta() error (#3647)

fixes: #3643

astrbot/core/provider/entities.py

@@ -30,21 +30,31 @@ class ProviderType(enum.Enum):
 
 
 @dataclass
-class ProviderMetaData:
+class ProviderMeta:
+    """The basic metadata of a provider instance."""
+
     id: str
-    """提供商适配器 ID"""
+    """the unique id of the provider instance that user configured"""
+    model: str | None
+    """the model name of the provider instance currently used"""
     type: str
-    """提供商适配器名称，如 openai, ollama"""
-    desc: str = ""
-    """提供商适配器描述"""
+    """the name of the provider adapter, such as openai, ollama"""
     provider_type: ProviderType = ProviderType.CHAT_COMPLETION
-    """提供商类型"""
+    """the capability type of the provider adapter"""
+
+
+@dataclass
+class ProviderMetaData(ProviderMeta):
+    """The metadata of a provider adapter for registration."""
+
+    desc: str = ""
+    """the short description of the provider adapter"""
     cls_type: Any = None
-    """提供商适配器类类型"""
+    """the class type of the provider adapter"""
     default_config_tmpl: dict | None = None
-    """平台的默认配置模板"""
+    """the default configuration template of the provider adapter"""
     provider_display_name: str | None = None
-    """显示在 WebUI 配置页中的提供商名称，如空则是 type"""
+    """the display name of the provider shown in the WebUI configuration page; if empty, the type is used"""
 
 
 @dataclass

astrbot/core/provider/provider.py

@@ -7,7 +7,7 @@ from astrbot.core.agent.tool import ToolSet
 from astrbot.core.db.po import Personality
 from astrbot.core.provider.entities import (
     LLMResponse,
-    ProviderMetaData,
+    ProviderMeta,
     RerankResult,
     ToolCallsResult,
 )
@@ -30,13 +30,19 @@ class AbstractProvider(abc.ABC):
         """Get the current model name"""
         return self.model_name
 
-    def meta(self) -> ProviderMetaData:
+    def meta(self) -> ProviderMeta:
         """Get the provider metadata"""
         provider_type_name = self.provider_config["type"]
         meta_data = provider_cls_map.get(provider_type_name)
         if not meta_data:
             raise ValueError(f"Provider type {provider_type_name} not registered")
-        return meta_data
+        meta = ProviderMeta(
+            id=self.provider_config.get("id", "default"),
+            model=self.get_model(),
+            type=provider_type_name,
+            provider_type=meta_data.provider_type,
+        )
+        return meta
 
 
 class Provider(AbstractProvider):

astrbot/core/provider/register.py

@@ -37,6 +37,7 @@ def register_provider_adapter(
 
         pm = ProviderMetaData(
             id="default",  # will be replaced when instantiated
+            model=None,
             type=provider_type_name,
             desc=desc,
             provider_type=provider_type,