Update capability plugin config validation (#1219)

Author: wu-clan

.schemas/plugin.schema.json

@@ -11,7 +11,7 @@
     "plugin": {
       "type": "object",
       "description": "Plugin metadata",
-      "required": ["summary", "version", "description", "author", "tags", "database"],
+      "required": ["summary", "version", "description", "author", "tags"],
       "additionalProperties": false,
       "x-tombi-table-keys-order": "schema",
       "properties": {
@@ -55,7 +55,7 @@
         "database": {
           "type": "array",
           "minItems": 1,
-          "description": "Supported databases",
+          "description": "Supported databases. Required for app-level and extend-level plugins, optional for capability-level plugins without models.",
           "items": {
             "type": "string",
             "enum": ["mysql", "postgresql"]

backend/plugin/validator.py

@@ -69,6 +69,12 @@ def validate_depends_on(cls, v: list[str]) -> list[str]:
         return v
 
 
+class CapabilityPluginInfoSchema(PluginInfoSchema):
+    """能力型插件信息模型"""
+
+    database: list[str] = Field(default_factory=list, description='数据库支持')
+
+
 class AppPluginAppSchema(BaseModel):
     """应用级插件 app 配置模型"""
 
@@ -168,7 +174,7 @@ class CapabilityPluginConfigSchema(BaseModel):
 
     model_config = ConfigDict(extra='forbid')
 
-    plugin: PluginInfoSchema = Field(..., description='插件信息')
+    plugin: CapabilityPluginInfoSchema = Field(..., description='插件信息')
     settings: dict[str, Any] = Field(default_factory=dict, description='配置项')
 
     @field_validator('settings')
@@ -220,6 +226,9 @@ def validate_plugin_config(plugin_name: str, config: dict[str, Any]) -> PluginLe
     plugin_dir = Path(PLUGIN_DIR) / plugin_name
     model_dir = plugin_dir / 'model'
     if model_dir.is_dir():
+        if not config['plugin'].get('database'):
+            raise PluginConfigError(f'插件 {plugin_name} 包含 model 目录时必须声明支持的数据库')
+
         sql_dir = plugin_dir / 'sql'
         supported_db_types = []
         missing_details = []