feat(trigger): enhance subscription schema and provider configuration

- Update ProviderConfig to allow a list as a default value
- Introduce SubscriptionSchema for better organization of subscription-related configurations
- Modify TriggerProviderApiEntity to use Optional for subscription_schema
- Add custom_model_schema to TriggerProviderEntity for additional configuration options

Co-authored-by: Claude <noreply@anthropic.com>

api/core/entities/provider_entities.py

@@ -192,7 +192,7 @@ class ProviderConfig(BasicProviderConfig):
 
     scope: AppSelectorScope | ModelSelectorScope | ToolSelectorScope | None = None
     required: bool = False
-    default: Optional[Union[int, str, float, bool]] = None
+    default: Optional[Union[int, str, float, bool, list]] = None
     options: Optional[list[Option]] = None
     label: Optional[I18nObject] = None
     help: Optional[I18nObject] = None

api/core/trigger/entities/api_entities.py

@@ -7,6 +7,7 @@ from core.entities.provider_entities import ProviderConfig
 from core.plugin.entities.plugin_daemon import CredentialType
 from core.trigger.entities.entities import (
     OAuthSchema,
+    SubscriptionSchema,
     TriggerDescription,
     TriggerEntity,
     TriggerParameter,
@@ -26,7 +27,9 @@ class TriggerProviderApiEntity(BaseModel):
     identity: TriggerProviderIdentity = Field(description="The identity of the trigger provider")
     credentials_schema: list[ProviderConfig] = Field(description="The credentials schema of the trigger provider")
     oauth_schema: Optional[OAuthSchema] = Field(description="The OAuth schema of the trigger provider")
-    subscription_schema: list[ProviderConfig] = Field(description="The subscription schema of the trigger provider")
+    subscription_schema: Optional[SubscriptionSchema] = Field(
+        description="The subscription schema of the trigger provider"
+    )
     triggers: list[TriggerEntity] = Field(description="The triggers of the trigger provider")
 
 

api/core/trigger/entities/entities.py

@@ -99,6 +99,20 @@ class OAuthSchema(BaseModel):
         default_factory=list, description="The schema of the OAuth credentials"
     )
 
+class SubscriptionSchema(BaseModel):
+    """
+    The subscription schema of the trigger provider
+    """
+
+    parameters_schema: list[ProviderConfig] | None = Field(
+        default_factory=list,
+        description="The parameters schema required to create a subscription",
+    )
+
+    properties_schema: list[ProviderConfig] | None = Field(
+        default_factory=list,
+        description="The configuration schema stored in the subscription entity",
+    )
 
 class TriggerProviderEntity(BaseModel):
     """
@@ -114,8 +128,7 @@ class TriggerProviderEntity(BaseModel):
         default=None,
         description="The OAuth schema of the trigger provider if OAuth is supported",
     )
-    subscription_schema: list[ProviderConfig] = Field(
-        default_factory=list,
+    subscription_schema: SubscriptionSchema = Field(
         description="The subscription schema for trigger(webhook, polling, etc.) subscription parameters",
     )
     triggers: list[TriggerEntity] = Field(default=[], description="The triggers of the trigger provider")