feat: 添加 points_audit_ledger 及 JSON 字段 Pydantic Schema 约束

backend/src/core/config/settings.py

@@ -207,6 +207,22 @@ class AgentRuntimeSettings(BaseModel):
     attachment_content_cache_max_base64_bytes: int = 262144
 
 
+class PointsPolicySettings(BaseModel):
+    register_bonus_points: int = Field(default=60, ge=0, le=1_000_000)
+    register_bonus_hmac_key: SecretStr = SecretStr("")
+
+    @model_validator(mode="after")
+    def validate_hmac_key(self) -> "PointsPolicySettings":
+        key = self.register_bonus_hmac_key.get_secret_value().strip()
+        if not key:
+            raise ValueError("points_policy.register_bonus_hmac_key must not be empty")
+        if key.upper() == "CHANGE_ME":
+            raise ValueError(
+                "points_policy.register_bonus_hmac_key must not be CHANGE_ME"
+            )
+        return self
+
+
 def _resolve_env_file() -> str:
     current = Path(__file__).resolve()
     for parent in [current, *current.parents]:
@@ -233,6 +249,7 @@ class Settings(BaseSettings):
     test: TestSettings = Field(default_factory=TestSettings)
     taskiq: TaskiqSettings = Field(default_factory=TaskiqSettings)
     agent_runtime: AgentRuntimeSettings = Field(default_factory=AgentRuntimeSettings)
+    points_policy: PointsPolicySettings = Field(default_factory=PointsPolicySettings)
 
     @computed_field
     @property