fix(hardening): give application a safe default Grant scope

active-runtime/app/aios_v2/provenance_operations.py

@@ -21,6 +21,13 @@ from .provenance_grants import GrantAuthorization, GrantVerifier, SQLiteGrantSto
 from .provenance_scoped import ScopedLeastPrivilegeProvenanceWriter
 
 
+APPLICATION_PROVENANCE_SCOPE = (
+    ExecutionPath.RUNTIME_EXECUTE.value,
+    ExecutionPath.EVIDENCE_WRITE.value,
+    ExecutionPath.AUDIT.value,
+)
+
+
 class AuthorizationWriter(Protocol):
     def authorize_deployment(self, **values: Any) -> Any: ...
     def authorize_rollback(self, **values: Any) -> Any: ...
@@ -159,19 +166,10 @@ def grant_ids_from_environment(
             }
         )
     )
-    values = {
-        path: os.getenv(_GRANT_ENV_BY_PATH[path], "").strip()
-        for path in paths
-    }
-    missing = [
-        _GRANT_ENV_BY_PATH[path]
-        for path, value in values.items()
-        if not value
-    ]
+    values = {path: os.getenv(_GRANT_ENV_BY_PATH[path], "").strip() for path in paths}
+    missing = [_GRANT_ENV_BY_PATH[path] for path, value in values.items() if not value]
     if missing:
-        raise RuntimeError(
-            f"missing scoped Provenance Grant configuration: {missing}"
-        )
+        raise RuntimeError(f"missing scoped Provenance Grant configuration: {missing}")
     return values
 
 
@@ -180,12 +178,13 @@ def build_provenance_writer_from_env(
     state_dir: str | Path | None = None,
     required: bool | None = None,
     required_paths: Sequence[str] | None = None,
-    writer_id: str = "aios-v2-scoped-grant-writer",
+    writer_id: str = "aios-v2-application-grant-writer",
 ) -> AuthorizationWriter | None:
     """从环境构建服务级最小权限 Writer。
 
-    生产强制模式必须显式声明当前进程需要的路径；仅加载这些路径对应的 Grant。
-    旧全权限 Writer 只允许在显式关闭强制模式的候选/测试环境中使用。
+    生产应用默认只加载 Runtime、Evidence、Audit Grant。Git、部署和回滚进程
+    必须显式传入自己的 ``required_paths``，不能继承应用默认范围。旧全权限 Writer
+    只允许在显式关闭强制模式的候选/测试环境中使用。
     """
 
     require_value = (
@@ -217,23 +216,21 @@ def build_provenance_writer_from_env(
         sorted(
             {
                 ExecutionPath(path).value
-                for path in (required_paths or ())
+                for path in (
+                    required_paths
+                    if required_paths is not None
+                    else APPLICATION_PROVENANCE_SCOPE
+                )
             }
         )
     )
 
     if require_value:
         if not normalized_paths:
-            raise RuntimeError(
-                "production Run Provenance requires explicit service scope"
-            )
+            raise RuntimeError("production Run Provenance requires a non-empty service scope")
         grant_ids = grant_ids_from_environment(required_paths=normalized_paths)
         grant_store = SQLiteGrantStore(store_file)
-        trusted_grants = GrantVerifier(
-            parent_store,
-            grant_store,
-            {key_id: verifier},
-        )
+        trusted_grants = GrantVerifier(parent_store, grant_store, {key_id: verifier})
         return ScopedLeastPrivilegeProvenanceWriter(
             trusted_grants,
             receipt_root,