Initialize repository snapshot

tools/sentinel_failure_codes.py

@@ -0,0 +1,22 @@
+from __future__ import annotations
+
+from enum import Enum
+
+
+class FailureCode(str, Enum):
+    SCHEMA_INVALID = "E_SCHEMA_INVALID"
+    MANIFEST_HASH_MISMATCH = "E_MANIFEST_HASH_MISMATCH"
+    MISSING_REQUIRED_FILE = "E_MISSING_REQUIRED_FILE"
+    EVENT_HASH_MISMATCH = "E_EVENT_HASH_MISMATCH"
+    CHAIN_DISCONTINUITY = "E_CHAIN_DISCONTINUITY"
+    SEQ_NON_MONOTONIC = "E_SEQ_NON_MONOTONIC"
+    ROOT_MISMATCH = "E_ROOT_MISMATCH"
+    RANGE_MISMATCH = "E_RANGE_MISMATCH"
+    CANON_VERSION_UNSUPPORTED = "E_CANON_VERSION_UNSUPPORTED"
+    OVERSIZE_INPUT = "E_OVERSIZE_INPUT"
+    REVOKED_CAPABILITY_USED = "E_REVOKED_CAPABILITY_USED"
+
+
+class WarningCode(str, Enum):
+    FILE_NOT_IN_MANIFEST = "W_FILE_NOT_IN_MANIFEST"
+    RANGE_ROOT_PARTIAL = "W_RANGE_ROOT_PARTIAL"