fix(auto-repair): preserve exact playbook candidates

scripts/ops/awooop-seed-auto-repair-canary-playbook.py

@@ -27,7 +27,7 @@ for _api_root in (_IMAGE_API_ROOT, _REPO_API_ROOT):
         sys.path.insert(0, str(_api_root))
         break
 
-from src.models.playbook import (
+from src.models.playbook import (  # noqa: E402
     ActionType,
     Playbook,
     PlaybookSource,
@@ -36,9 +36,9 @@ from src.models.playbook import (
     RiskLevel,
     SymptomPattern,
 )
-from src.core.redis_client import close_redis_pool, init_redis_pool
-from src.repositories.playbook_repository import get_playbook_repository
-from src.utils.timezone import now_taipei
+from src.core.redis_client import close_redis_pool, init_redis_pool  # noqa: E402
+from src.repositories.playbook_repository import get_playbook_repository  # noqa: E402
+from src.utils.timezone import now_taipei  # noqa: E402
 
 
 DEFAULT_ALERTNAME = "AwoooPAutoRepairCanaryT16"
@@ -63,10 +63,11 @@ class SeedResult:
 def _playbook_id_for_alertname(alertname: str) -> str:
     if alertname == DEFAULT_ALERTNAME:
         return "PB-AWOOOP-T16-CANARY"
+    prefix = "PB-AWOOOP-CANARY-"
     suffix = re.sub(r"[^A-Z0-9]+", "-", alertname.upper()).strip("-")
     suffix = suffix.replace("AWOOOP-AUTO-REPAIR-CANARY-", "")
-    suffix = suffix[:18] or "T16"
-    return f"PB-AWOOOP-CANARY-{suffix}"
+    suffix = suffix[: 32 - len(prefix)] or "T16"
+    return f"{prefix}{suffix}"
 
 
 async def seed_canary_playbook(