fix(aiops): suppress repeated llm alert loops

apps/api/tests/test_openclaw_cache_key.py

@@ -0,0 +1,42 @@
+from src.services.openclaw import OpenClawService, _build_alert_cache_context_hash
+
+
+def test_openclaw_cache_key_uses_stable_alert_scope_when_context_hash_exists():
+    service = object.__new__(OpenClawService)
+    context_hash = "HostBackupFailed:backup_failure:awoooi-prod:awoooi-frequent:critical:fp-1"
+    prompt_a = "System prompt and instructions\n\n## Alert Data:\ncurrent_value=1"
+    prompt_b = "System prompt and instructions\n\n## Alert Data:\ncurrent_value=2"
+
+    assert service._generate_cache_key(prompt_a, context_hash) == service._generate_cache_key(
+        prompt_b,
+        context_hash,
+    )
+
+
+def test_openclaw_cache_key_keeps_full_prompt_specificity_without_context_hash():
+    service = object.__new__(OpenClawService)
+    prompt_a = "System prompt and instructions\n\n## Alert Data:\ncurrent_value=1"
+    prompt_b = "System prompt and instructions\n\n## Alert Data:\ncurrent_value=2"
+
+    assert service._generate_cache_key(prompt_a) != service._generate_cache_key(prompt_b)
+
+
+def test_openclaw_alert_cache_context_hash_ignores_dynamic_annotations():
+    base_context = {
+        "alertname": "HostBackupFailed",
+        "alert_category": "backup_failure",
+        "namespace": "awoooi-prod",
+        "target_resource": "awoooi-frequent",
+        "severity": "critical",
+        "fingerprint": "fp-1",
+        "annotations": {"description": "failed at 14:00"},
+    }
+    next_context = {
+        **base_context,
+        "annotations": {"description": "failed at 14:01"},
+        "message": "new volatile message",
+    }
+
+    assert _build_alert_cache_context_hash(base_context) == _build_alert_cache_context_hash(
+        next_context
+    )