Add dashboard rule atlas

enodia_sentinel/web.py

@@ -275,6 +275,27 @@ def posture_report(cfg: Config, runner=None) -> dict:
     }
 
 
+def rules_catalog(cfg: Config) -> dict:
+    """Return active event-rule metadata for the management console."""
+    from . import ruleops
+
+    rules = ruleops.list_rules(cfg)
+    by_event: dict[str, int] = {}
+    by_severity: dict[str, int] = {}
+    by_origin: dict[str, int] = {}
+    for r in rules:
+        by_event[r["event"]] = by_event.get(r["event"], 0) + 1
+        by_severity[r["severity"]] = by_severity.get(r["severity"], 0) + 1
+        by_origin[r["origin"]] = by_origin.get(r["origin"], 0) + 1
+    return {
+        "count": len(rules),
+        "by_event": by_event,
+        "by_severity": by_severity,
+        "by_origin": by_origin,
+        "rules": rules,
+    }
+
+
 # --- HTTP layer ------------------------------------------------------------
 
 class _Handler(BaseHTTPRequestHandler):
@@ -324,6 +345,8 @@ class _Handler(BaseHTTPRequestHandler):
             self._json({"events": tail_events(cfg)})
         elif path == "/api/posture":
             self._json(posture_report(cfg))
+        elif path == "/api/rules":
+            self._json(rules_catalog(cfg))
         elif path == "/api/incidents":
             self._json(list_incidents(cfg))
         elif path.startswith("/api/incidents/"):