display and acknowledge alerts

hbd/server/http.py

@@ -323,6 +323,49 @@ async def start(
             "summary": summary,
             "host_count": len(hbdclass.Host.hosts),
         })
+    
+    async def api_acknowledge_alert(request):
+        """Acknowledge an alert to stop reminder notifications."""
+        try:
+            data = await request.json()
+        except Exception:
+            return web.json_response(
+                {"error": "Invalid JSON in request body"},
+                status=400
+            )
+        
+        hostname = data.get("hostname")
+        metric_path = data.get("metric_path")
+        
+        if not hostname or not metric_path:
+            return web.json_response(
+                {"error": "Missing required fields: hostname and metric_path"},
+                status=400
+            )
+        
+        if hostname not in hbdclass.Host.hosts:
+            return web.json_response(
+                {"error": f"Host '{hostname}' not found"},
+                status=404
+            )
+        
+        host = hbdclass.Host.hosts[hostname]
+        
+        if metric_path not in host.alert_states:
+            return web.json_response(
+                {"error": f"Alert '{metric_path}' not found for host '{hostname}'"},
+                status=404
+            )
+        
+        alert_state = host.alert_states[metric_path]
+        alert_state.acknowledge()
+        
+        return web.json_response({
+            "success": True,
+            "hostname": hostname,
+            "metric_path": metric_path,
+            "acknowledged_at": alert_state.acknowledged_at,
+        })
 
     # -------------------------------------------------------------------------
     # UI Pages
@@ -375,6 +418,7 @@ async def start(
             web.get("/api/0/hosts/{hostname}/plugins/{plugin_name}", api_host_plugin_detail),
             web.get("/api/0/hosts/{hostname}/alerts", api_host_alerts),
             web.get("/api/0/alerts", api_all_alerts),
+            web.post("/api/0/alerts/acknowledge", api_acknowledge_alert),
             web.get("/c", cmd),
             web.get("/d", drop),
             web.get("/n", register),