feat: add Copy for AI snapshot button to webui

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

services/agent-system/webui/index.html

@@ -277,8 +277,9 @@
           <option value="maintenance">MAINTENANCE</option>
         </select>
       </div>
-      <div class="header-actions">
+      <div class="header-actions" style="display:flex; gap:8px; align-items:center">
         <button onclick="refreshData()">Refresh</button>
+        <button id="copy-ai-btn" onclick="copyForAI()">Copy for AI</button>
       </div>
     </header>
 
@@ -691,6 +692,73 @@
       }
     }
 
+    async function copyForAI() {
+      const btn = document.getElementById('copy-ai-btn');
+      const original = btn.textContent;
+      btn.textContent = 'Copying...';
+      btn.disabled = true;
+
+      try {
+        const snap = await fetchData('/snapshot');
+        if (!snap) throw new Error('snapshot fetch failed');
+
+        const now = new Date(snap.timestamp);
+        const dateStr = now.toISOString().slice(0, 16).replace('T', ' ');
+        const lines = [];
+
+        lines.push(`=== HOMELAB SNAPSHOT ${dateStr} ===`);
+
+        if (snap.nodes && snap.nodes.length > 0) {
+          lines.push('NODES: ' + snap.nodes.map(n =>
+            `${(n.hostname || n.id || '?').toUpperCase()} ${(n.health || 'unknown').toUpperCase()}`
+          ).join(', '));
+        } else {
+          lines.push('NODES: none');
+        }
+
+        if (snap.non_nominal_services && snap.non_nominal_services.length > 0) {
+          lines.push('ERRORS: ' + snap.non_nominal_services.map(s =>
+            `${s.name} (${s.node}) - ${s.health}`
+          ).join(', '));
+        } else {
+          lines.push(`ERRORS: none (${snap.nominal_service_count} nominal)`);
+        }
+
+        const activeIncidents = (snap.incidents || []).filter(i => !['resolved', 'closed'].includes(i.status));
+        if (activeIncidents.length > 0) {
+          lines.push('INCIDENTS: ' + activeIncidents.map(i =>
+            `[${i.severity}] ${i.message} (${i.node})`
+          ).join('; '));
+        } else {
+          lines.push('INCIDENTS: none');
+        }
+
+        if (snap.events && snap.events.length > 0) {
+          lines.push(`EVENTS (last ${snap.events.length}):`);
+          snap.events.forEach(ev => {
+            const ts = ev.timestamp
+              ? new Date(ev.timestamp * 1000).toISOString().slice(11, 19)
+              : '?';
+            const svc = ev.service ? '/' + ev.service : '';
+            lines.push(`  ${ts} [${ev.severity || ev.level || '?'}] ${ev.type} - ${ev.message || ''} (${ev.node || ''}${svc})`);
+          });
+        } else {
+          lines.push('EVENTS (last 10): none');
+        }
+
+        const s = snap.summary || {};
+        lines.push(`SUMMARY: status=${s.status || '?'} nodes=${s.node_count ?? '?'} services=${s.service_count ?? '?'} incidents=${s.incident_count ?? '?'}`);
+
+        await navigator.clipboard.writeText(lines.join('\n'));
+        btn.textContent = 'Copied!';
+        setTimeout(() => { btn.textContent = original; btn.disabled = false; }, 2000);
+      } catch (e) {
+        console.error('copyForAI error:', e);
+        btn.textContent = 'Error';
+        setTimeout(() => { btn.textContent = original; btn.disabled = false; }, 2000);
+      }
+    }
+
     // Initial load
     refreshData();
     // Poll for updates

services/agent-system/webui/web.py

@@ -1,6 +1,7 @@
 import json
 import os
 import time
+from datetime import datetime, timezone
 from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
 from pathlib import Path
 
@@ -141,6 +142,28 @@ def mutate_action(action_id, target_status):
         return False, str(e)
 
 
+def get_snapshot():
+    nodes = current_nodes()
+    services = current_services()
+    incidents = current_incidents()
+    events = current_events()
+    summary = current_summary()
+
+    non_nominal = [s for s in services if s.get("health") != "nominal"]
+    nominal_count = len(services) - len(non_nominal)
+
+    return {
+        "timestamp": datetime.now(timezone.utc).isoformat(),
+        "summary": summary,
+        "nodes": nodes,
+        "non_nominal_services": non_nominal,
+        "nominal_service_count": nominal_count,
+        "total_service_count": len(services),
+        "incidents": incidents,
+        "events": events[:10],
+    }
+
+
 def send_json(status, payload, handler):
     body = (json.dumps(payload) + "\n").encode("utf-8")
     handler.send_response(status)
@@ -188,6 +211,10 @@ class Handler(BaseHTTPRequestHandler):
             send_json(200, current_actions(), self)
             return
 
+        if self.path == "/snapshot":
+            send_json(200, get_snapshot(), self)
+            return
+
         if self.path in ("/", "/index.html"):
             body = (STATIC_DIR / "index.html").read_bytes()
             self.send_response(200)