fix: create missing devices during peer sync

- bulk_update_devices now creates devices if they don't exist locally
  but have useful metadata (floor, label, or favorite status)
- Sync trigger endpoint now reports both pulled and pushed device counts
- Enables full bidirectional sync of device metadata between peers

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/rf_mapper/database.py

@@ -1025,9 +1025,24 @@ class DeviceDatabase:
                     if cursor.rowcount > 0:
                         updated_count += 1
             else:
-                # Device doesn't exist locally - we can only sync metadata for
-                # devices we've seen, so skip unknown devices
-                pass
+                # Device doesn't exist locally - create it if it has useful metadata
+                if dev.get("assigned_floor") is not None or dev.get("custom_label") or dev.get("is_favorite"):
+                    device_type = dev.get("device_type", "bluetooth")
+                    name = dev.get("name") or dev.get("ssid") or device_id
+                    now = datetime.now().isoformat()
+
+                    cursor.execute("""
+                        INSERT INTO devices (device_id, device_type, name, ssid, manufacturer,
+                                           custom_label, assigned_floor, is_favorite, notes,
+                                           first_seen, last_seen, total_observations, updated_at)
+                        VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 0, ?)
+                    """, (
+                        device_id, device_type, name, dev.get("ssid"), dev.get("manufacturer"),
+                        dev.get("custom_label"), dev.get("assigned_floor"),
+                        1 if dev.get("is_favorite") else 0, dev.get("notes"),
+                        now, now, dev.get("updated_at", now)
+                    ))
+                    updated_count += 1
 
         conn.commit()
         return updated_count

src/rf_mapper/web/app.py

@@ -1389,12 +1389,14 @@ def create_app(config: Config | None = None) -> Flask:
             peer_id = peer["scanner_id"]
             peer_url = peer["url"]
             try:
-                updated = peer_sync.sync_devices_from_peer(peer_url)
-                peer_sync.push_devices_to_peer(peer_url)
+                pulled = peer_sync.sync_devices_from_peer(peer_url)
+                push_result = peer_sync.push_devices_to_peer(peer_url)
+                pushed = push_result.get("updated", 0) if push_result else 0
                 results.append({
                     "peer_id": peer_id,
                     "status": "success",
-                    "devices_updated": updated
+                    "devices_pulled": pulled,
+                    "devices_pushed": pushed
                 })
             except Exception as e:
                 results.append({