Update core scanner, parser, SSH client, and UI

app.py

@@ -64,6 +64,20 @@ def api_scan():
     return jsonify({"status": "started", "dept": None})
 
 
+@app.route("/api/scan/clear", methods=["POST"])
+def api_scan_clear():
+    """Wipe all switch & link data then run a full scan."""
+    if scanner.scan_state["running"]:
+        return jsonify({"error": "Scan already running"}), 409
+    conn = db.get_conn()
+    conn.execute("DELETE FROM switches")
+    conn.execute("DELETE FROM links")
+    conn.commit()
+    conn.close()
+    _trigger_scan_background(dept=None)
+    return jsonify({"status": "started", "cleared": True})
+
+
 @app.route("/api/scan/elec", methods=["POST"])
 def api_scan_elec():
     """Scan only ELEC department switches."""
@@ -116,6 +130,8 @@ def api_topology():
                 "hostname": sw.get("hostname", ""),
                 "mgmt_ip": sw.get("mgmt_ip", ""),
                 "description": sw.get("description", ""),
+                "firmware": sw.get("firmware", ""),
+                "vendor": sw.get("vendor", ""),
                 "chassis_id": chassis_id,
                 "last_seen": sw.get("last_seen", ""),
             }