Fix admin QR generation flow

web_app.py

@@ -2,9 +2,10 @@ import os
 
 from flask import Flask, jsonify, render_template, request
 
-from miniapp_qr_poc import generate_member_qr, load_found_ids
+from miniapp_qr_poc import generate_member_qr
 
 app = Flask(__name__)
+ADMIN_MEMBER_ID = 104891
 
 
 @app.get("/")
@@ -17,24 +18,18 @@ def healthz():
     return jsonify({"ok": True})
 
 
-@app.get("/api/found-ids")
-def api_found_ids():
-    items = load_found_ids()
-    return jsonify({"ok": True, "count": len(items), "items": items})
-
-
 @app.post("/api/generate")
 def api_generate():
     payload = request.get_json(silent=True)
     if payload is None:
         payload = request.form
 
-    member_id = payload.get("member_id") if payload else None
-    if member_id is None or str(member_id).strip() == "":
-        return jsonify({"ok": False, "error": "missing member_id"}), 400
+    member_id = ADMIN_MEMBER_ID
+    if payload and payload.get("member_id") not in (None, "", ADMIN_MEMBER_ID, str(ADMIN_MEMBER_ID)):
+        return jsonify({"ok": False, "error": f"only member_id={ADMIN_MEMBER_ID} is supported"}), 400
 
     try:
-        result = generate_member_qr(int(member_id), include_data_url=True)
+        result = generate_member_qr(member_id, include_data_url=True)
     except ValueError as exc:
         return jsonify({"ok": False, "error": str(exc)}), 400
     except Exception as exc: