fix(topology): secure and unify demo serving

topology_api/app.py

@@ -1,10 +1,15 @@
 # topology_api/app.py
-from flask import Flask
+from pathlib import Path
+
+from flask import Flask, send_from_directory
 from flask_cors import CORS
 from topology_api.config import API_HOST, API_PORT, API_DEBUG
 from topology_api.routes.snapshot import snapshot_bp
 
 
+WIKI_DIR = Path(__file__).resolve().parents[1] / "data" / "wiki"
+
+
 def create_app():
     app = Flask(__name__)
     CORS(app)
@@ -14,6 +19,10 @@ def create_app():
     def health():
         return {"status": "ok"}
 
+    @app.route("/guanghan_topology_demo.html")
+    def topology_demo():
+        return send_from_directory(WIKI_DIR, "guanghan_topology_demo.html")
+
     return app