feat: migrate part of the web API module to Flask-RESTX (#24577)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/controllers/web/__init__.py

@@ -1,19 +1,20 @@
 from flask import Blueprint
+from flask_restx import Namespace
 
 from libs.external_api import ExternalApi
 
-from .files import FileApi
-from .remote_files import RemoteFileInfoApi, RemoteFileUploadApi
-
 bp = Blueprint("web", __name__, url_prefix="/api")
-api = ExternalApi(bp)
 
-# Files
-api.add_resource(FileApi, "/files/upload")
+api = ExternalApi(
+    bp,
+    version="1.0",
+    title="Web API",
+    description="Public APIs for web applications including file uploads, chat interactions, and app management",
+    doc="/docs",  # Enable Swagger UI at /api/docs
+)
 
-# Remote files
-api.add_resource(RemoteFileInfoApi, "/remote-files/<path:url>")
-api.add_resource(RemoteFileUploadApi, "/remote-files/upload")
+# Create namespace
+web_ns = Namespace("web", description="Web application API operations", path="/")
 
 from . import (
     app,
@@ -21,11 +22,15 @@ from . import (
     completion,
     conversation,
     feature,
+    files,
     forgot_password,
     login,
     message,
     passport,
+    remote_files,
     saved_message,
     site,
     workflow,
 )
+
+api.add_namespace(web_ns)