Add hot-update boot pipeline, UI bundles/atlas assets, and design docs.

Ignore AIClient/Library and AIClient/HybridCLRData permanently; include HybridCLR/YooAsset project setup and UI tooling.

Co-authored-by: Cursor <cursoragent@cursor.com>

Tools/http_probe_login2.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+import json
+import urllib.error
+import urllib.request
+
+BASE = "https://game.xworld.ren"
+
+BODIES = [
+    {"user": "test", "pass": "test"},
+    {"account": "test", "password": "test"},
+    {"name": "test", "password": "test"},
+    {"username": "admin", "password": "admin"},
+    {"username": "guest", "password": "guest"},
+    {"username": "demo", "password": "demo"},
+    {"username": "udx", "password": "abcd99"},
+    {"username": "test", "password": "test", "platform": "editor"},
+    {"username": "test", "password": "test", "pid": "m2"},
+    {"username": "a", "password": "b", "deviceId": "x"},
+]
+
+PATHS = ["/login", "/register", "/signup", "/guest", "/auth", "/token"]
+
+
+def post(path, payload):
+    data = json.dumps(payload).encode()
+    req = urllib.request.Request(BASE + path, data=data, method="POST")
+    req.add_header("Content-Type", "application/json")
+    try:
+        with urllib.request.urlopen(req, timeout=10) as resp:
+            body = resp.read().decode("utf-8", "replace")
+            print(f"OK {resp.status} {path} {payload} => {body[:500]}")
+            return body
+    except urllib.error.HTTPError as e:
+        body = e.read().decode("utf-8", "replace")
+        print(f"HTTP {e.code} {path} {payload} => {body[:500]}")
+        return None
+    except Exception as e:
+        print(f"ERR {path}: {e}")
+        return None
+
+
+def main():
+    print("=== path discovery ===")
+    for p in PATHS:
+        post(p, {"username": "x", "password": "y"})
+
+    print("=== login field variants ===")
+    for b in BODIES:
+        post("/login", b)
+
+
+if __name__ == "__main__":
+    main()