fix(server): fix werkzeug metadata lookup crash & add update channel selector (Stable/Beta)

app/src/main/python/run_ppsr.py

@@ -8,12 +8,62 @@ import socket
 import struct
 import warnings
 
-# === GLOBAL WARNING SUPPRESSION (very early) ===
+# === GLOBAL WARNING SUPPRESSION & METADATA SHIM (very early) ===
+try:
+    import importlib.metadata
+    _orig_metadata_version = importlib.metadata.version
+    _orig_metadata_distribution = importlib.metadata.distribution
+
+    _KNOWN_VERSIONS = {
+        "werkzeug": "3.1.9",
+        "flask": "3.1.3",
+        "marshmallow": "3.20.0",
+        "requests": "2.34.2",
+        "urllib3": "2.8.0",
+        "protobuf": "7.36.2",
+        "click": "8.5.0",
+        "jinja2": "3.1.6",
+        "itsdangerous": "2.2.0",
+        "blinker": "1.9.0",
+        "markupsafe": "3.0.4",
+        "dataclasses-json": "0.6.7",
+        "dataclasses_json": "0.6.7",
+        "packaging": "26.3"
+    }
+
+    class _ShimedDistribution:
+        def __init__(self, name, version):
+            self.name = name
+            self.version = version
+            self.metadata = {"Name": name, "Version": version}
+
+    def _safe_metadata_version(name):
+        try:
+            return _orig_metadata_version(name)
+        except Exception:
+            clean = name.lower().replace("-", "_")
+            return _KNOWN_VERSIONS.get(name.lower(), _KNOWN_VERSIONS.get(clean, "1.0.0"))
+
+    def _safe_metadata_distribution(name):
+        try:
+            return _orig_metadata_distribution(name)
+        except Exception:
+            ver = _safe_metadata_version(name)
+            return _ShimedDistribution(name, ver)
+
+    importlib.metadata.version = _safe_metadata_version
+    importlib.metadata.distribution = _safe_metadata_distribution
+except Exception:
+    pass
+
+warnings.filterwarnings("ignore", message=".*default.*deprecated.*")
+warnings.filterwarnings("ignore", message=".*metadata.*deprecated.*")
+warnings.filterwarnings("ignore", module="marshmallow.*")
+warnings.filterwarnings("ignore", module="dataclasses_json.*")
+
 try:
     from marshmallow.warnings import RemovedInMarshmallow4Warning
     warnings.filterwarnings("ignore", category=RemovedInMarshmallow4Warning)
-    warnings.filterwarnings("ignore", message=".*default.*deprecated.*")
-    warnings.filterwarnings("ignore", message=".*metadata.*deprecated.*")
     warnings.simplefilter("ignore", category=RemovedInMarshmallow4Warning)
     print("[Shim] Global warning suppression activated")
 except Exception:
@@ -160,6 +210,11 @@ def run_server(ppsr_path, activity_context=None):
         if os.path.exists(path) and path not in sys.path:
             sys.path.insert(0, path)
 
+    warnings.filterwarnings("ignore", message=".*default.*deprecated.*")
+    warnings.filterwarnings("ignore", message=".*metadata.*deprecated.*")
+    warnings.filterwarnings("ignore", module="marshmallow.*")
+    warnings.filterwarnings("ignore", module="dataclasses_json.*")
+
     # Verify and auto-recover critical packages if needed
     for pkg_name in ["requests", "werkzeug", "flask"]:
         try:
@@ -175,6 +230,12 @@ def run_server(ppsr_path, activity_context=None):
     # --- Werkzeug Patch ---
     try:
         import werkzeug.serving
+        if hasattr(werkzeug.serving, "ThreadedWSGIServer"):
+            try:
+                werkzeug.serving.ThreadedWSGIServer._server_version = "Werkzeug/3.1.9"
+            except Exception:
+                pass
+
         _orig_make_server = werkzeug.serving.make_server
 
         def _patched_make_server(*args, **kwargs):
@@ -182,6 +243,11 @@ def run_server(ppsr_path, activity_context=None):
             kwargs.pop('options', None)
             server = _orig_make_server(*args, **kwargs)
 
+            try:
+                server._server_version = "Werkzeug/3.1.9"
+            except Exception:
+                pass
+
             try:
                 if hasattr(server, 'socket') and server.socket:
                     server.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)