Be more gentle with frontend typing + go back to fire-and-forget for cracked room creation

app/events.py

@@ -1,6 +1,7 @@
 """Typed WebSocket event contracts and serialization helpers."""
 
 import json
+import logging
 from typing import Any, Literal
 
 from pydantic import TypeAdapter
@@ -9,6 +10,8 @@ from typing_extensions import NotRequired, TypedDict
 from app.models import Channel, Contact, Message, MessagePath, RawPacketBroadcast
 from app.routers.health import HealthResponse
 
+logger = logging.getLogger(__name__)
+
 WsEventType = Literal[
     "health",
     "message",
@@ -82,9 +85,16 @@ def dump_ws_event(event_type: str, data: Any) -> str:
     if adapter is None:
         return json.dumps({"type": event_type, "data": data})
 
-    validated = adapter.validate_python(data)
+    try:
-    payload = adapter.dump_python(validated, mode="json")
+        validated = adapter.validate_python(data)
-    return json.dumps({"type": event_type, "data": payload})
+        payload = adapter.dump_python(validated, mode="json")
+        return json.dumps({"type": event_type, "data": payload})
+    except Exception:
+        logger.exception(
+            "Failed to validate WebSocket payload for event %s; falling back to raw JSON envelope",
+            event_type,
+        )
+        return json.dumps({"type": event_type, "data": data})
 
 
 def dump_ws_event_payload(event_type: str, data: Any) -> Any:

frontend/src/hooks/useAppShellProps.ts

@@ -188,7 +188,9 @@ export function useAppShellProps({
         key_type: 'channel',
         channel_key: created.key,
       });
-      await fetchUndecryptedCount();
+      void fetchUndecryptedCount().catch((error) => {
+        console.error('Failed to refresh undecrypted count after cracked channel create:', error);
+      });
     },
     [fetchUndecryptedCount, setChannels]
   );

frontend/src/test/useAppShellProps.test.ts

@@ -186,4 +186,40 @@ describe('useAppShellProps', () => {
     });
     expect(args.fetchUndecryptedCount).toHaveBeenCalledTimes(1);
   });
+
+  it('does not fail cracked channel creation when undecrypted count refresh rejects', async () => {
+    mocks.api.createChannel.mockResolvedValue({
+      key: '22'.repeat(16),
+      name: 'Found',
+      is_hashtag: false,
+    });
+    mocks.api.getChannels.mockResolvedValue([
+      publicChannel,
+      { ...publicChannel, key: '22'.repeat(16), name: 'Found' },
+    ]);
+    mocks.api.decryptHistoricalPackets.mockResolvedValue({ decrypted_count: 4 });
+
+    const args = createArgs({
+      fetchUndecryptedCount: vi.fn(async () => {
+        throw new Error('refresh failed');
+      }),
+    });
+    const consoleError = vi.spyOn(console, 'error').mockImplementation(() => {});
+    const { result } = renderHook(() => useAppShellProps(args));
+
+    await act(async () => {
+      await result.current.crackerProps.onChannelCreate('Found', '22'.repeat(16));
+    });
+
+    expect(mocks.api.decryptHistoricalPackets).toHaveBeenCalledWith({
+      key_type: 'channel',
+      channel_key: '22'.repeat(16),
+    });
+    expect(consoleError).toHaveBeenCalledWith(
+      'Failed to refresh undecrypted count after cracked channel create:',
+      expect.any(Error)
+    );
+
+    consoleError.mockRestore();
+  });
 });

tests/test_websocket.py

@@ -5,7 +5,6 @@ import json
 from unittest.mock import AsyncMock, patch
 
 import pytest
-from pydantic import ValidationError
 
 from app.websocket import SEND_TIMEOUT_SECONDS, WebSocketManager
 
@@ -262,8 +261,12 @@ class TestTypedEventSerialization:
             "data": {"message_id": 7, "ack_count": 2},
         }
 
-    def test_dump_ws_event_validates_supported_payloads(self):
+    def test_dump_ws_event_falls_back_to_raw_payload_when_validation_fails(self):
         from app.events import dump_ws_event
 
-        with pytest.raises(ValidationError):
+        serialized = dump_ws_event("message_acked", {"ack_count": 2})
-            dump_ws_event("message_acked", {"ack_count": 2})
+
+        assert json.loads(serialized) == {
+            "type": "message_acked",
+            "data": {"ack_count": 2},
+        }