## Problem
TestEndToEndJobLifecycle was failing with two issues:
1. Race condition: Workers signaled ready before job was processed, receiving
MsgNoWork instead of MsgJobAssign
2. getTask() didn't check pendingAcceptance - assigned-but-not-yet-accepted
tasks returned nil
## Changes
### Test Fix (restart_recovery_test.go)
- Replace single-shot select with retry loop that re-signals workers as ready
- Handle both assignment and non-assignment messages correctly
- Add 10ms delay between non-assignment messages to allow job processing
- Use 2-second deadline with 100ms timeout intervals
### Scheduler Fix (hub.go)
- Extend getTask() to check pendingAcceptance map after batch/service queues
- Allows GetTask() to find tasks in 'assigned' state before acceptance
- Maintains backward compatibility with existing queue/running lookups
## Testing
make test now passes: 475 passed, 0 failed, 34 skipped
ba9a358412