a1b1d5eaf1
- Move formatChildExitSummary/formatCapturedStderrTail to worker-runtime.ts - Move ignoreSessionBroadcastSignals to new worker-signals.ts - Delete worker-fork-support.ts (teeCapturedStderr no longer used) - Update .knowledge/worker-isolation.md and architecture.md for WorkerRuntime - All 167 tests pass, biome check clean Closes #283