23a5afe8d9
- Added bash.autoBackground.enabled and bash.autoBackground.thresholdMs settings with defaults for background job behavior. - Added auto-backgrounding support for long foreground bash commands with managed job state and timeout threshold. - Updated bash prompts, job-protocol messages, and tool activation checks to use async and auto-background support. - Added background bash completion integration with AsyncJobManager and end-to-end tests for short/long auto-background scenarios.