qwen-code/packages
wenshao c8d7d151a1 feat(core): managed background shell pool with /bashes command
Replace shell.ts's `&` fork-and-detach background path with a managed
process registry. Background shells now have observable lifecycle, captured
output, and explicit cancellation — matching the pattern used by background
subagents (#3076).

Phase B from #3634 (background task management roadmap).

What changes
- New `BackgroundShellRegistry` (services/backgroundShellRegistry.ts):
  per-process entry with status (running / completed / failed / cancelled),
  AbortController, output file path. State transitions are one-shot
  (terminal status sticks; late callbacks no-op). Mirrors the lifecycle
  shape of #3471's BackgroundTaskRegistry so the two can be unified later.
- `shell.ts` is_background path rewritten as `executeBackground`:
  - Spawns the unwrapped command (no '&', no pgrep envelope)
  - Streams stdout to `<projectDir>/tasks/<sessionId>/shell-<id>.output`
    (path layout aligns with the direction sketched in #3471 review)
  - Bridges the external abort signal into the entry's AbortController so
    a single source of truth governs cancellation
  - Returns immediately with id + output path; agent's turn isn't blocked
  - Settles the registry entry asynchronously when ShellExecutionService
    resolves: complete (clean exit) / fail (error) / cancel (aborted)
- Removes ~120 lines of dead bg-specific code from shell.ts:
  pgrep wrapping, '&' appending, Windows ampersand cleanup, Windows
  early-return path, bg PID parsing, tempFile cleanup
- New `/bashes` slash command: lists registered shells with id, status,
  runtime, command, output path. Empty state prints a friendly message.

What this PR doesn't do
- Footer pill / dialog integration — gated on #3488 landing
- task_stop / send_message integration — gated on #3471 landing
- Auto-backgrounding heuristics for long foreground bash — Phase D

Test plan
- 11 registry unit tests (state machine + idempotent terminal transitions)
- 4 background-path tests in shell.test.ts (spawn no-wrap + complete /
  fail / cancel settle paths)
- 2 /bashes command tests (empty + populated)
- Full core suite: 247 files / 6075 passed (existing tests unaffected)
2026-04-26 18:17:39 +08:00
..
channels chore(release): bump version to 0.15.2 (#3596) 2026-04-24 19:55:12 +08:00
cli feat(core): managed background shell pool with /bashes command 2026-04-26 18:17:39 +08:00
core feat(core): managed background shell pool with /bashes command 2026-04-26 18:17:39 +08:00
sdk-java fix(sdk-java): pass custom env to CLI process (#3543) 2026-04-24 10:37:52 +08:00
sdk-python feat(SDK) Add Python SDK implementation for #3010 (#3494) 2026-04-25 07:02:58 +08:00
sdk-typescript feat(web-search): remove built-in web_search tool, replace with MCP-based approach (#3502) 2026-04-24 11:29:02 +08:00
vscode-ide-companion feat(vscode): expose /skills as slash command with secondary picker (#2548) 2026-04-24 23:28:53 +08:00
web-templates chore(release): bump version to 0.15.2 (#3596) 2026-04-24 19:55:12 +08:00
webui chore(release): bump version to 0.15.2 (#3596) 2026-04-24 19:55:12 +08:00
zed-extension chore(zed-extension): update package version to 0.10.0 2026-02-06 14:26:01 +08:00