[Feature Request] Add /delete command to remove sessions

[proccl]

功能請求：添加 /delete 或 /remove 命令來刪除 Session
問題描述
目前 Kimi Code CLI 沒有提供直接刪除 session 的命令，用戶需要手動到 ~/.kimi/sessions/ 目錄下刪除資料夾。
使用場景

1. Session 列表過多時難以管理
2. 需要清理不再使用的舊 session 釋放磁盤空間
3. 某些 session 可能包含敏感信息需要徹底刪除
   建議的解決方案
   添加一個新的斜杠命令來刪除 session：

刪除指定 session

/delete <session_id>

或

/remove <session_id>

交互式選擇刪除

/delete
預期行為

1. 執行 /delete 後顯示 session 列表（類似 /sessions）
2. 用戶選擇要刪除的 session
3. 確認後刪除該 session 資料夾
4. 無法刪除當前正在使用的 session（或需要特別確認）
   替代方案
   目前只能手動刪除：

macOS/Linux

rm -rf ~/.kimi/sessions/<session_id>

Windows

Remove-Item -Path ~/.kimi/sessions/<session_id> -Recurse -Force
環境信息
• 版本: kimi, version 1.30.0
• 平台: Windows / macOS / Linux
額外說明
可以考慮同時添加：
• /delete --all 刪除所有非當前 session
• 在 /sessions 列表中添加刪除快捷鍵（如 D 鍵）

[bloodycoder]

Hi maintainers, I implemented a proposal for #1783 (/delete command with /remove alias) and prepared tests, but full dynamic validation is currently blocked by local runtime/tooling mismatch.

Implemented scope:

• Added /delete [session_id] and /remove alias.
• Added safe deletion guardrails:
  • cannot delete current session
  • rejects invalid session id input
  • v1 limits deletion to current work_dir
• Added confirmation hook and stable failure messaging.
• Added tests for command registration, alias parity, key success/failure paths.
• Updated docs (EN/ZH) for slash command and data-location notes.

Current blocker:

• Local Python is 3.9, while repo requires >=3.12 (.python-version is 3.14).
• uv and tmux are not available in current environment.

Could you confirm expected validation baseline for this issue?

1. Preferred local Python target (3.12 or 3.14)
2. Whether any tmux/shell e2e subset is required for merge on [Feature Request] Add /delete command to remove sessions #1783

If this direction looks right, I’ll keep this as Draft PR and follow up with full passing test evidence after environment alignment.

[proccl]

Hi @contributor,
Thanks for the implementation! To answer your questions:

1. Python version: Please use 3.12 (3.14 in .python-version is aspirational, but 3.12 is the practical target).
2. Testing requirements:
   • ✅ Unit tests are required (test the delete logic, validation, error cases)
   • ➕ e2e tests are preferred but not strictly required — if you can't run tmux locally, it's okay
   • The CI will run the full test suite, including e2e tests, when you submit the PR
   Recommendation: Submit as a Draft PR now, and let GitHub Actions validate the tests. If there are any issues, we can iterate from there.
   Thanks again for contributing!

[bloodycoder]

Thanks @proccl for the guidance.
I followed it and re-ran the unit tests on Python 3.12.

[bloodycoder]

Follow-up update for #1783:

Draft PR: #1839

Implemented:

• added /delete [session_id] with /remove alias
• refuses deleting current active session
• rejects invalid session id input
• current scope limits deletion to sessions in the current work dir

Validation:

• pytest tests/ui_and_conv/test_shell_slash_commands.py -k 'delete or remove' -q
• 15 passed, 9 deselected

If you want cross-work-dir deletion in this issue scope, I can handle it as a follow-up change.