feat(update): add interactive menu to /update with auto-update toggle

[elkaix]

Summary

Makes the auto-update toggle discoverable from the bare /update command instead of requiring a subcommand. Builds on the /update auto toggle from #133.

• /update now opens a top-level menu:

  Update
  ❯ Check for updates now
    Auto-update on startup: off
    Cancel
  

  "Check for updates now" is the default, so a bare /update + Enter still goes straight to the check/install flow (one keypress, no regression). "Auto-update on startup" shows the current state and jumps to the On/Off picker.
• /update auto with no value now opens an interactive On/Off picker (cursor defaulted to the current setting) instead of only printing status.
• /update auto on|off still sets it directly. When an external override is active (PYTHINKER_CLI_NO_AUTO_UPDATE or a source checkout), the setting is read-only, so /update auto reports that read-only state rather than popping a no-op picker — preserving the "never a silent no-op" rule.

No change to the auto_update default (still on) and run_update_prompt is untouched — this is additive UI only.

Changes

• src/pythinker_code/ui/shell/slash.py — update_command routes bare invocations through a new _prompt_update_action() menu; _auto_update_toggle opens the picker on no-args (non-override); added _prompt_auto_update_selection() reusing the existing ChoiceInput widget.
• tests/ui_and_conv/test_update_auto_slash.py — menu routing (check / auto / cancel) and picker path (persist + cancel-is-noop). 11 passed.
• CHANGELOG.md (Unreleased) + docs/en/reference/slash-commands.md.

Verification

• make check-pythinker-code — ruff + format + pyright clean.
• uv run pytest tests/ui_and_conv/test_update_auto_slash.py — 11 passed.

Summary by CodeRabbit

Release Notes

• New Features

  • The /update command now opens an interactive menu to choose between checking for updates or managing the auto-update toggle.
  • /update auto now supports interactive On/Off selection when run without arguments.

• Improvements

  • Auto-update status shown across settings and info now reflects the effective state.
  • When an external override is active, the auto-update toggle becomes read-only with an explanation (preventing silent no-ops).

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

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Reviewing files that changed from the base of the PR and between 3c03c18 and 3bfacc5.

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• tests/ui_and_conv/test_update_auto_slash.py

---

📝 Walkthrough

Walkthrough

This PR makes /update interactive when run without arguments, adds interactive /update auto on/off selection with read-only override handling, and updates tests and changelog text to cover the new command paths and state reporting.

Changes

Update command flow

Layer / File(s)	Summary
Bare /update menu and routing src/pythinker_code/ui/shell/slash.py, tests/ui_and_conv/test_update_auto_slash.py	Bare /update now prompts for check/auto/cancel via _prompt_update_action(), routes to update or auto-toggle, or returns on cancel. Tests verify each action path and confirm state preservation via monkeypatched ChoiceInput.
Auto-update toggle with on/off picker src/pythinker_code/ui/shell/slash.py, tests/ui_and_conv/test_update_auto_slash.py	/update auto supports explicit on|off args, reports effective state read-only when override exists, and prompts interactive on/off via _prompt_auto_update_selection() otherwise. Tests verify persistence, runtime mirroring, and cancellation.
Changelog documentation CHANGELOG.md	Updated unreleased entry documents /update menu behavior, /update auto interactive modes, and read-only handling when external override is active.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Possibly related PRs

• Pythoughts-labs/pythinker-code#133: Implements the same /update menu and auto-update toggle behavior in the same command and test areas.
• Pythoughts-labs/pythinker-code#130: Implements the "effective auto-update state" logic with override and source-checkout precedence that this PR surfaces interactively and read-only in /update.

Suggested labels

enhancement

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 7.69% which is insufficient. The required threshold is 70.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title follows conventional commits format with 'feat' type, 'update' scope, and a clear description of the interactive menu addition for the /update command.
Description check	✅ Passed	The description provides comprehensive context: it summarizes changes, details the menu structure, explains the interactive picker behavior, and documents verification steps. All key sections are present and informative.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

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• Create PR with unit tests
• Commit unit tests in branch feat/update-auto-submenu

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@tests/ui_and_conv/test_update_auto_slash.py`:
- Around line 147-151: Replace the private-helper monkeypatching in
test_update_auto_slash behavior tests with assertions against observable
outcomes: stop patching _prompt_update_action, _auto_update_toggle, and
_prompt_auto_update_selection directly, and instead drive the flow through
run_update_prompt, shell_slash, and the config/user-facing output so the tests
verify interactive choice boundaries, persisted settings, and visible results
rather than internal wiring.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: b3028a3d-e3a5-48a2-813e-6f106bde3ea6

📥 Commits

Reviewing files that changed from the base of the PR and between 7e476c1 and 3c03c18.

⛔ Files ignored due to path filters (1)

• docs/en/reference/slash-commands.md is excluded by !docs/**

📒 Files selected for processing (3)

• CHANGELOG.md
• src/pythinker_code/ui/shell/slash.py
• tests/ui_and_conv/test_update_auto_slash.py

[codecov]

Codecov Report

❌ Patch coverage is 80.95238% with 8 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/pythinker_code/ui/shell/slash.py	80.95%	5 Missing and 3 partials ⚠️

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