[cdalar]

Summary

• Since tui: enter in :repos starts Claude on a new box every time #1257 every enter on a repository in :repos made a new box. Now it asks first, in a choice dialog: n for a new box (<name>-<word>-<word>-<id>, passed as --box, so two pieces of work never share one), or r for the repository's own box, claude-<name>, which onctl claude --repo alone comes back to. The dialog says whether that box exists and in what state. esc (any other key) cancels.
• tuiDialog grows choices beside its y/N form: a key, a footer label, and what the key does. Destroy's y/N dialog is unchanged.
• Help text, the describe page and the docs say the same.

Test plan

• go test ./... passes: the :repos test drives the dialog (contents, esc, n, r, the box-exists wording), plus the args and flash cases
• golangci-lint run ./cmd/... clean

🤖 Generated with Claude Code

https://claude.ai/code/session_01XrkgRG7mxeo99tLWf4L7Se

[codecov]

Codecov Report

❌ Patch coverage is 88.37209% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 48.01%. Comparing base (8d5d518) to head (7ccfe41).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
cmd/tuiactions.go	63.63%	4 Missing ⚠️
cmd/tuirepos.go	95.23%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1258      +/-   ##
==========================================
+ Coverage   47.85%   48.01%   +0.16%     
==========================================
  Files          81       81              
  Lines        9360     9391      +31     
==========================================
+ Hits         4479     4509      +30     
- Misses       4881     4882       +1     

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