Add --no-reset option to the list command

[Copilot]

mpflash list unconditionally reset every connected board after listing, with no way to suppress it. This adds a --reset/--no-reset flag (default: --reset) so the reset step can be skipped.

Changes

• mpflash/cli_list.py — added --reset/--no-reset click option; wraps the per-board reset loop in if reset: guard
• tests/cli/test_cli_list.py — added parametrized cases for both --reset and --no-reset

Usage

# skip resetting boards after listing (useful for debugging)
mpflash list --no-reset

[codecov]

Codecov Report

❌ Patch coverage is 33.33333% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.56%. Comparing base (c5bed8f) to head (8b6bfa1).

Files with missing lines	Patch %	Lines
mpflash/cli_list.py	33.33%	5 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #91      +/-   ##
==========================================
+ Coverage   75.55%   75.56%   +0.01%     
==========================================
  Files          54       54              
  Lines        3031     3033       +2     
  Branches      488      489       +1     
==========================================
+ Hits         2290     2292       +2     
  Misses        621      621              
  Partials      120      120              

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