[codex] Add microscope batch image crop app

[Pluze]

Summary

• add labkit_BatchImageCrop_app under the image measurement family
• support multi-image loading, fixed pixel crop geometry, per-image rotation and crop-center confirmation, and unique batch exports with manifest CSV
• add app-owned workflow helpers plus unit, GUI structural, entrypoint, startup, and documentation guardrails

Tests

• /Applications/MATLAB_R2025a.app/bin/matlab -batch "startup_labkit; [fig,debug]=labkit_BatchImageCrop_app('debug',struct()); disp(fig.Name); disp(debug.enabled); close(fig);"
• /Applications/MATLAB_R2025a.app/bin/matlab -batch "buildtool testAppsImageMeasurement"
• /Applications/MATLAB_R2025a.app/bin/matlab -batch "buildtool testAppsImageMeasurementGui"
• /Applications/MATLAB_R2025a.app/bin/matlab -batch "buildtool testProject"
• /Applications/MATLAB_R2025a.app/bin/matlab -batch "buildtool test"
• /Applications/MATLAB_R2025a.app/bin/matlab -batch "buildtool checkStyle"