Release Photo Cutter v1.3.0

[Awetspoon]

Summary

• add precise freehand response and smoothing controls while keeping cursor alignment at every zoom level
• harden image/workspace loading, cut-out limits, preview memory, export progress, and cancellation cleanup
• preserve workspace-specific export settings and source-image identity checks
• refresh the public README, architecture notes, release notes, screenshot, and v1.3.0 metadata
• pin CI and release actions to reviewed commit revisions

Validation

• Release build completed with 0 warnings and 0 errors
• all 54 regression checks passed
• clean self-contained Windows publish matched the reviewed source build byte-for-byte
• published executable started successfully
• sensitive-data, generated-file, screenshot-metadata, workflow-pin, and documentation-link checks passed

Release

After merge, tag the merge result as v1.3.0. The tag-only release workflow will rebuild, rerun the checks, create the GitHub release, and attach only PhotoCutter.exe.