feat: crop save (save visible area at original resolution) v1.4.0

- Save visible area at original resolution as JPEG q90 (title bar button or Ctrl+S)
- Output name: original name + _HHmmss suffix; no overwrite, warning shown
- Active color effects baked in; rotation saves bounding box
- New: crop_save_service, l10n strings TR/EN, docs/plan-crop-save.md

CHANGELOG.md

@@ -4,6 +4,15 @@ All notable changes to imajViewer are documented in this file.
 
 ## [Unreleased]
 
+## [1.4.0] - 2026-10-11
+
+### Added
+- Crop save: saves the visible area at original resolution as JPEG quality 90 — title bar save button or Ctrl+S
+  - Output name: original name + `_HHmmss` time suffix (e.g. `photo.jpg` → `photo_143025.jpg`)
+  - If a file with the same name exists, nothing is written and a warning is shown
+  - Active color effects (contrast/saturation/brightness) are baked into the output
+  - With rotation active, the bounding box around the visible area is saved
+
 ## [1.3.2] - 2026-08-28
 
 ### Fixed