Preserve original line endings in edit tool

Improvements

• CoreFix Git path resolution for modified files across Git Bash, MSYS2, and Cygwin on Windows
• CoreFix PTY session handle leak@kikuchan
• CoreSanitize preview database filenames
• CoreLog stack trace when schema validation fails
• CoreI need to see the actual commit diff to understand what was fixed and provide an accurate changelog entry.
• CoreAdd project git init API
• CoreUpdate Drizzle and channel database handling
• CoreSpeed up share loads
• CoreEnable auto-accept keybind regardless of permission config@luisfelipesena
• TerminalFix broken /export toggling in TUI@natewill
• DesktopGuard session-header current() against undefined when options is empty@cyberprophet
• DesktopPreserve file tree tab on reopen and fix e2e test regressions@neriousy
• DesktopRemove close button from project hover popover
• DesktopNew session uses agent model/variant
• DesktopModel sticks to session after being changed
• DesktopBased on the commit message "fix(app): all panels transition", here's the changelog entry:
• DesktopCan't scroll files in app
• DesktopFix maximum width on timeline component
• DesktopAlign session empty states in TUI
• DesktopAdd interactive timeline visualization feature
• DesktopShare workspace slug wait helper across e2e specs
• DesktopAbort sessions and wait for idle before e2e cleanup
• DesktopShow skill issue when snapshotting is off in desktop app
• DesktopFix portal positioning for sidebar menus and tooltips by removing conditional mount logic
• DesktopAdd end-to-end tests for app (part 67)@neriousy
• DesktopAdd sidebar reveal animation, hover peek overlay, and weaker dividers to app
• DesktopBetter review and file tree empty states
• DesktopEnable Safari autocorrect in normal mode, disable in shell mode@alexandrereyes
• DesktopRevert stale read error fix in app
• DesktopAdd English to locale matchers@KirillTregubov