feat(git): inline file diffs in commit history rows (#1291)

* chore: add .worktrees/ to gitignore for worktree workflow

* feat(git): add getCommitFileDiff service function

* docs(git): document getCommitFileDiff in module docs

* feat(git): add GET /api/git/commit-file-diff route

* feat(git): add CommitFileDiffResponse type and GitAPI method signature

* feat(git): add getCommitFileDiff HTTP client function

* feat(git): add getCommitFileDiff API facade

* feat(git): add getCommitFileDiff stub to VS Code bridge

* feat(git): add getCommitFileDiff to VS Code gitService and bridge handler

* feat(git): add inline file diff to history commit rows

* fix(git): consolidate CommitFileDiffResponse import to gitApi facade

* fix(git): pass directory through history, validate hash, propagate git errors

* fix(git): use exit code check for VS Code getCommitFileDiff error detection

* fix(git): VS Code rename detection, hash validation parity, retry on error

* fix(git): register scroll container as virtualizer root to fix empty space in history diffs

* fix(git): address greptile review — rename key extraction, directory guard, language detection, isBinary cleanup

* fix(git): harden history inline diffs

---------

Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>

packages/ui/src/lib/i18n/messages/pl.ts

@@ -1450,15 +1450,22 @@ export const dict: Record<I18nKey, string> = {
   'gitView.header.removeRemoteAria': 'Remove Remote  aria label',
   'gitView.header.removeRemoteTitle': 'Remove Remote Title',
   'gitView.history.binary': 'Binary',
+  'gitView.history.binaryNoDiff': 'Binary file — no diff available',
   'gitView.history.commitsPlaceholder': 'Commits Placeholder',
   'gitView.history.copySha': 'Copy SHA',
   'gitView.history.dialogDescription': 'Browse recent commits and inspect changed files.',
+  'gitView.history.diffError': 'Failed to load diff. Click to retry.',
+  'gitView.history.largeDiffDescription': 'Rendering may be slow. You can still view the diff by clicking below.',
+  'gitView.history.largeDiffTitle': 'Large diff ({count} changed lines)',
+  'gitView.history.loadingDiff': 'Loading diff...',
   'gitView.history.loadingFiles': 'Loading files...',
   'gitView.history.logSize100': 'Log Size100',
   'gitView.history.logSize25': 'Log Size25',
   'gitView.history.logSize50': 'Log Size50',
   'gitView.history.noCommits': 'No commits found',
   'gitView.history.noFiles': 'No files',
+  'gitView.history.renamedNoDiff': 'Renamed file — diff not supported',
+  'gitView.history.renderDiffAnyway': 'Render anyway',
   'gitView.history.title': 'History',
   'gitView.integrate.checking': 'Sprawdzanie…',
   'gitView.integrate.cherryPickAbortedToast': 'Cherry-pick został przerwany',