Merge PR #2726: LR-BEHAV-LOCALIZE: panel layout toasts, face recognition prompts and the second window title are translated

locales it/ka/ru/vi/zh-hans/zh-hant: union of keys (side already on main kept where both set a key)
docs/parity-checklist.md: header keeps newer date, revision rows union

docs/parity-checklist.md

@@ -961,3 +961,4 @@ Latin stays upright. Advanced Japanese composition remains open. Regression cove
 | 2026-10-23 | patch | LRC-LIB-FILTERBAR: showing an album (`library.source`) while the filter holds an album drops the filter's album, as showing a library folder already dropped its folder filter; before, the old album stayed in the filter unseen (the filter bar has no album chip) and narrowed the next source such as All Photos; the row's note says so; status unchanged (✅) |
 | 2026-10-27 | patch | MENU-EDIT-SELECTNONE, MENU-EDIT-PASTESELECTED: Select Only Active Photo and Paste Settings from Previous were not in the Edit menu's layout and ended up after Settings…, near the end of the menu; they now sit with the other Select and Paste rows. On macOS the Edit menu no longer shows two separators in a row where Settings… moved to the app menu; status unchanged (✅) |
 | 2026-10-27 | patch | MENU-FILE-CLOSE, KEY-CLOSEWINDOW: the notes say that Close Window and the red close button of the main window quit the app, after the check Quit makes; kept on purpose; a user page says so; status unchanged (✅) |
+| 2026-10-23 | minor | LR-BEHAV-LOCALIZE: panel layout toasts, the face recognition prompts and toasts, and the second window's title are looked up in the interface language in all 17 catalogs; status unchanged (🟡) |

docs/whats-new.md

@@ -93,6 +93,13 @@
   library you open and are imported into it, as files given on the command line are; presets dropped then are
   refused with a note, since they belong to a library.
 
+### Panel layout messages, face recognition prompts and the second window's title in your language
+- The messages shown when a panel layout cannot be restored or a panel move is not applied, the face recognition
+  prompts (the banner and the name box's offer, with their buttons), the "Face recognition is on" and "is installed"
+  messages, and the title of the second window are now in the interface language in all 17 languages. They stayed in
+  English before. So did "The download failed", shown under a denoise or face recognition model's download when the
+  download gives no reason.
+
 ## 2026-10-22
 
 ### Reliability