[1.13.0] Update it-tools to 2026.10.25 Full Changelog json-viewer, yaml-viewer, currency-converter, geo-coordinates-converter: support intranet mirrors (3af8e4a) gitignore-generator, gitattributes-generator: fall back to a bundled template snapshot (81c1201) translator, remove-background, math-ocr, ocr-image, gif-to-mp4: ship runtimes with the app (d53e745) settings: add an offline mode that hides internet-only tools (4a80283) zpool-memo: add localized content and recategorize (f196182) dns-query, gitattributes-generator: hide dns-query offline, pin commands to the snapshot (788d4fd) explainshell, ocr-image: honour the configured mirrors (8ec5590) countdown, cron-alarm, time-alarm: resolve Beep.mp3 against the app base (94c0bbf) markdown-editor, unicode-formatter, pomodoro-timer: bundle editor extensions and fonts (b536f04) visualsubnetcalc, zpool-calc: escape user data before inserting HTML (de40fc7)