v26.10.1 (#1599)

* feat: AI translations at release, 7 new languages and regional fallback

* fix: proper plural forms for count strings and full translations

* fix: plural forms for selected, hidden and active counts

* fix: synced plugin updates failing on desktop and server-only plugins shown as stopped

* fix: restore rounded corners on app icons and favicon

* feat: desktop app auto updates with automatic, ask first or never modes

* feat: community and custom plugin registries

* feat: plugin guide for AI tools in the SDK with a lint check

* fix: keep the terminal WebSocket open past nginx's 60s default (#1588)

* chore: update changelog

* feat: show plugin download counts only and stop CI builds inflating them

* feat: hide installed plugins in the browse tab by default

* chore: pin bundled plugins to latest releases

* chore: update translations

* fix: focusing a saved password field and saving no longer erases it

* fix: tell desktop users when their 2.8 data needs 2.9 first

* fix: point windows update info at the x64 installer

* fix: keep desktop client tunnel sockets alive behind proxies

* chore: pin bundled plugins to latest releases

* fix: cover client tunnel keepalive in the c2s runtime tests

* fix: typing after opening a host no longer goes to the host search

* fix: accept tab and = separators in SSH config import (#1598)

* chore: update changelog

* chore: drop plugin versions from core changelog

* chore: update translations

* chore: lint, format, and bump version to 26.10.1

---------

Co-authored-by: Darnel Hunter <68697450+innotelinc@users.noreply.github.com>
Co-authored-by: Iain <Iain1970@protonmail.com>

electron/backend-failure.cjs

@@ -35,7 +35,13 @@ function parseConflictingPort(stderr) {
  * stderr. Always returns a failure -- see the note above on why every exit
  * that reaches this point counts as one.
  */
+// Part of PRE_29_DATABASE_ERROR in src/backend/database/db/upgrade-guard.ts.
+const OLD_DATABASE_MARKER = "This database is from Termix 2.8 or older";
+
 function classifyBackendFailure(stderr = "") {
+  if (stderr.includes(OLD_DATABASE_MARKER)) {
+    return { reason: "old-database", port: null };
+  }
   if (stderr.includes("EADDRINUSE")) {
     return { reason: "port-in-use", port: parseConflictingPort(stderr) };
   }