feat: convert tmux monitoring into a plugin (B10)

src/backend/starter.ts

@@ -302,18 +302,18 @@ async function provisionLocalDesktopUserIfNeeded(): Promise<void> {
     const { primeKnownPermissions } =
       await import("./utils/known-permissions.js");
     await primeKnownPermissions();
-    // Terminal, docker, host-metrics and file-manager are deliberately
-    // absent: the ssh-terminal, docker, host-metrics and file-manager plugins
-    // start their own servers, so disabling any of them stops its WS/HTTP
-    // server. See plugins/ssh-terminal, plugins/docker, plugins/host-metrics
-    // and plugins/file-manager.
+    // Terminal, docker, host-metrics, file-manager and tmux monitoring are
+    // deliberately absent: the ssh-terminal, docker, host-metrics,
+    // file-manager and tmux-monitor plugins start their own servers, so
+    // disabling any of them stops its WS/HTTP server. See
+    // plugins/ssh-terminal, plugins/docker, plugins/host-metrics,
+    // plugins/file-manager and plugins/tmux-monitor.
     // Every other plugin (AI, Proxmox, Remote Desktop, Fleets, Automations,
     // Network Topology, Workspaces, Web Endpoint, Tunnels) is absent for the
     // same reason: each one serves its routes under /plugin-api/<id>/ through
     // ctx.http on activate, so disabling it answers 503 instead of leaving a
     // dead import here. Automations' scheduler and tunnel autostart also
     // start from their own activate() rather than here.
-    await import("./hosts/tmux/index.js");
     await import("./hosts/serial.js");
     await import("./services/dashboard.js");
     await import("./services/homepage.js");
@@ -365,6 +365,10 @@ async function provisionLocalDesktopUserIfNeeded(): Promise<void> {
       const { runSshTerminalSettingsMigration } =
         await import("./utils/crypto-migration/ssh-terminal-settings-migration.js");
       await runSshTerminalSettingsMigration();
+
+      const { runTmuxMonitorSettingsMigration } =
+        await import("./utils/crypto-migration/tmux-monitor-settings-migration.js");
+      await runTmuxMonitorSettingsMigration();
     } catch (error) {
       systemLogger.warn("Plugin runtime failed to initialize", {
         operation: "plugin_init",