feat: convert tmux monitoring into a plugin (B10)

src/ui/locales/en.json

@@ -689,7 +689,6 @@
     "renameTab": "Rename tab",
     "openFileManager": "Open File Manager",
     "dashboard": "Dashboard",
-    "tmuxMonitor": "Tmux Monitor",
     "homepage": "Homepage",
     "quickConnect": "Quick Connect",
     "sshTools": "SSH Tools",
@@ -1063,8 +1062,6 @@
     "maxKeepaliveMisses": "Max Keepalive Misses",
     "sameHost": "This host (direct tunnel)",
     "bindHost": "Bind Host",
-    "enableTmuxMonitor": "Enable Tmux Monitor",
-    "enableTmuxMonitorDesc": "Show this host in the Tmux Monitor and add its tmux actions to the sidebar",
     "connectionToolbar": "Connection Toolbar",
     "showConnectionToolbar": "Show connection toolbar",
     "showConnectionToolbarDesc": "Show the toolbar in this host's SSH, RDP, VNC, and Telnet sessions. You can also hide it temporarily from the toolbar itself.",
@@ -1241,7 +1238,6 @@
     "terminalUrlCopied": "Terminal URL copied",
     "dockerUrlCopied": "Docker URL copied",
     "hostMetricsUrlCopied": "Host Metrics URL copied",
-    "tmuxMonitorUrlCopied": "Tmux Monitor URL copied",
     "rdpUrlCopied": "RDP URL copied",
     "vncUrlCopied": "VNC URL copied",
     "telnetUrlCopied": "Telnet URL copied",
@@ -1257,7 +1253,6 @@
     "copyTerminalUrlAction": "Copy Terminal URL",
     "copyDockerUrlAction": "Copy Docker URL",
     "copyHostMetricsUrlAction": "Copy Host Metrics URL",
-    "copyTmuxMonitorUrlAction": "Copy Tmux Monitor URL",
     "copyRdpUrlAction": "Copy RDP URL",
     "copyVncUrlAction": "Copy VNC URL",
     "copyTelnetUrlAction": "Copy Telnet URL",
@@ -1537,8 +1532,6 @@
     "userProfileDesc": "Manage your account and preferences",
     "addCredential": "Add Credential",
     "addCredentialDesc": "Store SSH keys or passwords",
-    "tmuxMonitor": "Tmux Monitor",
-    "tmuxMonitorDesc": "Monitor tmux sessions across your hosts",
     "snippets": "Snippets",
     "runSnippetDesc": "Run in the active terminal tab",
     "noSnippetsFound": "No snippets found matching \"{{search}}\"",
@@ -3099,82 +3092,6 @@
     "openProxmoxStats": "Open Proxmox Stats",
     "openTmuxMonitor": "Open Tmux Monitor"
   },
-  "tmuxMonitor": {
-    "title": "Tmux Monitor",
-    "failedToLoadHosts": "Failed to load hosts",
-    "failedToLoad": "Failed to load tmux sessions",
-    "tmuxUnavailable": "tmux is not installed on this host",
-    "noSessions": "No tmux sessions on this host",
-    "noHostSelected": "No host selected",
-    "attached": "Attached",
-    "detached": "Detached",
-    "attach": "Attach",
-    "editTags": "Edit tags",
-    "tagsHint": "Comma-separated tags (e.g. YOLO, lab, training)",
-    "tagsSaved": "Tags saved",
-    "tagsSaveFailed": "Failed to save tags",
-    "searchPlaceholder": "Search output across sessions...",
-    "searchResults": "{{count}} matches",
-    "searchFailed": "Search failed",
-    "selectPaneHint": "Select a pane to preview its output",
-    "closePreview": "Close preview",
-    "newSession": "New session",
-    "newSessionHint": "Session name (letters, digits, _ @ % + = -)",
-    "newSessionPlaceholder": "my-session",
-    "create": "Create",
-    "sessionCreated": "Session \"{{name}}\" created",
-    "sessionCreateFailed": "Failed to create session",
-    "splitRight": "Split right",
-    "splitDown": "Split down",
-    "splitFailed": "Failed to split pane",
-    "newWindow": "New window",
-    "windowCreateFailed": "Failed to create window",
-    "attachSessionTooltip": "Attach to {{session}}",
-    "refresh": "Refresh",
-    "refreshFailed": "Failed to refresh sessions",
-    "collapseAll": "Collapse all",
-    "expandAll": "Expand all",
-    "moreActions": "More actions",
-    "sessionStats": "Session stats",
-    "renameSessionTitle": "Rename session \"{{name}}\"",
-    "rename": "Rename",
-    "sessionRenamed": "Session renamed to \"{{name}}\"",
-    "sessionRenameFailed": "Failed to rename session",
-    "editTagsTitle": "Edit tags for \"{{name}}\"",
-    "killPane": "Kill pane",
-    "resizeTree": "Drag to resize — double-click to reset",
-    "reattach": "Re-attach (fixes a garbled view)",
-    "killWindow": "Kill window",
-    "killWindowTitle": "Kill window {{index}} of \"{{session}}\"?",
-    "killWindowBody": "Every pane and process in this window will be terminated. Killing the last window ends the session.",
-    "windowKillFailed": "Failed to kill window",
-    "statusActivity": "Activity",
-    "statusWindows": "Windows",
-    "statusPanes": "panes",
-    "statusTags": "Tags",
-    "killPaneTitle": "Kill pane {{id}}?",
-    "killPaneBody": "The process running in this pane will be terminated. Killing the last pane closes its window.",
-    "paneKillFailed": "Failed to kill pane",
-    "killSessionTitle": "Kill session \"{{name}}\"?",
-    "killSessionBody": "All windows and running processes in this session will be terminated. This cannot be undone.",
-    "kill": "Kill",
-    "sessionKilled": "Session \"{{name}}\" killed",
-    "sessionKillFailed": "Failed to kill session",
-    "hostUnreachable": "Could not connect to the host. Check that it is online and reachable.",
-    "noServer": "No tmux server is running on this host.",
-    "searchTruncated": "Partial results — search covers the last {{lines}} lines of each pane and at most {{panes}} panes.",
-    "closeSearchResults": "Close search results",
-    "retry": "Retry",
-    "noHosts": "No SSH hosts available",
-    "noHostsHint": "Enable the Tmux Monitor option on an SSH host (Host Manager → Terminal tab) to monitor its tmux sessions.",
-    "tmuxInstallHint": "Install it on the host with:",
-    "attachTooltip": "Open a terminal to {{host}}",
-    "attachTooltipPane": "Open a terminal to {{host}} — tmux session {{session}}",
-    "timeJustNow": "just now",
-    "timeMinutes": "{{count}}m ago",
-    "timeHours": "{{count}}h ago",
-    "timeDays": "{{count}}d ago"
-  },
   "serial": {
     "title": "Serial",
     "portLabel": "Port",