fix: v2.7.4 — Changes matches JetBrains (#72), the chat says when Claude waits on a trust prompt (#73), Vietnamese Telex in Safari

- Changes (#72): a file git reports `MM` whose working copy equals HEAD again
  (a staged change since undone on disk) is no longer listed — JetBrains'
  GitChangesCollector drops it the same way. Mode-only changes stay listed.
  statusCounts (the dirty-tree safety checks) is unchanged.
- Chat (#73): Claude Code runs no hook before a folder is trusted, so a new
  pane's session has no row; the chat now says the session has not started,
  offers Open terminal, and asks before typing a message or /model //effort
  into the pane (an Enter would pick the trust prompt's "No, exit").
- Terminal: Safari + macOS's own Vietnamese Telex replaces the whole word on
  each key (insertReplacementText), which xterm.js ignores — only each word's
  first letter reached the pane. The edit is now sent as DELs + the new tail.
- Also: Ctrl+V pastes a screenshot into the terminal as a file path; the
  folder browser fallback lists files for a file field (`files=1`); the macOS
  native picker opens in front of the browser; a hidden tab is marked while a
  chat waits or once a turn ended; chat live line shows running calls, turn
  time and tokens, and "Done in …".

client/src/i18n/locales/en/sessions.json

@@ -143,6 +143,8 @@
     "loading": "Loading conversation…",
     "empty": "No conversation records found.",
     "emptyBody": "This session's metadata was imported, but its transcript file is no longer on disk. Claude Code automatically deletes inactive session transcripts after a retention period (cleanupPeriodDays, default 30 days), so older conversations may already be gone. Sessions imported from now on are snapshotted and kept even after Claude Code prunes the originals.",
+    "notStarted": "The session has not started yet.",
+    "notStartedBody": "Claude Code may be asking you something in the terminal first — whether to trust this folder, for example. Answer it there; the conversation shows up here once the session starts.",
     "newMessages": "New messages",
     "systemReminder": "System reminder",
     "persistedOutput": "Persisted output",
@@ -199,7 +201,15 @@
     },
     "edited_one": "Edited {{count}} file",
     "edited_other": "Edited {{count}} files",
-    "working": "Thinking…"
+    "working": "Thinking…",
+    "turnTokens": "↑ {{tokens}} tokens",
+    "waiting": "Waiting for you in the terminal",
+    "waitingFor": "Waiting for your approval: {{step}}",
+    "openTerminal": "Open terminal",
+    "moreSteps_one": "+{{count}} more",
+    "moreSteps_other": "+{{count}} more",
+    "quiet": "no new activity for {{time}}",
+    "turnDone": "Done in {{time}}"
   },
   "overview": {
     "agent": "Agent",