docs: i18n et suivi #187 - assistant agent toujours actif

frontend/locales/en.json

@@ -90,8 +90,6 @@
   "ai.confirm_actions": "{count} actions to approve",
   "ai.stop": "Stop the assistant",
   "ai.stopped": "Run stopped.",
-  "ai.agent_mode_off": "Agent mode off (read/search + actions)",
-  "ai.agent_mode_on": "Agent mode on (read/search tools + actions)",
   "ai.casual": "Casual tone",
   "ai.close": "Close assistant",
   "ai.completion_added": "AI: completion added",
@@ -1365,7 +1363,7 @@
   "help.assistant_insert": "The \"Add\" button (revealed on hover of an answer) inserts the answer into the document open in the editor (Editer or Forge); each code block offers \"Add section\" to insert just that block.",
   "help.assistant_links": "Cited files and paths are links: a bare filename copies the name to the clipboard, a folder is revealed in the tree, and a file path opens it in the viewer.",
   "help.assistant_sessions": "The header history icon lists past sessions (reopen or delete); “+” starts a new conversation.",
-  "help.assistant_agent": "The \"agent mode\" button enables tools (read, list, search); modifying actions require confirmation with a change preview.",
+  "help.assistant_agent": "The assistant always uses its tools (read, list, search, modify); modifying actions require confirmation with a change preview.",
   "help.assistant_agent_run": "Actions appear in the thread: the assistant groups modifications into a single approval (\"Approve all\") and refreshes the file tree and the open document as soon as they are applied. The send button becomes \"Stop\" to interrupt the run at any time.",
   "help.assistant_resize": "The left edge of the panel is resizable; the width is remembered.",
   "help.assistant_at": "Type @ to attach a file or directory to the context, or to attach an image from a directory.",