fix(desktop): keep composer usable during reconnect (#45488)

* feat(cli): add --safe-mode troubleshooting flag

Inspired by Claude Code v2.1.169 (June 2026): run Hermes with all
customizations disabled to isolate setup problems from product bugs.

--safe-mode implies --ignore-user-config and --ignore-rules, and
additionally skips plugin discovery (hermes_cli/plugins.py) and MCP
server loading (tools/mcp_tool.py) via the internal HERMES_SAFE_MODE
env bridge.

* fix(desktop): keep composer usable during reconnect

hermes_cli/_parser.py

@@ -213,6 +213,13 @@ def build_top_level_parser():
         default=False,
         help="Skip auto-injection of AGENTS.md, SOUL.md, .cursorrules, memory, and preloaded skills",
     )
+    _inherited_flag(
+        parser,
+        "--safe-mode",
+        action="store_true",
+        default=False,
+        help="Troubleshooting mode: disable ALL customizations — user config, AGENTS.md/memory injection, plugins, and MCP servers (implies --ignore-user-config and --ignore-rules)",
+    )
     _inherited_flag(
         parser,
         "--tui",
@@ -366,6 +373,13 @@ def build_top_level_parser():
         default=argparse.SUPPRESS,
         help="Skip auto-injection of AGENTS.md, SOUL.md, .cursorrules, memory, and preloaded skills. Combine with --ignore-user-config for a fully isolated run.",
     )
+    _inherited_flag(
+        chat_parser,
+        "--safe-mode",
+        action="store_true",
+        default=argparse.SUPPRESS,
+        help="Troubleshooting mode: disable ALL customizations — user config, AGENTS.md/memory injection, plugins, and MCP servers (implies --ignore-user-config and --ignore-rules). Use to isolate whether a problem comes from your setup or from Hermes itself.",
+    )
     chat_parser.add_argument(
         "--source",
         default=None,