feat(desktop): polish credentials settings and messaging env routing (#39217)

* feat(desktop): polish credentials settings and messaging env routing

Align Provider API Keys and Tools & Keys with Advanced ListRow inputs,
add Tools & Keys sidebar subnav, move platform env vars to Messaging via
channel_managed discovery, strip toolset emojis, and condense cron actions.

Co-authored-by: Cursor <cursoragent@cursor.com>

* fix(desktop): align Messaging credential inputs with settings ListRow style

Remove monospace inputs and use CREDENTIAL_CONTROL_CLASS + ListRow layout
to match Provider API Keys and Tools & Keys.

Co-authored-by: Cursor <cursoragent@cursor.com>

---------

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/hermes_cli/test_tools_config.py

@@ -21,6 +21,7 @@ from hermes_cli.tools_config import (
     _toolset_needs_configuration_prompt,
     CONFIGURABLE_TOOLSETS,
     TOOL_CATEGORIES,
+    gui_toolset_label,
     _visible_providers,
     tools_command,
 )
@@ -79,6 +80,13 @@ def test_get_platform_tools_uses_default_when_platform_not_configured():
     assert enabled.isdisjoint(_DEFAULT_OFF_TOOLSETS)
 
 
+def test_gui_toolset_label_strips_leading_emoji():
+    assert gui_toolset_label("🔍 Web Search & Scraping") == "Web Search & Scraping"
+    assert gui_toolset_label("👁️  Vision / Image Analysis") == "Vision / Image Analysis"
+    assert gui_toolset_label("🔌 My Plugin") == "My Plugin"
+    assert gui_toolset_label("Terminal & Processes") == "Terminal & Processes"
+
+
 def test_configurable_toolsets_include_messaging():
     assert any(ts_key == "messaging" for ts_key, _, _ in CONFIGURABLE_TOOLSETS)