Add mode tool to Coding group (was coding_mode)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: macOS26

AgentXcode/Agent/Services/ToolPreferencesService.swift

@@ -29,7 +29,7 @@ final class ToolPreferencesService {
 
     /// Tool group definitions - maps group name to tool name prefixes
     static let toolGroups: [String: Set<String>] = [
-        "Coding": Set(["xcode", "file_manager", "project_folder", "coding_mode"]),
+        "Coding": Set(["xcode", "file_manager", "project_folder", "mode"]),
         "Automation": Set(["applescript_tool", "accessibility", "javascript_tool", "lookup_sdef"]),
         "Experimental": Set(["selenium", "ax_screenshot"]),
         "Core": Set(["task_complete", "list_tools", "web_search"]),

AgentXcode/Agent/Views/ToolsView.swift

@@ -9,7 +9,7 @@ struct ToolsView: View {
 
     // Group definitions matching ToolPreferencesService — use exact name sets to avoid overlap
     static let groups: [String: (filter: (AgentTools.ToolDef) -> Bool, icon: String)] = [
-        "Coding": ({ ["read_file", "write_file", "edit_file", "create_diff", "apply_diff", "diff_and_apply", "undo_edit", "list_files", "search_files", "read_dir", "file_manager", "xcode", "project_folder", "coding_mode"].contains($0.name) }, "chevron.left.forwardslash.chevron.right"),
+        "Coding": ({ ["read_file", "write_file", "edit_file", "create_diff", "apply_diff", "diff_and_apply", "undo_edit", "list_files", "search_files", "read_dir", "file_manager", "xcode", "project_folder", "mode"].contains($0.name) }, "chevron.left.forwardslash.chevron.right"),
         "Automation": ({ ["applescript_tool", "accessibility", "javascript_tool", "lookup_sdef"].contains($0.name) }, "gearshape.2"),
         "Experimental": ({ ["ax_screenshot", "selenium"].contains($0.name) }, "flask"),
         "Core": ({ ["task_complete", "list_tools", "web_search"].contains($0.name) }, "checkmark.circle"),