feat: add auto-load CLAUDE.md functionality

- Introduced a new setting to enable automatic loading of CLAUDE.md files from project-specific directories.
- Updated relevant services and components to support the new setting, including the AgentService and AutoModeService.
- Added UI controls for managing the auto-load setting in the settings view.
- Enhanced SDK options to incorporate settingSources for CLAUDE.md loading.
- Updated global and project settings interfaces to include autoLoadClaudeMd property.

libs/types/src/settings.ts

@@ -297,6 +297,10 @@ export interface GlobalSettings {
   // Window State (Electron only)
   /** Persisted window bounds for restoring position/size across sessions */
   windowBounds?: WindowBounds;
+
+  // Claude Agent SDK Settings
+  /** Auto-load CLAUDE.md files using SDK's settingSources option */
+  autoLoadClaudeMd?: boolean;
 }
 
 /**
@@ -392,6 +396,10 @@ export interface ProjectSettings {
   // Session Tracking
   /** Last chat session selected in this project */
   lastSelectedSessionId?: string;
+
+  // Claude Agent SDK Settings
+  /** Auto-load CLAUDE.md files using SDK's settingSources option (project override) */
+  autoLoadClaudeMd?: boolean;
 }
 
 /**
@@ -450,6 +458,7 @@ export const DEFAULT_GLOBAL_SETTINGS: GlobalSettings = {
   recentFolders: [],
   worktreePanelCollapsed: false,
   lastSelectedSessionByProject: {},
+  autoLoadClaudeMd: false,
 };
 
 /** Default credentials (empty strings - user must provide API keys) */