feat: Phase 6 - Powerful Search with regex and waypoint support

- Add enhanced 'search' tool with regex support, case sensitivity control, and advanced filtering
- Add 'search_waypoints' tool for finding Waypoint plugin markers
- Implement SearchUtils with regex/literal search, snippet extraction, and match highlighting
- Add WaypointResult and WaypointSearchResult types
- Update SearchResult type to include isRegex field
- Remove deprecated search_notes tool (breaking change)
- Support glob filtering (includes/excludes) and folder scoping
- Configurable snippet length and result limiting
- Extract wikilinks from waypoint content

Breaking Changes:
- search_notes tool removed, use 'search' tool instead

src/types/mcp-types.ts

@@ -102,12 +102,28 @@ export interface SearchMatch {
 
 export interface SearchResult {
 	query: string;
+	isRegex: boolean;
 	matches: SearchMatch[];
 	totalMatches: number;
 	filesSearched: number;
 	filesWithMatches: number;
 }
 
+// Phase 6: Waypoint Search Types
+export interface WaypointResult {
+	path: string;
+	line: number;
+	waypointRange: { start: number; end: number };
+	content: string;
+	links: string[];
+}
+
+export interface WaypointSearchResult {
+	waypoints: WaypointResult[];
+	totalWaypoints: number;
+	filesSearched: number;
+}
+
 // Phase 3: Discovery Endpoint Types
 export interface StatResult {
 	path: string;