Enhances code extraction and project indexing

Adds support for Dart and Liquid languages with tree-sitter parsing.
Improves accuracy of code symbol extraction for existing languages.
Indexes project files to enhance code navigation features.
Migrates build system to facilitate code contributions.
Removes git hook functionality.
Integrates Sentry for error tracking and reporting.
Enhances project initialization and configuration loading.

.gitignore

@@ -17,6 +17,7 @@ Thumbs.db
 
 # Test coverage
 coverage/
+.nyc_output/
 
 # Environment
 .env
@@ -27,5 +28,18 @@ coverage/
 *.log
 npm-debug.log*
 
+# TypeScript build info
+*.tsbuildinfo
+
+# SQLite WAL mode files
+*.db-wal
+*.db-shm
+
+# Local Claude settings
+.claude/settings.local.json
+
 # CodeGraph data directories (in test projects)
 .codegraph/
+
+# Test language repos for manual testing
+test-languages/