feat: Upgrade TypeScript to v5.8.3 (#30) (#35)

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: lxcid <[email protected]>

Author: lxcid

.gitignore

@@ -117,3 +117,9 @@ dist
 # @taskade/eslint
 
 lib
+
+# TypeScript build artifacts in src directories
+packages/*/src/**/*.js
+packages/*/src/**/*.js.map
+packages/*/src/**/*.d.ts
+packages/*/src/**/*.d.ts.map