🏗️ chore: clean up repository - remove baseline_pyright.txt and update patterns

- Remove 1.8MB baseline_pyright.txt artifact file
- Add pyright output and ruff cache patterns to .gitignore
- Remove deprecated_javascript_version reference from README.md

Author: MasuRii

.gitignore

@@ -272,6 +272,13 @@ docker/my_*.json
 
 monkeytype.sqlite3
 
+# Pyright output
+baseline_pyright.txt
+pyright_*.txt
+
+# Ruff cache (explicit)
+.ruff_cache/
+
 # Temporary debug/output files
 pyright_output.txt
 pyright_utils_full.txt

README.md

@@ -24,7 +24,7 @@ At the same time, we sincerely thank every friend who has silently contributed t
 
 ---
 
-**This is the currently maintained Python version. The deprecated JavaScript version can be found in [`deprecated_javascript_version/README.md`](deprecated_javascript_version/README.md).**
+**This is the currently maintained Python version.**
 
 ## 📊 Compatibility Matrix