Clean up .gitignore for Claude Code files

Only ignore personal files (CLAUDE.local.md, settings.local.json).
Remove entries that block shared project files like .claude/commands/
and .claude/docs/ from being committed.

Author: cderv

.gitignore

@@ -1,13 +1,10 @@
 .DS_Store
 .idea
 
-# Claude Code files
+# Claude Code personal files
 CLAUDE.local.md
-.claude/commands/
-.claude/docs/
 .claude/settings.local.json
-.claude/.claude/
-.claude/.private-journal/
+
 *.RData
 *.Rproj
 *.Rhistory
@@ -21,7 +18,6 @@ package/dist/**
 /tests/test-out.json
 *~
 .env
-.private-journal/
 # deno_std library
 src/resources/deno_std/cache
 src/vendor-*