Update .gitignore: trace logs, test binaries, Python venvs

Co-Authored-By: Claude Opus 4.6 <[email protected]>

Author: JoeMatt

.gitignore

@@ -8,7 +8,27 @@
 .DS_Store
 .build
 /.claude
+
+# Python virtual environments
+.venv*/
+
+# Debug/test logs
+*.log
+cd_trace*.log
+stderr.log
+stdout.log
+test/*.log
+
+# Test binaries and debug symbols
 test/test_blitter_simd
+test/test_cd_boot
+test/*.dSYM/
+
+# One-off tools
+chd_dump
+chd_dump.c
+
+# Private test ROMs
 test/roms/private/*
 !test/roms/private/.gitkeep
 !test/roms/private/README.md