Complete Go migration: Remove Python infrastructure and add comprehensive test suite

.gitignore

@@ -4,9 +4,7 @@ binaries/precise/*
 !binaries/precise/index*.json
 binaries/trusty/*
 !binaries/trusty/index*.json
-*.pyc
 *.swp
-/env
 *_buildpack*.zip
 /log/
 *.DS_Store
@@ -18,5 +16,54 @@ DebugKit
 .idea
 .vscode/
 Dockerfile
-lib/PyYAML*
-lib/_yaml
+
+# Build artifacts
+*.test
+.bin/
+build/*.zip
+
+# Sensitive files
+AGENTS.md
+
+# Test artifacts
+test-verify*/
+
+# Go build artifacts
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+/bin/supply-compiled
+/bin/detect-compiled
+/bin/finalize-compiled
+/bin/release-compiled
+/bin/start-compiled
+/bin/rewrite-compiled
+
+# Test binary and coverage files
+*.out
+coverage.txt
+*.coverprofile
+
+# Temporary files
+*.tmp
+*.temp
+/tmp/
+/temp/
+
+# Zip and archive files
+*.zip
+*.tar
+*.tar.gz
+*.tgz
+*.rar
+*.7z
+
+# Test output and fixtures
+*_test_output/
+test-results/
+test-fixtures/tmp/
+
+# Comparison directories
+tmp-comparison/