• Merge pull request #371 from kaitranntt/kai/fix/uninstall-hooks-cleanup
• fix: address PR review feedback
• fix(isolation): add getCcsDir/getCcsHome to more files
• fix(isolation): use getCcsDir() for test isolation
• feat(websearch): inject hooks on profile creation
• refactor(websearch): address PR review recommendations
• fix(websearch): use getCcsDir() for test isolation
• test(uninstall): update tests for per-profile hook behavior
• refactor(uninstall): stop modifying global settings.json
• feat(cli): inject hooks into profile settings on launch
• feat(websearch): add per-profile hook injection module
• test(uninstall): add hook cleanup tests
• feat(npm): add postuninstall script
• feat(cli): implement --uninstall handler
• feat(websearch): call removeHookConfig on uninstall