chore(ci): bump Node.js to 24 across all workflows (#1467)

fix(perl-development): fix shell injection vulnerability in ensure_compatibility example (#1461)

chore(permissions): grant Write, Edit, and Bash tools for implementation workflow (#1468)

fix(bash-development): Fix ${ } syntax and task_output bugs in bash-53-features and log_functions (#1462)

Update copilot-setup-steps.yml

fix(backlog-core): remove beads bootstrap blocking MCP server initialization (#1463)

Add Stop Slop research entry and improvement proposals (#1460)

docs(ci): rewrite copilot-instructions.md as lean decisions + routing (#1427)

Add end-to-end live validation tests with GitHub issue cleanup (#1456)

Add DH_PROJECT_ROOT environment variable to plugin servers (#1457)

Add developer tools and design gallery research documentation (#1429)

Update plugin counts and add python-engineering plugin (#1428)

fix(tests): pass gate_token to all backlog_add calls in test_scenarios.py

feat(backlog-core): uncommitted server and test changes

fix(development-harness): resolve 3 QG concerns from #104 code review