New jobs in pipeline: secrets-scan: gitleaks detection go-staticcheck: static analysis (complement to golangci-lint) go-gosec: Go security linter test: coverage profiling with 50% threshold gate env-docs-check: verifies all env vars are documented in .env.example docker-compose-check: validates compose.yml syntax nginx-check: validates nginx config frontend-a11y: Svelte a11y accessibility checks Also: remove orphaned Makefile, update .env.example with 11 missing vars, create .gitleaks.toml with allowlist, add check-env-docs.py script. Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
