fix: correct infrastructure bridge - CI/CD, Dockerfile, tests, code quality

[Copilot]

• Analyze CI/CD failure logs (root cause: go.sum in .gitignore, wiki repo missing)
• Review all CodeRabbit and Copilot review comments on PR Feat/milestone3 part 1 infrastructure bridge #5
• Fix .gitignore: remove go.sum, add coverage.out and .env.*
• Generate and commit go.sum via go mod tidy
• Replace ci.yml with proper CI workflow (vet + test + build)
• Add release.yml workflow for Docker image builds on tags
• Add deploy.yml workflow for Kubernetes deployments with input validation
• Fix Dockerfile for multi-arch support (use TARGETARCH)
• Add .dockerignore to exclude dev files from Docker context
• Fix wiki.yml to handle missing wiki gracefully (continue-on-error)
• Fix HandlePrice to return 404 for not-found/not-configured errors
• Fix ConsumeJob to validate maxConcurrency >= 1
• Fix semaphore re-acquire to observe context cancellation
• Fix ERP pricing test error message expectations
• Fix mock transport to respect context cancellation
• Verify go vet, all tests pass, and build succeeds locally
• Merge main and verify no regressions
• Run parallel validation (code review + CodeQL: both clean)
• Create PR fix: correct infrastructure bridge - CI/CD, Dockerfile, tests, code quality #8 to merge fixes into main (CI awaiting maintainer approval)