Rename CLAUDE.md to AGENTS.md and symlink it back

AGENTS.md

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+# go-deploy-lab
+
+## Project Overview
+
+A deliberately simple Go application with a deliberately thorough deployment lifecycle. Config registry (namespaced key-value store) backed by PostgreSQL. The app is boring on purpose — the infrastructure discipline is the point.
+
+## Git Conventions
+
+- Do NOT add Co-Authored-By trailers to commits.
+- Use conventional commit format: `feat:`, `fix:`, `docs:`, `ci:`, `chore:`, etc.
+- Keep commits atomic and descriptive.
+
+## Architecture
+
+- `cmd/server/` — Entrypoint. Config loading, signal handling, graceful shutdown.
+- `internal/config/` — 12-factor env-based config with validation.
+- `internal/handler/` — HTTP handlers for CRUD + health/readiness probes.
+- `internal/middleware/` — Request ID, structured logging, Prometheus metrics.
+- `internal/store/` — PostgreSQL repository using pgx/v5 connection pool.
+- `internal/metrics/` — Prometheus collectors.
+- `migrations/` — SQL migrations run via golang-migrate init container.
+- `docker/` — Multi-stage Dockerfile targeting distroless.
+- `k8s/` — Kubernetes manifests (deployment, service, ingress, HPA, PostgreSQL StatefulSet).
+- `policies/` — Kyverno ClusterPolicies (non-root, resource limits, drop capabilities).
+- `monitoring/` — Prometheus scrape config, Grafana dashboard as code.
+
+## Build Order
+
+```bash
+task test       # Run tests
+task build      # Build binary
+task docker:build  # Build container image
+```
+
+## Key Constraints
+
+- Go 1.26.2, pgx/v5 for database (not database/sql + lib/pq)
+- Structured logging via stdlib slog (no external logging deps)
+- Distroless final image — no shell, no package manager
+- Migrations run as init container, not on application boot
+- All containers run as non-root with dropped capabilities

CLAUDE.md

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+AGENTS.md