docs: Update CLAUDE.md and cookbook for v0.10.0 multi-domain release

- Add --deploy flag documentation to quick reference
- Update platform status with Multi-Domain Support (Done)
- Add current version indicator
- Add new implementation entries to cookbook
- Mark cookbook ready for E2E testing

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CLAUDE.md

@@ -47,10 +47,13 @@ go run ./cmd/rdev-api
 # Run tests
 go test ./...
 
-# Release new version
-./scripts/release.sh v0.8.1 "Description of changes"
+# Release + deploy (one command)
+./scripts/release.sh v0.10.1 "Description of changes" --deploy
 
-# Deploy (after release)
+# Release only (no deploy)
+./scripts/release.sh v0.10.1 "Description of changes"
+
+# Manual deploy (if needed)
 kubectl apply -f deployments/k8s/base/rdev-api.yaml
 kubectl rollout restart -n rdev deployment/rdev-api
 
@@ -128,8 +131,11 @@ cookbooks/             # End-to-end workflow guides
 | Multi-Provider Agents | **Done** | Claude Code + OpenCode via registry |
 | Webhooks | **Done** | Event dispatcher with retry delivery |
 | Embedded Worker | **Done** | Goroutine in rdev-api, polls queue |
+| Multi-Domain Support | **Done** | Auto-slugs, custom subdomains, DNS aliases |
 | Build Orchestration | Planned | Structured build specs via API |
 
+**Current Version:** v0.10.0
+
 ## Constraints
 
 - **ON-PREM k3s** - not GKE, always set KUBECONFIG

cookbooks/landing-page.md

@@ -291,6 +291,11 @@ All components for the full landing page pipeline are implemented:
 | DNS alias endpoints | `internal/handlers/infrastructure_domains.go` | Implemented |
 | CI pipeline proxy | `internal/handlers/infrastructure_pipelines.go` | Implemented |
 | Create-and-build endpoint | `internal/handlers/create_and_build.go` | Implemented |
+| Multi-domain support | `internal/adapter/postgres/project_domain.go` | Implemented |
+| Auto-generated slugs | `internal/domain/project_domain.go` | Implemented |
+| Site health check | `internal/service/project_infra.go` | Implemented |
+
+**Ready for E2E testing:** Run `./cookbooks/scripts/landing-test.sh run` to test the full flow.
 
 ---