[v1][release] v1.0.0 release publication + smoke evidence

[KeiaiLab-PHIL]

목표

v1.0.0 tag/image/Helm chart/SBOM/signing/runbook evidence를 검증 가능한 release package로 정리한다.

작업

• scripts/check-version-sync.sh 기준 version SSOT 정합
• CITATION.cff, Chart.yaml, dist/install.yaml, OLM bundle version 정합
• operator image와 PostgreSQL runtime image publication 확인
• Helm chart package/index publication 확인
• SBOM 생성/첨부 및 cosign signing/attestation 확인
• scripts/release-smoke-test.sh v1.0.0 PASS
• CHANGELOG/UPGRADING/SECURITY/SUPPORT 문서 최종 확인

완료 기준

• make lint test validate PASS
• release smoke 6-stage PASS
• GHCR/Helm/SBOM/signature evidence 첨부

참고: scripts/release-smoke-test.sh, scripts/check-version-sync.sh