Policies with block_on_deploy=1 now scan every stack image before
docker compose up runs and reject the deploy with HTTP 409 on violation.
The UI opens a dialog listing offending images; admins can override per
deploy with ?ignorePolicy=true, and every bypass is recorded in the
audit log with the originating route, actor, policy, and image list.
When Trivy is not installed on the target node the gate fails open with
a warning notification, so teams are never locked out by tooling state.
Post-deploy and scheduled scans still evaluate matching policies and
dispatch warnings on violations to surface drift on long-running stacks.
Public API additions: policy and suppression CRUD under /api/security,
plus the documented 409 block-response shape on all deploy paths.
Adds a new SarifExporter service that builds a SARIF 2.1.0 document
from the stored scan findings (vulnerabilities, secrets, misconfigs).
Rule IDs are namespaced to avoid collisions in a flat result list.
Suppressions carry through as SARIF suppressions[] entries so GitHub
code scanning and Defender for Cloud see the same accepted status
shown in the UI.
Exposed via GET /api/security/scans/:id/sarif, admin + paid-tier
gated to match the SBOM export precedent. A SARIF button appears
in the scan sheet next to SBOM and CSV for paid tiers.