feat: add PolicyPackSelectorComponent with tests and integration

- Implemented PolicyPackSelectorComponent for selecting policy packs.
- Added unit tests for component behavior, including API success and error handling.
- Introduced monaco-workers type declarations for editor workers.
- Created acceptance tests for guardrails with stubs for AT1–AT10.
- Established SCA Failure Catalogue Fixtures for regression testing.
- Developed plugin determinism harness with stubs for PL1–PL10.
- Added scripts for evidence upload and verification processes.

docs/product-advisories/30-Nov-2025 - Standup Sprint Kickstarters.md

@@ -0,0 +1,16 @@
+# 30-Nov-2025 · Standup Sprint Kickstarters
+
+**Why now:** Day-0 unblockers accelerate sprint readiness and reduce blocker latency for Docs ladder and downstream modules.
+
+## Scope
+- Three kickstarter tasks (scanner regressions, Postgres slice, DSSE/Rekor sweep) with ticket names/owners.
+- Alignment with sprint template and readiness checklist expectations.
+
+## Required artefacts (MVP)
+- This advisory; sprint tracker row 22 updated; readiness checklist ties into `docs/implplan/README.md` template.
+
+## Determinism & Offline
+- Keep examples and scripts offline-friendly; pin tool versions.
+
+## Next actions
+- Add readiness checklist snippets to sprint template; log completion in Execution Log when linked.