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/console/risk-ui.md

@@ -0,0 +1,17 @@
+# Risk UI (outline)
+
+- TBD once console assets arrive (authoring, simulation, dashboards).
+
+## Pending Inputs
+- See sprint SPRINT_0309_0001_0009_docs_tasks_md_ix action tracker; inputs due 2025-12-09..12 from owning guilds.
+
+## Determinism Checklist
+- [ ] Hash any inbound assets/payloads; place sums alongside artifacts (e.g., SHA256SUMS in this folder).
+- [ ] Keep examples offline-friendly and deterministic (fixed seeds, pinned versions, stable ordering).
+- [ ] Note source/approver for any provided captures or schemas.
+
+## Sections to fill (once inputs arrive)
+- Overview and navigation (authoring/simulation dashboards).
+- Data inputs and validation.
+- Simulation flows and dashboards.
+- Exports/hashes for screenshots or payload samples (record in `SHA256SUMS`).