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/airgap/risk-bundles.md

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+# Risk Bundles (Airgap) — outline
+
+- TBD pending export bundle shapes + hashing inputs.
+
+## 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)
+- Bundle structure and manifest fields.
+- Build workflow (offline).
+- Verification workflow with hash list.
+- Import/consumption steps and error handling.