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.

.gitea/workflows/evidence-locker.yml

@@ -31,14 +31,32 @@ jobs:
     needs: check-evidence-locker
     env:
       STAGED_DIR: evidence-locker/zastava/2025-12-02
+      MODULE_ROOT: docs/modules/zastava
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Package staged Zastava artefacts
         run: |
-          test -d "$STAGED_DIR" || { echo "missing $STAGED_DIR" >&2; exit 1; }
-          tar -cf /tmp/zastava-evidence.tar -C "$STAGED_DIR" .
+          test -d "$MODULE_ROOT" || { echo "missing $MODULE_ROOT" >&2; exit 1; }
+          tmpdir=$(mktemp -d)
+          rsync -a --relative \
+            "$MODULE_ROOT/SHA256SUMS" \
+            "$MODULE_ROOT/schemas/" \
+            "$MODULE_ROOT/exports/" \
+            "$MODULE_ROOT/thresholds.yaml" \
+            "$MODULE_ROOT/thresholds.yaml.dsse" \
+            "$MODULE_ROOT/kit/verify.sh" \
+            "$MODULE_ROOT/kit/README.md" \
+            "$MODULE_ROOT/kit/ed25519.pub" \
+            "$MODULE_ROOT/kit/zastava-kit.tzst" \
+            "$MODULE_ROOT/kit/zastava-kit.tzst.dsse" \
+            "$MODULE_ROOT/evidence/README.md" \
+            "$tmpdir/"
+          (cd "$tmpdir/docs/modules/zastava" && sha256sum --check SHA256SUMS)
+          tar --sort=name --mtime="UTC 1970-01-01" --owner=0 --group=0 --numeric-owner \
+            -cf /tmp/zastava-evidence.tar -C "$tmpdir/docs/modules/zastava" .
+          sha256sum /tmp/zastava-evidence.tar
 
       - name: Upload staged artefacts (fallback)
         uses: actions/upload-artifact@v4