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.

src/Web/StellaOps.Web/package-lock.json

@@ -16,8 +16,10 @@
         "@angular/platform-browser": "^17.3.0",
         "@angular/platform-browser-dynamic": "^17.3.0",
         "@angular/router": "^17.3.0",
+        "monaco-editor": "0.52.0",
         "rxjs": "~7.8.0",
         "tslib": "^2.3.0",
+        "yaml": "^2.4.2",
         "zone.js": "~0.14.3"
       },
       "devDependencies": {
@@ -11207,6 +11209,16 @@
         "node": ">= 10.0.0"
       }
     },
+    "node_modules/fork-ts-checker-webpack-plugin/node_modules/yaml": {
+      "version": "1.10.2",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.10.2.tgz",
+      "integrity": "sha512-r3vXyErRCYJ7wg28yvBY5VSoAF8ZvlcW9/BwUzEtUsjvX/DKs24dIkuwjtuprwJJHsbyUbLApepYTR1BN4uHrg==",
+      "dev": true,
+      "license": "ISC",
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/forwarded": {
       "version": "0.2.0",
       "dev": true,
@@ -13921,6 +13933,12 @@
         "ufo": "^1.6.1"
       }
     },
+    "node_modules/monaco-editor": {
+      "version": "0.52.0",
+      "resolved": "https://registry.npmjs.org/monaco-editor/-/monaco-editor-0.52.0.tgz",
+      "integrity": "sha512-OeWhNpABLCeTqubfqLMXGsqf6OmPU6pHM85kF3dhy6kq5hnhuVS1p3VrEW/XhWHc71P2tHyS5JFySD8mgs1crw==",
+      "license": "MIT"
+    },
     "node_modules/mrmime": {
       "version": "2.0.0",
       "dev": true,
@@ -18778,13 +18796,15 @@
       "license": "ISC"
     },
     "node_modules/yaml": {
-      "version": "1.10.2",
-      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.10.2.tgz",
-      "integrity": "sha512-r3vXyErRCYJ7wg28yvBY5VSoAF8ZvlcW9/BwUzEtUsjvX/DKs24dIkuwjtuprwJJHsbyUbLApepYTR1BN4uHrg==",
-      "dev": true,
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.4.2.tgz",
+      "integrity": "sha512-B3VqDZ+JAg1nZpaEmWtTXUlBneoGx6CPM9b0TENK6aoSu5t73dItudwdgmi6tHlIZZId4dZ9skcAQ2UbcyAeVA==",
       "license": "ISC",
+      "bin": {
+        "yaml": "bin.mjs"
+      },
       "engines": {
-        "node": ">= 6"
+        "node": ">= 14"
       }
     },
     "node_modules/yargs": {