Story 4.2: Fix lint errors and code review findings

- Remove unused StripOverlayLayer import and stripOverlayLayer variable from module.js
- Add comprehensive JSDoc annotations to FoundryAdapter.js methods (settings, socket, users, scenes, notifications, hooks)
- Add /* global Dialog */ comment to PlayerPrivacyPanel.js for ESLint
- Remove unused _force parameter from GMPlayerPrivacySelector.js render() method
- Fix PlayerPrivacyPanelMenu.js: add constructor() to fallback class and call super()

All 862 unit tests passing. All Story 4.2 acceptance criteria met.

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

tests/e2e/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "video-view-manager-e2e",
+  "version": "1.0.0",
+  "description": "E2E tests for Video View Manager FoundryVTT module",
+  "type": "module",
+  "scripts": {
+    "test": "playwright test",
+    "test:ui": "playwright test --ui",
+    "test:headed": "playwright test --headed",
+    "test:debug": "playwright test --debug",
+    "test:foundry": "playwright test --project=foundry-chromium"
+  },
+  "dependencies": {
+    "@playwright/test": "^1.40.0",
+    "playwright": "^1.40.0"
+  },
+  "devDependencies": {},
+  "engines": {
+    "node": ">=18.0.0"
+  }
+}