feat: V1 prototype — Vite/React/TS tileset generator

- Scaffold: package.json, tsconfig.json, vite.config.ts, index.html
- src/lib/imageProcessor.ts: full pipeline (normalize, offset, seam repair, export, validation)
- src/components/UploadPanel.tsx: drag-and-drop, file picker, clipboard paste
- src/components/SettingsPanel.tsx: all controls per spec
- src/components/PreviewPanel.tsx: Original / Tileable / Repeated tabs
- src/components/ErrorBanner.tsx: dismissible error/warning banners
- src/App.tsx: root component wiring everything together
- src/index.css: dark premium glassmorphism theme w/ Inter font

node_modules/@babel/helper-validator-option/lib/index.js

@@ -0,0 +1,21 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "OptionValidator", {
+  enumerable: true,
+  get: function () {
+    return _validator.OptionValidator;
+  }
+});
+Object.defineProperty(exports, "findSuggestion", {
+  enumerable: true,
+  get: function () {
+    return _findSuggestion.findSuggestion;
+  }
+});
+var _validator = require("./validator.js");
+var _findSuggestion = require("./find-suggestion.js");
+
+//# sourceMappingURL=index.js.map