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-module-imports/lib/index.js

@@ -0,0 +1,37 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "ImportInjector", {
+  enumerable: true,
+  get: function () {
+    return _importInjector.default;
+  }
+});
+exports.addDefault = addDefault;
+exports.addNamed = addNamed;
+exports.addNamespace = addNamespace;
+exports.addSideEffect = addSideEffect;
+Object.defineProperty(exports, "isModule", {
+  enumerable: true,
+  get: function () {
+    return _isModule.default;
+  }
+});
+var _importInjector = require("./import-injector.js");
+var _isModule = require("./is-module.js");
+function addDefault(path, importedSource, opts) {
+  return new _importInjector.default(path).addDefault(importedSource, opts);
+}
+function addNamed(path, name, importedSource, opts) {
+  return new _importInjector.default(path).addNamed(name, importedSource, opts);
+}
+function addNamespace(path, importedSource, opts) {
+  return new _importInjector.default(path).addNamespace(importedSource, opts);
+}
+function addSideEffect(path, importedSource, opts) {
+  return new _importInjector.default(path).addSideEffect(importedSource, opts);
+}
+
+//# sourceMappingURL=index.js.map