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/template/lib/formatters.js

@@ -0,0 +1,61 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.statements = exports.statement = exports.smart = exports.program = exports.expression = void 0;
+var _t = require("@babel/types");
+const {
+  assertExpressionStatement
+} = _t;
+function makeStatementFormatter(fn) {
+  return {
+    code: str => `/* @babel/template */;\n${str}`,
+    validate: () => {},
+    unwrap: ast => {
+      return fn(ast.program.body.slice(1));
+    }
+  };
+}
+const smart = exports.smart = makeStatementFormatter(body => {
+  if (body.length > 1) {
+    return body;
+  } else {
+    return body[0];
+  }
+});
+const statements = exports.statements = makeStatementFormatter(body => body);
+const statement = exports.statement = makeStatementFormatter(body => {
+  if (body.length === 0) {
+    throw new Error("Found nothing to return.");
+  }
+  if (body.length > 1) {
+    throw new Error("Found multiple statements but wanted one");
+  }
+  return body[0];
+});
+const expression = exports.expression = {
+  code: str => `(\n${str}\n)`,
+  validate: ast => {
+    if (ast.program.body.length > 1) {
+      throw new Error("Found multiple statements but wanted one");
+    }
+    if (expression.unwrap(ast).start === 0) {
+      throw new Error("Parse result included parens.");
+    }
+  },
+  unwrap: ({
+    program
+  }) => {
+    const [stmt] = program.body;
+    assertExpressionStatement(stmt);
+    return stmt.expression;
+  }
+};
+const program = exports.program = {
+  code: str => str,
+  validate: () => {},
+  unwrap: ast => ast.program
+};
+
+//# sourceMappingURL=formatters.js.map