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-compilation-targets/lib/pretty.js

@@ -0,0 +1,40 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.prettifyTargets = prettifyTargets;
+exports.prettifyVersion = prettifyVersion;
+var _semver = require("semver");
+var _targets = require("./targets.js");
+function prettifyVersion(version) {
+  if (typeof version !== "string") {
+    return version;
+  }
+  const {
+    major,
+    minor,
+    patch
+  } = _semver.parse(version);
+  const parts = [major];
+  if (minor || patch) {
+    parts.push(minor);
+  }
+  if (patch) {
+    parts.push(patch);
+  }
+  return parts.join(".");
+}
+function prettifyTargets(targets) {
+  return Object.keys(targets).reduce((results, target) => {
+    let value = targets[target];
+    const unreleasedLabel = _targets.unreleasedLabels[target];
+    if (typeof value === "string" && unreleasedLabel !== value) {
+      value = prettifyVersion(value);
+    }
+    results[target] = value;
+    return results;
+  }, {});
+}
+
+//# sourceMappingURL=pretty.js.map