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/traverse/lib/path/removal.js

@@ -0,0 +1,67 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports._assertUnremoved = _assertUnremoved;
+exports._callRemovalHooks = _callRemovalHooks;
+exports._markRemoved = _markRemoved;
+exports._remove = _remove;
+exports._removeFromScope = _removeFromScope;
+exports.remove = remove;
+var _removalHooks = require("./lib/removal-hooks.js");
+var _cache = require("../cache.js");
+var _replacement = require("./replacement.js");
+var _index = require("./index.js");
+var t = require("@babel/types");
+var _modification = require("./modification.js");
+var _context = require("./context.js");
+function remove() {
+  var _this$opts;
+  _assertUnremoved.call(this);
+  _context.resync.call(this);
+  if (_callRemovalHooks.call(this)) {
+    _markRemoved.call(this);
+    return;
+  }
+  if (!((_this$opts = this.opts) != null && _this$opts.noScope)) {
+    _removeFromScope.call(this);
+  }
+  this.shareCommentsWithSiblings();
+  _remove.call(this);
+  _markRemoved.call(this);
+}
+function _removeFromScope() {
+  const bindings = t.getBindingIdentifiers(this.node, false, false, true);
+  Object.keys(bindings).forEach(name => this.scope.removeBinding(name));
+}
+function _callRemovalHooks() {
+  if (this.parentPath) {
+    for (const fn of _removalHooks.hooks) {
+      if (fn(this, this.parentPath)) return true;
+    }
+  }
+}
+function _remove() {
+  if (Array.isArray(this.container)) {
+    this.container.splice(this.key, 1);
+    _modification.updateSiblingKeys.call(this, this.key, -1);
+  } else {
+    _replacement._replaceWith.call(this, null);
+  }
+}
+function _markRemoved() {
+  this._traverseFlags |= _index.SHOULD_SKIP | _index.REMOVED;
+  if (this.parent) {
+    var _getCachedPaths;
+    (_getCachedPaths = (0, _cache.getCachedPaths)(this)) == null || _getCachedPaths.delete(this.node);
+  }
+  this.node = null;
+}
+function _assertUnremoved() {
+  if (this.removed) {
+    throw this.buildCodeFrameError("NodePath has been removed so is read-only.");
+  }
+}
+
+//# sourceMappingURL=removal.js.map