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.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+.output
+.vinxi
+.tanstack/**
+.nitro
+*.local
+
+# Wrangler / Cloudflare
+.wrangler/
+.dev.vars
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

.prettierignore

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+node_modules
+dist
+.output
+.vinxi
+pnpm-lock.yaml
+package-lock.json
+bun.lock
+routeTree.gen.ts

.prettierrc

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+{
+  "printWidth": 100,
+  "semi": true,
+  "singleQuote": false,
+  "trailingComma": "all"
+}

AGENTS.md

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+<!-- LOVABLE:BEGIN -->
+> [!IMPORTANT]
+> This project is connected to [Lovable](https://lovable.dev). Avoid rewriting
+> published git history — force pushing, or rebasing/amending/squashing commits
+> that are already pushed — as it rewrites history on Lovable's side and the
+> user will likely lose their project history.
+>
+> Commits you push to the connected branch sync back to Lovable and show up in
+> the editor, so keep the branch in a working state.
+<!-- LOVABLE:END -->

README.md

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+# Tatting Canvas Studio
+
+Build an interactive web app for Tatting pattern design (Editor Studio) similar to tatting-studio.lovable.app. Needs:
+
+Grid background with snap (10px).
+
+Left sidebar with Tatting elements (Rings with picots: Ring 4, Ring 6, Ring 8... and Arcs).
+
+Interactive Canvas: drag and drop elements, rotate, change thread color, duplicate, mirror (symmetry).
+
+Right sidebar for color palette (gold, silver, purple, etc.).
+
+Export canvas to PNG button. Make UI clean, modern, and tablet touch-friendly with large buttons.
+
+This project was built with [Lovable](https://lovable.dev).
+
+## Build with Lovable
+
+Continue developing this project in the [Lovable editor](https://lovable.dev/projects/b3b0a826-a5e5-4624-a36e-e855eda92ed4).
+
+- **Ship faster**: describe what you want to build and Lovable handles the code.
+- **Stay in sync**: every change made in Lovable is committed straight to this repository.
+- **Full ownership**: this code is yours. Push to `main` on GitHub and your changes sync back into Lovable, ready for your next prompt.
+
+## Development
+
+Prefer working locally? You need Node.js and npm — [install with nvm](https://github.com/nvm-sh/nvm#installing-and-updating).
+
+```sh
+git clone <this-repository-url>
+cd <repository-name>
+npm i
+npm run dev
+```

bunfig.toml

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+[install]
+saveTextLockfile = true
+# 24h supply-chain guard: skip package versions published less than a day ago.
+minimumReleaseAge = 86400
+# Each entry bypasses the 24h guard for one package — confirm with the user
+# before adding any.
+minimumReleaseAgeExcludes = ["@lovable.dev/vite-tanstack-config", "@lovable.dev/mcp-js", "@lovable.dev/vite-plugin-dev-server-bridge", "@lovable.dev/vite-plugin-hmr-gate", "@lovable.dev/email-js", "@lovable.dev/webhooks-js"]

components.json

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+{
+  "$schema": "https://ui.shadcn.com/schema.json",
+  "style": "new-york",
+  "rsc": false,
+  "tsx": true,
+  "tailwind": {
+    "css": "src/styles.css",
+    "baseColor": "slate",
+    "cssVariables": true,
+    "prefix": ""
+  },
+  "iconLibrary": "lucide",
+  "rtl": false,
+  "aliases": {
+    "components": "@/components",
+    "utils": "@/lib/utils",
+    "ui": "@/components/ui",
+    "lib": "@/lib",
+    "hooks": "@/hooks"
+  },
+  "registries": {}
+}

eslint.config.js

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+import js from "@eslint/js";
+import eslintPluginPrettier from "eslint-plugin-prettier/recommended";
+import globals from "globals";
+import reactHooks from "eslint-plugin-react-hooks";
+import reactRefresh from "eslint-plugin-react-refresh";
+import tseslint from "typescript-eslint";
+
+export default tseslint.config(
+  { ignores: ["dist", ".output", ".vinxi"] },
+  {
+    extends: [js.configs.recommended, ...tseslint.configs.recommended],
+    files: ["**/*.{ts,tsx}"],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+    plugins: {
+      "react-hooks": reactHooks,
+      "react-refresh": reactRefresh,
+    },
+    rules: {
+      ...reactHooks.configs.recommended.rules,
+      "no-restricted-imports": [
+        "error",
+        {
+          paths: [
+            {
+              name: "server-only",
+              message:
+                "TanStack Start does not use the Next.js `server-only` package. Rename the module to `*.server.ts` or mark it with `@tanstack/react-start/server-only`.",
+            },
+          ],
+        },
+      ],
+      "react-refresh/only-export-components": ["warn", { allowConstantExport: true }],
+      "@typescript-eslint/no-unused-vars": "off",
+    },
+  },
+  eslintPluginPrettier,
+);

package.json

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+{
+  "name": "tanstack_start_ts",
+  "private": true,
+  "sideEffects": false,
+  "type": "module",
+  "scripts": {
+    "dev": "vite dev",
+    "build": "vite build",
+    "build:dev": "vite build --mode development",
+    "preview": "vite preview",
+    "lint": "eslint .",
+    "format": "prettier --write ."
+  },
+  "dependencies": {
+    "@hookform/resolvers": "^5.2.2",
+    "@radix-ui/react-accordion": "^1.2.12",
+    "@radix-ui/react-alert-dialog": "^1.1.15",
+    "@radix-ui/react-aspect-ratio": "^1.1.8",
+    "@radix-ui/react-avatar": "^1.1.11",
+    "@radix-ui/react-checkbox": "^1.3.3",
+    "@radix-ui/react-collapsible": "^1.1.12",
+    "@radix-ui/react-context-menu": "^2.2.16",
+    "@radix-ui/react-dialog": "^1.1.15",
+    "@radix-ui/react-dropdown-menu": "^2.1.16",
+    "@radix-ui/react-hover-card": "^1.1.15",
+    "@radix-ui/react-label": "^2.1.8",
+    "@radix-ui/react-menubar": "^1.1.16",
+    "@radix-ui/react-navigation-menu": "^1.2.14",
+    "@radix-ui/react-popover": "^1.1.15",
+    "@radix-ui/react-progress": "^1.1.8",
+    "@radix-ui/react-radio-group": "^1.3.8",
+    "@radix-ui/react-scroll-area": "^1.2.10",
+    "@radix-ui/react-select": "^2.2.6",
+    "@radix-ui/react-separator": "^1.1.8",
+    "@radix-ui/react-slider": "^1.3.6",
+    "@radix-ui/react-slot": "^1.2.4",
+    "@radix-ui/react-switch": "^1.2.6",
+    "@radix-ui/react-tabs": "^1.1.13",
+    "@radix-ui/react-toggle": "^1.1.10",
+    "@radix-ui/react-toggle-group": "^1.1.11",
+    "@radix-ui/react-tooltip": "^1.2.8",
+    "@tailwindcss/vite": "^4.2.1",
+    "@tanstack/react-query": "^5.101.1",
+    "@tanstack/react-router": "^1.170.18",
+    "@tanstack/react-start": "^1.168.32",
+    "@tanstack/router-plugin": "^1.168.23",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "cmdk": "^1.1.1",
+    "date-fns": "^4.1.0",
+    "embla-carousel-react": "^8.6.0",
+    "fabric": "^7.4.0",
+    "input-otp": "^1.4.2",
+    "jspdf": "^4.2.1",
+    "lucide-react": "^0.575.0",
+    "react": "^19.2.0",
+    "react-day-picker": "^9.14.0",
+    "react-dom": "^19.2.0",
+    "react-hook-form": "^7.71.2",
+    "react-resizable-panels": "^4.6.5",
+    "recharts": "^2.15.4",
+    "sonner": "^2.0.7",
+    "tailwind-merge": "^3.5.0",
+    "tailwindcss": "^4.2.1",
+    "tw-animate-css": "^1.3.4",
+    "vaul": "^1.1.2",
+    "vite-tsconfig-paths": "^6.0.2",
+    "zod": "^3.24.2"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.32.0",
+    "@lovable.dev/vite-tanstack-config": "^2.8.5",
+    "@types/node": "^22.16.5",
+    "@types/react": "^19.2.0",
+    "@types/react-dom": "^19.2.0",
+    "@vitejs/plugin-react": "^5.2.0",
+    "eslint": "^9.32.0",
+    "eslint-config-prettier": "^10.1.1",
+    "eslint-plugin-prettier": "^5.2.6",
+    "eslint-plugin-react-hooks": "^5.2.0",
+    "eslint-plugin-react-refresh": "^0.4.20",
+    "globals": "^15.15.0",
+    "nitro": "3.0.260603-beta",
+    "prettier": "^3.7.3",
+    "typescript": "^5.8.3",
+    "typescript-eslint": "^8.56.1",
+    "vite": "^8.1.5"
+  }
+}

tsconfig.json

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+{
+  "include": ["src/**/*.ts", "src/**/*.tsx", "vite.config.ts", "eslint.config.js"],
+  "compilerOptions": {
+    "target": "ES2022",
+    "jsx": "react-jsx",
+    "module": "ESNext",
+    "lib": ["ES2022", "DOM", "DOM.Iterable"],
+    "types": ["vite/client"],
+
+    "moduleResolution": "Bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": false,
+    "noEmit": true,
+
+    "skipLibCheck": true,
+    "strict": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noFallthroughCasesInSwitch": true,
+    "noImplicitOverride": true,
+    "noImplicitReturns": true,
+    "noPropertyAccessFromIndexSignature": true,
+    "noUncheckedIndexedAccess": true,
+    "exactOptionalPropertyTypes": true,
+    "noUncheckedSideEffectImports": true,
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  }
+}

vite.config.ts

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+// @lovable.dev/vite-tanstack-config already includes the following — do NOT add them manually
+// or the app will break with duplicate plugins:
+//   - TanStack devtools (dev-only, first), tanstackStart, viteReact, tailwindcss, tsConfigPaths,
+//     nitro (build-only using cloudflare as a default target), VITE_* env injection, @ path alias,
+//     React/TanStack dedupe, error logger plugins, and sandbox detection (port/host/strictPort).
+// You can pass additional config via defineConfig({ vite: { ... }, etc... }) if needed.
+import { defineConfig } from "@lovable.dev/vite-tanstack-config";
+
+export default defineConfig({
+  tanstackStart: {
+    // Redirect TanStack Start's bundled server entry to src/server.ts (our SSR error wrapper).
+    // nitro/vite builds from this
+    server: { entry: "server" },
+  },
+});