feat(FN-969): scaffold TUI package with Ink entry point and vitest config

- Create @fusion/tui package structure with ink and react dependencies
- Add basic App component entry point using Ink's Box and Text primitives
- Configure vitest with passWithNoTests and coverage settings
- Fix tsconfig to exclude vitest/globals types from production build

packages/tui/package.json

@@ -13,20 +13,22 @@
     "README.md"
   ],
   "scripts": {
+    "dev": "tsx src/index.tsx",
     "build": "tsc",
     "typecheck": "tsc --noEmit",
-    "test": "echo 'No tests yet' && exit 0"
+    "test": "vitest run"
   },
   "dependencies": {
-    "@fusion/core": "workspace:*",
     "ink": "^6.8.0",
-    "ink-text-input": "^6.0.0",
     "react": "^19.0.0"
   },
   "devDependencies": {
     "@types/node": "^25.5.0",
     "@types/react": "^19.0.0",
-    "typescript": "^5.7.0"
+    "@vitest/coverage-v8": "^3.1.0",
+    "tsx": "^4.19.0",
+    "typescript": "^5.7.0",
+    "vitest": "^3.1.0"
   },
   "engines": {
     "node": ">=22.5.0"

packages/tui/src/index.tsx

@@ -1,3 +1,12 @@
 /** @fusion/tui — Terminal UI components for kb */
 
-export {};
+import { render, Text } from "ink";
+import React from "react";
+
+/** Main application component for dev mode */
+function App() {
+  return <Text>Hello from @fusion/tui!</Text>;
+}
+
+// When run directly via `pnpm dev`, render the app
+render(<App />);

packages/tui/vitest.config.ts

@@ -0,0 +1,19 @@
+import { defineConfig } from "vitest/config";
+
+const maxWorkers = Number.parseInt(process.env.VITEST_MAX_WORKERS ?? "16", 10);
+
+export default defineConfig({
+  test: {
+    include: ["src/**/*.test.ts", "src/**/*.test.tsx"],
+    passWithNoTests: true,
+    maxWorkers,
+    fileParallelism: true,
+    coverage: {
+      enabled: false,
+      reporter: ["text", "html", "json"],
+      reportsDirectory: "./coverage",
+      include: ["src/**/*.ts", "src/**/*.tsx"],
+      exclude: ["**/*.test.ts", "**/*.test.tsx", "**/*.d.ts", "dist/**"],
+    },
+  },
+});

pnpm-lock.yaml

@@ -246,15 +246,9 @@ importers:
 
   packages/tui:
     dependencies:
-      '@fusion/core':
-        specifier: workspace:*
-        version: link:../core
       ink:
         specifier: ^6.8.0
         version: 6.8.0(@types/react@19.2.14)(react@19.2.4)
-      ink-text-input:
-        specifier: ^6.0.0
-        version: 6.0.0(ink@6.8.0(@types/react@19.2.14)(react@19.2.4))(react@19.2.4)
       react:
         specifier: ^19.0.0
         version: 19.2.4
@@ -265,9 +259,18 @@ importers:
       '@types/react':
         specifier: ^19.0.0
         version: 19.2.14
+      '@vitest/coverage-v8':
+        specifier: ^3.1.0
+        version: 3.2.4(vitest@3.2.4(@types/debug@4.1.13)(@types/node@25.5.0)(jsdom@29.0.1)(tsx@4.21.0)(yaml@2.8.3))
+      tsx:
+        specifier: ^4.19.0
+        version: 4.21.0
       typescript:
         specifier: ^5.7.0
         version: 5.9.3
+      vitest:
+        specifier: ^3.1.0
+        version: 3.2.4(@types/debug@4.1.13)(@types/node@25.5.0)(jsdom@29.0.1)(tsx@4.21.0)(yaml@2.8.3)
 
 packages:
 
@@ -2578,13 +2581,6 @@ packages:
   inherits@2.0.4:
     resolution: {integrity: sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==}
 
-  ink-text-input@6.0.0:
-    resolution: {integrity: sha512-Fw64n7Yha5deb1rHY137zHTAbSTNelUKuB5Kkk2HACXEtwIHBCf9OH2tP/LQ9fRYTl1F0dZgbW0zPnZk6FA9Lw==}
-    engines: {node: '>=18'}
-    peerDependencies:
-      ink: '>=5'
-      react: '>=18'
-
   ink@6.8.0:
     resolution: {integrity: sha512-sbl1RdLOgkO9isK42WCZlJCFN9hb++sX9dsklOvfd1YQ3bQ2AiFu12Q6tFlr0HvEUvzraJntQCCpfEoUe9DSzA==}
     engines: {node: '>=20'}
@@ -3734,10 +3730,6 @@ packages:
     engines: {node: '>=18.0.0'}
     hasBin: true
 
-  type-fest@4.41.0:
-    resolution: {integrity: sha512-TeTSQ6H5YHvpqVwBRcnLDCBnDOHWYu7IvGbHT6N8AOymcr9PJGjc1GTtiWZTYg0NCgYwvnYWEkVChQAr9bjfwA==}
-    engines: {node: '>=16'}
-
   type-fest@5.5.0:
     resolution: {integrity: sha512-PlBfpQwiUvGViBNX84Yxwjsdhd1TUlXr6zjX7eoirtCPIr08NAmxwa+fcYBTeRQxHo9YC9wwF3m9i700sHma8g==}
     engines: {node: '>=20'}
@@ -6838,13 +6830,6 @@ snapshots:
 
   inherits@2.0.4: {}
 
-  ink-text-input@6.0.0(ink@6.8.0(@types/react@19.2.14)(react@19.2.4))(react@19.2.4):
-    dependencies:
-      chalk: 5.6.2
-      ink: 6.8.0(@types/react@19.2.14)(react@19.2.4)
-      react: 19.2.4
-      type-fest: 4.41.0
-
   ink@6.8.0(@types/react@19.2.14)(react@19.2.4):
     dependencies:
       '@alcalzone/ansi-tokenize': 0.2.5
@@ -8248,8 +8233,6 @@ snapshots:
     optionalDependencies:
       fsevents: 2.3.3
 
-  type-fest@4.41.0: {}
-
   type-fest@5.5.0:
     dependencies:
       tagged-tag: 1.0.0