Add CI workflow, remove welcome screen, fix cache dir creation

- GitHub Actions CI: build + type check + snapshot on Ubuntu, macOS,
  Windows with Node 18/20/22
- Remove welcome screen — go straight to dashboard on first run
- Fix update-check cache: create config dir if needed (ensures 24h
  cache works on fresh installs)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: RyanSeanPhillips

.github/workflows/ci.yml

@@ -0,0 +1,51 @@
+name: CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  build-and-test:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        node: [18, 20, 22]
+      fail-fast: false
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node }}
+
+      - name: Install dependencies
+        working-directory: packages/cli
+        run: npm ci
+
+      - name: Type check
+        working-directory: packages/cli
+        run: npx tsc --noEmit
+
+      - name: Build
+        working-directory: packages/cli
+        run: npx tsup
+
+      - name: Version check
+        working-directory: packages/cli
+        run: node dist/index.js --version
+
+      - name: Demo snapshot renders
+        working-directory: packages/cli
+        run: node dist/index.js --demo --snapshot
+        env:
+          COLUMNS: '120'
+          LINES: '38'
+
+      - name: CLI list command
+        working-directory: packages/cli
+        run: node dist/index.js list --json

packages/cli/src/core/update-check.ts

@@ -32,7 +32,9 @@ function readCache(): UpdateCache | null {
 
 function writeCache(latestVersion: string): void {
   try {
-    fs.writeFileSync(getCachePath(), JSON.stringify({ latestVersion, checkedAt: Date.now() }));
+    const cachePath = getCachePath();
+    fs.mkdirSync(path.dirname(cachePath), { recursive: true });
+    fs.writeFileSync(cachePath, JSON.stringify({ latestVersion, checkedAt: Date.now() }));
   } catch { /* ignore */ }
 }
 

packages/cli/src/tui/hooks/useAppState.ts

@@ -297,7 +297,7 @@ function initState(): AppState {
       projects,
       selectedIndex: 0,
       focusPane: 'projects',
-      mode: demoIsNewUser() || projects.length === 0 ? 'welcome' : 'normal',
+      mode: 'normal',
       filterText: '',
       promptText: '',
       scrollOffset: 0,
@@ -324,7 +324,7 @@ function initState(): AppState {
     projects: initialProjects,
     selectedIndex: 0,
     focusPane: 'projects',
-    mode: isNew && initialProjects.length === 0 ? 'welcome' : 'normal',
+    mode: 'normal',
     filterText: '',
     promptText: '',
     scrollOffset: 0,