feat: letta code

.github/workflows/ci.yml

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+name: CI
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.runner }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: macOS arm64 (macos-14)
+            runner: macos-14
+          - name: macOS x64 (macos-13)
+            runner: macos-13
+          - name: Linux x64 (ubuntu-24.04)
+            runner: ubuntu-24.04
+          - name: Linux arm64 (ubuntu-24.04-arm)
+            runner: ubuntu-24.04-arm
+          - name: Windows x64 (windows-latest)
+            runner: windows-latest
+    defaults:
+      run:
+        shell: bash
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v1
+        with:
+          bun-version: 1.3.0
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Lint
+        run: bun run lint
+
+      - name: Build binary
+        run: bun run build
+
+      - name: CLI help smoke test
+        run: ./bin/letta --help
+
+      - name: CLI version smoke test
+        run: ./bin/letta --version || true
+
+      - name: Headless smoke test (API)
+        if: ${{ github.event_name == 'push' }}
+        env:
+          LETTA_API_KEY: ${{ secrets.LETTA_API_KEY }}
+        run: ./bin/letta --prompt "ping" --tools "" --permission-mode plan
+
+      - name: Publish dry-run
+        if: ${{ github.event_name == 'push' }}
+        env:
+          NPM_CONFIG_TOKEN: ${{ secrets.NPM_TOKEN }}
+          LETTA_API_KEY: dummy
+        run: bun publish --dry-run
+
+      - name: Pack (no auth available)
+        if: ${{ github.event_name != 'push' }}
+        run: bun pm pack

.github/workflows/release.yml

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+name: Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: "Optional tag (e.g. v0.1.2). Leave blank when running from a tag push."
+        required: false
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    environment: npm-publish
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v1
+        with:
+          bun-version: 1.3.0
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Verify tag matches package version
+        if: startsWith(github.ref, 'refs/tags/')
+        run: |
+          PKG_VERSION=$(jq -r '.version' package.json)
+          TAG_VERSION=${GITHUB_REF#refs/tags/}
+          if [ "v${PKG_VERSION}" != "${TAG_VERSION}" ]; then
+            echo "Tag (${TAG_VERSION}) does not match package.json version (v${PKG_VERSION})."
+            exit 1
+          fi
+
+      - name: Build binary
+        run: bun run build
+
+      - name: Integration smoke test (real API)
+        env:
+          LETTA_API_KEY: ${{ secrets.LETTA_API_KEY }}
+        run: ./bin/letta --prompt "ping" --tools "" --permission-mode plan
+
+      - name: Publish to npm
+        env:
+          NPM_CONFIG_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: bun publish --access public --no-git-checks