chore(agent): configure AI agents and tools

Add configuration for BMad, Claude, OpenCode, and other AI agent tools and workflows.

.agent/skills/turborepo/references/ci/github-actions.md

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+# GitHub Actions
+
+Complete setup guide for Turborepo with GitHub Actions.
+
+## Basic Workflow Structure
+
+```yaml
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build and Test
+        run: turbo run build test lint
+```
+
+## Package Manager Setup
+
+### pnpm
+
+```yaml
+- uses: pnpm/action-setup@v3
+  with:
+    version: 9
+
+- uses: actions/setup-node@v4
+  with:
+    node-version: 20
+    cache: 'pnpm'
+
+- run: pnpm install --frozen-lockfile
+```
+
+### Yarn
+
+```yaml
+- uses: actions/setup-node@v4
+  with:
+    node-version: 20
+    cache: 'yarn'
+
+- run: yarn install --frozen-lockfile
+```
+
+### Bun
+
+```yaml
+- uses: oven-sh/setup-bun@v1
+  with:
+    bun-version: latest
+
+- run: bun install --frozen-lockfile
+```
+
+## Remote Cache Setup
+
+### 1. Create Vercel Access Token
+
+1. Go to [Vercel Dashboard](https://vercel.com/account/tokens)
+2. Create a new token with appropriate scope
+3. Copy the token value
+
+### 2. Add Secrets and Variables
+
+In your GitHub repository settings:
+
+**Secrets** (Settings > Secrets and variables > Actions > Secrets):
+
+- `TURBO_TOKEN`: Your Vercel access token
+
+**Variables** (Settings > Secrets and variables > Actions > Variables):
+
+- `TURBO_TEAM`: Your Vercel team slug
+
+### 3. Add to Workflow
+
+```yaml
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    env:
+      TURBO_TOKEN: ${{ secrets.TURBO_TOKEN }}
+      TURBO_TEAM: ${{ vars.TURBO_TEAM }}
+```
+
+## Alternative: actions/cache
+
+If you can't use remote cache, cache Turborepo's local cache directory:
+
+```yaml
+- uses: actions/cache@v4
+  with:
+    path: .turbo
+    key: turbo-${{ runner.os }}-${{ hashFiles('**/turbo.json', '**/package-lock.json') }}
+    restore-keys: |
+      turbo-${{ runner.os }}-
+```
+
+Note: This is less effective than remote cache since it's per-branch.
+
+## Complete Example
+
+```yaml
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    env:
+      TURBO_TOKEN: ${{ secrets.TURBO_TOKEN }}
+      TURBO_TEAM: ${{ vars.TURBO_TEAM }}
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+
+      - uses: pnpm/action-setup@v3
+        with:
+          version: 9
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: 'pnpm'
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build
+        run: turbo run build --affected
+
+      - name: Test
+        run: turbo run test --affected
+
+      - name: Lint
+        run: turbo run lint --affected
+```