From e1f7ee8f6e9e1abe2c09717c2e879bdb1a9d3075 Mon Sep 17 00:00:00 2001
From: Alex Yates <43525405+yatesjalex@users.noreply.github.com>
Date: Wed, 22 Apr 2026 22:04:19 -0700
Subject: [PATCH] Split CI into four parallel jobs for faster feedback

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 .github/workflows/ci.yml | 97 +++++++++++++++++++++++++++++++++-------
 1 file changed, 81 insertions(+), 16 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f0389fd..2fde0d4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,54 +9,119 @@ concurrency:
   group: ci-${{ github.ref }}
   cancel-in-progress: true
 
+defaults:
+  run:
+    shell: bash
+
+# Shared setup steps are duplicated across jobs intentionally — GitHub Actions
+# has no native "shared setup" primitive, and the pnpm cache makes installs fast.
+
 jobs:
-  check:
-    name: typecheck / test / build / playwright
+  typecheck:
+    name: typecheck
     runs-on: ubuntu-latest
-    timeout-minutes: 15
-    env:
-      ANTHROPIC_API_KEY: ''
-
+    timeout-minutes: 10
     steps:
       - uses: actions/checkout@v4
-
       - uses: actions/setup-node@v4
         with:
           node-version: 20
-
       - name: Enable pnpm via corepack
         run: corepack enable
-
       - name: Resolve pnpm store path
         id: pnpm-store
         run: echo "path=$(pnpm store path --silent)" >> "$GITHUB_OUTPUT"
-
       - name: Cache pnpm store
         uses: actions/cache@v4
         with:
           path: ${{ steps.pnpm-store.outputs.path }}
           key: ${{ runner.os }}-pnpm-${{ hashFiles('pnpm-lock.yaml') }}
-          restore-keys: |
-            ${{ runner.os }}-pnpm-
-
+          restore-keys: ${{ runner.os }}-pnpm-
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
-
       - name: Typecheck
         run: pnpm typecheck
 
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - name: Enable pnpm via corepack
+        run: corepack enable
+      - name: Resolve pnpm store path
+        id: pnpm-store
+        run: echo "path=$(pnpm store path --silent)" >> "$GITHUB_OUTPUT"
+      - name: Cache pnpm store
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.pnpm-store.outputs.path }}
+          key: ${{ runner.os }}-pnpm-${{ hashFiles('pnpm-lock.yaml') }}
+          restore-keys: ${{ runner.os }}-pnpm-
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
       - name: Unit tests
         run: pnpm test
 
+  build:
+    name: build
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    env:
+      ANTHROPIC_API_KEY: ''
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - name: Enable pnpm via corepack
+        run: corepack enable
+      - name: Resolve pnpm store path
+        id: pnpm-store
+        run: echo "path=$(pnpm store path --silent)" >> "$GITHUB_OUTPUT"
+      - name: Cache pnpm store
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.pnpm-store.outputs.path }}
+          key: ${{ runner.os }}-pnpm-${{ hashFiles('pnpm-lock.yaml') }}
+          restore-keys: ${{ runner.os }}-pnpm-
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
       - name: Build
         run: pnpm build
 
+  playwright:
+    name: playwright
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    env:
+      ANTHROPIC_API_KEY: ''
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - name: Enable pnpm via corepack
+        run: corepack enable
+      - name: Resolve pnpm store path
+        id: pnpm-store
+        run: echo "path=$(pnpm store path --silent)" >> "$GITHUB_OUTPUT"
+      - name: Cache pnpm store
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.pnpm-store.outputs.path }}
+          key: ${{ runner.os }}-pnpm-${{ hashFiles('pnpm-lock.yaml') }}
+          restore-keys: ${{ runner.os }}-pnpm-
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
       - name: Install Playwright browsers
         run: pnpm exec playwright install --with-deps chromium
-
       - name: Playwright tests
         run: pnpm exec playwright test
-
       - name: Upload Playwright traces on failure
         if: failure()
         uses: actions/upload-artifact@v4