chore: nightly full e2e and size limit tests

.github/workflows/nightly.yml

@@ -0,0 +1,49 @@
+name: Nightly E2E
+
+# The full cross-browser e2e matrix (Chromium + Firefox + WebKit) is heavy to
+# set up (browser downloads + system deps), so it runs once a day instead of on
+# every push/PR. Push/PR CI keeps a fast Chromium-only e2e gate (test.yml).
+on:
+  schedule:
+    # 06:00 UTC daily
+    - cron: '0 6 * * *'
+  workflow_dispatch: # allow manual runs from the Actions tab
+
+permissions:
+  contents: read
+
+jobs:
+  e2e-all:
+    name: E2E (Chromium + Firefox + WebKit)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 11
+      - uses: actions/setup-node@v6
+        with:
+          node-version-file: .nvmrc
+          cache: pnpm
+      - run: pnpm install --frozen-lockfile
+      # Firefox/WebKit need system deps that `--with-deps` installs via apt.
+      - name: Install Playwright browsers
+        run: pnpm exec playwright install --with-deps chromium firefox webkit
+      - run: pnpm test:e2e:all
+
+  size:
+    name: Size limit
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 11
+      - uses: actions/setup-node@v6
+        with:
+          node-version-file: .nvmrc
+          cache: pnpm
+      - run: pnpm install --frozen-lockfile
+      # `pnpm size-limit` builds `dist/` (tsc + esbuild) and checks each entry
+      # against the byte budgets declared in package.json `size-limit`.
+      - run: pnpm size-limit

.github/workflows/test.yml

@@ -16,7 +16,7 @@ permissions:
 
 jobs:
   unit:
-    name: Unit (happy-dom)
+    name: Unit
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
@@ -31,7 +31,7 @@ jobs:
       - run: pnpm test
 
   e2e:
-    name: E2E (Chromium + Firefox + WebKit)
+    name: E2E
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
@@ -43,25 +43,8 @@ jobs:
           node-version-file: .nvmrc
           cache: pnpm
       - run: pnpm install --frozen-lockfile
-      # Downloads the browser binaries and their OS libraries (Firefox/WebKit
-      # need system deps that `--with-deps` installs via apt on the runner).
-      - name: Install Playwright browsers
-        run: pnpm exec playwright install --with-deps chromium firefox webkit
-      - run: pnpm test:e2e:all
-
-  size:
-    name: Size limit
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v6
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 11
-      - uses: actions/setup-node@v6
-        with:
-          node-version-file: .nvmrc
-          cache: pnpm
-      - run: pnpm install --frozen-lockfile
-      # `pnpm size-limit` builds `dist/` (tsc + esbuild) and checks each entry
-      # against the byte budgets declared in package.json `size-limit`.
-      - run: pnpm size-limit
+      # Chromium only on push/PR — the full Firefox/WebKit matrix runs nightly
+      # (.github/workflows/nightly.yml).
+      - name: Install Playwright Chromium
+        run: pnpm exec playwright install --with-deps chromium
+      - run: pnpm test:e2e

.husky/pre-commit

@@ -1,5 +1,8 @@
-# Lean: lint + format staged files, then the fast unit suite.
-# Heavier checks (browser e2e, size-limit) run on pre-push; the full
-# cross-browser matrix runs in CI.
+# Everything runs at commit time. This repo auto-pushes to multiple remotes
+# (github, forgejo, sourcehut — see post-commit), so a pre-push hook would
+# re-run these once per remote; keeping them here runs them once per commit.
+# The full cross-browser e2e matrix still runs nightly in CI. Order: cheap → expensive.
 pnpm exec lint-staged
 pnpm test
+pnpm test:e2e
+pnpm size-limit

.husky/pre-push

@@ -1,4 +0,0 @@
-# Heavier gate before code leaves the machine: browser e2e (Chromium only —
-# Firefox/WebKit + their system deps are exercised in CI) and the size budget.
-pnpm test:e2e
-pnpm size-limit

test/e2e/README.md

@@ -18,12 +18,24 @@ pnpm test:e2e:webkit    # WebKit (the engine behind Safari)
 pnpm test:e2e:all       # Chromium + Firefox + WebKit
 
 pnpm test               # fast unit suite (happy-dom), unchanged
-pnpm test:all           # unit + default e2e
+pnpm test:all           # unit + full e2e (all 3 engines)
 ```
 
 `pnpm test:e2e` stays on Chromium so it works everywhere with minimal setup; use
-`test:e2e:all` (or a CI matrix) for the full cross-browser run. Each script just
-sets the `E2E_BROWSERS` env var (comma-separated), which the config reads.
+`test:e2e:all` for the full cross-browser run. Each script just sets the
+`E2E_BROWSERS` env var (comma-separated), which the config reads.
+
+### Where each runs
+
+| Stage                         | e2e scope                     |
+| ----------------------------- | ----------------------------- |
+| pre-commit                    | none (unit only)              |
+| pre-push                      | `test:e2e` (Chromium)         |
+| CI on push to `main` / PRs    | `test:e2e` (Chromium)         |
+| CI nightly (`nightly.yml`)    | `test:e2e:all` (all 3 engines) |
+
+The full Firefox/WebKit matrix is heavy to provision, so it runs once a day
+(and on-demand via **workflow_dispatch**) rather than on every push/PR.
 
 Config lives in `vitest.e2e.config.mjs` (Vitest browser mode + the
 `@vitest/browser-playwright` provider), kept separate from `vitest.config.mjs`
@@ -38,8 +50,8 @@ npx playwright install-deps                       # Linux only: system libraries
 
 Firefox and especially WebKit need extra OS libraries on Linux (`libwoff1`,
 etc.); `playwright install-deps` requires root. Without them those engines fail
-to launch — which is why the default target is Chromium and CI installs the deps
-before running `test:e2e:all`.
+to launch — which is why the default target is Chromium, and only the nightly
+workflow installs the deps before running `test:e2e:all`.
 
 ## Coverage