From 060fd319153bd68da398a38e0c9dd929431977ae Mon Sep 17 00:00:00 2001
From: Amanda-dong <159391549+Amanda-dong@users.noreply.github.com>
Date: Thu, 9 Jul 2026 22:57:52 +0800
Subject: [PATCH] Harper

---
 .github/workflows/docs-quality.yml | 64 ++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 .github/workflows/docs-quality.yml

diff --git a/.github/workflows/docs-quality.yml b/.github/workflows/docs-quality.yml
new file mode 100644
index 0000000000..e14581ab06
--- /dev/null
+++ b/.github/workflows/docs-quality.yml
@@ -0,0 +1,64 @@
+name: Docs Quality
+
+on:
+  pull_request:
+    paths:
+      - "docs/**/*.md"
+      - "_typos.toml"
+      - ".github/workflows/docs-quality.yml"
+  push:
+    branches: [main]
+  workflow_dispatch: {}   # lets you run it manually from the Actions tab
+
+permissions:
+  contents: read
+
+jobs:
+  # ── Spelling ────────────────────────────────────────────────
+  # typos-cli reads _typos.toml at the repo root automatically.
+  # This is the ONLY spelling dictionary we maintain.
+  typos:
+    name: Spelling (typos-cli)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run typos
+        uses: crate-ci/typos@master   # consider pinning to a tag, e.g. @v1.29.0
+
+  # ── Grammar / style + heading title-case ────────────────────
+  # Harper with SpellCheck disabled (typos-cli owns spelling).
+  # UseTitleCase is on by default in harper-cli.
+  harper:
+    name: Grammar & headings (Harper)
+    runs-on: ubuntu-latest
+    # Report-only for now: the first run will flag every historical
+    # non-title-case heading, and we don't want that blocking PRs yet.
+    # Once the docs are cleaned up, remove this line to make it a gate.
+    continue-on-error: true
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Cache cargo build
+        uses: Swatinem/rust-cache@v2
+
+      - name: Install harper-cli
+        # Experimental CLI, source-installed. First build is slow (~5-10 min);
+        # the cache above makes subsequent runs fast.
+        run: cargo install --locked --git https://github.com/Automattic/harper.git harper-cli
+
+      - name: Lint docs with Harper (spellcheck off)
+        run: |
+          set -uo pipefail
+          status=0
+          # harper-cli lint takes one file at a time, so loop over docs/**/*.md
+          while IFS= read -r -d '' file; do
+            echo "::group::$file"
+            if ! harper-cli lint --ignore SpellCheck "$file"; then
+              status=1
+            fi
+            echo "::endgroup::"
+          done < <(find docs -name '*.md' -print0)
+          exit $status