diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bb81c9bc..c29f743f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,76 +1,14 @@
-name: CI
-
-on:
-  push:
-    branches: [master, main]
-    tags: ["v*"]
-  pull_request:
-    branches: [master, main]
-  workflow_dispatch:
-
+name: ci
+on: [push, pull_request, repository_dispatch]
 jobs:
-  # ── 编译 + 静态检查 ──────────────────────────────────────────────────────
   build:
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
-        with:
-          go-version: "1.24"
-      - run: go mod tidy
-      - run: go build ./...
-
-  # ── tutorial 集成测试（需要 Redis）────────────────────────────────────────
-  tutorial-test:
-    runs-on: ubuntu-latest
-    services:
-      redis:
-        image: redis:7-alpine
-        ports:
-          - 6379:6379
-        options: >-
-          --health-cmd "redis-cli ping"
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
-        with:
-          go-version: "1.24"
-      - run: go mod tidy
-      - run: go build -o kvlang ./cmd/kvlang/
-      - run: go install github.com/array2d/kvspace-go/cmd/kvspace@latest
-      - run: python3 -m unittest tutorial.test.BenchmarkTest
-      - run: python3 tutorial/test.py
-
-  # ── 多平台交叉编译（仅 tag 时生成 release 产物）─────────────────────────
-  release:
-    if: startsWith(github.ref, 'refs/tags/v')
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
-        with:
-          go-version: "1.24"
-
-      - name: Cross-compile
-        run: |
-          go mod tidy
-          mkdir -p dist
-          for GOOS in linux darwin; do
-            for GOARCH in amd64 arm64; do
-              echo "Building $GOOS/$GOARCH..."
-              GOOS=$GOOS GOARCH=$GOARCH go build -ldflags="-s -w" -o dist/kvlang-$GOOS-$GOARCH ./cmd/kvlang/
-            done
-          done
-          ls -lh dist/
-
-      - name: Create Release
-        uses: softprops/action-gh-release@v2
-        with:
-          files: dist/*
-          generate_release_notes: true
+      - name: 下载 ABI 依赖
+        env: { GH_TOKEN: "${{ secrets.GITHUB_TOKEN }}" }
+        run: ./ci/deps.sh
+      - name: 构建
+        run: make runtime layout
+      - name: 测试
+        run: python3 tutorial/test.py
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 00000000..742adcf0
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,30 @@
+name: release-abi
+on:
+  push:
+    tags: ['v*']
+permissions:
+  contents: write
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: 下载 ABI 依赖
+        env: { GH_TOKEN: "${{ secrets.GITHUB_TOKEN }}" }
+        run: ./ci/deps.sh
+      - name: 构建 runtime + layout
+        run: make runtime layout
+      - name: 打包 ABI 产物
+        run: |
+          set -euo pipefail
+          v="${GITHUB_REF_NAME}"
+          d="kvlang-abi-$v-linux-x86_64"
+          mkdir -p "$d/include" "$d/lib"
+          cp runtime/include/*.h "$d/include/"
+          cp bin/libkvlang_runtime.so "$d/lib/"
+          cp layout/target/release/libkvlang_layout.so "$d/lib/"
+          printf '{"abi":"%s"}\n' "$v" > "$d/abi-manifest.json"
+          tar czf "$d.tar.gz" "$d"
+          sha256sum "$d.tar.gz" > SHA256SUMS
+      - name: 发布 release
+        run: gh release create "${GITHUB_REF_NAME}" kvlang-abi-*.tar.gz SHA256SUMS --generate-notes
diff --git a/ci/deps.sh b/ci/deps.sh
new file mode 100755
index 00000000..e3a8ff0d
--- /dev/null
+++ b/ci/deps.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# 下载 ABI 依赖（deps.json: repo → tag）到 libso/。本地与 CI 共用。
+# 需 gh 已登录；CI 中 GH_TOKEN 自动可用。
+set -euo pipefail
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+mkdir -p "$ROOT/libso"
+for repo in $(jq -r 'keys[]' "$ROOT/deps.json"); do
+  ver=$(jq -r ".\"$repo\"" "$ROOT/deps.json")
+  tmp="$(mktemp -d)"
+  gh release download "$ver" -R "array2d/$repo" -p "${repo}-abi-*-linux-x86_64.tar.gz" -D "$tmp"
+  tar xzf "$tmp"/*.tar.gz -C "$ROOT/libso"
+  rm -rf "$tmp"
+done
+echo "✅ ABI deps → libso/: $(ls "$ROOT/libso" 2>/dev/null | tr '\n' ' ')"
diff --git a/deps.json b/deps.json
new file mode 100644
index 00000000..425172e2
--- /dev/null
+++ b/deps.json
@@ -0,0 +1,4 @@
+{
+  "kvspace-c": "v0.2.0",
+  "kvspace-durable": "v0.2.0"
+}