From 35cd208c0ac483ad0dbbafedd845d8b62952abb1 Mon Sep 17 00:00:00 2001
From: Penguin <say8425@gmail.com>
Date: Fri, 29 May 2026 15:17:20 +0900
Subject: [PATCH 1/2] ci: cache bun install via shared cache + needs:install to
 pay install once

---
 .github/workflows/ci.yml | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1543142..d11baab 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,8 +11,29 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  install:
+    name: install
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Cache bun install
+        uses: actions/cache@v4
+        with:
+          path: ~/.bun/install/cache
+          key: bun-${{ runner.os }}-${{ hashFiles('bun.lock') }}
+
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+
   check:
     name: ${{ matrix.task.name }}
+    needs: install
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
@@ -31,6 +52,12 @@ jobs:
         with:
           bun-version: latest
 
+      - name: Restore bun install cache
+        uses: actions/cache@v4
+        with:
+          path: ~/.bun/install/cache
+          key: bun-${{ runner.os }}-${{ hashFiles('bun.lock') }}
+
       - name: Install dependencies
         run: bun install --frozen-lockfile
 

From b4cee5fada1a4d74230ac114b65f478c0e5a1fed Mon Sep 17 00:00:00 2001
From: Penguin <say8425@gmail.com>
Date: Fri, 29 May 2026 15:20:37 +0900
Subject: [PATCH 2/2] ci: bump actions/cache v4 -> v5

---
 .github/workflows/ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d11baab..4f240fc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
           bun-version: latest
 
       - name: Cache bun install
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.bun/install/cache
           key: bun-${{ runner.os }}-${{ hashFiles('bun.lock') }}
@@ -53,7 +53,7 @@ jobs:
           bun-version: latest
 
       - name: Restore bun install cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.bun/install/cache
           key: bun-${{ runner.os }}-${{ hashFiles('bun.lock') }}