From 0d8fe24a8cba93dcd9e9f49b84f0f58e4ad21935 Mon Sep 17 00:00:00 2001
From: xtqqczze <45661989+xtqqczze@users.noreply.github.com>
Date: Wed, 23 Sep 2026 19:23:20 +0100
Subject: [PATCH 1/4] ci: refactor MSRV job to avoid unnecessary matrix build

---
 .github/workflows/ci.yml | 41 ++++++++++++++++++----------------------
 1 file changed, 18 insertions(+), 23 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d55fb01e..d4532544 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,33 +5,28 @@ on:
   pull_request:
 
 jobs:
-  build-msrv:
-    name: Build on MSRV (1.71)
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - os: ubuntu-latest
-            target: x86_64-unknown-linux-gnu
-            rust: 1.71.0
-          - os: windows-latest
-            target: i686-pc-windows-msvc
-            rust: 1.71.0
-    runs-on: ${{ matrix.os }}
+  msrv:
+    name: MSRV
+    runs-on: ubuntu-latest
+    env:
+      TARGETS: |
+        x86_64-unknown-linux-gnu
+        i686-pc-windows-gnu
     steps:
-      - name: Install rust
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: ${{ matrix.rust }}
-          target: ${{ matrix.target }}
-          override: true
       - name: Checkout
         uses: actions/checkout@v7
+      - uses: taiki-e/install-action@v2.87.11
+        with:
+          tool: |
+            cargo-hack
+          fallback: none
       - name: Check
-        env:
-          CARGO_BUILD_TARGET: ${{ matrix.target }}
-        run: make check
+        run: |
+          cargo hack check \
+            --lib \
+            --all-features \
+            --rust-version \
+            $(printf '%s\n' "$TARGETS" | xargs -n1 printf -- '--target %s ')
 
   test:
     name: Tests

From e600ea7e793106e7f9c372714c0695ff4c3344d0 Mon Sep 17 00:00:00 2001
From: xtqqczze <45661989+xtqqczze@users.noreply.github.com>
Date: Wed, 23 Sep 2026 19:26:24 +0100
Subject: [PATCH 2/4] ci: use minimal versions in MSRV job

---
 .github/workflows/ci.yml | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d4532544..defc1e60 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,12 +19,14 @@ jobs:
         with:
           tool: |
             cargo-hack
+            cargo-minimal-versions
           fallback: none
       - name: Check
         run: |
-          cargo hack check \
-            --lib \
-            --all-features \
+          cargo minimal-versions check \
+            --workspace \
+            --feature-powerset \
+            --ignore-private \
             --rust-version \
             $(printf '%s\n' "$TARGETS" | xargs -n1 printf -- '--target %s ')
 

From e3f89ec6ef7cf9e7bcdf94268f80c1839964eaf8 Mon Sep 17 00:00:00 2001
From: xtqqczze <45661989+xtqqczze@users.noreply.github.com>
Date: Wed, 23 Sep 2026 19:27:04 +0100
Subject: [PATCH 3/4] ci: check all Tier 1 targets in MSRV job

---
 .github/workflows/ci.yml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index defc1e60..6f0cad9e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,9 +9,16 @@ jobs:
     name: MSRV
     runs-on: ubuntu-latest
     env:
+      # Matches Tier 1 job targets
       TARGETS: |
+        aarch64-unknown-linux-gnu
+        i686-unknown-linux-gnu
         x86_64-unknown-linux-gnu
         i686-pc-windows-gnu
+        i686-pc-windows-msvc
+        x86_64-pc-windows-gnu
+        x86_64-pc-windows-msvc
+        x86_64-apple-darwin
     steps:
       - name: Checkout
         uses: actions/checkout@v7

From 6a4a2680f8ffc12f111703395cf89758b77971d6 Mon Sep 17 00:00:00 2001
From: xtqqczze <45661989+xtqqczze@users.noreply.github.com>
Date: Wed, 23 Sep 2026 20:30:19 +0100
Subject: [PATCH 4/4] ci: remove redundant minimal version resolution job

---
 .github/workflows/minver.yml | 24 ------------------------
 1 file changed, 24 deletions(-)
 delete mode 100644 .github/workflows/minver.yml

diff --git a/.github/workflows/minver.yml b/.github/workflows/minver.yml
deleted file mode 100644
index 48cbb391..00000000
--- a/.github/workflows/minver.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-name: Check minimal version resolution
-
-on:
-  push:
-    branches: ['main']
-  pull_request:
-
-jobs:
-  check-minver:
-    name: Test with minimal version resolution
-    runs-on: ubuntu-latest
-    continue-on-error: true
-
-    steps:
-      - uses: actions/checkout@v7
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: nightly
-          profile: minimal
-          override: true
-      - uses: taiki-e/install-action@cargo-hack
-      - uses: taiki-e/install-action@cargo-minimal-versions
-      - name: Test
-        run: make check-minver