From 58c2bf26c276b716b8074cfe5d5afa0036627274 Mon Sep 17 00:00:00 2001
From: Masanori Suda <masanori.sudas@gmail.com>
Date: Mon, 9 Mar 2026 22:25:06 +0900
Subject: [PATCH 1/2] feat(ci): add backend codecov workflow

Refs #277

Instruction by: @MasanoriSuda

Generated by: Codex
---
 .github/workflows/backend-coverage.yml | 66 ++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 .github/workflows/backend-coverage.yml

diff --git a/.github/workflows/backend-coverage.yml b/.github/workflows/backend-coverage.yml
new file mode 100644
index 0000000..7505fc8
--- /dev/null
+++ b/.github/workflows/backend-coverage.yml
@@ -0,0 +1,66 @@
+name: Backend Coverage
+
+on:
+  push:
+    branches:
+      - main
+      - develop
+      - feature/**
+    paths:
+      - .github/workflows/backend-coverage.yml
+      - virtual-voicebot-backend/**
+  pull_request:
+    paths:
+      - .github/workflows/backend-coverage.yml
+      - virtual-voicebot-backend/**
+
+jobs:
+  backend-coverage:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    defaults:
+      run:
+        working-directory: virtual-voicebot-backend
+    env:
+      CARGO_TERM_COLOR: always
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: llvm-tools-preview
+
+      - name: Cache Cargo registry + target
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            virtual-voicebot-backend/target
+          key: ${{ runner.os }}-cargo-coverage-${{ hashFiles('virtual-voicebot-backend/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-coverage-
+            ${{ runner.os }}-cargo-
+
+      - name: Show Rust version
+        run: rustc -V && cargo -V
+
+      - name: Install cargo-llvm-cov
+        uses: taiki-e/install-action@cargo-llvm-cov
+
+      - name: Generate backend coverage
+        run: cargo llvm-cov --workspace --all-features --lcov --output-path lcov.info
+
+      - name: Upload coverage to Codecov
+        if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository)
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: ./virtual-voicebot-backend/lcov.info
+          flags: backend
+          name: backend-rust-coverage
+          fail_ci_if_error: true

From 641190945d6bb923521de573d5f6acc011187ee3 Mon Sep 17 00:00:00 2001
From: Masanori Suda <masanori.sudas@gmail.com>
Date: Mon, 9 Mar 2026 22:41:29 +0900
Subject: [PATCH 2/2] =?UTF-8?q?#277=20coderabbit=E6=8C=87=E6=91=98?=
 =?UTF-8?q?=E5=AF=BE=E5=BF=9C?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .github/workflows/backend-coverage.yml | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/backend-coverage.yml b/.github/workflows/backend-coverage.yml
index 7505fc8..12a47ab 100644
--- a/.github/workflows/backend-coverage.yml
+++ b/.github/workflows/backend-coverage.yml
@@ -5,7 +5,6 @@ on:
     branches:
       - main
       - develop
-      - feature/**
     paths:
       - .github/workflows/backend-coverage.yml
       - virtual-voicebot-backend/**
@@ -27,15 +26,15 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
 
       - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@631a55b12751854ce901bb631d5902ceb48146f7
         with:
           components: llvm-tools-preview
 
       - name: Cache Cargo registry + target
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830
         with:
           path: |
             ~/.cargo/registry
@@ -50,14 +49,14 @@ jobs:
         run: rustc -V && cargo -V
 
       - name: Install cargo-llvm-cov
-        uses: taiki-e/install-action@cargo-llvm-cov
+        uses: taiki-e/install-action@03e268b84870ac3cfa58a44d9b504511b732a857
 
       - name: Generate backend coverage
         run: cargo llvm-cov --workspace --all-features --lcov --output-path lcov.info
 
       - name: Upload coverage to Codecov
         if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository)
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@671740ac38dd9b0130fbe1cec585b89eea48d3de
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ./virtual-voicebot-backend/lcov.info