Improve release note generation in workflow

Enhances the release note generation step to compare commits between the previous and current tags, includes commit bodies and authors, and formats output for better readability. Also adds more robust extraction and output handling for the generated release notes.

.github/workflows/auto-release.yml

@@ -84,7 +84,7 @@ jobs:
           [ -d NapCat.Framework ] && zip -qr ../NapCat.Framework.zip -r NapCat.Framework
           [ -d NapCat.Shell ] && zip -qr ../NapCat.Shell.zip -r NapCat.Shell
           cd ..
-
+      
       - name: Generate release note via OpenRouter
         env:
           OPENROUTER_API_KEY: ${{ secrets.OPENROUTER_API_KEY }}
@@ -92,17 +92,32 @@ jobs:
           OPENROUTER_MODEL: ${{ env.OPENROUTER_MODEL }}
         run: |
           set -euo pipefail
-          TAG="${GITHUB_REF#refs/tags/}"
-          COMMITS=$(git log --pretty=format:'%h %s (%an)' -n 30)
+
+          # 当前 tag
+          CURRENT_TAG="${GITHUB_REF#refs/tags/}"
+
+          # 上一个 tag
+          PREV_TAG=$(git describe --tags --abbrev=0 "$CURRENT_TAG^")
+
+          echo "Generating release note from $PREV_TAG to $CURRENT_TAG"
+
+          # 获取 commit title + body + 作者，保留换行
+          COMMITS=$(git log --pretty=format:'%h %B (%an)' "$PREV_TAG".."$CURRENT_TAG" | sed 's/$/\\n/')
+
+          # 读取 prompt
           PROMPT_FILE=".github/prompt/release_note_prompt.txt"
           SYSTEM_PROMPT=$(<"$PROMPT_FILE")
-          USER_CONTENT="TAG: $TAG\n提交列表:\n$COMMITS"
 
+          # 构建用户内容
+          USER_CONTENT="TAG: $CURRENT_TAG\n提交列表:\n$COMMITS"
+
+          # 构建请求 JSON
           BODY=$(jq -n \
             --arg system "$SYSTEM_PROMPT" \
             --arg user "$USER_CONTENT" \
             '{model: env.OPENROUTER_MODEL, messages:[{role:"system", content:$system},{role:"user", content:$user}], temperature:0.2, max_tokens:800}')
 
+          # 调用 OpenRouter
           RESPONSE=$(curl -s -X POST "$OPENROUTER_API_URL" \
             -H "Authorization: Bearer $OPENROUTER_API_KEY" \
             -H "Content-Type: application/json" \
@@ -111,6 +126,7 @@ jobs:
           echo "=== OpenRouter raw response ==="
           echo "$RESPONSE" | jq .
 
+          # 提取生成内容
           RELEASE_BODY=$(echo "$RESPONSE" | jq -r '.choices[0].message.content // .choices[0].text // ""')
 
           if [ -z "$RELEASE_BODY" ]; then
@@ -118,7 +134,8 @@ jobs:
             exit 1
           fi
 
-          echo "$RELEASE_BODY" > CHANGELOG.md
+          # 输出到 CHANGELOG.md
+          echo -e "$RELEASE_BODY" > CHANGELOG.md
           echo "=== generated release note ==="
           cat CHANGELOG.md