feat: 添加Codecov覆盖率报告集成

- 更新GitHub Actions工作流支持MoonBit覆盖率
- 添加codecov.yml配置文件
- 更新README中的Codecov徽章链接

Author: conisng

.github/workflows/ci.yml

@@ -26,16 +26,15 @@ jobs:
     
     - name: Generate Coverage Report
       run: |
-        # 这里需要根据 MoonBit 的覆盖率工具来配置
-        # 目前使用模拟的覆盖率数据
-        mkdir -p coverage
-        echo '{"coverage": 100, "files": ["src/reactivex.mbt"]}' > coverage/coverage.json
+        # 运行MoonBit测试并生成覆盖率
+        moon test --coverage
+        moon coverage bisect.coverage --format=lcov > coverage.lcov
     
     - name: Upload Coverage to Codecov
       uses: codecov/codecov-action@v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
-        file: ./coverage/coverage.json
+        file: ./coverage.lcov
         flags: unittests
         name: codecov-umbrella
         fail_ci_if_error: false

README.md

@@ -1,5 +1,6 @@
 # ReactiveX for MoonBit
 
+[![codecov](https://codecov.io/gh/CGaaaaaa/ReactiveX/branch/main/graph/badge.svg)](https://codecov.io/gh/CGaaaaaa/ReactiveX)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![Tests Passing](https://img.shields.io/badge/Tests-Passing-brightgreen.svg)](src/test.mbt)
 

README_zh_CN.md

@@ -1,5 +1,6 @@
 # ReactiveX for MoonBit
 
+[![codecov](https://codecov.io/gh/CGaaaaaa/ReactiveX/branch/main/graph/badge.svg)](https://codecov.io/gh/CGaaaaaa/ReactiveX)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![Tests Passing](https://img.shields.io/badge/Tests-Passing-brightgreen.svg)](src/test.mbt)
 

codecov.yml

@@ -0,0 +1,33 @@
+coverage:
+  status:
+    project:
+      default:
+        target: auto
+        threshold: 1%
+        informational: true
+    patch:
+      default:
+        target: auto
+        threshold: 1%
+        informational: true
+
+comment:
+  layout: "header,diff,flags,files,footer"
+  behavior: default
+  require_changes: false
+  require_base: no
+  require_head: yes
+
+parsers:
+  lcov:
+    branch_detection:
+      conditional: yes
+      loop: yes
+      method: no
+      macro: no
+
+ignore:
+  - "node_modules"
+  - "target"
+  - "_coverage"
+  - "**/*.json"