test: 新增 8 个测试文件 63 用例 + 覆盖率设施，行覆盖 42.58%→48.24%

- 新增 jsp-extractor/report/method-extractor/fix-prompt/registry/provider-chat/import-service/yaml-parser 测试
- .vscode-test.mjs 加 srcDir+coverage，package.json 加 test:coverage，产出 tests/coverage/（html）
- 修复 method-extractor java fallback 取错捕获组、mockDocument.getText 忽略 range
- 更新 tests/test-cases.md（24 文件 179 条）与 test-execution-log.md（覆盖率记录）

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "vscode-code-reviewer",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "vscode-code-reviewer",
-      "version": "1.2.0",
+      "version": "1.3.0",
       "dependencies": {
         "@eslint/js": "^9.39.3",
         "eslint": "^9.39.3",