docs: replace stale build.md references with refine.md

README.md

@@ -399,7 +399,7 @@ cli-anything/
 │   ├── repl_skin.py                      # Unified REPL interface
 │   ├── commands/                         # Plugin command definitions
 │   │   ├── cli-anything.md               # Main build command
-│   │   ├── build.md                      # Phase-by-phase control
+│   │   ├── refine.md                     # Expand existing harness coverage
 │   │   ├── test.md                       # Test runner
 │   │   └── validate.md                   # Standards validation
 │   └── scripts/

README_CN.md

@@ -402,7 +402,7 @@ cli-anything/
 │   ├── repl_skin.py                      # 统一 REPL 界面
 │   ├── commands/                         # 插件命令定义
 │   │   ├── cli-anything.md               # 主构建命令
-│   │   ├── build.md                      # 分阶段控制
+│   │   ├── build.md                      # 扩展已有 harness 覆盖面
 │   │   ├── test.md                       # 测试运行器
 │   │   └── validate.md                   # 标准验证
 │   └── scripts/

cli-anything-plugin/verify-plugin.sh

@@ -22,7 +22,7 @@ check_file "README.md"
 check_file "LICENSE"
 check_file "PUBLISHING.md"
 check_file "commands/cli-anything.md"
-check_file "commands/build.md"
+check_file "commands/refine.md"
 check_file "commands/test.md"
 check_file "commands/validate.md"
 check_file "scripts/setup-cli-anything.sh"