tweak: set tsBuildInfoFile to dist/ to fix stale incremental cache blocking dev

apps/server/tsconfig.build.json

@@ -1,7 +1,9 @@
 {
   "extends": "./tsconfig.json",
   "compilerOptions": {
-    "rootDir": "./src"
+    "rootDir": "./src",
+    "tsBuildInfoFile": "./dist/tsconfig.build.tsbuildinfo"
   },
+  "include": ["src"],
   "exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
 }

openspec/changes/add-tsbuildinfo-to-gitignore/tasks.md

@@ -1,7 +1,8 @@
 ## 1. 核心修改
 
 - [x] 1.1 在 `.gitignore` 中新增 `*.tsbuildinfo` 规则
-- [x] 1.2 删除残留的 `apps/server/tsconfig.build.tsbuildinfo` 文件
+- [x] 1.2 在 `tsconfig.build.json` 中设置 `tsBuildInfoFile` 为 `./dist/tsconfig.build.tsbuildinfo`，使增量缓存与 `dist/` 共生
+- [x] 1.3 删除残留的 `apps/server/tsconfig.build.tsbuildinfo` 文件
 
 ## 2. 验证