fix(typert): resolve the file-upload types subpath in host analysis

The Typert host program analyzes packages/api/session-controller/src/commands.ts
on a clean checkout, where only tsconfig paths resolve
@deepseek-ai/dsh-client-file-upload/types; without the mapping the dependency
policy gate fails with TS2307.

tsconfig.base.json

@@ -247,6 +247,7 @@
       "@deepseek-ai/dsh-client-connection": ["./packages/client/connection/src"],
       "@deepseek-ai/dsh-client-file-upload": ["./packages/client/file-upload/src"],
       "@deepseek-ai/dsh-client-file-upload/client": ["./packages/client/file-upload/src/client/index.ts"],
+      "@deepseek-ai/dsh-client-file-upload/types": ["./packages/client/file-upload/src/types.ts"],
       "@deepseek-ai/dsh-api-remotes": ["./packages/api/remotes/src"],
       "@deepseek-ai/dsh-api-remotes/client": ["./packages/api/remotes/src/client/index.ts"],
       "@deepseek-ai/dsh-client-hmr": ["./packages/client/hmr/src"],