Developer tooling for creating, editing, building, and running DeepSeek Harness projects, plus the client SDK stack for driving a harness runtime from another process.

The feature Agent Note owns the developer workflow; the architecture Agent Note owns the package and project-editing boundaries; the TypeScript SDK Agent Note owns the client SDK stack.

Package	Role
`helper`	Project aggregate, edit session, builtin features, project documents, templates, package managers, and prompt abstraction
`scripts`	The `dsh-sdk` launcher: `start`, `dev`, `build`, and interactive `config`
`create-sdk`	The `npm create @deepseek-ai/sdk` initializer
`sdk-protocol`	Shared SDK runtime wire protocol: the newline-delimited JSON-RPC transport + named request/notification types
`sdk-client`	TypeScript client SDK: drive a harness runtime subprocess over stdio JSON-RPC (the Python SDK's design twin)

@deepseek-ai/create-sdk is the one package-name exception to the repository's @deepseek-ai/dsh-* rule: npm's scoped initializer convention requires that name for npm create @deepseek-ai/sdk.

Generated projects keep cordis.yml as the only runtime plugin tree. dsh-sdk dev adds TypeScript and local-workspace resolution around that same file; it does not create a development-only config.