System Prompt Assembly
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Built-inSessionOfficial内置DeepSeek Harness
core/system-prompt
Assembles prompt fragments and tool schemas into the final context the model sees.
core/system-prompt stitches scattered prompt fragments into a complete system prompt and injects the tool schemas registered by plugins, ensuring the model receives a consistent, predictable context on every request.
It is a classic example of everything-is-a-plugin: any plugin can contribute a prompt fragment or a tool schema without touching core code.
Features
- Merges prompt fragments in order, avoiding duplication and conflicts
- Automatically collects and injects tool schemas
- Plugins contribute prompts and tool definitions declaratively
- Seamlessly feeds into the model injection point