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docs: replace model experience tables with sections

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Tianyi Cui
2026-07-13 22:26:33 +08:00
parent 646f3d2d0c
commit d77f797d89
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packages/core/system-prompt/README.md
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@@ -42,10 +42,17 @@ Design rationale: [the prompt-variables RFC](../../../docs/rfc/implemented/archi
## Model Experience
| Context surface | What the model sees | Token effect |
|---|---|---|
| System prompt | Every assembly starts with `You are an AI agent powered by the DeepSeek Harness SDK.`, then the configured persona and ordered plugin sections after strict variable interpolation. Empty sections disappear; scoped sections and variables can shadow globals for one agent. The final `system-prompt/assemble` waterfall result is authoritative, so an expert listener's changes determine the delivered prompt and tool schemas. | Identity is a fixed per-request cost. Persona and plugin text are repeated per request and scale with their rendered content. |
| Tool schemas | The model receives the collected, per-agent-visible tool names, descriptions, and JSON schemas in configured or lexicographic order after restrictions and assembly interception. Sections and schema providers are separate assembly inputs, so a tool restriction does not remove independently registered guidance. | Schema tokens repeat on every request. Restricting a tool removes its entire schema cost for that agent but not a separate prompt section; reordering changes cache shape but not semantic content. |
### System prompt
**What the model sees**: Every assembly starts with `You are an AI agent powered by the DeepSeek Harness SDK.`, then the configured persona and ordered plugin sections after strict variable interpolation. Empty sections disappear; scoped sections and variables can shadow globals for one agent. The final `system-prompt/assemble` waterfall result is authoritative, so an expert listener's changes determine the delivered prompt and tool schemas.
**Token effect**: Identity is a fixed per-request cost. Persona and plugin text are repeated per request and scale with their rendered content.
### Tool schemas
**What the model sees**: The model receives the collected, per-agent-visible tool names, descriptions, and JSON schemas in configured or lexicographic order after restrictions and assembly interception. Sections and schema providers are separate assembly inputs, so a tool restriction does not remove independently registered guidance.
**Token effect**: Schema tokens repeat on every request. Restricting a tool removes its entire schema cost for that agent but not a separate prompt section; reordering changes cache shape but not semantic content.
## Known Limitations and Deferred Work