deepseek-harness/packages/llm

description	kind
The LLM capability group: a provider-neutral model-call service, the DeepSeek and pi-ai provider adapters, request-retry execution, and replay-aware token measurement.	package-group

llm/ — LLM capability family

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Summary

The llm group provides the harness's model-call capability: one provider-neutral service through which any composition streams requests to a model provider, plus adapters, provider-specific request metadata, retry execution, and measurement. The core llm package defines the message, content-block, and stream-chunk vocabulary every plugin and the session log use; provider adapters translate a provider's wire format into that vocabulary; DeepSeek request-extension plugins contribute lifecycle-owned metadata outside model input; llm-retry re-runs failed requests at durable agent-step boundaries; and token-meter measures request and context pressure from the durable log. This page maps the group; each package README owns its per-package contract.

Table of Contents

• Packages
• Related documentation
• Dev Note

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Packages

Package	Role	ctx key
llm/	Streams one model call through a registered provider adapter and shares the harness message, block, and chunk vocabulary	ctx.llm
llm-deepseek/	Serves the deepseek-official route with direct DeepSeek chat-completions, thinking, and image input	registers on ctx.llm
llm-pi-ai/	Serves configured provider routes through pi-ai catalogs and wire protocols, including hand-declared gateways	registers on ctx.llm
deepseek-llm-api-extensions/	Registers lifecycle-owned top-level fields on official DeepSeek requests	ctx.deepseekLlmApiExtensions
plugin-package-inventory-deepseek/	Contributes the active Loader package inventory to official DeepSeek requests	contributes dsh_plugin_packages
llm-retry/	Retries failed model requests under each provider's policy at durable agent-step boundaries	listens to agent/request-error
token-meter/	Measures request and context pressure from the durable session log with a fixed heuristic	ctx.tokenMeter

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Related documentation

• LLM streaming subsystem — the message and block types, the assembled model request, the StreamChunk protocol, and the adapter contract.
• Token meter subsystem — the measurement semantics behind ctx.tokenMeter.
• Twin LLM adapters — why the DeepSeek route ships two structurally different adapters.
• Routed model context — how the loop routes model requests and compacts context.
• Replay token meter service — the design behind replay-aware measurement.

Dev Note

None.