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https://github.com/deepseek-ai/deepseek-harness
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46649858f6
Rewires this layer onto the standing-mount model: - serviceForAgent roots its search at the agent's standing mount (parent scope key → live mount fiber) — the composition no longer lives under the agent's own fiber, and two agents on one preset now address ONE instance, which the sharing test asserts instead of distinctness. - viewFor/historyPage take a registry view SCOPE. A live agent is that scope; a cold read uses the recorded preset's standing key via standingKeyFor — composing plugins but starting no agent, session, or turn. A header without a preset (a pre-roster log) renders through the DEFAULT preset's standing layer; an unusable preset degrades the read to generic cards, never fails it. This turns produced-files and chat-scroll green structurally, with the token counts untouched (no resume, so the projections fold stays detached). - The detached projections baseline now includes every standing unit's key at its empty fold (todos: null): the standing mount registers units deterministically, which is what makes the client's "omitted key = capability absence → clear" rule safe again. seeded-history's contract test asserts the new shape. - The standard preset's realm preamble no longer claims a shared label pools instances — provide() throws on the second registration under one realm symbol; labels join REALMS.
core/ — product API spine
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The session log, system-prompt assembly, tool registry, agent vocabulary, and concrete loop that form the harness's default control spine. These are product packages — the stable surface plugins and consumers build against.
| Package | Role | ctx key |
|---|---|---|
scope/ |
Scoped-context registration primitive | library — no ctx key |
session/ |
Event-sourced session log and in-memory store | ctx.sessions |
system-prompt/ |
Prompt and tool-schema assembly registry | ctx.systemPrompt |
tools/ |
Scoped tool registry and execution pipeline | ctx.tools |
agent/ |
Agent interface, registry, and event vocabulary | ctx.agents |
agent-loop/ |
Default concrete agent driver | ctx.agentLoop |
scope supplies the shared scoping primitive. agent owns the public seam, while agent-loop is its default implementation; extension plugins depend on the seam so the driver remains swappable.
Runnable compositions belong to examples/agent-spine-demo; this group owns only the swappable spine pieces.