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docs: address model experience review

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Tianyi Cui
2026-07-12 02:55:26 +08:00
parent a08485fc80
commit b5cd511f35
64 changed files with 443 additions and 410 deletions
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packages/todo/tool-todo/README.md
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@@ -2,13 +2,6 @@
The model-facing `todo_write` tool: the agent's whole task list, replaced wholesale on each call.
## Model Experience
| Context surface | What the model sees | Token effect |
|---|---|---|
| Tool schema | The model sees `todo_write` with the complete-list array and the three status values. | Fixed schema cost on every request where the tool is visible. |
| Tool-call history and result | Each assistant tool call retains the entire replacement list in its arguments. The tool result reports only pending, in-progress, and completed counts; the full `todo/write` session event is UI and replay state, not a second model message. | Token growth scales with every full list the model submits, and those call arguments remain until compaction. The result itself is small and fixed-shape. |
## What it does
Registers one tool, `todo_write(todos: [{ content, status }])`, on `ctx.tools`. The model sends the ENTIRE list every call — there are no partial updates or per-item edits. Each call appends a `todo/write` event (the full list snapshot) to the calling agent's session log via `agent.session.append('todo/write', { todos })`; the current list is the most recent such event (last-write-wins on replay).
@@ -31,6 +24,13 @@ The tool writes only the session event; it does not render. UIs subscribe to `se
A function/namespace plugin: it exports `name` / `inject` / `apply` and NO default. A stray `export default` would collapse the module via the Loader's `unwrapExports` and drop `inject` (see [docs/postmortem/0001](../../../docs/postmortem/0001-acp-default-export-drops-inject.md)).
## Model Experience
| Context surface | What the model sees | Token effect |
|---|---|---|
| Tool schema | The model sees `todo_write` with the complete-list array and the three status values. | Fixed schema cost on every request where the tool is visible. |
| Tool-call history and result | Each assistant tool call retains the entire replacement list in its arguments. The tool result reports only pending, in-progress, and completed counts; the full `todo/write` session event is UI and replay state, not a second model message. | Token growth scales with every full list the model submits, and those call arguments remain until compaction. The result itself is small and fixed-shape. |
## Known Limitations and Deferred Work
- **Single-owner scope only** — the list belongs to the one calling agent session; subagent/shared/swarm scopes are a deliberate cut (see § Single owner), and a non-agent caller is rejected.