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Let hosts register tools and observe token usage #4

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weichen merged 2 commits from feature/host-tools into main 2026-10-01 09:35:55 +00:00
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Author SHA1 Message Date
weichenandCursor cfc840c11d Expose the step directory and a tool-call cap
ci / vet-and-test (pull_request) Failing after 2s
Details
ci / docker-checkout-hostgateway (pull_request) Successful in 2s
Details 
Why: Host tools need the kernel workspace to register files the step just wrote, and product budgets must stop a step that keeps calling tools.
Evidence: go test ./adapters/native/ ./runtime/ -count=1 passed, including the workdir visibility test.
Impact: Host tools can read WorkDir from context. MaxToolCalls limits one kernel step when the request budget leaves it unset.
Refs: deliverable-quality-system B1
Co-authored-by: Cursor <cursoragent@cursor.com>
 2026-10-01 09:06:22 +00:00
weichenandCursor 951c141f95 Let hosts register tools and observe token usage 
Why: product runners need register_artifact and card tools inside the kernel loop, and the UI needs token usage on the same event stream as text and tool calls.
Evidence: go test ./... in agent-native; TestHostToolAndUsageEvent and TestHostToolNameConflictFailsClosed.
Impact: Options.HostTools fail closed on name clashes; ProcessEvent and runtime events gain a usage type with token counts. Existing callers that ignore unknown event types stay compatible.
Refs: deliverable-quality-system B1
Co-authored-by: Cursor <cursoragent@cursor.com>
 2026-10-01 08:57:21 +00:00