fix: guard human interaction by runtime ownership

This commit is contained in:
Tianyi Cui
2026-08-08 15:30:08 +08:00
parent 408de0f588
commit dc64c5f1c2
27 changed files with 935 additions and 81 deletions

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@@ -54,5 +54,5 @@ Append-only; newly visible content follows the reusable request prefix and does
## Known Limitations and Deferred Work
- **A pending question blocks the tool call until the human answers** — the tool declares no `timeout-policy` budget; cancellation rides the turn's `exec.signal` only.
- **Delegated subagents cannot ask the user** — `ask_user_question` rejects calls from a delegated subagent with `DELEGATED_CALLER`; a child that needs a decision must delegate the question to the top-level agent.
- **Runtime-owned subagents cannot ask the user** — `ask_user_question` rejects a live child owned by another agent with `DELEGATED_CALLER`; the child must include the unresolved question or decision in its final result. Durable lineage does not decide this boundary, so a lineage-bearing session resumed as a runtime root may ask normally.
- **Native answers render as JSON text** — the canonical value remains structured, but the model-facing result uses compact JSON rather than a richer content-block vocabulary.