Carlos Escalante eb400ab1e9 Assistant: suppress repeated render-tool calls ...

After the client returns a render tool's result, the model sometimes
re-issues the identical call with a fresh id on the follow-up run,
painting a second copy of the spending-summary card (observed live on
MAF 1.10 / CK 1.62). DeduplicateToolCallMiddleware now tracks which
render tools already ran in the current user turn and drops repeats —
their streamed TOOL_CALL_* events and their entries in the run's
MESSAGES_SNAPSHOT. The system prompt also tells the model the card is
already displayed once its "ok" result is present.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

2026-07-04 18:10:51 -06:00

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