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SuperBizAgent-java/devflow/projects/2026-07-07-executor-evidence-output-contract/evidence.md
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# Evidence: executor-evidence-output-contract
## Repository Evidence
- `chat-executor-prompt.md` currently requires using real tool data but does not require a structured evidence-attribution output.
- `chat-verifier-prompt.md` currently extracts facts from `executor_final_answer` prose and compares them with `tool_trace_summary`.
- `VerifierInputHook` currently provides `original_query`, `executor_final_answer`, `tool_trace_summary`, and `retry_context`.
- `openspec/specs/chat-verifier-agent/spec.md` already requires explicit verifier inputs, auditable evidence refs, fixed verdicts, and low-confidence handling.
- `openspec/specs/evidence-trace-hardening/spec.md` already distinguishes failed, no-hit, deduped, and successful evidence-tool traces.
## Runtime Evidence From Recent Sessions
Recent MySQL inspection showed repeated `LOW_CONFID` verifier results with many `no_evidence` facts. Typical unsupported claims included OOM, Full GC frequency, specific slow SQL timings, lock waits, and service-specific timeout details that were not supported by current-session tool traces.
## Design Evidence
This change preserves the previous design that Verifier should not inspect intermediate reasoning. The new structured output is still final Executor output, not hidden chain-of-thought.