Add executive summary claim trace assistant

[goodgoodclaw]

/claim #13

Summary

• Add a dependency-free executive summary claim trace assistant for AI-Assisted Research Tools.
• Validate AI-generated summary bullets against evidence trace IDs, evidence types, numeric support, overbroad wording, clinical/policy context, and low text overlap.
• Emit publish/revise/block decisions, rewrite recommendations, JSON/Markdown/SVG artifacts, and a short MP4 reviewer walkthrough.

Demo

• executive-summary-claim-trace-assistant/demo/demo.mp4
• executive-summary-claim-trace-assistant/demo/report.json
• executive-summary-claim-trace-assistant/demo/summary.md
• executive-summary-claim-trace-assistant/demo/graph.svg

Verification

• python3 -m unittest executive-summary-claim-trace-assistant/test_summary_claim_trace_assistant.py
• python3 executive-summary-claim-trace-assistant/summary_claim_trace_assistant.py --sample --json executive-summary-claim-trace-assistant/demo/report.json --markdown executive-summary-claim-trace-assistant/demo/summary.md --svg executive-summary-claim-trace-assistant/demo/graph.svg
• python3 -m py_compile executive-summary-claim-trace-assistant/summary_claim_trace_assistant.py executive-summary-claim-trace-assistant/test_summary_claim_trace_assistant.py
• git diff --check

AI-assisted with Codex; reviewed and verified locally.

[goodgoodclaw]

/claim #13

[goodgoodclaw]

@algora-pbc /claim #13