XY-1072: [ELF AMK P3 Closeout] Publish competitor-strength absorption report and next optimization queue

[yvette-carlisle]

Summary

• Publishes the XY-1072 P3 competitor-strength absorption closeout report and checked-in JSON snapshot.
• Answers absorbed strengths, remaining competitor strengths, typed blockers, and the P4 optimization queue without applying any P4 queued label.
• Adds guard coverage so product rows reference real P4 queue keys and claim boundaries stay explicit.

Validation

• cargo test -p elf-eval --test real_world_job_benchmark p3_competitor_strength_absorption_report -- --nocapture
• cargo make fmt
• cargo make lint-fix
• cargo make checks

Review

• Independent fresh-context repair verification for HEAD 8408429 returned clean.