XY-935 Add live knowledge-page rebuild lint benchmark

[yvette-carlisle]

Summary

• Add cargo make real-world-memory-live-knowledge for Docker-contained ELF service-native knowledge-page rebuild/lint/search scoring.
• Publish the June 20 live knowledge-page rebuild/lint evidence report and update README/runbooks/indexes.
• Keep external llm-wiki/gbrain/GraphRAG/RAGFlow/LightRAG/graphify comparisons explicitly out of scope until comparable adapters exist.

Validation

• cargo test -p elf-eval --test real_world_job_benchmark dreaming_competitor_strength_retest_report_closes_xy955_without_overclaims -- --nocapture
• cargo test -p elf-eval --test real_world_job_benchmark live_knowledge_page_rebuild_lint_has_dedicated_docker_task -- --nocapture
• cargo make real-world-memory-knowledge
• cargo make real-world-memory-live-knowledge
• cargo make check
• decodex docs check
• git diff --check

Closes XY-935