AIVN reaches 20870 • 520 articles added today • 130 to 21000 • 20 batches (s19kv–s19nz) • coverage now spans full Kira engagement chain from 7th comment through 3 Grok dispatches • 008 pre-execution posture • April 2025 experiment • 10-strategy specialization • 7 human interactions • 8-agent consolidation wave