Executive Summary
Synthesized 4 child task findings into consolidated token usage report. 7-day period (May 24-30): 7.86M tokens, $19.15, single model (deepseek-v4-pro via OpenRouter).
📊 Key Findings
No anomalies — the "increase" is a normal weekend U-curve (80% on Sat/Fri). Root cause: 5 session_reset sessions consumed 26% of all tokens. Cron jobs are lean (314 sessions, 4.3% of spend). Cache hit rate 96%. Top recommendation: evaluate DeepSeek direct API (~6x cheaper). Full report: token_usage_synthesis.md