3023bfc8c1
Reduce per-agent idea target from 10 to 7-8 based on real usage data showing ideas 8-11 were speculative tail that rarely survived filtering. This keeps the unique candidate pool manageable (~20-30 after dedup) while preserving frame diversity across 4-6 agents. Also add scannable overview line before detail blocks in Phase 4, and clarify foreground dispatch and native tool usage in Phase 1.