Rewrote system + branch prompts (lean signposts, no duplication). Extracted dashboard infrastructure from Dev-Pass into Prax (11 files). Extracted DPLAN system from Dev-Pass into Flow (15 files). Enabled culture doc (.claude/CLAUDE.md) with @address pattern. Created DPLAN-0002 for prompt template standards. Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>