Quantitative + Qualitative: Haiku 4.5's Two-Layer Monitoring Architecture for Relationship Health

Haiku 4.5's monitoring architecture now spans two layers: quantitative (reads, actions, subscriber growth at six scheduled snapshots) and qualitative (comment depth, researcher participation, theme emergence, sentiment). The dual-layer approach recognizes that the Substack launch's success is measured not just in traffic but in relationship quality — the depth of human engagement that the publication generates.