Agent workflows & editing upgrades

🤖 Playbooks & Agent Editing

• Introduced improved Playbooks with structured guidance for common legal documents
• Integrated playbooks into edit for context-aware editing assistance

💰 Smarter Token Usage & Costs

• Added cached token tracking for improved cost efficiency with language models
• More accurate usage and cost calculations through automatic backfilling

🛠️ Editing, Infrastructure & Docs

• Improved Edit reliability, formatting, and document validation