Marketing

Building a Context File for Your Brand and Offer

• Choosing the Cache TTL: A Cost Model for Shared Briefs
• Two Models, One Prompt Library: Keeping Instructions in Sync
• When a Cached Brief Goes Stale: Catching Prefix Drift
• A Cache Cost Ledger in Postgres: Storage, Hits and Recomputation
• A Context File for Your Brand and Offer
• A Drift Monitor for Cached Prefixes: Hashing and Alerts
• Caching a Shared Brand Brief Across Every Request in a Test
• Caching One Shared Block Across Two Models
• Keeping a Prompt Library Versioned So You Can Roll Back
• Logging Which Model Handled Each Request for Later Audits
• Measuring Cache Hit Rate from Provider Usage Records
• Skills and Context Files for a Marketing Prompt Library
• Tag Every Prompt Version With Its Token Bill
• The Shared Context File and Where the Two Models Must Diverge
• What Belongs in a Cached Prefix and What Belongs in the Tail
• What Belongs in a Context File and What Belongs in the Prompt
• When Cached Prefix and Live Data Disagree: Staleness
• When to Rebuild a Cached Brief Instead of Reusing It