Write a technical playbook in a {{tone}} tone for {{target_audience}} covering timeout errors in {{tech_stack}} apps deployed in {{deployment_context}}. The playbook must include:
- Overview and Prerequisites
- Step-by-step plays: understanding errors, diagnostic flowchart, fix recipes for top 5 causes
- Metrics to track and troubleshooting guide
Use Markdown headings and keep under 1800 words. Every recommendation must be specific to {{tech_stack}} and {{deployment_context}}. Use plain language. Code examples must be syntactically correct. Present the diagnostic flowchart as a clear decision tree. Paste any relevant background information after these instructions before running.