Advanced Topics

Deep dives into internal mechanisms and advanced usage.

Contents

• Config Merging - Figment + ConfigBuilder internals
• Error Handling - Error types and recovery strategies
• Security - Security features checklist
• Extending - Adding providers and guardrails

Topics Covered

Configuration System

• Dual loading (Figment + ConfigFileRequest)
• Merge priority rules
• CLI-only vs config-file fields

Error Management

• FortifiedError variants
• Error propagation patterns
• Graceful degradation

Security Features

• Input limits
• Timeout protection
• API key handling
• Atomic file writes

Extensibility

• Implementing LlmProvider trait
• Creating custom guardrails
• Adding new response formats

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Table of contents

• Config Merging
• Error Handling
• Security
• Extending