Here's a new outline for the Sagacity codebase:

I. Introduction
   A. Project overview
   B. Purpose and features

II. Prerequisites
   A. Rust installation
   B. Anthropic API key setup

III. Codebase Structure
   A. Main components
      1. Indexing
      2. Search
      3. Chat
      4. User interface
   B. Supporting modules
      1. API communication
      2. File handling
      3. Utilities

IV. Workflow
   A. Indexing codebase
      1. Scanning files
      2. Generating summaries
      3. Caching index
   B. Search mode
      1. Keyword search
      2. Relevance calculation
      3. Result display
   C. Chat mode
      1. Interactive conversation
      2. Context preparation
      3. LLM response generation
      4. Conversation history management
   D. User interface
      1. Command palette
      2. Navigation and autocompletion
      3. Output formatting

V. Advanced Features
   A. Code modification mode
      1. Intent detection
      2. Diff generation
      3. Change application
   B. Session management
      1. Creating new sessions
      2. Switching between sessions
   C. File operations
      1. Copying to clipboard
      2. Saving to file

VI. Contributing
   A. Open-source nature
   B. Reporting issues and submitting pull requests

VII. Future Enhancements
    A. Additional programming language support
    B. Improved relevance scoring
    C. Integration with code editors/IDEs

This outline covers the main aspects of the Sagacity codebase, including its purpose, structure, workflow, advanced features, contributing guidelines, and potential future enhancements.