Changes

PR #1950 by cleong14: feat: add suggest_gt_command pattern

• Added new suggest_gt_command pattern that suggests Gas Town (gt) CLI commands based on natural language descriptions
• Covers 85+ commands across work management, agents, communication, services, diagnostics, and recovery
• Includes pipe-friendly output with raw command on first line for easy command extraction
• Integrates with Gas Town CLI tool for enhanced command-line workflow automation

PR #1951 by ksylvan: Add extract_wisdom_with_attribution pattern for speaker-attributed quotes

• Add new extract_wisdom_with_attribution pattern that extends extract_wisdom functionality with speaker attribution capabilities
• Create comprehensive documentation including README and system.md files for the new pattern
• Update pattern_explanations.md with detailed entry for the new pattern
• Add pattern to suggest_pattern category lists for improved discoverability
• Update pattern metadata files including pattern_descriptions.json and pattern_extracts.json with relevant tags and content

PR #1952 by ksylvan: Fix: using attachments with Anthropic models

• Feat: add multi-content support for images and PDFs in Anthropic client
• Update toMessages to handle multi-content messages with text and attachments
• Add contentBlocksFromMessage to convert message parts to Anthropic blocks
• Implement support for image URLs including data URLs and base64 images
• Add PDF attachment handling via data URLs and URL-based PDFs