Implement Context Resolution and Inheritance

[chitcommit]

Objective

Complete context resolution engine with user → project → session hierarchy.

Implementation

• ✅ src/context-resolution.js created
• ✅ resolveContext() function
• ✅ createSessionContext() function
• ✅ Customization merging logic

Tasks

• Add unit tests for context resolution
• Test inheritance chain building
• Validate customization merging
• Add edge case handling
• Performance optimization

API Endpoints

• POST /v1/contexts/session/start
• GET /v1/contexts/{id}?resolve=true