[FEATURE] VS Code extension for inline debugging

[Sigmabrogz]

Description

Create a VS Code extension that integrates AgentDBG directly into the editor.

Features

• Inline trace visualization in the editor
• Breakpoint setting via gutter clicks
• Cost display in status bar
• Span tree in sidebar panel

Why

Many developers live in VS Code. Native integration would be a killer feature.

Technical Approach

• Use VS Code Extension API
• Connect to AgentDBG WebSocket server
• Use webview for trace visualization

Help Wanted

This is a larger project - looking for someone experienced with VS Code extensions!