feat: Add ContextCompressor - AI-powered token compression tool

[JackNie]

Summary

This PR adds ContextCompressor, an AI-powered context compression tool to the ClawCloud Run App Store.

What is ContextCompressor?

ContextCompressor is a developer tool that intelligently compresses long prompts and conversation histories before sending them to LLMs, reducing token usage by up to 80% while preserving core semantics.

Key Features

• Smart Semantic Compression: NLP-based summarization that retains the most important information
• Entity & Keyword Preservation: Automatically protects critical entities (names, dates, technical terms, code identifiers)
• Adjustable Compression Levels: light (80%), medium (50%), heavy (20%)
• Code-Aware Processing: preserve_code mode keeps code blocks intact
• Real-Time Savings Metrics: Returns original_tokens, compressed_tokens, and savings_percentage

Pricing Model

Usage-based pricing with a free tier:

• Free: 0 – 100,000 tokens/month
• Basic: $0.001 / 1,000 tokens
• Enterprise I: $0.0008 / 1,000 tokens (>1M tokens/month)
• Enterprise II: $0.0005 / 1,000 tokens (>10M tokens/month)

Category

• AI
• Developer Tools

Checklist

• Template YAML file created (template/contextcompressor/index.yaml)
• README.md with usage documentation and pricing
• App name is lowercase
• Description clearly explains the core value proposition