v0.4.0 — Remove Openrouter

[0.4.0] remove openrouter

Removed

• OpenRouter Integration: Removed all OpenRouter API integration and live model benchmarking
• Live API Calls: Eliminated --model and --run-all flags that required API access
• External Dependencies: Removed dependency on OpenRouter API for benchmarking

Changed

• CLI Interface: Simplified to use only file-based input with --input flag
• Documentation: Updated README and examples to reflect file-based workflow
• Focus: Repository now exclusively processes pre-generated LLM output files

Added

• Manual Ingestion: Enhanced --ingest feature for processing multiple model outputs from single file
• File Processing: Streamlined workflow for benchmark evaluation from saved outputs