# Mainline Documentation Summary

## Core Architecture
- [Pipeline Architecture](PIPELINE.md) - Pipeline stages, capability resolution, DAG execution
- [Graph-Based DSL](graph-dsl.md) - New graph abstraction for pipeline configuration

## Pipeline Configuration
- [Presets Usage](presets-usage.md) - Creating and using pipeline presets
- [Graph DSL](graph-dsl.md) - Graph-based pipeline definition (TOML, Python, CLI)

## Feature Documentation
- [Positioning Analysis](positioning-analysis.md) - Positioning modes and tradeoffs
- [Pipeline Introspection](pipeline_introspection.md) - Live pipeline visualization

## Implementation Details
- [Graph System Summary](GRAPH_SYSTEM_SUMMARY.md) - Complete implementation overview