CC-ECHELON IMPLEMENTATION STATUS

1. **cc-protocol crate structure** - ✅ Cargo.toml with dependencies - ✅ README.md with architecture overview - ✅ lib.rs with module structure - ✅ sensor.rs - Complete `SensorFrame` and `MultiDeviceFrame` types - ✅ coherence.rs - `CoherenceMetrics`, `CouplingMode`, dual-time contract 2. **Existing cc-brain components** - ✅ `LatentState` - Embodied physics (LIM-RPS output) - ✅ `SectionStateMachine` - State transitions - ✅ `LexiconController` - Expressive control signals - ✅ `EchelonCore` - Main brain controller - ✅ SimpleLatentUpdater & LearnedLatentUpdater 3. **Existing cc-echelon crates** - ✅ motion-bridge - Network communication - ✅ audio-engine - Audio graph foundation - ✅ control-bus - Message passing - ✅ scheduler - Task scheduling 1. **cc-protocol core types** - 🚧 latent.rs - LatentState (will re-export from cc-brain) - 🚧 section_state.rs - SectionState (will re-export from cc-brain) - 🚧 control_packet.rs - THE MAIN MESSAGE - 🚧 clock.rs - ExecutionClock with quantization 2. **Strudel-IR (Symbolic Music)** - 🚧 strudel_ir/pattern.rs - Pattern, Layer, Note - 🚧 strudel_ir/edit.rs - PatternEdit operations - 🚧 strudel_ir/effect.rs - FX types - 🚧 strudel_ir/api.rs - Generated from CSV