Grand Diomande Research · Full HTML Reader

CC Window Aligner: Implementation Checklist

| Status | Meaning | |--------|---------| | `[ ]` | Not Started | | `[~]` | In Progress | | `[B]` | Blocked (see notes) | | `[x]` | Complete |

Embodied Trajectory Systems research note experiment writeup candidate score 32 .md

Full Public Reader

CC Window Aligner: Implementation Checklist

Version: 0.1.0
Last Updated: 2025-12-27

---

Checklist Legend

Status	Meaning
`[ ]`	Not Started
`[~]`	In Progress
`[B]`	Blocked (see notes)
`[x]`	Complete

---

Phase 0: Documentation (MANDATORY FIRST)

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
0.1.1	Create PROJECT_CHARTER.md	Agent	None	docs/PROJECT_CHARTER.md	Document exists, all sections filled	[x]
0.1.2	Create GLOSSARY.md	Agent	0.1.1	docs/GLOSSARY.md	All terms defined with layer/stability	[x]
0.1.3	Create INVARIANTS.md	Agent	0.1.2	docs/INVARIANTS.md	10 invariants documented with canaries	[x]
0.2.1	Create IMPLEMENTATION_GUIDE.md	Agent	0.1.3	docs/IMPLEMENTATION_GUIDE.md	All stages specified, types defined	[x]
0.3.1	Create CHECKLIST.md	Agent	0.2.1	docs/CHECKLIST.md	This document	[x]

Phase 0 Status: COMPLETE

---

Phase 1: Project Infrastructure

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
1.1	Create Cargo.toml with dependencies	Agent	Phase 0	Cargo.toml	`cargo check` passes	[x]
1.2	Create lib.rs with module structure	Agent	1.1	src/lib.rs	Compiles, exports public API	[x]
1.3	Create error.rs with AlignerError	Agent	1.2	src/error.rs	All error variants defined	[x]

Phase 1 Status: COMPLETE

---

Phase 2: Core Types (FROZEN after this phase)

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
2.1	Create types.rs with MotionWindow	Agent	1.3	src/types.rs	Matches IMPLEMENTATION_GUIDE spec	[x]
2.2	Create SkeletonFrame and BoneState	Agent	2.1	src/types.rs	27 bones, quaternion format	[x]
2.3	Create DeviceMask with bit operations	Agent	2.1	src/types.rs	All device constants defined	[x]
2.4	Create FrameProvenance	Agent	2.3	src/types.rs	Per-DOF tracking	[x]
2.5	Create config.rs with WindowConfig	Agent	2.4	src/config.rs	All config fields, validation	[x]
2.6	Create AlignerMode enum	Agent	2.5	src/config.rs	Strict and LowLatency modes	[x]
2.7	Type contract review	Human	2.1-2.6	—	Types match IMPLEMENTATION_GUIDE	[ ]

Phase 2 Status: IMPLEMENTATION COMPLETE (awaiting human review for 2.7)

Phase 2 Gate: Types are FROZEN after 2.7 approval.

---

Phase 3: Interpolation Policies (FROZEN after this phase)

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
3.1	Create interpolation/mod.rs trait	Agent	Phase 2	src/interpolation/mod.rs	Interpolator trait defined	[x]
3.2	Implement linear interpolation	Agent	3.1	src/interpolation/linear.rs	Unit tests pass	[x]
3.3	Implement slerp interpolation	Agent	3.1	src/interpolation/slerp.rs	Quaternion tests pass	[x]
3.4	Implement hold interpolation	Agent	3.1	src/interpolation/hold.rs	Discrete signal tests pass	[x]
3.5	Interpolation policy version tag	Agent	3.2-3.4	src/interpolation/mod.rs	Version "v1" constant	[x]

Phase 3 Status: COMPLETE

Phase 3 Gate: Interpolation policies are FROZEN after this phase.

---

Phase 4: Clock Synchronization

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
4.1	Create clock/mod.rs with ClockMapping	Agent	Phase 2	src/clock/mod.rs	Affine transform defined	[x]
4.2	Implement clock estimator	Agent	4.1	src/clock/sync.rs	Offset/drift estimation	[x]
4.3	Multi-device sync manager	Agent	4.2	src/clock/sync.rs	Per-stream mappings	[x]
4.4	Clock sync unit tests	Agent	4.3	tests/clock.rs	Synthetic drift tests	[x]

Phase 4 Status: COMPLETE

---

Phase 5: Skeleton and Coordinates

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
5.1	Create skeleton/mod.rs with bone definitions	Agent	Phase 2	src/skeleton/mod.rs	27-bone hierarchy	[x]
5.2	Define BoneIndex enum	Agent	5.1	src/skeleton/mod.rs	All 27 bones named	[x]
5.3	Mocopi skeleton mapping	Agent	5.2	src/skeleton/mocopi.rs	Mocopi → CC mapping	[x]
5.4	Coordinate transforms	Agent	5.3	src/skeleton/transform.rs	Device → BodyFrame	[x]
5.5	Quaternion hemisphere normalization	Agent	5.4	src/skeleton/transform.rs	Consistent signs	[x]
5.6	Skeleton unit tests	Agent	5.5	tests/skeleton.rs	FK validation	[x]

Phase 5 Status: COMPLETE

---

Phase 6: Pipeline Stages

Stage 1: Time Normalization

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
6.1.1	Create stages/mod.rs with Stage trait	Agent	Phase 4, 5	src/stages/mod.rs	Trait defined	[x]
6.1.2	Implement TimeNormalizer	Agent	6.1.1	src/stages/time_normalize.rs	Uses ClockMapping	[x]
6.1.3	INV-009 enforcement	Agent	6.1.2	src/stages/time_normalize.rs	No future data check	[x]
6.1.4	Stage 1 unit tests	Agent	6.1.3	tests/stages/time.rs	Synthetic packets	[x]

Stage 2: Resampling

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
6.2.1	Implement Resampler	Agent	6.1.4, Phase 3	src/stages/resample.rs	Canonical FPS output	[x]
6.2.2	Gap detection and marking	Agent	6.2.1	src/stages/resample.rs	Interpolation flags	[x]
6.2.3	INV-003, INV-004 enforcement	Agent	6.2.2	src/stages/resample.rs	Missingness, monotonicity	[x]
6.2.4	Stage 2 unit tests	Agent	6.2.3	tests/stages/resample.rs	Various gap sizes	[x]

Stage 3: Coordinate Unification

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
6.3.1	Implement CoordinateUnifier	Agent	6.2.4	src/stages/coordinate.rs	Device → BodyFrame	[x]
6.3.2	INV-005 enforcement	Agent	6.3.1	src/stages/coordinate.rs	Coordinate checks	[x]
6.3.3	Stage 3 unit tests	Agent	6.3.2	tests/stages/coordinate.rs	Multi-device	[x]

Stage 4: Fusion

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
6.4.1	Implement DeviceFuser	Agent	6.3.3	src/stages/fusion.rs	Authority table	[x]
6.4.2	Provenance population	Agent	6.4.1	src/stages/fusion.rs	Per-DOF tracking	[x]
6.4.3	INV-008 enforcement	Agent	6.4.2	src/stages/fusion.rs	Complete provenance	[x]
6.4.4	Stage 4 unit tests	Agent	6.4.3	tests/stages/fusion.rs	Multi-device fusion	[x]

Stage 5: Windowing

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
6.5.1	Create buffer/mod.rs with ring buffer	Agent	Phase 2	src/buffer/mod.rs	Frame buffering	[x]
6.5.2	Implement Windower	Agent	6.5.1, 6.4.4	src/stages/windowing.rs	Window emission	[x]
6.5.3	Coverage computation	Agent	6.5.2	src/stages/windowing.rs	Coverage formula	[x]
6.5.4	Window ID generation	Agent	6.5.3	src/stages/windowing.rs	Deterministic hash	[x]
6.5.5	Checksum computation	Agent	6.5.4	src/stages/windowing.rs	xxhash	[x]
6.5.6	INV-001, INV-002, INV-006, INV-007, INV-010 enforcement	Agent	6.5.5	src/stages/windowing.rs	All window invariants	[x]
6.5.7	Stage 5 unit tests	Agent	6.5.6	tests/stages/windowing.rs	Various scenarios	[x]

Phase 6 Status: COMPLETE

---

Phase 7: Validation Infrastructure

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
7.1	Create validation/mod.rs	Agent	Phase 6	src/validation/mod.rs	Validator trait	[x]
7.2	Implement invariant checks	Agent	7.1	src/validation/invariants.rs	INV-001 to INV-010	[x]
7.3	Discontinuity detection	Agent	7.2	src/validation/discontinuity.rs	Jump detection	[x]
7.4	Validation unit tests	Agent	7.3	tests/validation.rs	Injected violations	[x]

Phase 7 Status: COMPLETE

---

Phase 8: Audit Trail

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
8.1	Create audit/mod.rs with CausalityTrace	Agent	Phase 7	src/audit/mod.rs	Trace types	[x]
8.2	Implement trace recording	Agent	8.1	src/audit/trace.rs	Window → output mapping	[x]
8.3	Trace query API	Agent	8.2	src/audit/trace.rs	"What conditioned X?"	[x]
8.4	Audit unit tests	Agent	8.3	tests/audit.rs	Round-trip traces	[x]

Phase 8 Status: COMPLETE

---

Phase 9A: Semantic Readout Layer (NEW)

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
9A.1	Create semantic/mod.rs with core types	Agent	Phase 8	src/semantic/mod.rs	Confidence, ValidityHorizon	[x]
9A.2	Implement PhaseState (cyclic coordinate)	Agent	9A.1	src/semantic/phase.rs	Slerp, advance tests pass	[x]
9A.3	Implement MomentumState	Agent	9A.2	src/semantic/momentum.rs	HeadingVector, impulse	[x]
9A.4	Implement TensionState	Agent	9A.3	src/semantic/tension.rs	Proxy computation	[x]
9A.5	Implement IntentState	Agent	9A.4	src/semantic/intent.rs	Direction, availability	[x]
9A.6	Implement StabilityState	Agent	9A.5	src/semantic/stability.rs	Health metrics	[x]
9A.7	Implement RegimeDescriptor	Agent	9A.6	src/semantic/regime.rs	Regime classification	[x]
9A.8	Implement SemanticFrame v1	Agent	9A.7	src/semantic/frame.rs	Complete v1 contract	[x]

Phase 9A Status: COMPLETE (8/8 items)

---

Phase 9B: Anticipation Layer (NEW)

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
9B.1	Create anticipation/mod.rs	Agent	9A.8	src/anticipation/mod.rs	Schema version, horizons	[x]
9B.2	Implement HorizonForecast	Agent	9B.1	src/anticipation/horizon.rs	Multi-horizon predictions	[x]
9B.3	Implement EventForecast	Agent	9B.2	src/anticipation/events.rs	Event type, timing	[x]
9B.4	Implement AnticipationPacket v1	Agent	9B.3	src/anticipation/packet.rs	Complete v1 contract	[x]

Phase 9B Status: COMPLETE (4/4 items)

---

Phase 9C: Aligner Integration

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
9C.1	Implement WindowAligner struct	Agent	Phase 9B	src/lib.rs	Full public API	[~]
9C.2	Ingest → Poll flow	Agent	9C.1	src/lib.rs	Streaming operation	[ ]
9C.3	Strict mode implementation	Agent	9C.2	src/lib.rs	Watermark waiting	[ ]
9C.4	Low-latency mode implementation	Agent	9C.3	src/lib.rs	Eager emission	[ ]
9C.5	Full pipeline unit tests	Agent	9C.4	tests/integration.rs	End-to-end	[ ]

---

Phase 10: Determinism Verification

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
10.1	Create determinism test harness	Agent	Phase 9	tests/determinism.rs	Multi-run comparison	[ ]
10.2	Test on synthetic sessions	Agent	10.1	—	Identical outputs	[ ]
10.3	Cross-platform verification	Human	10.2	—	Linux + macOS	[ ]
10.4	INV-001 certification	Human	10.3	—	Determinism proven	[ ]

---

Phase 11: Integration Testing

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
11.1	Integration with cc-anticipation	Agent	Phase 10	tests/integration_anticipation.rs	Windows accepted	[ ]
11.2	Integration with cc-conductor	Agent	11.1	tests/integration_conductor.rs	Protocol bridge works	[ ]
11.3	Integration with RAG++	Agent	11.2	tests/integration_rag.rs	Phrase indexing works	[ ]
11.4	Full system integration	Human	11.3	—	Live motion → sound	[ ]

---

Phase 12: Release

ID	Description	Owner	Dependencies	Artifacts	Validation	Status
12.1	Documentation review	Human	Phase 11	—	All docs current	[ ]
12.2	API stability review	Human	12.1	—	Breaking changes flagged	[ ]
12.3	Lock schema version 0.1.0	Human	12.2	—	FROZEN	[ ]
12.4	Publish to monorepo	Human	12.3	—	Available to consumers	[ ]

---

Summary

Phase	Items	Complete	In Progress
0: Documentation	5	5	0
1: Infrastructure	3	3	0
2: Core Types	7	6	0
3: Interpolation	5	5	0
4: Clock Sync	4	4	0
5: Skeleton	6	6	0
6: Stages	21	21	0
7: Validation	4	4	0
8: Audit	4	4	0
9A: Semantic Layer	8	8	0
9B: Anticipation	4	4	0
9C: Integration	5	0	1
10: Determinism	4	0	0
11: Integration Test	4	0	0
12: Release	4	0	0
TOTAL	88	70	1

---

Continuation Anchor

CONTINUATION ANCHOR
-------------------
Phase: 9C (Aligner Integration)
Last Completed: 9B.4 AnticipationPacket v1 implementation
Next Active: 9C.2 Ingest → Poll flow
Confidence: High
Open Uncertainties: None
Blocked By: 2.7 (Human type contract review)
Notes:
  - Phases 0-8: Core implementation complete
  - Phase 9A: SemanticFrame v1 contract complete (8 modules)
  - Phase 9B: AnticipationPacket v1 contract complete (4 modules)
  - 141 unit tests passing
  - WindowAligner struct exists in lib.rs with skeleton API
  - Next: Complete WindowAligner ingest/poll streaming flow

---

Document ID: CC-WA-CHECKLIST-001
Previous Document: IMPLEMENTATION_GUIDE.md

Promotion Decision

Attach run IDs, datasets, metrics, and reproduction commands.

Source Anchor

Comp-Core/core/motion/cc-window-aligner/docs/CHECKLIST.md

Detected Structure

Method · Evaluation · Code Anchors · Architecture