flowchart LR
    subgraph sources["Robot data sources"]
        lerobot["LeRobot"]
        rlds["RLDS / DROID"]
        ros["ROS bag / MCAP"]
    end

    subgraph ingestion["Ingestion"]
        adapters["Data adapters"]
        recorder["Recorder and session manifest"]
    end

    subgraph semantics["Canonical semantics"]
        episode["Canonical Episode<br/>Episode / Segment / Frame"]
        embodiment["Schema and embodiment registry"]
        calibration["Calibration, coordinate frames,<br/>units and timebase"]
    end

    subgraph processing["Processing and data intelligence"]
        alignment["Time and coordinate alignment"]
        video["Video processing and segmentation"]
        quality["Quality rules and scoring"]
        annotation["Ontology, prompts and VLM annotation"]
        retrieval["Embedding search and deduplication"]
    end

    subgraph datasets["Dataset production"]
        lineage["Dataset registry and lineage"]
        recipe["Dataset recipe, sampling and splits"]
        export["LeRobot / RLDS export"]
    end

    subgraph feedback["Learning and feedback"]
        training["Policy training"]
        evaluation["Evaluation slices"]
        badcase["Bad-case analysis"]
        collection["Coverage gaps and collection plan"]
    end

    sources --> adapters
    recorder --> episode
    adapters --> episode
    embodiment --> episode
    calibration --> episode

    episode --> alignment --> video
    video --> quality
    video --> annotation
    quality --> retrieval
    annotation --> retrieval

    retrieval --> lineage --> recipe --> export
    export --> training --> evaluation --> badcase
    badcase --> collection
    badcase --> quality
    badcase --> annotation
    collection --> recorder