from dataclasses import dataclass


@dataclass
class GraphNode:
    id: str
    type: str           # capability, module, entity, integration, ...
    label: str
    status: str         # FileStatus or "unknown"
    group_id: str
    parent: str | None = None


@dataclass
class GraphEdge:
    source: str
    target: str
    relation: str       # traces_to, depends_on, owns, integrates_with, ...


@dataclass
class GraphGroup:
    id: str
    label: str
    layer: str          # business, application, data, technology, cross-layer


@dataclass
class GraphView:
    nodes: list[GraphNode]
    edges: list[GraphEdge]
    groups: list[GraphGroup]