Source code for ralph.process._child_activity_snapshot

"""ChildActivitySnapshot — freshness-aware aggregate snapshot for a scope prefix."""

from __future__ import annotations

from dataclasses import dataclass




@dataclass(frozen=True)
class ChildActivitySnapshot:
    """Freshness-aware aggregate snapshot for a scope prefix."""

    scope_prefix: str
    has_process: bool
    has_fresh_label: bool
    has_fresh_progress: bool
    oldest_live_child_seconds: float | None
    active_count: int
    terminal_count: int
    has_fresh_heartbeat: bool = False



__all__ = ["ChildActivitySnapshot"]