import { Effect } from "effect";import type { DeviceSnapshot, HostProfile, TelemetryField } from "../contracts"; /** What a probe contributes to the merged snapshot. */export type SnapshotFragment = Partial<Omit<DeviceSnapshot, "sampledAt" | "capabilities">>; export interface ProbeResult {  readonly fragment: SnapshotFragment;  /** Fields this probe can genuinely answer on this host. A field absent here renders as   *  "unsupported" rather than as a plausible zero. */  readonly capabilities: readonly TelemetryField[];} export interface DeviceProbe {  readonly id: string;  /** Cheap gate — no I/O. Probes that pass still have to tolerate missing tooling. */  readonly detect: (host: HostProfile) => boolean;  readonly run: (host: HostProfile) => Effect.Effect<ProbeResult>;} export const emptyResult: ProbeResult = { fragment: {}, capabilities: [] }; /** A probe must never fail the snapshot: a missing tool is data, not an error. */export const neverFails = (effect: Effect.Effect<ProbeResult>): Effect.Effect<ProbeResult> =>  effect.pipe(Effect.catchCause(() => Effect.succeed(emptyResult)));