wehub-resource-sync
51 lines
2.1 KiB
Swift
51 lines
2.1 KiB
Swift
import Foundation
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/// Informational summary of optional coding-activity observations in a trace's `decision` events.
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/// It reports how many decisions carried activity data and how many sampled decisions were below
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/// `activeThresholdSeconds` for either CLI.
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public struct ActivityCoverageStats: Sendable, Equatable {
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public let decisionCount: Int
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public let sampledCount: Int
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public let activeCount: Int
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public init(decisionCount: Int, sampledCount: Int, activeCount: Int) {
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self.decisionCount = decisionCount
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self.sampledCount = sampledCount
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self.activeCount = activeCount
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}
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/// Fraction of `decision` events that carried at least one non-nil activity field.
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public var sampledFraction: Double {
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self.decisionCount == 0 ? 0 : Double(self.sampledCount) / Double(self.decisionCount)
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}
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/// Fraction of the *sampled* decisions (not all decisions) that looked like active coding.
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public var activeFraction: Double {
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self.sampledCount == 0 ? 0 : Double(self.activeCount) / Double(self.sampledCount)
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}
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/// - Parameter activeThresholdSeconds: below this many seconds since the newest transcript
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/// write, a CLI counts as "active coding at decision time". Defaults to 5 minutes.
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public static func compute(
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from records: [AdaptiveRefreshTraceRecord],
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activeThresholdSeconds: TimeInterval = 300) -> Self
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{
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var sampledCount = 0
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var activeCount = 0
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var decisionCount = 0
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for record in records where record.kind == .decision {
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decisionCount += 1
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let codexSeconds = record.codexActivitySeconds
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let claudeSeconds = record.claudeActivitySeconds
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guard codexSeconds != nil || claudeSeconds != nil else { continue }
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sampledCount += 1
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let isActive = (codexSeconds ?? .infinity) < activeThresholdSeconds
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|| (claudeSeconds ?? .infinity) < activeThresholdSeconds
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if isActive {
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activeCount += 1
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}
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}
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return Self(decisionCount: decisionCount, sampledCount: sampledCount, activeCount: activeCount)
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}
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}
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