| export type AdaptiveContinuityInputs = { |
| focusStreak: number; |
| retainedRatio: number; |
| sameMode: boolean; |
| modeShiftCount: number; |
| }; |
|
|
| export type AdaptiveContinuityPrior = { |
| ruleContinuityScore?: number; |
| adaptiveContinuityScore?: number; |
| adaptiveRetention?: number; |
| }; |
|
|
| export type AdaptiveContinuitySnapshot = { |
| ruleContinuityScore: number; |
| adaptiveContinuityScore: number; |
| adaptiveRetention: number; |
| flux: number; |
| }; |
|
|
| function clamp01(value: number): number { |
| return Math.max(0, Math.min(1, value)); |
| } |
|
|
| function sigmoid(value: number): number { |
| return 1 / (1 + Math.exp(-value)); |
| } |
|
|
| export function deriveRuleContinuityScore(params: AdaptiveContinuityInputs): number { |
| return clamp01( |
| 0.35 + |
| Math.min(params.focusStreak, 4) * 0.12 + |
| params.retainedRatio * 0.22 + |
| (params.sameMode ? 0.1 : 0) - |
| Math.min(params.modeShiftCount, 4) * 0.04, |
| ); |
| } |
|
|
| export function deriveAdaptiveContinuitySnapshot(params: { |
| inputs: AdaptiveContinuityInputs; |
| prior?: AdaptiveContinuityPrior; |
| }): AdaptiveContinuitySnapshot { |
| const ruleContinuityScore = deriveRuleContinuityScore(params.inputs); |
| const priorRule = params.prior?.ruleContinuityScore ?? ruleContinuityScore; |
| const priorAdaptive = params.prior?.adaptiveContinuityScore ?? ruleContinuityScore; |
| const focusFlux = params.inputs.focusStreak <= 1 ? 0.18 : 0; |
| const modeFlux = params.inputs.sameMode ? 0 : 0.12; |
| const scoreFlux = Math.abs(ruleContinuityScore - priorRule); |
| const retentionFlux = 1 - params.inputs.retainedRatio; |
| const flux = clamp01(scoreFlux + focusFlux + modeFlux + retentionFlux * 0.15); |
| const modulation = sigmoid((flux - 0.18) * 6); |
| const adaptiveRetention = clamp01(Math.max(0.55, Math.min(0.98, 1 - 0.35 * modulation))); |
| const adaptiveContinuityScore = clamp01( |
| adaptiveRetention * priorAdaptive + (1 - adaptiveRetention) * ruleContinuityScore, |
| ); |
|
|
| return { |
| ruleContinuityScore, |
| adaptiveContinuityScore, |
| adaptiveRetention, |
| flux, |
| }; |
| } |
|
|
