Jesse_ChenandCursor
be71104313
Rescored candidate sets were widening because new minutes stayed neutral. Derive support/conflict from varga signs and dasha segments, and announce range changes from facts rather than tool names. Co-authored-by: Cursor <cursoragent@cursor.com>
49 lines
1.5 KiB
TypeScript
49 lines
1.5 KiB
TypeScript
/**
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* Minute → varga-sign lookup from window-scan transitions.
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* Core must not import v9; callers that need type-table keys wrap this.
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*/
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export type TransitionSignLookup = Readonly<{
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layer: string;
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at: string;
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from_sign?: string;
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to_sign?: string;
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}>;
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const CLOCK = /^(?:[01]\d|2[0-3]):[0-5]\d$/;
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export function clockMinutes(time: string): number | null {
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const normalized = time.trim().slice(0, 5);
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if (!CLOCK.test(normalized)) return null;
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return Number(normalized.slice(0, 2)) * 60 + Number(normalized.slice(3, 5));
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}
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export function normalizeSignName(value: string | null | undefined): string | null {
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const trimmed = value?.trim() ?? "";
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if (!trimmed) return null;
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return trimmed.endsWith("座") ? trimmed : `${trimmed}座`;
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}
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export function signFromTransitions(
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transitions: readonly TransitionSignLookup[],
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layer: string,
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time: string,
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): string | null {
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const point = clockMinutes(time);
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if (point == null) return null;
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const ordered = transitions
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.filter((item) => item.layer === layer)
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.filter((item) => clockMinutes(item.at) != null)
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.slice()
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.sort((left, right) => (clockMinutes(left.at) ?? 0) - (clockMinutes(right.at) ?? 0));
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if (ordered.length === 0) return null;
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let sign = ordered[0]?.from_sign?.trim() || null;
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for (const item of ordered) {
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const at = clockMinutes(item.at);
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if (at == null) continue;
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if (at <= point) sign = item.to_sign?.trim() || sign;
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else break;
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}
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return sign || null;
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}
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