import type { UsageProviderKind } from "@t3tools/contracts"; import { ClaudeAI, GrokIcon, type Icon, OpenAI } from "../Icons"; type UsageProviderPresentation = {  readonly label: string;  readonly color: string;  readonly mark: Icon;}; /** * Exhaustive presentation for providers supported by the usage contract. * Declaration order is reused by every chart and table, so adding a provider * only requires its contract support and one entry here. */export const PROVIDER_PRESENTATION = {  codex: {    label: "Codex",    color: "var(--contrast-foreground)",    mark: OpenAI,  },  claude: {    label: "Claude Code",    color: "#d97757",    mark: ClaudeAI,  },  grok: {    label: "Grok Build",    // Contrast-aware neutral between the Codex series and muted chart chrome.    color: "color-mix(in oklab, var(--contrast-foreground) 72%, var(--background))",    mark: GrokIcon,  },} satisfies Record<UsageProviderKind, UsageProviderPresentation>; /** Stable provider reading order across charts, summaries, tables, and hover rows. */export const PROVIDER_ORDER = Object.keys(PROVIDER_PRESENTATION) as UsageProviderKind[]; /** Providers with real activity, independent of the metric currently displayed. */export function providersWithUsage(  totals: readonly {    readonly provider: UsageProviderKind;    readonly costUsd: number;    readonly totalTokens: number;  }[],): readonly UsageProviderKind[] {  const active = new Set(    totals      .filter((entry) => entry.totalTokens > 0 || entry.costUsd > 0)      .map((entry) => entry.provider),  );  return PROVIDER_ORDER.filter((provider) => active.has(provider));}