Function buildSurfaceKey

src/utils/commitAttribution.ts:237–239

(surface: string, model: ModelName)

 * Format: "surface/model" (e.g., "cli/claude-sonnet")
 */
export function buildSurfaceKey(surface: string, model: ModelName): string {
  return `${surface}/${getCanonicalName(model)}`
}

/**
 * Compute SHA-256 hash of content.