Function resolveMemoryMode

src/context/memory-select.ts:31–35

(mode: MemoryMode | undefined, contextWindow: number | undefined, threshold = AUTO_LIGHTWEIGHT_BELOW)

 * small window (where every-fact injection would crowd out the task) and full on a roomy one. PURE.
 */
export function resolveMemoryMode(mode: MemoryMode | undefined, contextWindow: number | undefined, threshold = AUTO_LIGHTWEIGHT_BELOW): 'full' | 'lightweight' {
  if (mode === 'lightweight') return 'lightweight';
  if (mode === 'auto') return (contextWindow != null && contextWindow <= threshold) ? 'lightweight' : 'full';
  return 'full';
}

/** A fact is "important" (always injected) if it carries the `!important` marker (case-insensitive). */
export function isImportantFact(fact: string): boolean {