Method resolveMemoryContext

src/node/services/agentSession.ts:5539–5562

* Resolve the memory session context (index snapshot + optional hot block) * for the current session segment. * * Computed lazily on the first stream for each model. The first pass is * index-only so final tool policy can strip memory without paying hot-set * tokenization cost; if mem

(
    modelString: string,
    options?: { includeHotMemories?: boolean }
  )

   * empty/partial context for the whole segment.
   */
  private async resolveMemoryContext(
    modelString: string,
    options?: { includeHotMemories?: boolean }
  ): Promise<MemorySessionContext | undefined> {
    assert(modelString.length > 0, "resolveMemoryContext requires a model string");
    const includeHotMemories = options?.includeHotMemories !== false;
    const cached = this.memoryContextByModelString.get(modelString);
    if (cached && (cached.includesHotMemories || !includeHotMemories)) {
      return cached.context ?? undefined;
    }

    // Guard for test mocks that may not implement buildMemorySessionContext.
    const context =
      typeof this.aiService.buildMemorySessionContext === "function"
        ? await this.aiService.buildMemorySessionContext(this.workspaceId, modelString, {
            includeHotMemories,
          })
        : null;
    this.memoryContextByModelString.set(modelString, {
      context,
      includesHotMemories: includeHotMemories,
    });
    return context ?? undefined;
  }

  /**
   * Get post-compaction attachments if they should be injected this turn.