Method finalize

src/app/service/agent/service_worker/llm_client.ts:192–235

()

            // 保存模型生成的图片到 OPFS，然后转发事件
            const finalize = async () => {
              const savedBlocks: ContentBlock[] = [];
              for (const pending of pendingImageSaves) {
                try {
                  await this.chatRepo.saveAttachment(pending.block.attachmentId, pending.data);
                  savedBlocks.push(pending.block);
                  // 转发不含 data 的 content_block_complete 事件给 UI
                  sendEvent({ type: "content_block_complete", block: pending.block });
                } catch {
                  // 保存失败忽略
                }
              }

              // 提取文本中的 markdown 内联 base64 图片（某些 API 以 ![alt](data:image/...;base64,...) 形式返回图片）
              const imgRegex = /!\[([^\]]*)\]\((data:image\/([^;]+);base64,[A-Za-z0-9+/=\s]+)\)/g;
              let match;
              let cleanedContent = content;
              while ((match = imgRegex.exec(content)) !== null) {
                const [fullMatch, alt, dataUrl, subtype] = match;
                const mimeType = `image/${subtype}`;
                const ext = subtype || "png";
                const blockId = generateAttachmentId(ext);
                try {
                  await this.chatRepo.saveAttachment(blockId, dataUrl);
                  const block: ContentBlock = {
                    type: "image",
                    attachmentId: blockId,
                    mimeType,
                    name: alt || "generated-image",
                  };
                  savedBlocks.push(block);
                  sendEvent({ type: "content_block_complete", block });
                  cleanedContent = cleanedContent.replace(fullMatch, "");
                } catch {
                  // 保存失败保留原始 markdown
                }
              }
              // 清理提取图片后的多余空行
              if (cleanedContent !== content) {
                content = cleanedContent.replace(/\n{3,}/g, "\n\n").trim();
              }

              return savedBlocks.length > 0 ? savedBlocks : undefined;
            };

            finalize()
              .then((contentBlocks) => {