Method readPartial

src/node/services/historyService.ts:1159–1173

* Read the partial message for a workspace, if it exists.

(workspaceId: string)

   * Read the partial message for a workspace, if it exists.
   */
  async readPartial(workspaceId: string): Promise<MuxMessage | null> {
    try {
      const partialPath = this.getPartialPath(workspaceId);
      const data = await fs.readFile(partialPath, "utf-8");
      const message = JSON.parse(data) as MuxMessage;
      return normalizeLegacyMuxMetadata(message);
    } catch (error) {
      if (error && typeof error === "object" && "code" in error && error.code === "ENOENT") {
        return null;
      }

      log.error("Error reading partial:", error);
      return null;
    }
  }

  /**
   * Write a partial message to disk.