Function buildParams

src/main/windows/main.ts:802–806

(params: URLSearchParams)

    // Build URL params including optional chatId/subChatId
    const buildParams = (params: URLSearchParams) => {
      params.set("windowId", windowId)
      if (options?.chatId) params.set("chatId", options.chatId)
      if (options?.subChatId) params.set("subChatId", options.subChatId)
    }

    if (devServerUrl) {
      // Pass params via query for dev mode