fix(box): address PR review comments

- Fix docsLink for Box Sign: use underscore (box_sign) to match docs URL
- Move normalizeFileInput from tool() to params() in Box block config to match Dropbox pattern
- Throw error on invalid additionalSigners JSON instead of silently dropping signers

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: waleedlatif1

apps/sim/blocks/blocks/box.ts

@@ -271,16 +271,14 @@ export const BoxBlock: BlockConfig = {
       'box_update_file',
     ],
     config: {
-      tool: (params) => {
+      tool: (params) => `box_${params.operation}`,
+      params: (params) => {
         const normalizedFile = normalizeFileInput(params.uploadFile || params.fileRef, {
           single: true,
         })
         if (normalizedFile) {
           params.file = normalizedFile
         }
-        return `box_${params.operation}`
-      },
-      params: (params) => {
         const { credential, operation, ...rest } = params
 
         const baseParams: Record<string, unknown> = {

apps/sim/blocks/blocks/box_sign.ts

@@ -10,7 +10,7 @@ export const BoxSignBlock: BlockConfig = {
     'Send documents for e-signature, check status, and manage sign requests with Box Sign',
   longDescription:
     'Integrate Box Sign into your workflow to send documents for e-signature. Create sign requests with multiple signers, track signing status, list all requests, cancel pending requests, and resend reminders. Ideal for offer letters, contracts, and other documents requiring signatures.',
-  docsLink: 'https://docs.sim.ai/tools/box-sign',
+  docsLink: 'https://docs.sim.ai/tools/box_sign',
   category: 'tools',
   bgColor: '#0061D5',
   icon: BoxCompanyIcon,

apps/sim/tools/box_sign/create_request.ts

@@ -147,7 +147,9 @@ export const boxSignCreateRequestTool: ToolConfig<BoxSignCreateRequestParams, Bo
             signers.push(...additional)
           }
         } catch {
-          // Ignore parse errors for additional signers
+          throw new Error(
+            'Invalid JSON in additionalSigners. Expected a JSON array of signer objects.'
+          )
         }
       }