fix(slack): accept scalar checkbox values in List responses

Author: TheodoreSpeaks

apps/docs/content/docs/integrations/slack.mdx

@@ -1580,7 +1580,7 @@ Read a page of Slack List rows and optionally its column schema. Pass nextCursor
 |     ↳ `user` | array | Slack user IDs |
 |     ↳ `channel` | array | Slack channel IDs |
 |     ↳ `attachment` | array | Slack file IDs |
-|     ↳ `checkbox` | array | Checkbox values in responses; write a scalar boolean |
+|     ↳ `checkbox` | json | Checkbox boolean or boolean array returned by Slack; write a scalar boolean |
 |     ↳ `email` | array | Email values |
 |     ↳ `phone` | array | Phone values |
 |     ↳ `rating` | array | Rating values |
@@ -1635,7 +1635,7 @@ Read a Slack List row and its parent List column schema.
 |     ↳ `user` | array | Slack user IDs |
 |     ↳ `channel` | array | Slack channel IDs |
 |     ↳ `attachment` | array | Slack file IDs |
-|     ↳ `checkbox` | array | Checkbox values in responses; write a scalar boolean |
+|     ↳ `checkbox` | json | Checkbox boolean or boolean array returned by Slack; write a scalar boolean |
 |     ↳ `email` | array | Email values |
 |     ↳ `phone` | array | Phone values |
 |     ↳ `rating` | array | Rating values |
@@ -1691,7 +1691,7 @@ Create a Slack List row using real column IDs and typed cell values. Text column
 |     ↳ `user` | array | Slack user IDs |
 |     ↳ `channel` | array | Slack channel IDs |
 |     ↳ `attachment` | array | Slack file IDs |
-|     ↳ `checkbox` | array | Checkbox values in responses; write a scalar boolean |
+|     ↳ `checkbox` | json | Checkbox boolean or boolean array returned by Slack; write a scalar boolean |
 |     ↳ `email` | array | Email values |
 |     ↳ `phone` | array | Phone values |
 |     ↳ `rating` | array | Rating values |

apps/sim/tools/generated/tool-outputs.ts

@@ -242,6 +242,37 @@ describe('Slack Lists responses', () => {
     )
     expect(empty.output.list?.schema).toEqual(schema)
   })
+  it.each([false, true, [false], [true]])(
+    'preserves checkbox response %j across row operations',
+    async (checkbox) => {
+      const row = {
+        ...item,
+        fields: [{ column_id: 'Col1', key: 'done', value: false, checkbox }],
+      }
+      const created = await slackListsItemsCreateTool.transformResponse!(
+        Response.json({ ok: true, item: row })
+      )
+      const page = await slackListsItemsListTool.transformResponse!(
+        Response.json({ ok: true, items: [row], list })
+      )
+      const info = await slackListsItemsInfoTool.transformResponse!(
+        Response.json({ ok: true, record: row, list })
+      )
+      expect(created.output.item.fields).toEqual(row.fields)
+      expect(page.output.items[0].fields).toEqual(row.fields)
+      expect(info.output.item.fields).toEqual(row.fields)
+    }
+  )
+  it.each([null, 'false', 0, ['false']])(
+    'rejects malformed checkbox response %j',
+    async (checkbox) => {
+      await expect(
+        slackListsItemsCreateTool.transformResponse!(
+          Response.json({ ok: true, item: { ...item, fields: [{ column_id: 'Col1', checkbox }] } })
+        )
+      ).rejects.toThrow()
+    }
+  )
   it('reads items.info from record, and items.create from item', async () => {
     expect(
       (

apps/sim/tools/slack_lists/operations.test.ts

@@ -161,10 +161,10 @@ export const LIST_ITEM_OUTPUT_PROPERTIES = {
           items: { type: 'string' },
         },
         checkbox: {
-          type: 'array',
+          type: 'json',
           optional: true,
-          description: 'Checkbox values in responses; write a scalar boolean',
-          items: { type: 'boolean' },
+          description:
+            'Checkbox boolean or boolean array returned by Slack; write a scalar boolean',
         },
         email: {
           type: 'array',

apps/sim/tools/slack_lists/types.ts

@@ -19,7 +19,7 @@ export const listFieldResponseSchema = z
     user: z.array(z.string()).optional(),
     channel: z.array(z.string()).optional(),
     attachment: z.array(z.string()).optional(),
-    checkbox: z.array(z.boolean()).optional(),
+    checkbox: z.union([z.boolean(), z.array(z.boolean())]).optional(),
     email: z.array(z.string()).optional(),
     phone: z.array(z.string()).optional(),
     rating: z.array(z.number()).optional(),