Deleting a digest makes it sendable again

The dispatch timestamp survived the deletion, so removing a message in Slack
left the digest permanently swallowed. Deleting now rewinds the window to the
newest digest that still stands.

tests/lib/report-settings.test.ts

@@ -3,6 +3,7 @@ import { db } from '~/data/db'
 import { appSettings } from '~/data/schema'
 import { listReportRuns, writeSetting } from '~/data/repositories/settings'
 import { readSlackConfig, reportScope, runWeeklyReport } from '~/lib/report-settings'
+import { performDeleteMessage } from '~/lib/admin-settings'
 import { makeBrand, makeProject } from '../support/admin'
 import { makePost } from '../support/entries'
 
@@ -129,10 +130,10 @@ describe('Doppelter Versand', () => {
 
 		await makePost(project.id, { number: 1, slug: 'eins', status: 'published', publishAt: new Date() })
 		await writeSetting('slack.botToken', 'xoxb-1234')
-		await writeSetting('slack.channel', 'C123')
+		await writeSetting('slack.channel', 'C0123456')
 
 		vi.stubGlobal('fetch', vi.fn(async () => new Response(
-			JSON.stringify({ ok: true, channel: 'C123', ts: '1785600000.000100' }),
+			JSON.stringify({ ok: true, channel: 'C0123456', ts: '1785600000.000100' }),
 			{ headers: { 'content-type': 'application/json' } },
 		)))
 
@@ -143,3 +144,37 @@ describe('Doppelter Versand', () => {
 		expect(second.reason).toBe('nothing_published')
 	})
 })
+
+describe('Löschen nimmt den Versand zurück', () => {
+	it('macht den Bericht nach dem Löschen wieder sendbar', async () => {
+		const brand = await makeBrand()
+		const project = await makeProject(brand.id)
+
+		await makePost(project.id, { number: 1, slug: 'eins', status: 'published', publishAt: new Date() })
+		await writeSetting('slack.botToken', 'xoxb-1234')
+		await writeSetting('slack.channel', 'C0123456')
+
+		vi.stubGlobal('fetch', vi.fn(async () => new Response(
+			JSON.stringify({ ok: true, channel: 'C0123456', ts: '1785600000.000100' }),
+			{ headers: { 'content-type': 'application/json' } },
+		)))
+
+		const first = await runWeeklyReport({ origin, trigger: 'test' })
+
+		expect(first.reason).toBe('sent')
+		expect((await runWeeklyReport({ origin, trigger: 'test' })).reason).toBe('nothing_published')
+
+		const form = new FormData()
+
+		form.set('runId', first.run.id)
+
+		const deleted = await performDeleteMessage(
+			{ id: 'u1', name: 'Admin', email: '[email protected]', isAdmin: true, assignments: [] },
+			form,
+		)
+
+		expect(deleted.message).toBe('messageDeleted')
+		expect(deleted.status).toBe('ok')
+		expect((await runWeeklyReport({ origin, trigger: 'test' })).reason).toBe('sent')
+	})
+})