feat: extend notification system with batch sender, bulk dialog, and logging

Add NotificationLog schema extensions (nullable userId, email, roundId,
projectId, batchId fields), batch notification sender service, and bulk
notification dialog UI. Include utility scripts for debugging and seeding.

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

scripts/create-test-applicant.ts

@@ -0,0 +1,68 @@
+import { PrismaClient } from '@prisma/client'
+import crypto from 'crypto'
+import { sendInvitationEmail } from '../src/lib/email'
+
+const prisma = new PrismaClient()
+
+async function main() {
+  // Find a program to attach the project to
+  const program = await prisma.program.findFirst()
+  if (!program) throw new Error('No program found - run seed first')
+
+  // Create applicant user
+  const inviteToken = crypto.randomBytes(32).toString('hex')
+  const user = await prisma.user.create({
+    data: {
+      id: 'test_applicant_matt_ciaccio',
+      name: 'Matt Ciaccio',
+      email: 'matt.ciaccio@gmail.com',
+      role: 'APPLICANT',
+      roles: ['APPLICANT'],
+      status: 'INVITED',
+      mustSetPassword: true,
+      inviteToken,
+      inviteTokenExpiresAt: new Date(Date.now() + 72 * 60 * 60 * 1000),
+    },
+  })
+  console.log('Created user:', user.id)
+
+  // Create test project
+  const project = await prisma.project.create({
+    data: {
+      id: 'test_project_qa',
+      title: 'OceanWatch AI',
+      description: 'AI-powered ocean monitoring platform for marine conservation',
+      programId: program.id,
+      submittedByUserId: user.id,
+    },
+  })
+  console.log('Created project:', project.id)
+
+  // Create team member (LEAD)
+  await prisma.teamMember.create({
+    data: {
+      id: 'test_tm_lead',
+      projectId: project.id,
+      userId: user.id,
+      role: 'LEAD',
+    },
+  })
+  console.log('Created team member (LEAD)')
+
+  // Send styled invitation email
+  const url = `http://localhost:3000/accept-invite?token=${inviteToken}`
+  console.log('Invite URL:', url)
+
+  await sendInvitationEmail(
+    'matt.ciaccio@gmail.com',
+    'Matt Ciaccio',
+    url,
+    'APPLICANT',
+    72
+  )
+  console.log('Styled invitation email sent!')
+}
+
+main()
+  .catch(console.error)
+  .finally(() => prisma.$disconnect().then(() => process.exit(0)))