Auto-assign projects to first round, auto-filter on close, pipeline UX consolidation

- New projects (admin create, CSV import, public form) auto-assign to program's
  first round (by sortOrder) when no round is specified
- Closing a FILTERING round auto-starts filtering job (configurable via
  autoFilterOnClose setting, defaults to true)
- Add SUBMISSION_RECEIVED notification type for confirming submissions
- Replace separate List/Pipeline toggle with integrated pipeline view below
  the sortable round list
- Add autoFilterOnClose toggle to filtering round type settings UI

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

src/server/routers/project.ts

@@ -8,6 +8,7 @@ import {
   notifyProjectTeam,
   NotificationTypes,
 } from '../services/in-app-notification'
+import { getFirstRoundForProgram } from '@/server/utils/round-helpers'
 import { normalizeCountryToCode } from '@/lib/countries'
 import { logAudit } from '../utils/audit'
 import { sendInvitationEmail } from '@/lib/email'
@@ -459,10 +460,19 @@ export const projectRouter = router({
         : undefined
 
       const { project, membersToInvite } = await ctx.prisma.$transaction(async (tx) => {
+        // Auto-assign to first round if no roundId provided
+        let resolvedRoundId = input.roundId || null
+        if (!resolvedRoundId) {
+          const firstRound = await getFirstRoundForProgram(tx, resolvedProgramId)
+          if (firstRound) {
+            resolvedRoundId = firstRound.id
+          }
+        }
+
         const created = await tx.project.create({
           data: {
             programId: resolvedProgramId,
-            roundId: input.roundId || null,
+            roundId: resolvedRoundId,
             title: input.title,
             teamName: input.teamName,
             description: input.description,
@@ -882,6 +892,15 @@ export const projectRouter = router({
         }
       }
 
+      // Auto-assign to first round if no roundId provided
+      let resolvedImportRoundId = input.roundId || null
+      if (!resolvedImportRoundId) {
+        const firstRound = await getFirstRoundForProgram(ctx.prisma, input.programId)
+        if (firstRound) {
+          resolvedImportRoundId = firstRound.id
+        }
+      }
+
       // Create projects in a transaction
       const result = await ctx.prisma.$transaction(async (tx) => {
         // Create all projects with roundId and programId
@@ -890,7 +909,7 @@ export const projectRouter = router({
           return {
             ...rest,
             programId: input.programId,
-            roundId: input.roundId!,
+            roundId: resolvedImportRoundId,
             status: 'SUBMITTED' as const,
             metadataJson: metadataJson as Prisma.InputJsonValue ?? undefined,
           }