feat: brainstorm sessions, PDF document Q&A, embedding fixes, and UI improvements
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- Add brainstorm feature with collaborative canvas, AI idea generation, live cursors, playback, and export
- Add PDF upload/extraction/ingestion pipeline with pgvector document search (RAG)
- Add document Q&A overlay with streaming chat and PDF preview
- Add note attachments UI with status polling, grid layout, and auto-scroll
- Add task extraction AI tool and agent executor improvements
- Fix NoteEmbedding missing updatedAt column, re-index 66 notes with 1536-dim embeddings
- Fix brainstorm 'Create Note' button: add success toast and redirect to created note
- Fix memory echo notification infinite polling
- Fix chat route to always include document_search tool
- Add brainstorm i18n keys across all 14 locales
- Add socket server for real-time brainstorm collaboration
- Add hierarchical notebook selector and organize notebook dialog improvements
- Add sidebar brainstorm section with session management
- Update prisma schema with brainstorm tables, attachments, and document chunks
This commit is contained in:
Antigravity
2026-05-14 17:43:21 +00:00
parent 195e845f0a
commit 1fcea6ed7d
228 changed files with 57656 additions and 1059 deletions

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import { NextRequest, NextResponse } from 'next/server'
import prisma from '@/lib/prisma'
import { auth } from '@/auth'
import { verifyParticipant } from '@/lib/brainstorm-collab'
export async function GET(
request: NextRequest,
{ params }: { params: Promise<{ sessionId: string }> }
) {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
try {
const { sessionId } = await params
const { isParticipant } = await verifyParticipant(sessionId, session.user.id)
if (!isParticipant) {
return NextResponse.json({ error: 'Not a participant' }, { status: 403 })
}
const activities = await prisma.brainstormActivity.findMany({
where: { sessionId },
orderBy: { createdAt: 'desc' },
take: 50,
include: {
user: { select: { id: true, name: true, image: true } },
},
})
return NextResponse.json({
success: true,
data: activities.map(a => ({
id: a.id,
action: a.action,
details: a.details ? JSON.parse(a.details) : null,
createdAt: a.createdAt,
user: a.user ? { name: a.user.name, image: a.user.image } : null,
})),
})
} catch (error) {
console.error('Error fetching activity:', error)
return NextResponse.json({ error: 'Failed to fetch activity' }, { status: 500 })
}
}

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import { NextRequest, NextResponse } from 'next/server'
import prisma from '@/lib/prisma'
import { auth } from '@/auth'
import { z } from 'zod'
const convertSchema = z.object({
ideaId: z.string().min(1),
})
export async function POST(
request: NextRequest,
{ params }: { params: Promise<{ sessionId: string }> }
) {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
try {
const { sessionId } = await params
const body = await request.json()
const { ideaId } = convertSchema.parse(body)
const brainstormSession = await prisma.brainstormSession.findFirst({
where: {
id: sessionId,
OR: [
{ userId: session.user.id },
{ participants: { some: { userId: session.user.id } } },
],
},
})
if (!brainstormSession) {
return NextResponse.json({ error: 'Session not found' }, { status: 404 })
}
const idea = await prisma.brainstormIdea.findFirst({
where: { id: ideaId, sessionId },
include: { noteRefs: { include: { note: true } } },
})
if (!idea) {
return NextResponse.json({ error: 'Idea not found' }, { status: 404 })
}
if (idea.status === 'converted') {
return NextResponse.json({ error: 'Already converted' }, { status: 400 })
}
let sourceSection = ''
let targetNotebookId: string | null = null
if (brainstormSession.exportedNoteId) {
const exportedNote = await prisma.note.findUnique({
where: { id: brainstormSession.exportedNoteId },
select: { notebookId: true },
})
if (exportedNote?.notebookId) {
targetNotebookId = exportedNote.notebookId
}
}
if (!targetNotebookId && brainstormSession.sourceNoteId) {
const sourceNote = await prisma.note.findUnique({
where: { id: brainstormSession.sourceNoteId },
select: { title: true, id: true, notebookId: true },
})
if (sourceNote) {
sourceSection = `\n\n**Source note**: [${sourceNote.title || 'Untitled'}](note:${sourceNote.id})`
targetNotebookId = sourceNote.notebookId
}
}
if (!targetNotebookId) {
const notebookName = brainstormSession.seedIdea.length > 40
? brainstormSession.seedIdea.substring(0, 40).trim() + '…'
: brainstormSession.seedIdea
let notebook = await prisma.notebook.findFirst({
where: { userId: session.user.id, name: notebookName, trashedAt: null },
})
if (!notebook) {
const notebookCount = await prisma.notebook.count({ where: { userId: session.user.id, trashedAt: null } })
notebook = await prisma.notebook.create({
data: { userId: session.user.id, name: notebookName, order: notebookCount, icon: 'wind' },
})
}
targetNotebookId = notebook.id
}
let originSection = ''
const validRefs = idea.noteRefs.filter(r => r.noteId && r.note)
if (validRefs.length > 0) {
originSection = '\n\n## Origin\n'
for (const ref of validRefs) {
const relLabel = {
derived_from: 'Derived from',
opposes: 'In opposition with',
extends: 'Extends',
synthesizes: 'Synthesizes',
transposes: 'Transposes',
}[ref.relation] || 'Related to'
originSection += `- **${relLabel}** [${ref.note?.title || 'Untitled'}](note:${ref.noteId}): ${ref.explanation}\n`
}
}
const noteContent = `# ${idea.title}\n\n${idea.description}\n\n---\n\n**Connection to seed**: ${idea.connectionToSeed || 'N/A'}\n**Novelty score**: ${idea.noveltyScore || 'N/A'}/10\n\n**Source brainstorm**: "${brainstormSession.seedIdea}"${sourceSection}${originSection}`
const note = await prisma.note.create({
data: {
userId: session.user.id,
title: idea.title,
content: noteContent,
type: 'markdown',
labels: JSON.stringify(['brainstorm', 'idée']),
notebookId: targetNotebookId,
},
})
const tagPromises: Promise<any>[] = []
tagPromises.push(
prisma.brainstormIdea.update({
where: { id: ideaId },
data: {
status: 'converted',
convertedToNoteId: note.id,
},
})
)
tagPromises.push(
prisma.brainstormNoteRef.updateMany({
where: { ideaId },
data: { verdict: 'accepted' },
})
)
for (const ref of validRefs) {
const existingLabels: string[] = (() => {
try { return JSON.parse((ref.note as any)?.labels || '[]') } catch { return [] }
})()
if (!existingLabels.includes('brainstorm-fruitful')) {
existingLabels.push('brainstorm-fruitful')
tagPromises.push(
prisma.note.update({
where: { id: ref.noteId! },
data: { labels: JSON.stringify(existingLabels) },
})
)
}
}
await prisma.$transaction(tagPromises)
return NextResponse.json({ success: true, data: note }, { status: 201 })
} catch (error: any) {
if (error instanceof z.ZodError) {
return NextResponse.json({ error: error.issues }, { status: 400 })
}
console.error('Error converting idea:', error)
return NextResponse.json(
{ error: error.message || 'Failed to convert idea' },
{ status: 500 }
)
}
}

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import { NextRequest, NextResponse } from 'next/server'
import prisma from '@/lib/prisma'
import { auth } from '@/auth'
import { z } from 'zod'
import { verifyParticipant, logActivity, captureSnapshot } from '@/lib/brainstorm-collab'
const dismissSchema = z.object({
ideaId: z.string().min(1),
})
export async function POST(
request: NextRequest,
{ params }: { params: Promise<{ sessionId: string }> }
) {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
try {
const { sessionId } = await params
const body = await request.json()
const { ideaId } = dismissSchema.parse(body)
const brainstormSession = await prisma.brainstormSession.findFirst({
where: { id: sessionId },
})
if (!brainstormSession) {
return NextResponse.json({ error: 'Session not found' }, { status: 404 })
}
const { isParticipant } = await verifyParticipant(sessionId, session.user.id, 'editor')
if (!isParticipant) {
return NextResponse.json({ error: 'No edit permission' }, { status: 403 })
}
const idea = await prisma.brainstormIdea.findFirst({
where: { id: ideaId, sessionId },
})
if (!idea) {
return NextResponse.json({ error: 'Idea not found' }, { status: 404 })
}
await prisma.$transaction([
prisma.brainstormIdea.update({
where: { id: ideaId },
data: { status: 'dismissed' },
}),
prisma.brainstormNoteRef.updateMany({
where: { ideaId },
data: { verdict: 'dismissed' },
}),
])
await logActivity(sessionId, 'idea_dismissed', session.user.id, { ideaTitle: idea.title })
await captureSnapshot(sessionId, `Dismissed: ${idea.title}`).catch(() => {})
return NextResponse.json({ success: true })
} catch (error: any) {
if (error instanceof z.ZodError) {
return NextResponse.json({ error: error.issues }, { status: 400 })
}
console.error('Error dismissing idea:', error)
return NextResponse.json(
{ error: error.message || 'Failed to dismiss idea' },
{ status: 500 }
)
}
}

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import { NextRequest, NextResponse } from 'next/server'
import prisma from '@/lib/prisma'
import { auth } from '@/auth'
import { z } from 'zod'
import { getTagsProvider } from '@/lib/ai/factory'
import { getSystemConfig } from '@/lib/config'
import { embeddingService } from '@/lib/ai/services/embedding.service'
import {
verifyParticipant,
resolveAiContextUserId,
sanitizeNotesForGuest,
captureSnapshot,
} from '@/lib/brainstorm-collab'
const expandSchema = z.object({
ideaId: z.string().min(1),
locale: z.string().optional(),
})
interface ParentNoteRef {
noteId: string | null
relation: string
explanation: string
noteTitle?: string | null
noteSnippet?: string
}
// [UPDATE - SÉCURITÉ] allowedNoteIds : null = hôte (accès total), string[] = invité (IDs publics uniquement)
async function getParentContext(
ideaId: string,
hostUserId: string,
allowedNoteIds: string[] | null
): Promise<{ notes: ParentNoteRef[]; noteIds: string[] }> {
const refs = await prisma.brainstormNoteRef.findMany({
where: { ideaId },
include: { note: { select: { id: true, title: true, content: true } } },
})
let noteIds = refs.map(r => r.noteId).filter(Boolean) as string[]
const notes: ParentNoteRef[] = refs.map(r => ({
noteId: r.noteId,
relation: r.relation,
explanation: r.explanation,
noteTitle: r.note?.title || null,
noteSnippet: (r.note?.content || '').slice(0, 200),
}))
// [UPDATE - SÉCURITÉ] Enrichissement vectoriel uniquement pour l'hôte
const isGuest = allowedNoteIds !== null
if (!isGuest && noteIds.length < 3) {
try {
const idea = await prisma.brainstormIdea.findUnique({ where: { id: ideaId } })
if (idea) {
const embedding = await embeddingService.generateEmbedding(`${idea.title} ${idea.description}`)
const vectorStr = embeddingService.toVectorString(embedding.embedding)
const excludeList = noteIds.length > 0
? noteIds.map(id => `'${id}'`).join(',')
: "''"
const extra = await prisma.$queryRawUnsafe(
`SELECT n.id, n.title
FROM "NoteEmbedding" e
JOIN "Note" n ON n.id = e."noteId"
WHERE n."userId" = $1 AND n."trashedAt" IS NULL AND n.id NOT IN (${excludeList})
ORDER BY e.embedding <=> $2::vector
LIMIT 5`,
hostUserId, vectorStr
) as any[]
for (const n of extra) {
if (!noteIds.includes(n.id)) {
noteIds.push(n.id)
notes.push({ noteId: n.id, relation: 'extends', explanation: `Related to your note "${n.title}"`, noteTitle: n.title })
}
}
}
} catch {}
}
// [UPDATE - SÉCURITÉ] Filtrer selon les permissions invité
if (isGuest) {
const allowedSet = new Set(allowedNoteIds)
return {
notes: notes.filter(n => n.noteId === null || allowedSet.has(n.noteId!)),
noteIds: noteIds.filter(id => allowedSet.has(id)),
}
}
return { notes, noteIds }
}
function buildExpandPromptV2(
parentTitle: string,
parentDesc: string,
seedIdea: string,
parentRefs: ParentNoteRef[],
extraNotes: { id: string; title: string; snippet: string }[],
locale?: string
): string {
let notesSection = ''
const allNotes = [
...parentRefs.filter(r => r.noteId).map(r => ({
id: r.noteId!,
title: r.noteTitle || 'Untitled',
snippet: r.noteSnippet || '',
relation: r.relation,
})),
...extraNotes,
]
if (allNotes.length > 0) {
notesSection = `\nUSER'S NOTES (context from parent idea and knowledge base):\n`
notesSection += allNotes.map(n => `- [ID: ${n.id}] "${n.title}": ${n.snippet || 'See note for details'}`).join('\n')
}
return `You are a creative brainstorming assistant. The user wants to DEEPEN a specific idea from a brainstorming session. Generate 3 waves of sub-ideas that CROSS with the user's existing notes.
ORIGINAL SESSION SEED: ${seedIdea}
PARENT IDEA TO EXPAND: ${parentTitle}: ${parentDesc}
${notesSection}
GENERATION RULES:
WAVE 1 — VARIATIONS (3 sub-ideas):
- Direct expansions, details, or implementations of the parent idea
- At least 1 should build on a note referenced above
WAVE 2 — ANALOGIES (3 sub-ideas):
- Cross-domain parallels from other fields
- At least 1 should transpose a pattern from the user's notes
WAVE 3 — DISRUPTIONS (3 sub-ideas):
- Radical inversions or challenges to the parent idea
- At least 1 should synthesize or oppose a note concept
RESPOND ONLY with a valid JSON array of 9 objects:
{
"wave": number (1, 2, or 3),
"title": string (short, 2-6 words),
"description": string (1-2 sentences, specific and actionable),
"connectionToSeed": string (how it relates to the parent idea),
"noveltyScore": number (1-10),
"noteRefs": [
{
"noteId": string (must match an ID provided above, or null),
"relation": "derived_from" | "opposes" | "extends" | "synthesizes" | "transposes",
"explanation": string
}
]
}
CRITICAL: Each idea MUST have at least 1 noteRef when notes are provided.
LANGUAGE: You MUST write ALL titles, descriptions, connectionToSeed, and explanation fields in ${locale === 'fr' ? 'French' : locale === 'es' ? 'Spanish' : locale === 'de' ? 'German' : locale === 'it' ? 'Italian' : locale === 'pt' ? 'Portuguese' : locale === 'nl' ? 'Dutch' : locale === 'ru' ? 'Russian' : locale === 'zh' ? 'Chinese' : locale === 'ja' ? 'Japanese' : locale === 'ko' ? 'Korean' : locale === 'ar' ? 'Arabic' : locale === 'fa' ? 'Farsi' : locale === 'hi' ? 'Hindi' : locale === 'pl' ? 'Polish' : 'the same language as the seed idea'}.`
}
export async function POST(
request: NextRequest,
{ params }: { params: Promise<{ sessionId: string }> }
) {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
try {
const { sessionId } = await params
const body = await request.json()
const { ideaId, locale } = expandSchema.parse(body)
// [UPDATE - SÉCURITÉ] Vérification du rôle participant (couvre hôte + invités éditeurs)
const { isParticipant } = await verifyParticipant(sessionId, session.user.id, 'editor')
if (!isParticipant) {
return NextResponse.json({ error: 'No edit permission' }, { status: 403 })
}
const brainstormSession = await prisma.brainstormSession.findFirst({
where: { id: sessionId },
include: { ideas: true },
})
if (!brainstormSession) {
return NextResponse.json({ error: 'Session not found' }, { status: 404 })
}
const parentIdea = brainstormSession.ideas.find(i => i.id === ideaId)
if (!parentIdea) {
return NextResponse.json({ error: 'Idea not found' }, { status: 404 })
}
// [UPDATE - SÉCURITÉ] Résoudre le périmètre de notes autorisé selon le rôle
const { isGuest, publicNoteIds, aiUserId } = await resolveAiContextUserId(sessionId, session.user.id)
const { notes: parentRefs, noteIds } = await getParentContext(ideaId, aiUserId, isGuest ? (publicNoteIds ?? []) : null)
let extraNotes: { id: string; title: string; snippet: string }[] = []
if (noteIds.length > 0) {
const dbNotes = await prisma.note.findMany({
where: { id: { in: noteIds }, trashedAt: null },
select: { id: true, title: true, content: true },
})
const rawNotes = dbNotes.map(n => ({ id: n.id, title: n.title || 'Untitled', summary: (n.content || '').slice(0, 200) }))
// [UPDATE - SÉCURITÉ] Sanitize le contenu si invité
const sanitized = isGuest ? sanitizeNotesForGuest(rawNotes) : rawNotes
extraNotes = sanitized.map(n => ({ id: n.id, title: n.title, snippet: n.summary }))
}
const config = await getSystemConfig()
const provider = getTagsProvider(config)
const prompt = buildExpandPromptV2(
parentIdea.title,
parentIdea.description,
brainstormSession.seedIdea,
parentRefs,
extraNotes,
locale
)
const llmResponse = await provider.generateText(prompt)
let newIdeas: any[]
try {
const cleaned = llmResponse.replace(/```json\n?/g, '').replace(/```\n?/g, '').trim()
newIdeas = JSON.parse(cleaned)
if (!Array.isArray(newIdeas)) throw new Error('Not an array')
} catch {
const pickNote = (idx: number) => {
const n = extraNotes[idx % extraNotes.length]
return n ? { noteId: n.id, relation: 'extends' as const, explanation: `Related to "${n.title}"` } : { noteId: null, relation: 'extends' as const, explanation: 'Purely generative' }
}
newIdeas = [
{ wave: 1, title: 'Sub-variation A', description: 'Direct expansion.', connectionToSeed: 'Expansion', noveltyScore: 4, noteRefs: [pickNote(0)] },
{ wave: 1, title: 'Sub-variation B', description: 'Another angle.', connectionToSeed: 'Detail', noveltyScore: 5, noteRefs: [pickNote(1)] },
{ wave: 1, title: 'Sub-variation C', description: 'Implementation detail.', connectionToSeed: 'Implementation', noveltyScore: 3, noteRefs: [pickNote(2)] },
{ wave: 2, title: 'Sub-analogy A', description: 'Cross-domain parallel.', connectionToSeed: 'Analogy', noveltyScore: 7, noteRefs: [pickNote(0)] },
{ wave: 2, title: 'Sub-analogy B', description: 'From another field.', connectionToSeed: 'Parallel', noveltyScore: 6, noteRefs: [pickNote(1)] },
{ wave: 2, title: 'Sub-analogy C', description: 'Inspired by nature.', connectionToSeed: 'Bio-inspired', noveltyScore: 7, noteRefs: [pickNote(2)] },
{ wave: 3, title: 'Sub-disruption A', description: 'Challenge assumption.', connectionToSeed: 'Inversion', noveltyScore: 9, noteRefs: [{ ...pickNote(0), relation: 'opposes' as const }] },
{ wave: 3, title: 'Sub-disruption B', description: 'Remove constraint.', connectionToSeed: 'Removal', noveltyScore: 8, noteRefs: [{ ...pickNote(1), relation: 'synthesizes' as const }] },
{ wave: 3, title: 'Sub-disruption C', description: 'Radical reframe.', connectionToSeed: 'Reframe', noveltyScore: 10, noteRefs: [pickNote(2)] },
]
}
const validNoteIds = new Set(extraNotes.map(n => n.id))
for (let idx = 0; idx < newIdeas.length; idx++) {
const idea = newIdeas[idx]
const angle = (idx % 3) * (2 * Math.PI / 3) + (idea.wave - 1) * 0.5
const baseRadius = 150
const parentRadius = (parentIdea.positionX && parentIdea.positionY)
? Math.sqrt(parentIdea.positionX ** 2 + parentIdea.positionY ** 2)
: 0
const radius = parentRadius + idea.wave * baseRadius
const baseAngle = (parentIdea.positionX && parentIdea.positionY)
? Math.atan2(parentIdea.positionY, parentIdea.positionX)
: 0
const created = await prisma.brainstormIdea.create({
data: {
sessionId,
waveNumber: idea.wave || Math.floor(idx / 3) + 1,
title: idea.title || `Idea ${idx + 1}`,
description: idea.description || '',
connectionToSeed: idea.connectionToSeed || null,
noveltyScore: idea.noveltyScore || null,
parentIdeaId: ideaId,
positionX: Math.cos(baseAngle + angle) * radius,
positionY: Math.sin(baseAngle + angle) * radius,
},
})
if (idea.noteRefs && Array.isArray(idea.noteRefs)) {
for (const ref of idea.noteRefs) {
const noteId = ref.noteId && validNoteIds.has(ref.noteId) ? ref.noteId : null
await prisma.brainstormNoteRef.create({
data: {
ideaId: created.id,
noteId,
relation: ref.relation || 'extends',
explanation: ref.explanation || '',
},
})
}
}
}
const updatedSession = await prisma.brainstormSession.findUnique({
where: { id: sessionId },
include: {
ideas: {
orderBy: [{ waveNumber: 'asc' }, { createdAt: 'asc' }],
include: {
noteRefs: {
include: {
note: { select: { id: true, title: true } },
},
},
},
},
},
})
const cIds = [...new Set((updatedSession?.ideas || []).map((i: any) => i.createdBy).filter(Boolean))]
if (cIds.length > 0) {
const crs = await prisma.user.findMany({ where: { id: { in: cIds } }, select: { id: true, name: true, image: true } })
const cm = new Map(crs.map((c: any) => [c.id, c]))
for (const idea of updatedSession?.ideas || []) { (idea as any).creator = (idea as any).createdBy ? cm.get((idea as any).createdBy) || null : null }
}
await captureSnapshot(sessionId, `Wave expanded: ${parentIdea.title}`).catch(() => {})
return NextResponse.json({ success: true, data: updatedSession })
} catch (error: any) {
if (error instanceof z.ZodError) {
return NextResponse.json({ error: error.issues }, { status: 400 })
}
console.error('Error expanding idea:', error)
return NextResponse.json(
{ error: error.message || 'Failed to expand idea' },
{ status: 500 }
)
}
}

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import { NextRequest, NextResponse } from 'next/server'
import prisma from '@/lib/prisma'
import { auth } from '@/auth'
import { verifyParticipant } from '@/lib/brainstorm-collab'
export async function POST(
request: NextRequest,
{ params }: { params: Promise<{ sessionId: string }> }
) {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
try {
const { sessionId } = await params
const brainstormSession = await prisma.brainstormSession.findFirst({
where: {
id: sessionId,
OR: [
{ userId: session.user.id },
{ participants: { some: { userId: session.user.id } } },
],
},
include: {
ideas: {
orderBy: [{ waveNumber: 'asc' }, { createdAt: 'asc' }],
include: {
noteRefs: {
include: {
note: { select: { id: true, title: true } },
},
},
},
},
},
})
if (!brainstormSession) {
return NextResponse.json({ error: 'Session not found' }, { status: 404 })
}
if (brainstormSession.exportedNoteId) {
const existingNote = await prisma.note.findUnique({
where: { id: brainstormSession.exportedNoteId },
})
if (existingNote) {
return NextResponse.json({ success: true, data: existingNote })
}
}
const waveLabels: Record<number, string> = {
1: '🔄 Variations',
2: '🔗 Analogies',
3: '💥 Disruptions',
}
const activeIdeas = brainstormSession.ideas.filter(i => i.status !== 'dismissed')
const convertedIdeas = brainstormSession.ideas.filter(i => i.status === 'converted')
const dismissedCount = brainstormSession.ideas.filter(i => i.status === 'dismissed').length
let markdown = `# Brainstorm: ${brainstormSession.seedIdea}\n\n`
markdown += `> Generated on ${brainstormSession.createdAt.toLocaleDateString()}\n\n`
markdown += `---\n\n`
markdown += `**Summary**: ${activeIdeas.length} active ideas, ${convertedIdeas.length} converted to notes, ${dismissedCount} dismissed.\n\n`
for (let wave = 1; wave <= 3; wave++) {
const waveIdeas = activeIdeas.filter(i => i.waveNumber === wave)
if (waveIdeas.length === 0) continue
markdown += `## ${waveLabels[wave] || `Wave ${wave}`}\n\n`
for (const idea of waveIdeas) {
const statusIcon = idea.status === 'converted' ? '✅' : idea.status === 'dismissed' ? '❌' : '💡'
markdown += `### ${statusIcon} ${idea.title}\n`
markdown += `${idea.description}\n\n`
markdown += `- **Connection**: ${idea.connectionToSeed || 'N/A'}\n`
markdown += `- **Novelty**: ${idea.noveltyScore || 'N/A'}/10\n`
const validRefs = (idea.noteRefs || []).filter(r => r.noteId && r.note)
if (validRefs.length > 0) {
markdown += `- **Origin**:\n`
for (const ref of validRefs) {
const relLabel = {
derived_from: 'Derived from',
opposes: 'Opposes',
extends: 'Extends',
synthesizes: 'Synthesizes',
transposes: 'Transposes',
}[ref.relation] || 'Related to'
markdown += ` - ${relLabel} [${ref.note?.title || 'Untitled'}](note:${ref.noteId}): ${ref.explanation}\n`
}
}
if (idea.convertedToNoteId) {
markdown += `- **→ Converted to note**: ${idea.convertedToNoteId}\n`
}
if (idea.parentIdeaId) {
const parent = brainstormSession.ideas.find(i => i.id === idea.parentIdeaId)
if (parent) {
markdown += `- **Parent idea**: ${parent.title}\n`
}
}
markdown += `\n`
}
}
const allReferencedNoteIds = new Set<string>()
for (const idea of brainstormSession.ideas) {
for (const ref of idea.noteRefs || []) {
if (ref.noteId) allReferencedNoteIds.add(ref.noteId)
}
}
if (allReferencedNoteIds.size > 0) {
markdown += `---\n\n## Notes sollicitées\n\n`
const refNotes = await prisma.note.findMany({
where: { id: { in: Array.from(allReferencedNoteIds) } },
select: { id: true, title: true },
})
for (const note of refNotes) {
const refsForNote = brainstormSession.ideas.flatMap(i =>
(i.noteRefs || []).filter(r => r.noteId === note.id)
)
const accepted = refsForNote.filter(r => r.verdict === 'accepted').length
const dismissed = refsForNote.filter(r => r.verdict === 'dismissed').length
const verdictStr = accepted > 0 ? `${accepted} idea(s) accepted` : dismissed > 0 ? `❌ all dismissed` : '⏳ unresolved'
markdown += `- [${note.title || 'Untitled'}](note:${note.id}) — ${verdictStr}\n`
}
markdown += `\n`
}
if (convertedIdeas.length > 0) {
markdown += `## Converted Notes\n\n`
const convertedNoteIds = convertedIdeas
.map(i => i.convertedToNoteId)
.filter(Boolean) as string[]
if (convertedNoteIds.length > 0) {
const notes = await prisma.note.findMany({
where: { id: { in: convertedNoteIds } },
select: { id: true, title: true },
})
for (const note of notes) {
markdown += `- [${note.title || 'Untitled'}](note:${note.id})\n`
}
}
}
const notebookName = brainstormSession.seedIdea.length > 40
? brainstormSession.seedIdea.substring(0, 40).trim() + '…'
: brainstormSession.seedIdea
let notebook = await prisma.notebook.findFirst({
where: { userId: session.user.id, name: notebookName, trashedAt: null },
})
if (!notebook) {
const notebookCount = await prisma.notebook.count({ where: { userId: session.user.id, trashedAt: null } })
notebook = await prisma.notebook.create({
data: {
userId: session.user.id,
name: notebookName,
order: notebookCount,
icon: 'wind',
},
})
}
const note = await prisma.note.create({
data: {
userId: session.user.id,
title: `Synthèse: ${brainstormSession.seedIdea.slice(0, 50)}`,
content: markdown,
type: 'markdown',
labels: JSON.stringify(['brainstorm', 'export']),
notebookId: notebook.id,
},
})
await prisma.brainstormSession.update({
where: { id: sessionId },
data: { exportedNoteId: note.id },
})
return NextResponse.json({ success: true, data: { ...note, _notebookName: notebookName } }, { status: 201 })
} catch (error) {
console.error('Error exporting brainstorm:', error)
return NextResponse.json(
{ error: 'Failed to export brainstorm' },
{ status: 500 }
)
}
}

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import { NextRequest, NextResponse } from 'next/server'
import prisma from '@/lib/prisma'
import { auth } from '@/auth'
export async function POST(
request: NextRequest,
{ params }: { params: Promise<{ sessionId: string }> }
) {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
try {
const { sessionId } = await params
const brainstormSession = await prisma.brainstormSession.findFirst({
where: {
id: sessionId,
OR: [
{ userId: session.user.id },
{ participants: { some: { userId: session.user.id } } },
],
},
include: {
ideas: {
include: {
noteRefs: {
include: {
note: { select: { id: true, title: true, labels: true } },
},
},
},
},
},
})
if (!brainstormSession) {
return NextResponse.json({ error: 'Session not found' }, { status: 404 })
}
const noteImpactMap = new Map<string, { title: string; labels: string[]; acceptedCount: number; dismissedCount: number }>()
for (const idea of brainstormSession.ideas) {
for (const ref of idea.noteRefs) {
if (!ref.noteId || !ref.note) continue
const existing = noteImpactMap.get(ref.noteId) || {
title: ref.note.title || 'Untitled',
labels: (() => { try { return JSON.parse(ref.note.labels || '[]') } catch { return [] } })(),
acceptedCount: 0,
dismissedCount: 0,
}
if (ref.verdict === 'accepted') existing.acceptedCount++
else if (ref.verdict === 'dismissed') existing.dismissedCount++
noteImpactMap.set(ref.noteId, existing)
}
}
const updatePromises: Promise<any>[] = []
for (const [noteId, impact] of noteImpactMap) {
if (impact.acceptedCount === 0 && impact.dismissedCount > 0) {
if (!impact.labels.includes('brainstorm-dry')) {
impact.labels.push('brainstorm-dry')
updatePromises.push(
prisma.note.update({
where: { id: noteId },
data: { labels: JSON.stringify(impact.labels) },
})
)
}
}
}
if (updatePromises.length > 0) {
await prisma.$transaction(updatePromises)
}
const fruitful = Array.from(noteImpactMap.values()).filter(n => n.acceptedCount > 0).length
const dry = Array.from(noteImpactMap.values()).filter(n => n.acceptedCount === 0 && n.dismissedCount > 0).length
const totalRefs = Array.from(noteImpactMap.values()).length
return NextResponse.json({
success: true,
impact: {
notesSolicited: totalRefs,
notesEnriched: fruitful,
notesMarkedDry: dry,
},
})
} catch (error) {
console.error('Error finalizing brainstorm:', error)
return NextResponse.json(
{ error: 'Failed to finalize brainstorm' },
{ status: 500 }
)
}
}

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import { NextRequest, NextResponse } from 'next/server'
import prisma from '@/lib/prisma'
import { auth } from '@/auth'
import { z } from 'zod'
import crypto from 'crypto'
import { verifyParticipant, logActivity } from '@/lib/brainstorm-collab'
const inviteSchema = z.object({
role: z.enum(['editor', 'viewer']).default('editor'),
expiresInHours: z.number().min(1).max(168).default(24),
email: z.string().email().optional(),
})
export async function POST(
request: NextRequest,
{ params }: { params: Promise<{ sessionId: string }> }
) {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
try {
const { sessionId } = await params
const { isParticipant } = await verifyParticipant(sessionId, session.user.id, 'host')
if (!isParticipant) {
return NextResponse.json({ error: 'Only the host can invite' }, { status: 403 })
}
const body = await request.json()
const { role: inviteRole, expiresInHours, email } = inviteSchema.parse(body)
const brainstormSession = await prisma.brainstormSession.findUnique({
where: { id: sessionId },
select: { id: true, seedIdea: true, userId: true, inviteToken: true, inviteExpiry: true },
})
if (!brainstormSession) {
return NextResponse.json({ error: 'Session not found' }, { status: 404 })
}
let token = brainstormSession.inviteToken
let expiry = brainstormSession.inviteExpiry
if (!token || (expiry && expiry < new Date())) {
token = crypto.randomBytes(24).toString('hex')
expiry = new Date(Date.now() + expiresInHours * 60 * 60 * 1000)
await prisma.brainstormSession.update({
where: { id: sessionId },
data: { inviteToken: token, inviteExpiry: expiry },
})
}
const inviteUrl = `/brainstorm?invite=${token}`
if (email) {
const recipient = await prisma.user.findUnique({
where: { email },
select: { id: true, name: true, email: true },
})
if (!recipient) {
return NextResponse.json({ error: 'User not found' }, { status: 404 })
}
if (recipient.id === session.user.id) {
return NextResponse.json({ error: 'Cannot invite yourself' }, { status: 400 })
}
const existing = await prisma.brainstormParticipant.findFirst({
where: { sessionId, userId: recipient.id },
})
if (existing) {
return NextResponse.json({ error: 'Already a participant' }, { status: 409 })
}
await prisma.notification.create({
data: {
userId: recipient.id,
type: 'brainstorm_invite',
title: brainstormSession.seedIdea.length > 50
? brainstormSession.seedIdea.substring(0, 50) + '…'
: brainstormSession.seedIdea,
message: `${session.user.name || 'Someone'} invited you to a brainstorm session`,
actionUrl: inviteUrl,
relatedId: sessionId,
},
})
await logActivity(sessionId, 'invite_created', session.user.id, {
role: inviteRole,
targetEmail: email,
targetUserId: recipient.id,
})
return NextResponse.json({
success: true,
mode: 'email',
invitedUser: { name: recipient.name, email: recipient.email },
inviteUrl,
expiresAt: expiry,
})
}
await logActivity(sessionId, 'invite_created', session.user.id, { role: inviteRole })
return NextResponse.json({
success: true,
mode: 'link',
inviteUrl,
token,
expiresAt: expiry,
})
} catch (error: any) {
if (error instanceof z.ZodError) {
return NextResponse.json({ error: error.issues }, { status: 400 })
}
console.error('Error creating invite:', error)
return NextResponse.json({ error: 'Failed to create invite' }, { status: 500 })
}
}

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import { NextRequest, NextResponse } from 'next/server'
import prisma from '@/lib/prisma'
import { auth } from '@/auth'
import { z } from 'zod'
import { verifyParticipant, logActivity, resolveAiContextUserId, captureSnapshot } from '@/lib/brainstorm-collab'
import { embeddingService } from '@/lib/ai/services/embedding.service'
import { getTagsProvider } from '@/lib/ai/factory'
import { getSystemConfig } from '@/lib/config'
import { emitToSession } from '@/lib/socket-emit'
const manualSchema = z.object({
title: z.string().min(1),
description: z.string().optional(),
parentIdeaId: z.string().optional(),
locale: z.string().optional(),
})
export async function POST(
request: NextRequest,
{ params }: { params: Promise<{ sessionId: string }> }
) {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
try {
const { sessionId } = await params
const { isParticipant } = await verifyParticipant(sessionId, session.user.id, 'editor')
if (!isParticipant) {
return NextResponse.json({ error: 'No edit permission' }, { status: 403 })
}
const body = await request.json()
const { title, description, parentIdeaId, locale } = manualSchema.parse(body)
const brainstormSession = await prisma.brainstormSession.findFirst({
where: { id: sessionId },
})
if (!brainstormSession) {
return NextResponse.json({ error: 'Session not found' }, { status: 404 })
}
let wave = 1
let parentIdea: any = null
if (parentIdeaId) {
parentIdea = await prisma.brainstormIdea.findFirst({
where: { id: parentIdeaId, sessionId },
})
if (parentIdea) {
wave = Math.min((parentIdea.waveNumber || 1) + 1, 3)
}
}
const existingIdeas = await prisma.brainstormIdea.count({
where: { sessionId, waveNumber: wave },
})
const angle = (existingIdeas % 4) * (2 * Math.PI / 4) + Math.random() * 0.5
const radius = wave * 200 + Math.random() * 50
const idea = await prisma.brainstormIdea.create({
data: {
sessionId,
waveNumber: wave,
title,
description: description || '',
connectionToSeed: parentIdea
? `Manual response to "${(parentIdea.title || '').substring(0, 40)}"`
: 'Manual idea added by participant',
noveltyScore: null,
parentIdeaId: parentIdeaId || null,
createdBy: session.user.id,
createdByType: 'human',
positionX: Math.cos(angle) * radius,
positionY: Math.sin(angle) * radius,
},
})
// [UPDATE - SÉCURITÉ] Recherche vectorielle guest-safe
let relatedNoteIds: string[] = []
try {
const { isGuest, publicNoteIds, aiUserId } = await resolveAiContextUserId(sessionId, session.user.id)
if (isGuest && (!publicNoteIds || publicNoteIds.length === 0)) {
// Invité sans notes publiques → skip la recherche vectorielle
relatedNoteIds = []
} else {
const embedding = await embeddingService.generateEmbedding(`${title} ${description || ''}`)
const vectorStr = embeddingService.toVectorString(embedding.embedding)
let results: any[]
if (isGuest && publicNoteIds && publicNoteIds.length > 0) {
// Invité : restreindre aux notes publiques uniquement
const idList = publicNoteIds.map(id => `'${id}'`).join(',')
results = await prisma.$queryRawUnsafe(
`SELECT n.id
FROM "NoteEmbedding" e
JOIN "Note" n ON n.id = e."noteId"
WHERE n.id IN (${idList}) AND n."trashedAt" IS NULL
ORDER BY e.embedding <=> $1::vector
LIMIT 3`,
vectorStr
) as any[]
} else {
// Hôte : accès complet
results = await prisma.$queryRawUnsafe(
`SELECT n.id
FROM "NoteEmbedding" e
JOIN "Note" n ON n.id = e."noteId"
WHERE n."userId" = $1 AND n."trashedAt" IS NULL
ORDER BY e.embedding <=> $2::vector
LIMIT 3`,
aiUserId, vectorStr
) as any[]
}
relatedNoteIds = results.map((r: any) => r.id)
}
} catch {}
if (relatedNoteIds.length > 0) {
const notes = await prisma.note.findMany({
where: { id: { in: relatedNoteIds } },
select: { id: true, title: true },
})
for (const note of notes) {
await prisma.brainstormNoteRef.create({
data: {
ideaId: idea.id,
noteId: note.id,
relation: 'extends',
explanation: `Manual idea — related to your note "${note.title}"`,
},
})
}
await prisma.brainstormIdea.update({
where: { id: idea.id },
data: { relatedNoteIds: JSON.stringify(relatedNoteIds) },
})
}
await logActivity(sessionId, 'manual_idea', session.user.id, { ideaTitle: title, ideaId: idea.id })
await captureSnapshot(sessionId, `Manual idea: ${title}`).catch(() => {})
// [UPDATE - TEMPS RÉEL] Retourner immédiatement, enrichissement IA en arrière-plan
// Le client est notifié via Socket : idea:ai_processing → idea:ai_completed | idea:ai_failed
const immediateResponse = NextResponse.json(
{ success: true, data: { ideaId: idea.id, title, status: 'ai_processing' } },
{ status: 201 }
)
// Capturer les valeurs avant la closure asynchrone (session.user peut être undefined plus tard)
const requestingUserId = session.user!.id
const enrichAsync = async () => {
try {
// Notifier le room que l'IA traite ce nœud (bordure pulsante violet)
await emitToSession(sessionId, 'idea:ai_processing', {
ideaId: idea.id,
triggeredBy: requestingUserId,
})
const config = await getSystemConfig()
const provider = getTagsProvider(config)
const lang = locale === 'fr' ? 'French' : locale === 'es' ? 'Spanish' : locale === 'de' ? 'German' : locale === 'it' ? 'Italian' : locale === 'pt' ? 'Portuguese' : locale === 'ja' ? 'Japanese' : locale === 'ko' ? 'Korean' : locale === 'zh' ? 'Chinese' : locale === 'ar' ? 'Arabic' : "the user's language"
const enrichPrompt = `You are an idea enrichment assistant. Given a user's raw brainstorm idea and context, produce a JSON object with:
- "enrichedTitle": a polished, concise version of the title (max 60 chars)
- "enrichedDescription": an expanded 2-3 sentence description that develops the idea further
- "connectionToSeed": a 1-sentence explanation of how this idea connects to the seed topic
- "noveltyScore": a number 1-10 rating how novel/original this idea is
IMPORTANT: You MUST write ALL text in ${lang}.
Seed topic: "${brainstormSession.seedIdea}"
${parentIdea ? `Parent idea this responds to: "${parentIdea.title}"` : ''}
User's raw idea title: "${title}"
User's raw description: "${description || 'none provided'}"
Respond ONLY with the JSON object, no markdown.`
const raw = await provider.generateText(enrichPrompt)
const cleaned = raw.replace(/```json\n?/g, '').replace(/```\n?/g, '').trim()
const enriched = JSON.parse(cleaned)
const enrichedTitle = enriched.enrichedTitle?.substring(0, 60) || title
const enrichedDescription = enriched.enrichedDescription || description || ''
const connectionToSeed = enriched.connectionToSeed || 'Manual idea added by participant'
const noveltyScore = enriched.noveltyScore || null
await prisma.brainstormIdea.update({
where: { id: idea.id },
data: { title: enrichedTitle, description: enrichedDescription, connectionToSeed, noveltyScore },
})
// [UPDATE - TEMPS RÉEL] Notifier la complétion avec les données enrichies
await emitToSession(sessionId, 'idea:ai_completed', {
ideaId: idea.id,
title: enrichedTitle,
description: enrichedDescription,
noveltyScore,
connectionToSeed,
})
} catch (enrichError) {
console.error('Enrichment failed, keeping raw idea:', enrichError)
// [UPDATE - TEMPS RÉEL] Notifier l'échec — le nœud reste en état dégradé
await emitToSession(sessionId, 'idea:ai_failed', { ideaId: idea.id })
}
}
// setImmediate pour ne pas bloquer la réponse HTTP
setImmediate(() => { enrichAsync() })
return immediateResponse
} catch (error: any) {
if (error instanceof z.ZodError) {
return NextResponse.json({ error: error.issues }, { status: 400 })
}
console.error('Error adding manual idea:', error)
return NextResponse.json({ error: 'Failed to add idea' }, { status: 500 })
}
}

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import { NextRequest, NextResponse } from 'next/server'
import prisma from '@/lib/prisma'
import { auth } from '@/auth'
function resolveAccessRole(
brainstormSession: any,
userId: string | null
): 'owner' | 'editor' | 'viewer' | 'guest' | 'none' {
if (!userId) {
return brainstormSession.isPublic ? 'guest' : 'none'
}
if (brainstormSession.userId === userId) return 'owner'
const participant = brainstormSession.participants?.find(
(p: any) => p.userId === userId
)
if (participant) return participant.role
const acceptedShare = brainstormSession.shares?.find(
(s: any) => s.userId === userId && s.status === 'accepted'
)
if (acceptedShare) return acceptedShare.permission
return brainstormSession.isPublic ? 'guest' : 'none'
}
function filterNoteRefsByRole(ideas: any[], role: string): any[] {
const allowedVis = role === 'owner'
? ['public', 'participants', 'owner_only']
: role === 'editor'
? ['public', 'participants', 'owner_only']
: role === 'viewer'
? ['public', 'participants']
: ['public']
return ideas.map((idea: any) => ({
...idea,
noteRefs: (idea.noteRefs || []).filter(
(ref: any) => allowedVis.includes(ref.visibility || 'participants')
),
}))
}
function sanitizeForGuest(session: any): any {
const { participants, shares, ...rest } = session
const filteredIdeas = filterNoteRefsByRole(rest.ideas || [], 'guest')
return {
...rest,
ideas: filteredIdeas,
sourceNote: null,
exportedNote: null,
}
}
export async function GET(
request: NextRequest,
{ params }: { params: Promise<{ sessionId: string }> }
) {
const authSession = await auth()
const userId = authSession?.user?.id || null
try {
const { sessionId } = await params
const brainstormSession = await prisma.brainstormSession.findFirst({
where: { id: sessionId },
include: {
ideas: {
orderBy: [{ waveNumber: 'asc' }, { createdAt: 'asc' }],
include: {
noteRefs: {
include: {
note: { select: { id: true, title: true } },
},
},
},
},
sourceNote: {
select: { id: true, title: true },
},
exportedNote: {
select: { id: true, title: true },
},
participants: {
where: userId ? { userId } : undefined,
select: { userId: true, role: true },
},
shares: userId
? {
where: { userId, status: 'accepted' },
select: { userId: true, permission: true },
}
: false,
},
})
if (!brainstormSession) {
return NextResponse.json({ error: 'Not found' }, { status: 404 })
}
const creatorIds = [...new Set(brainstormSession.ideas.map((i: any) => i.createdBy).filter(Boolean))]
const creators = creatorIds.length > 0
? await prisma.user.findMany({ where: { id: { in: creatorIds } }, select: { id: true, name: true, image: true } })
: []
const creatorMap = new Map(creators.map((c: any) => [c.id, c]))
for (const idea of brainstormSession.ideas) {
(idea as any).creator = (idea as any).createdBy ? creatorMap.get((idea as any).createdBy) || null : null
}
const role = resolveAccessRole(brainstormSession, userId)
if (role === 'none') {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
let responseData: any = brainstormSession
if (role === 'guest') {
responseData = sanitizeForGuest(brainstormSession)
} else if (role === 'viewer') {
const { participants: _p, shares: _s, ...rest } = brainstormSession as any
responseData = {
...rest,
ideas: filterNoteRefsByRole(rest.ideas || [], 'viewer'),
}
} else {
const { participants: _p, shares: _s, ...rest } = brainstormSession as any
responseData = rest
}
return NextResponse.json({
success: true,
data: responseData,
_meta: { role, canEdit: ['owner', 'editor'].includes(role) || (role === 'guest' && brainstormSession.guestCanEdit) },
})
} catch (error) {
console.error('Error fetching brainstorm session:', error)
return NextResponse.json(
{ error: 'Failed to fetch session' },
{ status: 500 }
)
}
}
export async function PATCH(
request: NextRequest,
{ params }: { params: Promise<{ sessionId: string }> }
) {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
try {
const { sessionId } = await params
const body = await request.json()
const brainstormSession = await prisma.brainstormSession.findFirst({
where: { id: sessionId, userId: session.user.id },
})
if (!brainstormSession) {
return NextResponse.json({ error: 'Not found' }, { status: 404 })
}
const updates: Record<string, any> = {}
if (typeof body.isPublic === 'boolean') updates.isPublic = body.isPublic
if (typeof body.guestCanEdit === 'boolean') updates.guestCanEdit = body.guestCanEdit
if (Object.keys(updates).length === 0) {
return NextResponse.json({ error: 'No valid fields to update' }, { status: 400 })
}
const updated = await prisma.brainstormSession.update({
where: { id: sessionId },
data: updates,
})
return NextResponse.json({ success: true, data: updated })
} catch (error) {
console.error('Error updating brainstorm session:', error)
return NextResponse.json(
{ error: 'Failed to update session' },
{ status: 500 }
)
}
}
export async function DELETE(
request: NextRequest,
{ params }: { params: Promise<{ sessionId: string }> }
) {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
try {
const { sessionId } = await params
const brainstormSession = await prisma.brainstormSession.findFirst({
where: { id: sessionId, userId: session.user.id },
})
if (!brainstormSession) {
return NextResponse.json({ error: 'Not found' }, { status: 404 })
}
await prisma.brainstormSession.delete({
where: { id: sessionId },
})
return NextResponse.json({ success: true })
} catch (error) {
console.error('Error deleting brainstorm session:', error)
return NextResponse.json(
{ error: 'Failed to delete session' },
{ status: 500 }
)
}
}

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import { NextRequest, NextResponse } from 'next/server'
import prisma from '@/lib/prisma'
import { auth } from '@/auth'
export async function GET(
request: NextRequest,
{ params }: { params: Promise<{ sessionId: string }> }
) {
const authSession = await auth()
if (!authSession?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
try {
const { sessionId } = await params
const brainstormSession = await prisma.brainstormSession.findFirst({
where: {
id: sessionId,
OR: [
{ userId: authSession.user.id },
{ participants: { some: { userId: authSession.user.id } } },
{ shares: { some: { userId: authSession.user.id, status: 'accepted' } } },
],
} as any,
select: { id: true },
})
if (!brainstormSession) {
return NextResponse.json({ error: 'Not found' }, { status: 404 })
}
const snapshots = await prisma.brainstormSnapshot.findMany({
where: { sessionId },
orderBy: { step: 'asc' },
select: {
id: true,
step: true,
label: true,
activityId: true,
ideaGraph: true,
createdAt: true,
},
})
return NextResponse.json({ success: true, data: snapshots })
} catch (error) {
console.error('Error fetching snapshots:', error)
return NextResponse.json(
{ error: 'Failed to fetch snapshots' },
{ status: 500 }
)
}
}

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import { NextRequest, NextResponse } from 'next/server'
import prisma from '@/lib/prisma'
import { auth } from '@/auth'
import { z } from 'zod'
const positionSchema = z.object({
ideaId: z.string().min(1),
positionX: z.number(),
positionY: z.number(),
})
export async function POST(
request: NextRequest,
{ params }: { params: Promise<{ sessionId: string }> }
) {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
try {
const { sessionId } = await params
const body = await request.json()
const { ideaId, positionX, positionY } = positionSchema.parse(body)
const brainstormSession = await prisma.brainstormSession.findFirst({
where: { id: sessionId, userId: session.user.id },
})
if (!brainstormSession) {
return NextResponse.json({ error: 'Session not found' }, { status: 404 })
}
await prisma.brainstormIdea.update({
where: { id: ideaId },
data: { positionX, positionY },
})
return NextResponse.json({ success: true })
} catch (error: any) {
if (error instanceof z.ZodError) {
return NextResponse.json({ error: error.issues }, { status: 400 })
}
console.error('Error updating position:', error)
return NextResponse.json(
{ error: error.message || 'Failed to update position' },
{ status: 500 }
)
}
}

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import { NextRequest, NextResponse } from 'next/server'
import prisma from '@/lib/prisma'
import { auth } from '@/auth'
import { z } from 'zod'
import { logActivity } from '@/lib/brainstorm-collab'
const joinSchema = z.object({
token: z.string().min(1),
})
export async function POST(request: NextRequest) {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
try {
const body = await request.json()
const { token } = joinSchema.parse(body)
const brainstormSession = await prisma.brainstormSession.findFirst({
where: { inviteToken: token },
select: { id: true, inviteExpiry: true, userId: true, seedIdea: true },
})
if (!brainstormSession) {
return NextResponse.json({ error: 'Invalid invite token' }, { status: 404 })
}
if (brainstormSession.inviteExpiry && brainstormSession.inviteExpiry < new Date()) {
return NextResponse.json({ error: 'Invite expired' }, { status: 410 })
}
const existing = await prisma.brainstormParticipant.findFirst({
where: { sessionId: brainstormSession.id, userId: session.user.id },
})
if (existing) {
return NextResponse.json({
success: true,
sessionId: brainstormSession.id,
role: existing.role,
})
}
const participant = await prisma.brainstormParticipant.create({
data: {
sessionId: brainstormSession.id,
userId: session.user.id,
role: 'editor',
},
})
await logActivity(brainstormSession.id, 'joined', session.user.id)
try {
const joinerName = session.user.name || 'Someone'
const seedPreview = brainstormSession.seedIdea.length > 40
? brainstormSession.seedIdea.substring(0, 40) + '…'
: brainstormSession.seedIdea
await prisma.notification.create({
data: {
userId: brainstormSession.userId,
type: 'brainstorm_joined',
title: `${joinerName} joined your brainstorm`,
message: seedPreview,
actionUrl: `/brainstorm?session=${brainstormSession.id}`,
relatedId: brainstormSession.id,
},
})
} catch {}
return NextResponse.json({
success: true,
sessionId: brainstormSession.id,
role: participant.role,
}, { status: 201 })
} catch (error: any) {
if (error instanceof z.ZodError) {
return NextResponse.json({ error: error.issues }, { status: 400 })
}
console.error('Error joining brainstorm:', error)
return NextResponse.json({ error: 'Failed to join' }, { status: 500 })
}
}

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import { NextRequest, NextResponse } from 'next/server'
import prisma from '@/lib/prisma'
import { auth } from '@/auth'
import { z } from 'zod'
import { getTagsProvider } from '@/lib/ai/factory'
import { getSystemConfig } from '@/lib/config'
import { embeddingService } from '@/lib/ai/services/embedding.service'
import { logActivity, captureSnapshot } from '@/lib/brainstorm-collab'
const waveSchema = z.object({
seedIdea: z.string().min(1, 'Seed idea is required'),
sourceNoteId: z.string().optional(),
contextNoteIds: z.array(z.string()).optional(),
locale: z.string().optional(),
})
interface ClassifiedNote {
id: string
title: string
summary: string
category: 'SUPPORT' | 'TENSION' | 'EXTENSION'
}
async function autoContextSearch(
userId: string,
seedIdea: string,
userNoteIds?: string[]
): Promise<ClassifiedNote[]> {
let candidateIds: string[] = []
if (userNoteIds && userNoteIds.length > 0) {
candidateIds = userNoteIds
} else {
try {
const embedding = await embeddingService.generateEmbedding(seedIdea)
const vectorStr = embeddingService.toVectorString(embedding.embedding)
const results = await prisma.$queryRawUnsafe(
`SELECT n.id
FROM "NoteEmbedding" e
JOIN "Note" n ON n.id = e."noteId"
WHERE n."userId" = $1 AND n."trashedAt" IS NULL
ORDER BY e.embedding <=> $2::vector
LIMIT 8`,
userId, vectorStr
) as any[]
candidateIds = results.map((r: any) => r.id)
} catch {
return []
}
}
if (candidateIds.length === 0) return []
const notes = await prisma.note.findMany({
where: { id: { in: candidateIds }, userId, trashedAt: null },
select: { id: true, title: true, content: true },
})
if (notes.length === 0) return []
const notesForLLM = notes.map(n => ({
id: n.id,
title: n.title || 'Untitled',
snippet: (n.content || '').slice(0, 300),
}))
try {
const config = await getSystemConfig()
const provider = getTagsProvider(config)
const classifyPrompt = `Given the seed idea: "${seedIdea}"
Classify each note as SUPPORT (confirms/reinforces the seed), TENSION (contradicts/questions the seed), or EXTENSION (extends the seed into an adjacent domain).
Notes:
${notesForLLM.map(n => `[${n.id}] "${n.title}": ${n.snippet}`).join('\n')}
Respond ONLY with a valid JSON array of objects:
{ "noteId": string, "category": "SUPPORT" | "TENSION" | "EXTENSION" }`
const raw = await provider.generateText(classifyPrompt)
const cleaned = raw.replace(/```json\n?/g, '').replace(/```\n?/g, '').trim()
const classifications: { noteId: string; category: 'SUPPORT' | 'TENSION' | 'EXTENSION' }[] = JSON.parse(cleaned)
return notes.map(n => {
const cls = classifications.find(c => c.noteId === n.id)
return {
id: n.id,
title: n.title || 'Untitled',
summary: (n.content || '').slice(0, 200),
category: cls?.category || 'EXTENSION',
}
})
} catch {
return notes.map(n => ({
id: n.id,
title: n.title || 'Untitled',
summary: (n.content || '').slice(0, 200),
category: 'EXTENSION' as const,
}))
}
}
function buildPromptV2(seedIdea: string, classifiedNotes: ClassifiedNote[], locale?: string): string {
const supportNotes = classifiedNotes.filter(n => n.category === 'SUPPORT')
const tensionNotes = classifiedNotes.filter(n => n.category === 'TENSION')
const extensionNotes = classifiedNotes.filter(n => n.category === 'EXTENSION')
let notesSection = ''
if (classifiedNotes.length > 0) {
notesSection = `\nUSER'S EXISTING NOTES (classified by relationship to the seed):\n`
if (supportNotes.length > 0) {
notesSection += `\nSUPPORTING NOTES (confirm/reinforce the seed):\n`
notesSection += supportNotes.map(n => `- [ID: ${n.id}] "${n.title}": ${n.summary}`).join('\n')
}
if (tensionNotes.length > 0) {
notesSection += `\nTENSION NOTES (contradict or question the seed):\n`
notesSection += tensionNotes.map(n => `- [ID: ${n.id}] "${n.title}": ${n.summary}`).join('\n')
}
if (extensionNotes.length > 0) {
notesSection += `\nEXTENSION NOTES (extend the seed into adjacent domains):\n`
notesSection += extensionNotes.map(n => `- [ID: ${n.id}] "${n.title}": ${n.summary}`).join('\n')
}
}
return `You are a creative brainstorming assistant with access to the user's personal knowledge base. Your job is to generate ideas that DELIBERATELY CROSS the seed concept with existing notes — creating productive tension, not just variations.
USER'S SEED IDEA: ${seedIdea}
${notesSection}
GENERATION RULES:
WAVE 1 — VARIATIONS (3 ideas):
- At least 1 idea must BUILD ON a SUPPORTING note
- At least 1 idea must RESPOND TO a TENSION note (resolve or embrace the contradiction)
WAVE 2 — ANALOGIES (3 ideas):
- At least 1 idea must FUSE a concept from an EXTENSION note with the seed
- At least 1 idea must be a PATTERN TRANSPOSITION from any note
WAVE 3 — DISRUPTIONS (3 ideas):
- At least 1 idea must INVERT an assumption found in a SUPPORTING note
- At least 1 idea must SYNTHESIZE two notes that appear contradictory
RESPOND ONLY with a valid JSON array of 9 objects:
{
"wave": number (1, 2, or 3),
"title": string (short, 2-6 words),
"description": string (1-2 sentences, specific and actionable),
"connectionToSeed": string (how it relates to the seed),
"noveltyScore": number (1-10),
"noteRefs": [
{
"noteId": string (must match an ID provided above, or null if genuinely no note connects),
"relation": "derived_from" | "opposes" | "extends" | "synthesizes" | "transposes",
"explanation": string (natural language, e.g. "Built on your exploration of occupancy-based scheduling")
}
]
}
CRITICAL: Each idea MUST have at least 1 noteRef. Only use null noteId if genuinely no note connects to that idea.
LANGUAGE: You MUST write ALL titles, descriptions, connectionToSeed, and explanation fields in ${locale === 'fr' ? 'French' : locale === 'es' ? 'Spanish' : locale === 'de' ? 'German' : locale === 'it' ? 'Italian' : locale === 'pt' ? 'Portuguese' : locale === 'nl' ? 'Dutch' : locale === 'ru' ? 'Russian' : locale === 'zh' ? 'Chinese' : locale === 'ja' ? 'Japanese' : locale === 'ko' ? 'Korean' : locale === 'ar' ? 'Arabic' : locale === 'fa' ? 'Farsi' : locale === 'hi' ? 'Hindi' : locale === 'pl' ? 'Polish' : 'the same language as the seed idea'}.`
}
function buildFallbackIdeas(classifiedNotes: ClassifiedNote[]): any[] {
const notesById = Object.fromEntries(classifiedNotes.map(n => [n.id, n]))
const support = classifiedNotes.filter(n => n.category === 'SUPPORT')
const tension = classifiedNotes.filter(n => n.category === 'TENSION')
const extension = classifiedNotes.filter(n => n.category === 'EXTENSION')
const pickNote = (list: ClassifiedNote[], idx: number) => {
if (list.length === 0) return { noteId: null, relation: 'extends' as const, explanation: 'Purely generative idea, no direct note link' }
const n = list[idx % list.length]
return { noteId: n.id, relation: 'extends' as const, explanation: `Inspired by your note "${n.title}"` }
}
return [
{ wave: 1, title: 'Variation A', description: 'A direct variation of the seed idea.', connectionToSeed: 'Direct extension', noveltyScore: 3, noteRefs: [pickNote(support, 0)] },
{ wave: 1, title: 'Variation B', description: 'Another angle on the seed idea.', connectionToSeed: 'Reformulation', noveltyScore: 4, noteRefs: [pickNote(tension, 0)] },
{ wave: 1, title: 'Variation C', description: 'A sub-aspect of the seed.', connectionToSeed: 'Sub-component', noveltyScore: 5, noteRefs: [pickNote(support, 1)] },
{ wave: 2, title: 'Analogy A', description: 'Inspired by biological systems.', connectionToSeed: 'Cross-domain analogy', noveltyScore: 6, noteRefs: [pickNote(extension, 0)] },
{ wave: 2, title: 'Analogy B', description: 'Drawn from technology patterns.', connectionToSeed: 'Tech parallel', noveltyScore: 7, noteRefs: [pickNote(extension, 1)] },
{ wave: 2, title: 'Analogy C', description: 'Based on natural phenomena.', connectionToSeed: 'Nature metaphor', noveltyScore: 6, noteRefs: [pickNote(classifiedNotes, 0)] },
{ wave: 3, title: 'Disruption A', description: 'What if we inverted the core assumption?', connectionToSeed: 'Inversion', noveltyScore: 9, noteRefs: [{ ...(pickNote(support, 0)), relation: 'opposes' as const }] },
{ wave: 3, title: 'Disruption B', description: 'A provocative reframing.', connectionToSeed: 'Challenge premise', noveltyScore: 8, noteRefs: [{ ...(pickNote(tension, 0)), relation: 'synthesizes' as const }] },
{ wave: 3, title: 'Disruption C', description: 'Removing a key constraint entirely.', connectionToSeed: 'Constraint removal', noveltyScore: 10, noteRefs: [pickNote(extension, 2)] },
]
}
export async function POST(request: NextRequest) {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
const userId = session.user.id
try {
const body = await request.json()
const { seedIdea, sourceNoteId, contextNoteIds, locale } = waveSchema.parse(body)
const classifiedNotes = await autoContextSearch(userId, seedIdea, contextNoteIds)
const config = await getSystemConfig()
const provider = getTagsProvider(config)
const prompt = buildPromptV2(seedIdea, classifiedNotes, locale)
const llmResponse = await provider.generateText(prompt)
let ideas: any[]
try {
const cleaned = llmResponse.replace(/```json\n?/g, '').replace(/```\n?/g, '').trim()
ideas = JSON.parse(cleaned)
if (!Array.isArray(ideas)) throw new Error('Not an array')
} catch {
ideas = buildFallbackIdeas(classifiedNotes)
}
const validNoteIds = new Set(classifiedNotes.map(n => n.id))
const brainstormSession = await prisma.brainstormSession.create({
data: {
seedIdea,
sourceNoteId: sourceNoteId || null,
contextNoteIds: contextNoteIds ? JSON.stringify(contextNoteIds) : null,
liveblocksRoomId: `brainstorm-session`,
userId,
},
})
await prisma.brainstormParticipant.create({
data: {
sessionId: brainstormSession.id,
userId,
role: 'host',
},
})
await logActivity(brainstormSession.id, 'wave_generated', userId, { count: ideas.length })
const createdIdeas = []
for (let idx = 0; idx < ideas.length; idx++) {
const idea = ideas[idx]
const angle = (idx % 3) * (2 * Math.PI / 3) + (idea.wave - 1) * 0.5
const radius = idea.wave * 150
const created = await prisma.brainstormIdea.create({
data: {
sessionId: brainstormSession.id,
waveNumber: idea.wave || Math.floor(idx / 3) + 1,
title: idea.title || `Idea ${idx + 1}`,
description: idea.description || '',
connectionToSeed: idea.connectionToSeed || null,
noveltyScore: idea.noveltyScore || null,
relatedNoteIds: JSON.stringify(
(idea.noteRefs || []).map((r: any) => r.noteId).filter(Boolean)
),
positionX: Math.cos(angle) * radius,
positionY: Math.sin(angle) * radius,
},
})
if (idea.noteRefs && Array.isArray(idea.noteRefs)) {
for (const ref of idea.noteRefs) {
const noteId = ref.noteId && validNoteIds.has(ref.noteId) ? ref.noteId : null
await prisma.brainstormNoteRef.create({
data: {
ideaId: created.id,
noteId,
relation: ref.relation || 'extends',
explanation: ref.explanation || '',
},
})
}
}
createdIdeas.push(created)
}
const fullSession = await prisma.brainstormSession.findUnique({
where: { id: brainstormSession.id },
include: {
ideas: {
orderBy: [{ waveNumber: 'asc' }, { createdAt: 'asc' }],
include: {
noteRefs: {
include: {
note: { select: { id: true, title: true } },
},
},
},
},
},
})
const cIds = [...new Set((fullSession?.ideas || []).map((i: any) => i.createdBy).filter(Boolean))]
if (cIds.length > 0) {
const crs = await prisma.user.findMany({ where: { id: { in: cIds } }, select: { id: true, name: true, image: true } })
const cm = new Map(crs.map((c: any) => [c.id, c]))
for (const idea of fullSession?.ideas || []) { (idea as any).creator = (idea as any).createdBy ? cm.get((idea as any).createdBy) || null : null }
}
await captureSnapshot(brainstormSession.id, `Initial wave: ${brainstormSession.seedIdea.substring(0, 30)}`).catch(() => {})
return NextResponse.json({
success: true,
data: fullSession,
contextSummary: {
support: classifiedNotes.filter(n => n.category === 'SUPPORT').length,
tension: classifiedNotes.filter(n => n.category === 'TENSION').length,
extension: classifiedNotes.filter(n => n.category === 'EXTENSION').length,
},
}, { status: 201 })
} catch (error: any) {
if (error instanceof z.ZodError) {
return NextResponse.json({ error: error.issues }, { status: 400 })
}
console.error('Error creating brainstorm:', error)
return NextResponse.json(
{ error: error.message || 'Failed to create brainstorm' },
{ status: 500 }
)
}
}
export async function GET(request: NextRequest) {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
const userId = session.user.id
try {
const ownedSessions = await prisma.brainstormSession.findMany({
where: { userId },
orderBy: { createdAt: 'desc' },
include: {
_count: { select: { ideas: true } },
ideas: {
where: { status: 'active' },
select: { id: true },
},
},
})
const owned = ownedSessions.map(s => ({
id: s.id,
seedIdea: s.seedIdea,
sourceNoteId: s.sourceNoteId,
exportedNoteId: s.exportedNoteId,
createdAt: s.createdAt,
updatedAt: s.updatedAt,
totalIdeas: s._count.ideas,
activeIdeas: s.ideas.length,
_owned: true,
}))
const ownedIds = new Set(owned.map(s => s.id))
let shared: any[] = []
try {
const acceptedShareRows = await prisma.brainstormShare.findMany({
where: { userId, status: 'accepted' },
include: {
session: {
select: {
id: true,
seedIdea: true,
sourceNoteId: true,
exportedNoteId: true,
createdAt: true,
updatedAt: true,
_count: { select: { ideas: true } },
ideas: { where: { status: 'active' }, select: { id: true } },
},
},
},
})
shared = acceptedShareRows
.filter(s => s.session != null && !ownedIds.has(s.session.id))
.map(s => ({
id: s.session.id,
seedIdea: s.session.seedIdea,
sourceNoteId: s.session.sourceNoteId,
exportedNoteId: s.session.exportedNoteId,
createdAt: s.session.createdAt,
updatedAt: s.session.updatedAt,
totalIdeas: s.session._count.ideas,
activeIdeas: s.session.ideas.length,
_owned: false,
}))
} catch (shareError) {
console.error('Error fetching shared brainstorms (non-fatal):', shareError)
}
return NextResponse.json({
success: true,
data: [...owned, ...shared],
})
} catch (error) {
console.error('Error fetching brainstorms:', error)
return NextResponse.json(
{ error: 'Failed to fetch brainstorms' },
{ status: 500 }
)
}
}

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import { NextResponse } from 'next/server'
import prisma from '@/lib/prisma'
import { auth } from '@/auth'
export async function GET() {
const session = await auth()
if (!session?.user?.id) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
}
try {
const shares = await prisma.brainstormShare.findMany({
where: {
userId: session.user.id,
status: 'accepted',
},
select: {
sessionId: true,
permission: true,
session: {
select: {
id: true,
seedIdea: true,
createdAt: true,
updatedAt: true,
},
},
},
})
const data = shares.map((s) => ({
id: s.session.id,
seedIdea: s.session.seedIdea,
sourceNoteId: null,
exportedNoteId: null,
createdAt: s.session.createdAt,
updatedAt: s.session.updatedAt,
totalIdeas: 0,
activeIdeas: 0,
_isShared: true,
}))
return NextResponse.json({ success: true, data })
} catch (error) {
console.error('Error fetching shared brainstorms:', error)
return NextResponse.json({ success: true, data: [] })
}
}