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feat: support multiple PDF uploads per generation #160

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feat: support multiple PDF uploads per generation #160

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8 changes: 5 additions & 3 deletions app/api/generate/scene-outlines-stream/route.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ import {
} from '@/lib/generation/generation-pipeline';
import type { AgentInfo } from '@/lib/generation/generation-pipeline';
import { MAX_PDF_CONTENT_CHARS, MAX_VISION_IMAGES } from '@/lib/constants/generation';
import { sortPdfImagesForVision } from '@/lib/pdf/document-aggregator';
import { nanoid } from 'nanoid';
import type {
UserRequirements,
Expand Down Expand Up @@ -125,12 +126,13 @@ export async function POST(req: NextRequest) {
let visionImages: Array<{ id: string; src: string }> | undefined;

if (pdfImages && pdfImages.length > 0) {
const prioritizedImages = sortPdfImagesForVision(pdfImages);
if (hasVision && imageMapping) {
// Vision mode: split into vision images (first N) and text-only (rest)
const allWithSrc = pdfImages.filter((img) => imageMapping[img.id]);
const allWithSrc = prioritizedImages.filter((img) => imageMapping[img.id]);
const visionSlice = allWithSrc.slice(0, MAX_VISION_IMAGES);
const textOnlySlice = allWithSrc.slice(MAX_VISION_IMAGES);
const noSrcImages = pdfImages.filter((img) => !imageMapping[img.id]);
const noSrcImages = prioritizedImages.filter((img) => !imageMapping[img.id]);

const visionDescriptions = visionSlice.map((img) =>
formatImagePlaceholder(img, requirements.language),
Expand All @@ -148,7 +150,7 @@ export async function POST(req: NextRequest) {
}));
} else {
// Text-only mode: full descriptions
availableImagesText = pdfImages
availableImagesText = prioritizedImages
.map((img) => formatImageDescription(img, requirements.language))
.join('\n');
}
Expand Down
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