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added screen share

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This commit is contained in:
Arjun 2026-07-03 23:47:16 +05:30
parent 42353c63f4
commit 48a3ff6a36
7 changed files with 392 additions and 177 deletions
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41
apps/x/packages/core/src/agents/runtime.ts
View file

@ -392,6 +392,12 @@ How to use the frames:
- When the user practices something performative (a pitch, presentation, interview, talk) or asks for delivery feedback, give specific, actionable coaching grounded in what you actually see — cite concrete observations ("in the last few frames you looked down and away from the camera") rather than generic advice. Cover posture, eye contact, facial expressiveness, gesturing, and visible energy.
- If they show something to the camera (an object, document, whiteboard), read or describe it and respond accordingly.
Screen sharing:
- The user may also share their screen. Screen-share frames arrive in a separately labeled group after the webcam frames; they show the user's screen, not the user.
- When screen frames are present, treat them as the primary subject: the user is usually asking about, or working on, what's visible there. Read the screen carefully — code, documents, error messages, UI state — and help with it concretely.
- The LAST screen frame is the most current view of their screen; earlier ones show how it changed while they spoke.
- Frames are downscaled captures: small text may be hard to read. If something crucial is illegible, say what you need ("zoom into the error message" / "make that panel bigger") rather than guessing.
Etiquette:
- Do not narrate or list what you see in every response. Bring up visual observations only when relevant to the user's request or clearly worth mentioning.
- Never comment on the user's physical appearance, attractiveness, or personal attributes — visual feedback is strictly about delivery, expression, and body language.
@ -961,11 +967,15 @@ export function convertFromMessages(messages: z.infer<typeof Message>[]): ModelM
});
} else {
// New content parts array — collapse text/attachments to text
// for the LLM; inline image parts (video-mode webcam frames)
// are passed through as real multimodal image parts.
// for the LLM; inline image parts (video-mode webcam and
// screen-share frames) are passed through as real multimodal
// image parts, grouped under labeled text headers so the
// model knows which images show the user vs their screen.
const textSegments: string[] = userMessageContextPrefix ? [userMessageContextPrefix] : [];
const attachmentLines: string[] = [];
const imageParts: Array<{ type: "image"; image: string; mediaType: string }> = [];
type EncodedImagePart = { type: "image"; image: string; mediaType: string };
const cameraParts: EncodedImagePart[] = [];
const screenParts: EncodedImagePart[] = [];
const frameTimes: string[] = [];
for (const part of msg.content) {
@ -974,7 +984,8 @@ export function convertFromMessages(messages: z.infer<typeof Message>[]): ModelM
const lineStr = part.lineNumber ? ` (line ${part.lineNumber})` : '';
attachmentLines.push(`- ${part.filename} (${part.mimeType}${sizeStr}) at ${part.path}${lineStr}`);
} else if (part.type === "image") {
imageParts.push({ type: "image", image: part.data, mediaType: part.mediaType });
const target = part.source === "screen" ? screenParts : cameraParts;
target.push({ type: "image", image: part.data, mediaType: part.mediaType });
if (part.capturedAt) frameTimes.push(part.capturedAt);
} else {
textSegments.push(part.text);
@ -989,19 +1000,29 @@ export function convertFromMessages(messages: z.infer<typeof Message>[]): ModelM
}
}
if (imageParts.length > 0) {
const imageCount = cameraParts.length + screenParts.length;
if (imageCount > 0) {
const span = frameTimes.length >= 2
? ` spanning ${frameTimes[0]} to ${frameTimes[frameTimes.length - 1]}`
: frameTimes.length === 1
? ` captured at ${frameTimes[0]}`
: '';
textSegments.push(`[Video mode: ${imageParts.length} live webcam frame${imageParts.length === 1 ? '' : 's'} of the user attached below, oldest to newest,${span ? span + ',' : ''} recorded while they composed this message.]`);
const kinds: string[] = [];
if (cameraParts.length > 0) kinds.push(`${cameraParts.length} live webcam frame${cameraParts.length === 1 ? '' : 's'} of the user`);
if (screenParts.length > 0) kinds.push(`${screenParts.length} frame${screenParts.length === 1 ? '' : 's'} of the user's shared screen`);
textSegments.push(`[Video mode: ${kinds.join(' and ')} attached below, each group oldest to newest,${span ? span + ',' : ''} recorded while they composed this message.]`);
const content: Array<{ type: "text"; text: string } | EncodedImagePart> = [
{ type: "text", text: textSegments.join("\n") },
];
if (cameraParts.length > 0) {
content.push({ type: "text", text: "Webcam frames (oldest to newest):" }, ...cameraParts);
}
if (screenParts.length > 0) {
content.push({ type: "text", text: "Screen-share frames (oldest to newest):" }, ...screenParts);
}
result.push({
role: "user",
content: [
{ type: "text", text: textSegments.join("\n") },
...imageParts,
],
content,
providerOptions,
});
} else {

2
apps/x/packages/shared/src/message.ts
View file

@ -52,7 +52,7 @@ export const UserImagePart = z.object({
type: z.literal("image"),
data: z.string(), // base64-encoded image bytes (no data: prefix)
mediaType: z.string(), // MIME type ("image/jpeg")
source: z.enum(["camera"]).optional(),
source: z.enum(["camera", "screen"]).optional(),
capturedAt: z.string().optional(), // ISO timestamp of capture
});