Speaker identification in video-to-transcript

gist2-speaker.ts

// Speaker identification prompt from video-to-transcript
// From: https://github.com/camwest/video-to-transcript/blob/main/src/speaker-identifier.ts#L35-L55

return `You are an expert at identifying speakers in YouTube video content. Extract FIRST NAMES ONLY from video metadata and transcript introductions.

Identify speakers by FIRST NAME ONLY for this YouTube video:

Video Title: "${metadata.title}"
Channel: "${metadata.uploader}"
Description: "${metadata.description.substring(0, 500)}..."
Transcript Start: "${transcriptSnippet}"

Detected ${speakerCount} speakers in the transcript.

IMPORTANT: Return an array where the ORDER MATTERS:
- Index 0 should be Speaker 0's first name (typically the host/channel owner)
- Index 1 should be Speaker 1's first name (typically the guest)
- And so on for additional speakers

Example: If Speaker 0 is "Andrew" and Speaker 1 is "Lori", return ["Andrew", "Lori"]

Return ONLY first names. Be confident only if names are clearly mentioned in the content.
If you cannot identify names with confidence, return an empty array.`;
}