Log message to file and stdout.

Load status from JSON file.

Save status to JSON file.

Compute Jaccard similarity between two topic sets.

Format transcript entries into readable paragraphs. Groups approximately 30 seconds of text together to create natural paragraph breaks.

Format transcript entries into readable paragraphs.

Initialize or update status with current video list.

Convert new scrape format to match current skill format. Changes: - **Source:** -> **URL:** - **Type:** blog -> **Type:** Essay

Add line counts to each resource in index.

Count lines in a file.

Create a timestamped backup of the current references directory.

Extract the code prefix from filename (e.g., '8z' from '8z-how-to-get-startup-ideas.md')

Extract key paragraphs and create a concise summary.

Extract likely topics from headings in the content.

Extract YouTube ID from file content.

Extract YouTube ID from file content.

Fetch transcript from YouTube. Tries English first, then any available language. Returns formatted transcript text or None if unavailabl

Fetch transcript from YouTube. Returns: (transcript_text, status) where status is: - "success" if transcript fetched

Find the most related resources for a given resource.

Generate the complete index from all reference files.

Generate a lightweight quick-index.md for discovery.

Generate the complete summaries.md file.

Generate a summary entry for a resource.

Get sets of filenames in each directory.

Find video files that need transcripts fetched.

Get next batch of videos to process.

Check if file is a 404 placeholder.

Load the index.yaml file.

Merge resources from new scrape into current skill. Args: dry_run: If True, only report what would be done without making changes

Parse a reference file and extract metadata.

Process a batch of videos.

Reset rate-limited videos to pending for retry.

Scan references directory for all videos needing transcripts.

Show current status summary.

Append transcript to file after the existing content. Returns True if successful, False otherwise.

Append transcript to file.