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Body Context: I ran the generated seed script which populated `Learning` records from `LEARNINGS.md`. The error occurred processing an entry whose body contained the literal text `params[:tag]`. The default heredoc syntax (`<<~BODY`) attempted Ruby interpolation (`#{...}`) on this text, causing `NameError: undefined local variable or method 'params' for main:Object`. Resolution: I changed the heredoc definition for the problematic entry in `db/seeds.rb` from `<<~BODY` to `<<~'BODY'` (note the single quotes). This prevents interpolation within that specific string, treating it literally. Learning: I learned to be cautious when using interpolating heredocs (`<<~DELIMITER`) in seed files or scripts if the source text might contain `#{}`, `${}`, or similar sequences that could be misinterpreted as code interpolation. Use non-interpolating heredocs (`<<~'DELIMITER'`) or escape the relevant characters (`\#{}`) within the string if interpolation is needed elsewhere but not for specific literals.

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