Compound Score — the quick vibe meter
- Lexicon + rules: simple, fast, no training needed.
- Good words ➜ add points; bad words ➜ subtract.
- Negation flips (“not good”), intensifiers boost (“very good”).
- Understands emojis & slang (“lol”, “🔥”).
- Outputs pos/neu/neg and a compound score in [-1, 1].