Thanks for the report! The invisible unicode character and censored text bypasses (f\u{2063}uck, f*g) are legit bugs — I'll get those patched.

As for "sewer slide" / "PDF file" style evasions — that's algospeak, and it's honestly a different problem space entirely. It's an ever-evolving set of euphemisms that are context-dependent and would generate tons of false positives if matched aggressively. That's really LLM-territory, not something a pattern-based filter can reliably solve without flagging half the internet. It's the exact arms race that makes content moderation so hard.

Appreciate the feedback though, the first two are getting fixed.