Redacted excerpt; full evidence withheld.

$ cd <guest-path> && ls -la && id -u && python3 --version && (git status 2>&1 | head -3); cat README.md 2>/dev/null | head -150
exit: 0
question — does this
  value belong — and to it `Any` admits every value, exactly as `anything` does.
  They are the same schema and obey the same laws; what you wrote is kept for
  `repr`, not for the algebra.
- **Check, don't parse.** `validate`/`is_valid` never copy or coerce; the proof
  is about the object you keep, not a reconstructed copy. `ensure` is the
  separate, explicit value-returning mode.
- **Typing-first.** Standard annotations are the primary notation, read through
  the typing spec's own introspection. Union has the operator typing already
  uses, `|`; intersection and complement stay spelled out because typing has no
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