Serialize every semantic AST field explicitly so identical reviewed Torch
definitions produce the same fingerprint on Python 3.11 and 3.13. Retain
loaded-code, decorator, closure and context-factory validation, with no new
admitted source profile.
Add regression coverage for empty fields, generic parameters, semantic edits
and dependency rejection. All 185 tests and required compile checks pass;
seven reference fingerprints and native decorator fixtures agree across both
Python versions. Serving-host acceptance remains pending.