Fix JET name collisions in @resumable expansion

[Krastanov-agent]

Summary

• make top-level generated names in @resumable collision-resistant under JET/Revise replay
• keep the fix minimal by changing only the generated binding names
• preserve the current inference path from PR changes/simplifications/bugfixes to support v1.12 #147

Root cause

JET.report_package replays top-level definitions through Revise/JuliaInterpreter. In that path, plain gensym()-derived top-level bindings from separate @resumable expansions can collide, which makes different helper methods and generated types share the same name.

That is why only(methods(inferfn, Tuple)) started failing after PR #147: it was seeing multiple methods attached to a collided helper binding, not a genuine ambiguity in the resumable function being analyzed.

Verification

Reproduced and fixed with a clean direct CLI run, outside the package test runner:

using JET, QuantumSavory
rep = JET.report_package(QuantumSavory; target_modules=(QuantumSavory,))
length(JET.get_reports(rep)) == 0

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.57%. Comparing base (e686793) to head (d8fef77).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #159      +/-   ##
==========================================
- Coverage   80.86%   80.57%   -0.30%     
==========================================
  Files           6        6              
  Lines         690      695       +5     
==========================================
+ Hits          558      560       +2     
- Misses        132      135       +3     

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