The three late-binding keywords (self, static, parent) resolve in one place: Domain\LateBindingKeyword

[Firehed]

Consolidates self/static/parent identification and resolution onto Domain\LateBindingKeyword. Every reader now calls LateBindingKeyword::tryFromName() to identify a keyword and LateBindingKeyword::resolveIn() to resolve it against an enclosing class-like node — the parent-of-non-Class_ guard exists once, on the enum.

Done

• No src/ file outside the enum compares against the three keyword literals in a class-name-resolution context — pinned by LateBindingKeywordConfinementTest::testNoSrcFileComparesAgainstKeywordLiterals.
• A text-path and an AST-path test exercise the same behavior through one code path — ScopeFinderTest::testResolveClassNameInContext* and MemberAccessDetectorTest both route through LateBindingKeyword::resolveIn().
• The architecture test is green — LateBindingKeywordConfinementTest (with the canary testScannerCatchesEveryComparisonForm driving every comparison form).

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.39%. Comparing base (4dfafb5) to head (445c1b4).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #481      +/-   ##
============================================
- Coverage     99.39%   99.39%   -0.01%     
+ Complexity     1863     1857       -6     
============================================
  Files           132      133       +1     
  Lines          4789     4780       -9     
============================================
- Hits           4760     4751       -9     
  Misses           29       29              

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