Files
Claude 520e86b8c8 Add Liquid Drop support for compiled templates
- Create CompiledContext class that duck-types to Liquid::Context
- CompiledContext provides: variable lookup, registers, strict_* flags
- Update __lookup__ helper to:
  - Set context on Drops BEFORE accessing their methods
  - Call to_liquid on objects before lookup
  - Set context on nested Drop results
- Change __lookup__ from def to lambda to capture __context__ closure
- Update expression compiler to use __lookup__.call() syntax
- Add CompiledTemplate.call options: registers, strict_variables, strict_filters

Tests added:
- test_compile_with_drop: Basic Drop property access
- test_compile_with_drop_context_access: Drop using context to access other vars
- test_compile_with_nested_drops: Chained Drop lookups
- test_compile_with_forloop_drop: Built-in forloop compatibility
- test_compile_with_registers: Drop accessing registers via context

All 51 tests pass, 30/30 benchmark templates produce matching output.
2025-12-31 15:21:30 +00:00
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