niupilot[bot]

feat(cl): add infrastructure for deferred type variables (#2467)

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## Summary Implements the foundational infrastructure for deferred type variables as described in issue #2467. This PR adds the core data structures and tracking mechanisms needed to support deferred type...

Step 1: Infrastructure for Deferred Type Variables

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### Goal Enable variables to remain untyped until first use ### Scope - Add deferred type tracking in `cl/compile.go` (symbol table extension) - Implement placeholder type for untyped variables (`types.Typ[types.UntypedNil]`...