feat(compiler): finalize frame-local typing and ownership

[fffonion]

Summary

• Finalizes frame-aware local liveness and slot allocation.
• Preserves callable schemas across modules, dynamic container typing, live parameters, mutable closure sharing, JIT root-callable registration, and JSON map typing.
• Folds the compiler, typing, ownership, and JSON fixes through the former Agent pin into this layer.

Stack

• Base: feat(vm): expose cancellable invocation item streams #23
• Next: feat(http): add bounded request and callable SSE clients #26

Verification

• Compiler: 299 passed
• Ownership: 16 passed
• JSON runtime: 7 passed
• Wire: 21 passed
• no-std: 21 passed
• Workspace all-features compile and strict Clippy passed