Summary

Implement component instantiation, imported-instance resolution, and WIT world linking so Preview2 packages can be wired into real component worlds.

Parent tracking issue: #55
Suggested implementation order: 4 / 14

Suggested dependencies

• Implement component-model binary decoding and validation required for WASI Preview 2 #56 Implement component-model binary decoding and validation required for WASI Preview 2
• Implement resource handle tables and lifecycle semantics required for WASI Preview 2 #58 Implement resource handle tables and lifecycle semantics required for WASI Preview 2

References

• https://github.com/WebAssembly/WASI/blob/main/docs/Preview2.md
• https://github.com/WebAssembly/component-model/blob/c7176a512c0bbe4654849f4ba221c1a71c7cf514/design/mvp/Linking.md
• https://github.com/WebAssembly/component-model/blob/c7176a512c0bbe4654849f4ba221c1a71c7cf514/design/mvp/WIT.md
• https://github.com/WebAssembly/component-model/blob/c7176a512c0bbe4654849f4ba221c1a71c7cf514/design/mvp/Explainer.md

Acceptance criteria

• Component instances can be instantiated with imported interfaces and worlds.
• Exported component worlds/interfaces can be linked and invoked through the runtime.
• Tests cover representative host-import and export-linking flows.