feat(truapi-platform): add host capability traits

[pgherveou]

New crate defining the host syscall traits (storage, navigation, consent, permissions, ...) that host runtimes implement. Types are re-exported from truapi::versioned / v01 rather than redefined.

---

Stack

Part of the Rust core runtime port (umbrella: #104), split into a reviewable stack. Merge bottom-up.

1. feat(truapi): add testing API and versioned wiring #248 — truapi: testing API + versioned wiring
2. feat(truapi-platform): add host capability traits #249 — truapi-platform: host capability traits 👈
3. feat(truapi-codegen): emit Rust dispatcher, wire table, and host callbacks #254 — truapi-codegen: Rust dispatcher + wire table
4. feat(truapi-server): add host logic primitives #255 — truapi-server: host logic primitives
5. feat(truapi-server): add wire and chain infrastructure #256 — truapi-server: wire and chain infrastructure
6. feat(truapi-server): add platform runtime and host bridge #250 — truapi-server: platform runtime and host bridge
7. feat(host-wasm): add @parity/truapi-host-wasm runtime #252 — host-wasm: @parity/truapi-host-wasm runtime
8. chore: docs, CI, tooling, and dotli integration for the Rust core #253 — docs, CI, tooling, dotli integration

[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	cargo/​async-trait@​0.1.89
	cargo/​url@​2.5.8
	cargo/​unicode-normalization@​0.1.25

View full report

[TarikGul]

I dont want to be a blocker for this so approving, but one bigger nit, and one smaller one.

[pgherveou]

sorry for the force-push 🙈 need to fixup my skills that dispatch the PR from the umbrella #104 so it does not do it anymore