Update plugin for proto v0.60

[konomae]

Summary

• upgrade the proto PDK and test dependencies for proto v0.60
• migrate the version and host-environment APIs to match the current Bun and Deno plugins
• update the shim registry snapshot for the v0.60 schema
• bump the plugin version to 0.12.0 for the compatibility release

Why

The previous WASM was built against an older PDK context shape. When loaded by proto v0.60, plugin calls could fail while deserializing the context with missing field tool_dir.

This also includes the proto v0.59-era VersionSpec::Semantic to VersionSpec::Version migration required before applying the v0.60 changes.

Impact

The newly built WASM requires proto 0.60.0 or newer. Zig release versions and master/canary builds continue to resolve and install through the same plugin interface.

Validation

• cargo fmt --all --check
• cargo clippy --workspace --all-targets
• PROTO_LOOKUP_DIR=/opt/homebrew/bin cargo test --no-default-features (26 tests passed)
• cargo build --release --target wasm32-wasip1
• proto 0.60.2: proto versions zig-test

[Copilot]

Pull request overview

Updates the Zig proto plugin to be compatible with proto v0.60 by upgrading the proto PDK/test utilities and aligning plugin API usage (version spec + host env) with the updated schema and conventions.

Changes:

• Bump proto compatibility (minimum_proto_version) to 0.60.0 and update PDK usage (Default::default(), check_supported_os_and_arch call shape, VersionSpec::Version pattern).
• Adjust version/build handling to the new build: Option<_> representation (is_some() checks).
• Refresh test expectations and shim registry snapshot to the v0.60 schema.

Reviewed changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/proto.rs	Updates minimum proto version and adapts to new host env + version spec/build metadata APIs.
tests/versions_test.rs	Updates master alias assertion for new build metadata representation.
tests/snapshots/shims_test__creates_shims.snap	Updates shim registry snapshot keys/shape to match v0.60 schema.
Cargo.toml	Bumps crate/plugin version and updates proto PDK + dev dependency versions.
Cargo.lock	Lockfile refresh reflecting upgraded dependency graph for v0.60 compatibility.

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