build: depend on the published crates.io canokey-c crate

[dangfan]

Replace the libcanokey Git revision pin (b709b3d) with the published canokey-c 0.1.0 crate from crates.io. The published C ABI header is byte-identical to the pinned revision, and the full macOS Debug build plus all 12 CTest contracts pass with the crates.io source.

Cargo.lock now records the crates.io registry checksum for canokey-c and its sibling canokey-* crates. Update the build documentation in README, architecture.md, AGENTS.md, and the libcanokey.cmake comment to describe the crates.io dependency instead of the Git pin.

Summary by CodeRabbit

• Build & Compatibility

  • Updated the Rust integration to use the published canokey-c release, providing a consistent dependency source while preserving existing PIV feature support.

• Documentation

  • Updated build instructions and architecture documentation to reflect the current dependency source and clarify dependency versioning.

[coderabbitai]

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Advanced

Run ID: 12d37294-23f7-4d65-b60b-b0a6948a90c4

📥 Commits

Reviewing files that changed from the base of the PR and between 106f77f and d41a330.

⛔ Files ignored due to path filters (1)

• Cargo.lock is excluded by !**/*.lock

📒 Files selected for processing (5)

• AGENTS.md
• Cargo.toml
• README.md
• cmake/libcanokey.cmake
• docs/architecture.md

Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review.

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📝 Walkthrough

Walkthrough

The Rust dependency changes from a pinned Git revision to the published crates.io canokey-c 0.1.0 release. Build comments and project documentation now describe the published dependency.

Changes

Published canokey-c dependency

Layer / File(s)	Summary
Dependency source and documentation alignment Cargo.toml, cmake/libcanokey.cmake, AGENTS.md, README.md, docs/architecture.md	Cargo.toml uses crates.io canokey-c 0.1.0 with the existing feature settings. Build comments and documentation now describe the published dependency instead of the pinned Git revision. No CMake build logic changed.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~5 minutes

Change: Other

Suggested reviewers: harry-chen

Merge Risk: ⚪ Minimal · up to d41a3

The published dependency is documented and no merge-blocking behavior is evidenced.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: replacing the pinned Git dependency with the published crates.io canokey-c crate.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Commit to this branch
• Create a new PR

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