feat: add CloudClient and rewrite wire protocol for Rust compatibility #353

Job	Run time
🔨 Verify Functions Are Implemented	1s
🚫 Block TODO/STUB/FAKE Code	1d 0h 0m 0s
🎯 Code Quality Check	1s
✅ ALL Tests Must Pass (3.12)	1d 0h 0m 0s
🧪 Anti-Stub Tests	1s
🚀 Deployment Gate	-1s
📦 Publish to PyPI	0s
	2d 0h 0m 2s

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