feat: complete Phase 5 RunPod + Chinese LLM integration (Tasks 5.1-5.11) #5

Job	Run time
Pre-deployment Validation	53s
Deploy to Production	0s
Critical E2E Tests	0s
Deploy to Staging	0s
Deployment Summary	4s
Post-deployment E2E Validation	0s
Rollback on Failure	0s
	57s

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