feat(api): add response_model= to logs, git_mcp, analytics_llm_patterns, voice, skills_governance (#5317)

[mrveiss]

Summary

• Annotates 43 endpoints; 30 new Pydantic models in schemas_common.py
• Full typed coverage for git_mcp, analytics_llm_patterns, skills_governance; partial for logs/voice (StreamingResponse endpoints get None)

Part of #5317 (Round 5b)

🤖 Generated with Claude Code

[github-actions]

⚠️ SSOT Configuration Compliance: Violations Found

Metric	Count
Total Violations	5
SSOT Violations (high priority)	1
Other Violations	4

⚠️ 1 values have SSOT config equivalents!

These should be replaced with SSOT config imports:

Python:

from src.config.ssot_config import config
# Use: config.vm.main, config.port.backend, config.backend_url

TypeScript:

import config from '@/config/ssot-config'
// Use: config.vm.main, config.port.backend, config.backendUrl

📖 See SSOT_CONFIG_GUIDE.md for documentation.