Pre-release cleanup: TEE documentation, contracts, and integration tests

Description

This PR addresses several items from the open-source pre-release audit checklist.

Changes

• Hardcoded IP addresses — Verified and cleaned up any hardcoded IPs
• TEE documentation — Improved and updated the TEE README for clarity
• Smart contracts cleanup — Cleaned up contracts, verified make contracts-compile passes
• Private info removal — Audited multi-node scripts for any sensitive/private information
• Integration tests — Cleaned and documented local_tee_workflow.go (in progress)

Checklist

• Hardcoded IP addresses checked
• TEE README documentation improved
• Smart contracts compile cleanly (make contracts-compile)
• Private info removed from multi-node scripts
• [ x] local_tee_workflow.go cleaned and documented
  - [ ] ogd instead of evmd is under review