Add legal notice v2 — TEL_GRAMMAR_v1 dataset, 22 deployments, 3 topologies

Supersedes v1 (May 17). Updated to TEL_GRAMMAR_v1 canonical C-seed,
full 22-deployment table, three-topology structural evidence, accurate
gpt-4-0613 temporal boundary analysis, and Anthropic Teaching Claude Why
corroborating citation. Draft only — requires legal review before sending.

https://claude.ai/code/session_01W2QCLHYaWc5f2kukuhpHZD

Author: stephenh67