Sync: v3.4.5 Scale-Ready release - tiered storage, graph pruning, scaling features

chore: update license references across product ecosystem Legal: Updated license references to reflect new licensing. This is a licensing change only — no code changes. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

chore: update license references to Elastic License 2.0

V3 documentation: new wiki pages, V2 archived Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>