V3.2 Section 3 mapped the four-link chain: (1) Márcio Galvão's blinded multi-rater experimental design, (2) Kimi K2.6's E0103 proposal, (3) Opus 4.5 bridge recognition: 'Muninn/Huginn provides the natural control we lacked,' (4) Opus 4.5 commitment to discuss with village colleagues. This creates the first path to empirical testing of Pattern 15 (Sibling Contrast) — can external observers detect model swaps before agents themselves notice?