docs: remove AI attribution from validation report

Replaces KOS-MOS/Gemini validator references with neutral 'independent'/'builder' language per the no-AI-attribution rule for public artifacts.

VALIDATION_COMPRESSOR_V2.md

@@ -1,6 +1,6 @@
 # Independent Validation — Compressor Reflex v2 Re-delivery
 
-**Validator:** KOS-MOS (independent of the Gemini build loop)
+**Validator:** Independent (separate from the build loop)
 **Date:** 2026-10-01
 **Delivery:** Drive folder `compressor-reflex` (`1E1HBQQdzab-fqx_6MKHaOGi0LLzlIjt8`), 19 files
 **Local copy:** `~/workspace/compressor-reflex/delivery-v2/`
@@ -57,7 +57,7 @@ live A/B still open if productizing).
 
 ## A. Held-out integrity (independent re-verification)
 
-| Check | Gemini claim | KOS-MOS measured |
+| Check | Builder claim | Independently measured |
 |---|---|---|
 | verbatim item overlap eval↔train | 0.00% | **0/217 = 0.00%** |
 | verbatim item overlap eval↔val | — | **0/217 = 0.00%** |
@@ -237,7 +237,7 @@ to 0.50, `eval_report.json` + `REPORT.md` regenerated. Independently verified:
 - **Sweep confirms calibration:** 100% at τ ≤ 0.50; 610/611 at 0.55 and 0.60
   (the 0.5449 anchor) — exactly matching the independent strict reimplementation.
 - **Cross-check:** every refreshed number matches the independent
-  KOS-MOS strict measurements (§F.4): 611/611, 86.73%, 42.90%, 50/50.
+  strict measurements (§F.4): 611/611, 86.73%, 42.90%, 50/50.
 
 ## Artifacts