Armiger v3.4.0

Update the pinned model bundle to 3.4.0 (v3.0-gold-r13.4 on NorviTech/armiger-ultra at aa760eeea91fba887124e535dcd1df7496591cea, DHT seq=10 / seq=3010), sync the v3.4.0 calibration.json parameters and bundle plugin manifests, and refresh the canonical evaluation and overview charts (91.87% 10-class category accuracy, 85.08% video slice, 84.44% title matching, 90.20% byte-verified speech).