feat: pogoda, poprawki w wyświetlaniu. Clean Architecture

lib/BuddyDomain/BuddyLogic.h

@@ -0,0 +1,12 @@
+#pragma once
+#include "BuddyTypes.h"
+
+// Eye radius — used in blink state machine and main.cpp drawing
+static const uint8_t EYE_RY = 15;
+
+// Inject RNG so tests can supply a deterministic function
+using RngFn = int32_t(*)(int32_t lo, int32_t hi);
+
+void initBuddy(BuddyState &b, uint32_t now);
+void setBuddyMood(BuddyState &b, Mood m, uint32_t now, uint32_t durationMs = 0);
+void updateBuddyAnim(BuddyState &b, uint32_t now, RngFn rng);