refactor: reorganize backend modules into sub-packages for models, data, visualization, wafer, and controllers

src/pygui/backend/wafer/zwafer_models.py

@@ -0,0 +1,28 @@
+from dataclasses import dataclass, field
+from datetime import datetime
+from typing import Dict, List, Optional
+
+
+# ===== Sensor Geometry =====
+@dataclass
+class Sensor:
+    label: str
+    x: float
+    y: float
+
+
+# ===== Data Row =====
+@dataclass
+class DataRecord:
+    time: float
+    values: List[float] = field(default_factory=list)
+
+
+# ===== Parsed Z-Wafer Container =====
+@dataclass
+class ZWaferData:
+    date: datetime = field(default_factory=lambda: datetime.min)
+    serial: Optional[str] = None
+    header: Dict[str, str] = field(default_factory=dict)
+    sensors: List[Sensor] = field(default_factory=list)
+    csv_headers: List[str] = field(default_factory=list)