starting to implement realistic Vehicle simulation

app/simulation/modules/abs.py

@@ -0,0 +1,11 @@
+# app/simulation/modules/abs.py
+from __future__ import annotations
+from ..vehicle import Vehicle, Module
+
+class AbsModule(Module):
+    """Stub: deceleration limiting if ABS enabled (future: needs braking input)."""
+    def apply(self, v: Vehicle, dt: float) -> None:
+        _abs = bool(v.config.get("vehicle", {}).get("abs", True))
+        if not _abs:
+            return
+        # braking model folgt später