Remove DG scripts in favor of Python scripting

lib/scripts/sample_patrol.py

@@ -0,0 +1,39 @@
+# NPC patrol script example (attach to a mob trigger)
+
+# Track per-NPC patrol state by uid.
+patrol_state = {}
+# Ordered list of target room vnums for the patrol route.
+patrol_route = [103, 105, 153, 149, 100]
+
+def on_trigger(event):
+    # The mob this trigger is attached to.
+    npc = event["self"]
+    # Unique runtime id used to track this NPC's state.
+    uid = npc.uid
+    # Lookup or create state for this NPC.
+    state = patrol_state.get(uid)
+    if state is None:
+        # Start at the first patrol target.
+        state = {"target": 0}
+        patrol_state[uid] = state
+
+    # Current target room vnum.
+    target = patrol_route[state["target"]]
+
+    # If already at target, advance to the next.
+    if npc.room.vnum == target:
+        state["target"] = (state["target"] + 1) % len(patrol_route)
+        target = patrol_route[state["target"]]
+
+    # Move one step toward the target room vnum.
+    if not mud.move(target, actor=npc):
+        mud.log(f"sample_patrol: no path to {target}", actor=npc)
+
+    # Optional flavor emotes at specific rooms.
+    if npc.room.vnum == 153:
+        mud.emote("looks around carefully", actor=npc)
+    elif npc.room.vnum == 149:
+        mud.emote("sniffs the air", actor=npc)
+
+    # Sleep to schedule the next patrol tick.
+    mud.sleep(3)