feat: reads potentions from ljc file

diceplayer/config/dice_config.py

@@ -1,3 +1,5 @@
+from pathlib import Path
+
 from pydantic import BaseModel, ConfigDict, Field
 from typing_extensions import Literal
 
@@ -16,7 +18,7 @@ class DiceConfig(BaseModel):
         ..., description="Number of processes to use for the DICE simulations"
     )
 
-    ljname: str = Field(..., description="Name of the Lennard-Jones potential file")
+    ljname: Path = Field(..., description="Name of the Lennard-Jones potential file")
     outname: str = Field(
         ..., description="Name of the output file for the simulation results"
     )
@@ -47,10 +49,13 @@ class DiceConfig(BaseModel):
     isave: int = Field(1000, description="Frequency of saving the simulation results")
     press: float = Field(1.0, description="Pressure of the system")
     temp: float = Field(300.0, description="Temperature of the system")
-    progname: str = Field(
+    progname: Path = Field(
         "dice", description="Name of the program to run the simulation"
     )
     randominit: str = Field(
         "first", description="Method for initializing the random number generator"
     )
-    seed: int = Field(default_factory=lambda: random.randint(0, 2**32 - 1), description="Seed for the random number generator")
+    seed: int = Field(
+        default_factory=lambda: int(1e6 * random.random()),
+        description="Seed for the random number generator",
+    )