feat: add simulation settings and location board redesign

Co-Authored-By: Claude <noreply@anthropic.com>

app/models.py

@@ -3,7 +3,7 @@ from __future__ import annotations
 import uuid
 from datetime import datetime, timezone
 
-from sqlalchemy import Boolean, DateTime, ForeignKey, Integer, Numeric, String, Text, Uuid
+from sqlalchemy import Boolean, DateTime, ForeignKey, Index, Integer, Numeric, String, Text, Uuid
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from app.extensions import db
@@ -22,6 +22,13 @@ class TimestampMixin:
     )
 
 
+class SimulationSetting(TimestampMixin, db.Model):
+    __tablename__ = "simulation_settings"
+
+    key: Mapped[str] = mapped_column(String(255), primary_key=True)
+    value: Mapped[str] = mapped_column(Text, nullable=False)
+
+
 class EngineFamily(TimestampMixin, db.Model):
     __tablename__ = "engine_families"
 
@@ -130,9 +137,10 @@ class VehicleCost(TimestampMixin, db.Model):
 
 class Asset(TimestampMixin, db.Model):
     __tablename__ = "assets"
+    __table_args__ = (Index("ix_assets_name", "name"),)
 
     id: Mapped[uuid.UUID] = mapped_column(Uuid, primary_key=True, default=uuid.uuid4)
-    name: Mapped[str] = mapped_column(String(255), nullable=False, unique=True, index=True)
+    name: Mapped[str] = mapped_column(String(255), nullable=False, unique=True)
     asset_type: Mapped[str] = mapped_column(String(120), nullable=False, index=True)
     is_retired: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
     program: Mapped[str | None] = mapped_column(String(255))