feat: add simulation settings and location board redesign

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

migrations/versions/c7e91a4b2d30_add_simulation_settings.py

@@ -0,0 +1,37 @@
+"""add simulation settings
+
+Revision ID: c7e91a4b2d30
+Revises: 2a4c9d8e7f10
+Create Date: 2026-07-17 18:30:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "c7e91a4b2d30"
+down_revision = "2a4c9d8e7f10"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # Some development databases received this table manually before it was
+    # brought under Alembic. Keep the migration safe for both those databases
+    # and clean installations.
+    if "simulation_settings" in sa.inspect(op.get_bind()).get_table_names():
+        return
+
+    op.create_table(
+        "simulation_settings",
+        sa.Column("key", sa.String(length=255), nullable=False),
+        sa.Column("value", sa.Text(), nullable=False),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.PrimaryKeyConstraint("key"),
+    )
+
+
+def downgrade():
+    if "simulation_settings" in sa.inspect(op.get_bind()).get_table_names():
+        op.drop_table("simulation_settings")