fix: manejar error 401 automaticamente y agregar migracion de columnas routes

backend/alembic/versions/a1b2c3d4e5f6_merge_heads_and_fix_routes.py

@@ -0,0 +1,38 @@
+"""Fix routes table: ensure color, direction, average_speed_kmh columns exist
+
+This migration uses IF NOT EXISTS to safely add missing columns regardless
+of the current database state in production.
+
+Revision ID: a1b2c3d4e5f6
+Revises: ffcd1234abcd
+Create Date: 2026-02-26 00:30:00.000000
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'a1b2c3d4e5f6'
+down_revision: Union[str, None] = 'ffcd1234abcd'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # Use raw SQL with IF NOT EXISTS to be safe regardless of prior migration state.
+    # This ensures the columns exist in production even if the previous migration
+    # had issues being applied.
+    with op.get_context().autocommit_block():
+        op.execute("ALTER TABLE routes ADD COLUMN IF NOT EXISTS color VARCHAR DEFAULT '#FEE715'")
+        op.execute("ALTER TABLE routes ADD COLUMN IF NOT EXISTS direction VARCHAR DEFAULT 'outbound'")
+        op.execute("ALTER TABLE routes ADD COLUMN IF NOT EXISTS average_speed_kmh FLOAT")
+        # Update any existing NULLs
+        op.execute("UPDATE routes SET color = '#FEE715' WHERE color IS NULL")
+        op.execute("UPDATE routes SET direction = 'outbound' WHERE direction IS NULL")
+
+
+def downgrade() -> None:
+    pass