Mejora de fromts

backend/migrations/versions/b7c8d9e0f1a2_add_ticket_indexes.py

@@ -0,0 +1,43 @@
+"""add_ticket_indexes
+
+Revision ID: b7c8d9e0f1a2
+Revises: fix_client_timestamps
+Create Date: 2026-03-03 00:00:00.000000
+
+Agrega índices a la tabla tickets para optimizar queries frecuentes:
+  - idx_tickets_status            → filtros por estado
+  - idx_tickets_priority          → filtros por prioridad
+  - idx_tickets_assigned_to       → tickets por agente asignado
+  - idx_tickets_tenant_status     → compuesto multi-tenant (tenant_id, status)
+"""
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = 'b7c8d9e0f1a2'
+down_revision = 'fix_client_timestamps'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.execute(
+        "CREATE INDEX IF NOT EXISTS idx_tickets_status ON tickets (status)"
+    )
+    op.execute(
+        "CREATE INDEX IF NOT EXISTS idx_tickets_priority ON tickets (priority)"
+    )
+    op.execute(
+        "CREATE INDEX IF NOT EXISTS idx_tickets_assigned_to "
+        "ON tickets (assigned_to) WHERE assigned_to IS NOT NULL"
+    )
+    op.execute(
+        "CREATE INDEX IF NOT EXISTS idx_tickets_tenant_status "
+        "ON tickets (tenant_id, status)"
+    )
+
+
+def downgrade() -> None:
+    op.execute("DROP INDEX IF EXISTS idx_tickets_tenant_status")
+    op.execute("DROP INDEX IF EXISTS idx_tickets_assigned_to")
+    op.execute("DROP INDEX IF EXISTS idx_tickets_priority")
+    op.execute("DROP INDEX IF EXISTS idx_tickets_status")