Added a separate table to record background job status for tournaments and fixed migrations/schemas for solid dbs. Foreign key constraints are now added to the migrations where we do belongs_to.

app/models/tournament_job_status.rb

@@ -0,0 +1,22 @@
+class TournamentJobStatus < ApplicationRecord
+  belongs_to :tournament, optional: false
+  
+  # Validations
+  validates :job_name, presence: true
+  validates :status, presence: true
+  validates_inclusion_of :status, in: ["Queued", "Running", "Errored"], allow_nil: false
+  validates :tournament, presence: true
+  
+  # Scopes
+  scope :active, -> { where.not(status: "Errored") }
+  
+  # Class methods to find jobs for a tournament
+  def self.for_tournament(tournament)
+    where(tournament_id: tournament.id)
+  end
+  
+  # Clean up completed jobs (should be called when job finishes successfully)
+  def self.complete_job(tournament_id, job_name)
+    where(tournament_id: tournament_id, job_name: job_name).destroy_all
+  end
+end