Club come entità principale, branding e fix infrastruttura streaming.

Introduce clubs con abbonamento, branding Active Storage e flusso registrazione società; corregge healthcheck MediaMTX (immagine distroless) e allinea dominio produzione matchlivetv.it.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/db/migrate/20260527160000_create_clubs_and_branding.rb

@@ -0,0 +1,60 @@
+class CreateClubsAndBranding < ActiveRecord::Migration[7.2]
+  def up
+    create_table :clubs, id: :uuid do |t|
+      t.string :name, null: false
+      t.string :sport, null: false, default: "volleyball"
+      t.string :logo_url
+      t.string :primary_color, null: false, default: "#e53935"
+      t.string :secondary_color, null: false, default: "#ffffff"
+      t.timestamps
+    end
+
+    create_table :club_memberships, id: :uuid do |t|
+      t.references :user, type: :uuid, null: false, foreign_key: true
+      t.references :club, type: :uuid, null: false, foreign_key: true
+      t.string :role, null: false, default: "owner"
+      t.timestamps
+    end
+    add_index :club_memberships, %i[user_id club_id], unique: true
+
+    add_reference :teams, :club, type: :uuid, foreign_key: true
+    add_column :teams, :primary_color, :string
+    add_column :teams, :secondary_color, :string
+
+    migrate_teams_to_clubs
+
+    change_column_null :teams, :club_id, false
+  end
+
+  def down
+    change_column_null :teams, :club_id, true
+    remove_column :teams, :secondary_color
+    remove_column :teams, :primary_color
+    remove_reference :teams, :club
+    drop_table :club_memberships
+    drop_table :clubs
+  end
+
+  private
+
+  def migrate_teams_to_clubs
+    say_with_time "Migrazione squadre → società" do
+      Team.find_each do |team|
+        owner_ut = UserTeam.find_by(team: team, role: "owner")
+        next unless owner_ut
+
+        club = Club.create!(
+          name: team.name,
+          sport: team.sport,
+          logo_url: team.logo_url,
+          primary_color: "#e53935",
+          secondary_color: "#ffffff"
+        )
+        ClubMembership.find_or_create_by!(user: owner_ut.user, club: club) do |m|
+          m.role = "owner"
+        end
+        team.update!(club: club)
+      end
+    end
+  end
+end

backend/db/migrate/20260527160100_move_subscriptions_to_clubs.rb

@@ -0,0 +1,32 @@
+class MoveSubscriptionsToClubs < ActiveRecord::Migration[7.2]
+  def up
+    unless column_exists?(:subscriptions, :club_id)
+      add_reference :subscriptions, :club, type: :uuid, foreign_key: true, index: { unique: true }
+    end
+
+    execute <<~SQL.squish
+      UPDATE subscriptions SET club_id = teams.club_id
+      FROM teams WHERE subscriptions.team_id = teams.id AND subscriptions.club_id IS NULL
+    SQL
+
+    if column_exists?(:subscriptions, :team_id)
+      remove_index :subscriptions, :team_id if index_exists?(:subscriptions, :team_id)
+      remove_reference :subscriptions, :team
+    end
+
+    change_column_null :subscriptions, :club_id, false if column_exists?(:subscriptions, :club_id)
+  end
+
+  def down
+    add_reference :subscriptions, :team, type: :uuid, foreign_key: true, index: { unique: true } unless column_exists?(:subscriptions, :team_id)
+
+    execute <<~SQL.squish
+      UPDATE subscriptions SET team_id = (
+        SELECT teams.id FROM teams WHERE teams.club_id = subscriptions.club_id ORDER BY teams.created_at LIMIT 1
+      )
+    SQL
+
+    remove_reference :subscriptions, :club if column_exists?(:subscriptions, :club_id)
+    change_column_null :subscriptions, :team_id, false
+  end
+end

backend/db/migrate/20260527160101_create_active_storage_tables.active_storage.rb

@@ -0,0 +1,57 @@
+# This migration comes from active_storage (originally 20170806125915)
+class CreateActiveStorageTables < ActiveRecord::Migration[7.0]
+  def change
+    # Use Active Record's configured type for primary and foreign keys
+    primary_key_type, foreign_key_type = primary_and_foreign_key_types
+
+    create_table :active_storage_blobs, id: primary_key_type do |t|
+      t.string   :key,          null: false
+      t.string   :filename,     null: false
+      t.string   :content_type
+      t.text     :metadata
+      t.string   :service_name, null: false
+      t.bigint   :byte_size,    null: false
+      t.string   :checksum
+
+      if connection.supports_datetime_with_precision?
+        t.datetime :created_at, precision: 6, null: false
+      else
+        t.datetime :created_at, null: false
+      end
+
+      t.index [ :key ], unique: true
+    end
+
+    create_table :active_storage_attachments, id: primary_key_type do |t|
+      t.string     :name,     null: false
+      t.references :record,   null: false, polymorphic: true, index: false, type: foreign_key_type
+      t.references :blob,     null: false, type: foreign_key_type
+
+      if connection.supports_datetime_with_precision?
+        t.datetime :created_at, precision: 6, null: false
+      else
+        t.datetime :created_at, null: false
+      end
+
+      t.index [ :record_type, :record_id, :name, :blob_id ], name: :index_active_storage_attachments_uniqueness, unique: true
+      t.foreign_key :active_storage_blobs, column: :blob_id
+    end
+
+    create_table :active_storage_variant_records, id: primary_key_type do |t|
+      t.belongs_to :blob, null: false, index: false, type: foreign_key_type
+      t.string :variation_digest, null: false
+
+      t.index [ :blob_id, :variation_digest ], name: :index_active_storage_variant_records_uniqueness, unique: true
+      t.foreign_key :active_storage_blobs, column: :blob_id
+    end
+  end
+
+  private
+    def primary_and_foreign_key_types
+      config = Rails.configuration.generators
+      setting = config.options[config.orm][:primary_key_type]
+      primary_key_type = setting || :primary_key
+      foreign_key_type = setting || :bigint
+      [ primary_key_type, foreign_key_type ]
+    end
+end