Aggiunge bitrate adattivo con qualità minima da regia e telemetria del telefono.

L'encoder scende in congestione e risale piano; la regia imposta il pavimento, mostra lo stato del telefono e apre il selettore dal bitrate colorato.

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

backend/db/migrate/20260813170000_add_min_quality_preset_to_stream_sessions.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddMinQualityPresetToStreamSessions < ActiveRecord::Migration[7.2]
+  def change
+    add_column :stream_sessions, :min_quality_preset, :string, default: "auto", null: false
+  end
+end

backend/db/migrate/20260813184100_add_thermal_state_to_device_states.rb

@@ -0,0 +1,5 @@
+class AddThermalStateToDeviceStates < ActiveRecord::Migration[7.2]
+  def change
+    add_column :device_states, :thermal_state, :string
+  end
+end

backend/db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.2].define(version: 2026_06_12_120000) do
+ActiveRecord::Schema[7.2].define(version: 2026_08_13_184100) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pgcrypto"
   enable_extension "plpgsql"
@@ -138,6 +138,7 @@ ActiveRecord::Schema[7.2].define(version: 2026_06_12_120000) do
     t.datetime "last_seen_at"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.string "thermal_state"
     t.index ["stream_session_id", "device_role"], name: "index_device_states_on_stream_session_id_and_device_role", unique: true
     t.index ["stream_session_id"], name: "index_device_states_on_stream_session_id"
   end
@@ -255,6 +256,29 @@ ActiveRecord::Schema[7.2].define(version: 2026_06_12_120000) do
     t.index ["stream_session_id"], name: "index_stream_events_on_stream_session_id"
   end
 
+  create_table "stream_nodes", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+    t.string "slug", null: false
+    t.string "hostname", null: false
+    t.string "role", default: "home", null: false
+    t.string "status", default: "ready", null: false
+    t.string "rtmp_base_url", null: false
+    t.string "hls_base_url", null: false
+    t.string "api_base_url", null: false
+    t.string "internal_rtmp_url"
+    t.string "internal_hls_url"
+    t.integer "max_publishers", default: 6, null: false
+    t.integer "max_relays", default: 6, null: false
+    t.string "provider", default: "local", null: false
+    t.string "provider_instance_id"
+    t.datetime "last_health_at"
+    t.jsonb "metadata", default: {}, null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["role"], name: "index_stream_nodes_on_role"
+    t.index ["slug"], name: "index_stream_nodes_on_slug", unique: true
+    t.index ["status"], name: "index_stream_nodes_on_status"
+  end
+
   create_table "stream_sessions", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "match_id", null: false
     t.uuid "user_id", null: false
@@ -280,10 +304,13 @@ ActiveRecord::Schema[7.2].define(version: 2026_06_12_120000) do
     t.datetime "updated_at", null: false
     t.string "regia_token_digest"
     t.datetime "regia_token_expires_at"
+    t.uuid "stream_node_id"
+    t.string "min_quality_preset", default: "auto", null: false
     t.index ["match_id"], name: "index_stream_sessions_on_match_id"
     t.index ["publish_token"], name: "index_stream_sessions_on_publish_token", unique: true
     t.index ["regia_token_digest"], name: "index_stream_sessions_on_regia_token_digest", unique: true
     t.index ["status"], name: "index_stream_sessions_on_status"
+    t.index ["stream_node_id"], name: "index_stream_sessions_on_stream_node_id"
     t.index ["user_id"], name: "index_stream_sessions_on_user_id"
   end
 
@@ -411,6 +438,7 @@ ActiveRecord::Schema[7.2].define(version: 2026_06_12_120000) do
   add_foreign_key "score_states", "stream_sessions"
   add_foreign_key "stream_events", "stream_sessions"
   add_foreign_key "stream_sessions", "matches"
+  add_foreign_key "stream_sessions", "stream_nodes"
   add_foreign_key "stream_sessions", "users"
   add_foreign_key "subscriptions", "admin_accounts", column: "admin_comped_by_id"
   add_foreign_key "subscriptions", "clubs"