Salva telemetria client (OS, app, device, operatore) sulle sessioni per il debug admin.

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

backend/app/services/sessions/apply_client_info.rb

@@ -0,0 +1,72 @@
+# frozen_string_literal: true
+
+module Sessions
+  # Normalizza e applica fingerprint del client (OS, app, device, operatore)
+  # sulla sessione, a create e/o a ogni telemetry.
+  class ApplyClientInfo
+    OS_VALUES = %w[android ios].freeze
+    MAX_LEN = 80
+
+    ATTRS = %i[
+      client_os app_version app_build device_manufacturer device_model os_version carrier
+    ].freeze
+
+    def self.call(session, raw)
+      new(session, raw).call
+    end
+
+    def initialize(session, raw)
+      @session = session
+      @raw = normalize_hash(raw)
+    end
+
+    def call
+      attrs = extract_attrs
+      return @session if attrs.empty?
+
+      @session.assign_attributes(attrs)
+      @session.save! if @session.persisted? && @session.changed?
+      @session
+    end
+
+    private
+
+    def normalize_hash(raw)
+      return {} if raw.blank?
+
+      data = raw.respond_to?(:to_unsafe_h) ? raw.to_unsafe_h : raw
+      data = data.to_h if data.respond_to?(:to_h)
+      data.with_indifferent_access
+    rescue StandardError
+      {}
+    end
+
+    def extract_attrs
+      attrs = {}
+
+      os = @raw[:os].presence || @raw[:client_os].presence
+      os = os.to_s.downcase.strip
+      attrs[:client_os] = os if OS_VALUES.include?(os)
+
+      {
+        app_version: %i[app_version version],
+        app_build: %i[app_build build build_number],
+        device_manufacturer: %i[device_manufacturer manufacturer],
+        device_model: %i[device_model model],
+        os_version: %i[os_version system_version],
+        carrier: %i[carrier network_operator operator]
+      }.each do |column, keys|
+        value = keys.map { |k| @raw[k] }.find(&:present?)
+        next if value.blank?
+
+        attrs[column] = truncate(value.to_s.strip)
+      end
+
+      attrs
+    end
+
+    def truncate(value)
+      value.bytesize <= MAX_LEN ? value : value.byteslice(0, MAX_LEN)
+    end
+  end
+end

backend/app/services/sessions/create.rb

@@ -26,6 +26,7 @@ module Sessions
         target_fps: @params[:target_fps] || 30,
         status: "idle"
       )
+      Sessions::ApplyClientInfo.call(session, @params[:client])
 
       youtube_channel = nil
       if session.platform == "youtube"
@@ -46,8 +47,11 @@ module Sessions
           {
             created: true,
             platform: session.platform,
-            stream_node: session.stream_node&.slug
-          }
+            stream_node: session.stream_node&.slug,
+            client_os: session.client_os,
+            app_version: session.app_version,
+            device_model: session.device_model
+          }.compact
         )
       end