Aggiunge replay YouTube temporaneo, pull registrazioni dai CPX e snapshot ingest in admin.

Così overflow Hetzner e VOD YouTube restano in archivio dopo lo spegnimento del nodo, e la colonna ingest non si svuota.

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

backend/app/services/youtube/vod_status.rb

@@ -0,0 +1,85 @@
+# frozen_string_literal: true
+
+module Youtube
+  # Stato VOD dopo una live (broadcast_id ≈ video_id su YouTube).
+  class VodStatus
+    class Error < StandardError; end
+
+    Result = Struct.new(
+      :ready,
+      :video_id,
+      :title,
+      :duration_secs,
+      :thumbnail_url,
+      :privacy_status,
+      :upload_status,
+      keyword_init: true
+    )
+
+    def initialize(team, channel: "team")
+      @team = team
+      @channel = channel
+    end
+
+    def fetch(video_id)
+      raise Error, "video_id mancante" if video_id.blank?
+
+      if mock_or_unconfigured?(video_id)
+        return Result.new(
+          ready: true,
+          video_id: video_id,
+          title: nil,
+          duration_secs: nil,
+          thumbnail_url: nil,
+          privacy_status: "unlisted",
+          upload_status: "processed"
+        )
+      end
+
+      client = authorized_client
+      item = client.list_videos("snippet,contentDetails,status", id: video_id).items&.first
+      return Result.new(ready: false, video_id: video_id) if item.blank?
+
+      upload_status = item.status&.upload_status.to_s
+      ready = upload_status.in?(%w[processed uploaded]) ||
+              (item.snippet.present? && upload_status != "deleted" && upload_status != "rejected" && upload_status != "failed")
+
+      Result.new(
+        ready: ready,
+        video_id: item.id,
+        title: item.snippet&.title,
+        duration_secs: parse_duration(item.content_details&.duration),
+        thumbnail_url: item.snippet&.thumbnails&.high&.url || item.snippet&.thumbnails&.default&.url,
+        privacy_status: item.status&.privacy_status,
+        upload_status: upload_status
+      )
+    rescue Google::Apis::Error => e
+      raise Error, e.message
+    end
+
+    private
+
+    def mock_or_unconfigured?(video_id)
+      video_id.to_s.start_with?("mock_") ||
+        ENV["YOUTUBE_CLIENT_ID"].blank? ||
+        CredentialResolver.new(@team, channel: @channel).resolve.blank?
+    end
+
+    def authorized_client
+      credential = CredentialResolver.new(@team, channel: @channel).resolve
+      raise Error, "Credenziali YouTube non disponibili" if credential.blank?
+
+      OauthRefresh.new(credential).apply!(Google::Apis::YoutubeV3::YouTubeService.new)
+    end
+
+    def parse_duration(iso)
+      return nil if iso.blank?
+
+      # PT1H2M3S
+      match = iso.match(/\APT(?:(\d+)H)?(?:(\d+)M)?(?:(\d+)S)?\z/)
+      return nil unless match
+
+      match[1].to_i * 3600 + match[2].to_i * 60 + match[3].to_i
+    end
+  end
+end