Elimina i path MediaMTX orfani dopo ogni diretta.

Corregge il cleanup dei path live/match_{uuid}, rimuove sempre il path a fine sessione e lo esegue ogni ora via cron.

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

backend/lib/tasks/stream_sessions.rake

@@ -19,32 +19,14 @@ namespace :streams do
       puts "  ended #{session.id} (fallback: #{e.message})"
     end
 
-    removed = cleanup_orphan_mediamtx_paths(client, online)
-    puts "Path MediaMTX rimossi: #{removed}"
+    result = Mediamtx::CleanupOrphanPaths.new(client: client).call
+    puts "Path MediaMTX rimossi: #{result.removed} (saltati: #{result.skipped})"
     puts "Fatto."
   end
-end
 
-def cleanup_orphan_mediamtx_paths(client, online_paths)
-  removed = 0
-
-  client.list_paths.each do |item|
-    name = item["name"]
-    next unless name&.start_with?("match_")
-
-    session_id = name.delete_prefix("match_")
-    session = StreamSession.find_by(id: session_id)
-    should_remove = !online_paths.include?(name) &&
-                    (session.nil? || %w[ended error].include?(session.status))
-
-    next unless should_remove
-
-    client.delete_path_name(name)
-    removed += 1
-    puts "  deleted path #{name}"
-  rescue Mediamtx::Client::Error, Faraday::Error => e
-    puts "  skip #{name}: #{e.message}"
+  desc "Rimuove path MediaMTX orfani (dirette già terminate)"
+  task cleanup_orphan_paths: :environment do
+    result = Mediamtx::CleanupOrphanPaths.new.call
+    puts "Path MediaMTX rimossi: #{result.removed} (saltati: #{result.skipped})"
   end
-
-  removed
 end