updated reply to mpv

MPV/LUA/main.lua

@@ -1625,6 +1625,20 @@ local function _queue_pipeline_in_repl(pipeline_cmd, queued_message, failure_pre
         end
     end
 
+    local ipc_path = trim(tostring(get_mpv_ipc_path() or ''))
+    if ipc_path ~= '' then
+        if type(queue_metadata.mpv_notify) == 'table' and trim(tostring(queue_metadata.mpv_notify.ipc_path or '')) == '' then
+            queue_metadata.mpv_notify.ipc_path = ipc_path
+        end
+        if type(queue_metadata.mpv_callback) ~= 'table' then
+            queue_metadata.mpv_callback = {
+                ipc_path = ipc_path,
+                script = mp.get_script_name(),
+                message = 'medeia-pipeline-event',
+            }
+        end
+    end
+
     _lua_log(queue_label .. ': queueing repl cmd=' .. pipeline_cmd)
     do
         local queue_path, queue_err = _write_repl_queue_file_local(
@@ -1679,6 +1693,26 @@ local function _queue_pipeline_in_repl(pipeline_cmd, queued_message, failure_pre
     return true
 end
 
+mp.register_script_message('medeia-pipeline-event', function(json)
+    local ok, payload = pcall(utils.parse_json, json)
+    if not ok or type(payload) ~= 'table' then
+        _lua_log('pipeline-event: invalid payload=' .. tostring(json or ''))
+        return
+    end
+
+    local encoded = utils.format_json(payload)
+    if type(encoded) == 'string' and encoded ~= '' then
+        pcall(mp.set_property, 'user-data/medeia-last-pipeline-event', encoded)
+    end
+
+    _lua_log(
+        'pipeline-event: phase=' .. tostring(payload.phase or '')
+            .. ' success=' .. tostring(payload.success)
+            .. ' kind=' .. tostring(payload.kind or '')
+            .. ' error=' .. tostring(payload.error or '')
+    )
+end)
+
 local function _start_screenshot_store_save(store, out_path, tags)
     store = _normalize_store_name(store)
     out_path = _normalize_fs_path(out_path)