Record token usage per turn and show daily, weekly and all-time totals by host

Plugin/unraid/Tools/ai_chat_worker.php

@@ -363,6 +363,11 @@ if ($profile === 'code' && preg_match_all('/```(?:\w+)?\n(.*?)```/s', $answer, $
 
 $evalCount = (int)($d['eval_count'] ?? 0);
 $evalNs    = (int)($d['eval_duration'] ?? 0);
+$tokS      = $evalNs > 0 ? round($evalCount / ($evalNs / 1e9), 1) : null;
+
+// Accounting before the job file is written, so a turn is counted even if the tab has already
+// been closed and nobody ever reads the result. Best-effort by contract — it cannot throw.
+vv_ai_token_record($profile, 'webgui', (int)($d['prompt_eval_count'] ?? 0), $evalCount, $tokS);
 
 jw($jobFile, [
     'status'   => 'done',
@@ -374,6 +379,6 @@ jw($jobFile, [
         'retrieve_ms' => (int)round($tRetrieve * 1000),
         'generate_ms' => (int)round((microtime(true) - $t1) * 1000),
         'tokens'      => $evalCount,
-        'tok_s'       => $evalNs > 0 ? round($evalCount / ($evalNs / 1e9), 1) : null,
+        'tok_s'       => $tokS,
     ],
 ]);