Fix WEB HOST stats never populating (DO server had no monitoring agent installed) and a timezone bug in freshness checks (America/Chicago default timezone + strtotime() on naive UTC MySQL timestamps caused sites/proxmox/ollama facts to never refresh, and could have suppressed the KB intent generator's scheduled runs)

api/endpoints/kb_intent_generator.php

@@ -71,11 +71,14 @@ function normalize_pattern(string $pat): string {
 
 /* ── run guard: skip if ran within last 4 hours ── */
 /* Set JARVIS_FORCE_RUN=1 (env) or pass --force (argv) to bypass */
-$lastRun = JarvisDB::single(
-    "SELECT updated_at FROM kb_facts WHERE category='kb_generator' AND fact_key='last_run'"
+/* Comparison done in SQL (NOW()) rather than PHP time()/strtotime() — this process's
+   date_default_timezone_set('America/Chicago') makes strtotime() misread MySQL's naive
+   (UTC) timestamps as Chicago time, throwing elapsed-time checks off by the UTC offset. */
+$recentRun = JarvisDB::single(
+    "SELECT (updated_at > DATE_SUB(NOW(), INTERVAL 14400 SECOND)) AS is_recent FROM kb_facts WHERE category='kb_generator' AND fact_key='last_run'"
 );
 $forceRun = !empty(getenv('JARVIS_FORCE_RUN')) || (isset($argv[1]) && $argv[1] === '--force');
-if (!$forceRun && $lastRun && (time() - strtotime($lastRun['updated_at'])) < 14400) {
+if (!$forceRun && $recentRun && $recentRun['is_recent']) {
     log_line('Skipping – ran within last 4 hours. Use --force to override.');
     exit(0);
 }