docs: update launch capacity and postgres tuning

scripts/postgres-tuning-evidence.js

@@ -217,6 +217,9 @@ function evaluateProfile(settingsRows, profile) {
       if (actual !== String(rule.exact).toLowerCase()) {
         failures.push(`${name} should be ${rule.exact} for ${profile.label}, got ${setting.setting}.`);
       }
+      if (String(setting.source || '').toLowerCase() === 'default') {
+        warnings.push(`${name} still comes from default; recommended ${profile.name} value is ${rule.recommended}.`);
+      }
       continue;
     }
     if (rule.min !== undefined) {