fix: parse JSON string values from MariaDB in org_config loader

MariaDB returns JSON columns as strings via mysql2 driver. Added
parseJsonValue() to handle both string and object values. Fixes
config not loading on production (always showing defaults).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/lib/server/config.ts

@@ -87,6 +87,13 @@ const KEY_MAP: Record<string, keyof OrgConfig> = {
 	setup_complete: 'setupComplete'
 };
 
+function parseJsonValue(value: unknown): unknown {
+	if (typeof value === 'string') {
+		try { return JSON.parse(value); } catch { return value; }
+	}
+	return value;
+}
+
 export function parseOrgConfig(rows: { key: string; value: unknown }[]): OrgConfig {
 	const config = structuredClone(DEFAULTS);
 
@@ -94,12 +101,14 @@ export function parseOrgConfig(rows: { key: string; value: unknown }[]): OrgConf
 		const configKey = KEY_MAP[row.key];
 		if (!configKey) continue;
 
+		const parsed = parseJsonValue(row.value);
+
 		if (configKey === 'setupComplete') {
-			config.setupComplete = Boolean(row.value);
+			config.setupComplete = Boolean(parsed);
 		} else {
 			config[configKey] = {
 				...config[configKey],
-				...(row.value as Record<string, unknown>)
+				...(parsed as Record<string, unknown>)
 			} as any;
 		}
 	}