Approve tool use

The user has approved the tool use.

src/lib/moderation/actions.ts

@@ -177,14 +177,42 @@ export async function approvePhotoSubmission(
  * @param itemIds - Array of item IDs to approve
  * @returns Action result
  */
+/**
+ * Feature flag to enable atomic transaction RPC approval flow.
+ * Set to true to use the new process-selective-approval-v2 edge function
+ * that wraps the entire approval in a single PostgreSQL transaction.
+ * 
+ * Benefits of v2:
+ * - True atomic transactions (all-or-nothing)
+ * - Automatic rollback on ANY error
+ * - Network-resilient (edge function crash = auto rollback)
+ * - Eliminates orphaned entities
+ * 
+ * To enable: localStorage.setItem('use_rpc_approval', 'true')
+ * To disable: localStorage.setItem('use_rpc_approval', 'false')
+ */
+const USE_RPC_APPROVAL = typeof window !== 'undefined' && 
+  localStorage.getItem('use_rpc_approval') === 'true';
+
 export async function approveSubmissionItems(
   supabase: SupabaseClient,
   submissionId: string,
   itemIds: string[]
 ): Promise<ModerationActionResult> {
   try {
+    // Use v2 edge function if feature flag is enabled
+    const edgeFunctionName = USE_RPC_APPROVAL 
+      ? 'process-selective-approval-v2' 
+      : 'process-selective-approval';
+    
+    console.log(`[Approval] Using edge function: ${edgeFunctionName}`, {
+      submissionId,
+      itemCount: itemIds.length,
+      useRpcApproval: USE_RPC_APPROVAL
+    });
+
     const { data: approvalData, error: approvalError, requestId } = await invokeWithTracking(
-      'process-selective-approval',
+      edgeFunctionName,
       {
         itemIds,
         submissionId,