fix(bridge): eliminate discord empty embed spam by disabling DOM observer proactive pending

- removed PATS in observer-script.ts
- step-probe.ts now handles 100% of pending detection with full RPC payload context
- DOM observer restricted to trigger-click polling only

extension/src/observer-script.ts

@@ -275,12 +275,9 @@ export function generateApprovalObserverScript(_port: number): string {
   // ONLY positive triggers should initiate a pending request group.
   // Negative/secondary buttons (Deny, Reject, Dismiss) will be collected as siblings.
   var PATS=[
-    {re:/^(?:Always\s*)?Run\b/i,           type:'terminal_command'},
-    {re:/^(?:Always\s*)?Accept(?: all)?\b/i,    type:'diff_review'},
-    {re:/^(?:Always\s*)?Accept\b/i,        type:'agent_step'},
-    {re:/^(?:Always\s*)?Allow\b/i, type:'permission'},
-    {re:/^(?:Always\s*)?Approve\b/i,       type:'agent_step'},
-    {re:/^Retry\b/i,         type:'error_recovery'},
+    // ALL PATS removed to prevent UI-level False Positives and "Empty Body" payloads.
+    // 100% of pending detection is now handled by step-probe.ts which has full RPC context.
+    // The DOM observer remains strictly for 'trigger-click' (executing physical clicks on fallback).
   ];
 
   // ALL actionable button patterns (for grouping siblings in same container)