fix(telegram): 修正 approval_id UUID 轉換錯誤 — 支援 INC-xxx 格式

_execute_approval_action 用 UUID(approval_id) 但 approval_id 是 INC-xxx，
導致 'badly formed hexadecimal UUID string' 錯誤，簽核無法執行。

修正: 先嘗試 UUID 轉換，失敗則用 incident_id 查出對應的 pending approval UUID。

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/api/src/services/telegram_gateway.py

@@ -3456,10 +3456,27 @@ class TelegramGateway:
         try:
             service = get_approval_service()
 
+            # approval_id 可能是 INC-xxx (incident_id) 格式，需查出真正的 UUID
+            # 2026-04-06 Claude Code: decision_manager 傳入的是 incident.incident_id
+            approval_uuid: UUID | None = None
+            try:
+                approval_uuid = UUID(approval_id)
+            except ValueError:
+                # 非 UUID 格式，嘗試用 incident_id 查出 pending approval
+                pending_list = await service.get_all_approvals(incident_id=approval_id)
+                if pending_list:
+                    approval_uuid = UUID(pending_list[0].id) if isinstance(pending_list[0].id, str) else pending_list[0].id
+                else:
+                    logger.warning(
+                        "telegram_approval_not_found_by_incident",
+                        approval_id=approval_id,
+                    )
+                    return
+
             if action == "approve":
                 # 2026-03-29 ogt: 正確呼叫 sign_approval (返回 tuple)
                 approval, message, execution_triggered = await service.sign_approval(
-                    approval_id=UUID(approval_id),
+                    approval_id=approval_uuid,
                     signer_id=f"tg_{user_id}",
                     signer_name=username,
                     comment="Telegram 簽核 (Long Polling)",
@@ -3473,19 +3490,11 @@ class TelegramGateway:
                         status=approval.status.value,
                         execution_triggered=execution_triggered,
                     )
-                    print(f"\n{'='*60}")
-                    print("✅ 統帥已授權執行！")
-                    print(f"簽核單: {approval_id}")
-                    print(f"簽核者: @{username} (ID: {user_id})")
-                    print(f"狀態: {approval.status.value}")
-                    print(f"執行觸發: {execution_triggered}")
-                    print(f"時間: {datetime.now(UTC).isoformat()}")
-                    print(f"{'='*60}\n")
 
             elif action == "reject":
                 # 2026-03-29 ogt: 正確呼叫 reject_approval (返回 tuple)
                 approval, message = await service.reject_approval(
-                    approval_id=UUID(approval_id),
+                    approval_id=approval_uuid,
                     rejector_id=f"tg_{user_id}",
                     rejector_name=username,
                     reason="Telegram 拒絕 (Long Polling)",
@@ -3497,11 +3506,6 @@ class TelegramGateway:
                         approval_id=approval_id,
                         user_id=user_id,
                     )
-                    print(f"\n{'='*60}")
-                    print("❌ 統帥已拒絕執行！")
-                    print(f"簽核單: {approval_id}")
-                    print(f"拒絕者: @{username}")
-                    print(f"{'='*60}\n")
 
             elif action == "tune":
                 # 自動調優已在 handle_callback 中處理