revert: 還原 Telegram + CD 到正常狀態

還原檔案到 d071019 版本：
- decision_manager.py: 移除 Redis dedup 邏輯
- telegram_gateway.py: 還原 INC- 前綴邏輯
- cd.yaml: 移除 selector immutable 處理和 Token injection

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.github/workflows/cd.yaml

@@ -259,18 +259,6 @@ jobs:
         id: tag
         run: echo "tag=$(git rev-parse --short HEAD)-${{ github.run_id }}" >> $GITHUB_OUTPUT
 
-      # 2026-03-26: 注入 Telegram 機密到 K8s Secret
-      - name: Inject Telegram Secrets
-        run: |
-          kubectl patch secret awoooi-secrets -n awoooi-prod --type='json' \
-            -p='[{"op": "replace", "path": "/data/OPENCLAW_TG_BOT_TOKEN", "value": "'$(echo -n "${{ secrets.OPENCLAW_TG_BOT_TOKEN }}" | base64)'"}]' || \
-          kubectl create secret generic awoooi-secrets -n awoooi-prod \
-            --from-literal=OPENCLAW_TG_BOT_TOKEN="${{ secrets.OPENCLAW_TG_BOT_TOKEN }}" \
-            --dry-run=client -o yaml | kubectl apply -f -
-
-          kubectl patch secret awoooi-secrets -n awoooi-prod --type='json' \
-            -p='[{"op": "replace", "path": "/data/OPENCLAW_TG_CHAT_ID", "value": "'$(echo -n "${{ secrets.OPENCLAW_TG_CHAT_ID }}" | base64)'"}]' || true
-
       - name: Deploy
         run: |
           cd k8s/awoooi-prod
@@ -293,19 +281,7 @@ jobs:
             echo "⏭️ 跳過 Web image 更新 (build skipped)"
           fi
 
-          # 2026-03-26: 處理 selector immutability 問題
-          # 如果 apply 失敗 (通常是 selector 變更)，先刪除再重建
-          if ! kubectl apply -k . 2>&1 | tee /tmp/apply.log; then
-            if grep -q "field is immutable" /tmp/apply.log; then
-              echo "⚠️ 偵測到 selector 不可變錯誤，執行強制重建..."
-              kubectl delete deployment awoooi-api awoooi-web awoooi-worker -n awoooi-prod --ignore-not-found
-              sleep 5
-              kubectl apply -k .
-            else
-              echo "❌ 部署失敗 (非 selector 問題)"
-              exit 1
-            fi
-          fi
+          kubectl apply -k .
 
       # 2026-03-26: CoreDNS GitOps 同步 (ADR-026)
       - name: Sync CoreDNS Config