refactor(codex): move email validation into main execution step and remove redundant check

action.yml

@@ -36,13 +36,22 @@ runs:
     id: codex
     env:
       MODEL: ${{ vars.CODEX_MODEL }}
+      EXPECTED_EMAIL: ${{ vars.CODEX_EMAIL }}
       PROMPT: ${{ inputs.prompt }}
     run: |
       if [ -z "$MODEL" ]; then
         echo 'CODEX_MODEL repository variable is required.' >&2
         exit 1
       fi
-
+      if [ -z "$EXPECTED_EMAIL" ]; then
+        echo 'CODEX_EMAIL repository variable is required.' >&2
+        exit 1
+      fi
+      if [ -z "$PROMPT" ]; then
+        email="$(python3 "$GITHUB_ACTION_PATH/app/codex_account.py")"
+        echo "text=$email" >> "$GITHUB_OUTPUT"
+        exit 0
+      fi
       text="$(codex exec --skip-git-repo-check -s danger-full-access --model "$MODEL" "$PROMPT")"
       printf '%s\n' "$text"
       {
@@ -51,19 +60,6 @@ runs:
         echo 'CODEX_OUTPUT'
       } >> "$GITHUB_OUTPUT"
     shell: bash
-  - name: 驗證登入帳號
-    env:
-      EXPECTED_EMAIL: ${{ vars.CODEX_EMAIL }}
-    run: |
-      if [ -z "$EXPECTED_EMAIL" ]; then
-        echo 'CODEX_EMAIL repository variable is required.' >&2
-        exit 1
-      fi
-
-      email="$(python3 "$GITHUB_ACTION_PATH/app/codex_account.py")"
-      if [ "$email" != "$EXPECTED_EMAIL" ]; then
-        echo '登入帳號與 CODEX_EMAIL 不符' >&2
-        exit 1
-      fi
-      echo '登入帳號驗證通過'
-    shell: bash
+  - name: 檢查輸出
+    if: ${{ steps.codex.outputs.text != vars.ANTIGRAVITY_EMAIL }}
+    run: exit 1