fix(release): prevent duplicate incomplete agent notifications

.github/workflows/agents-release.yml

@@ -455,6 +455,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           token: ${{ steps.release-token.outputs.token }}
+          fetch-depth: 0
       - uses: actions/download-artifact@v4
         with:
           path: artifacts
@@ -652,6 +653,9 @@ jobs:
           PREV_VERSIONS: ${{ needs.bump-versions.outputs.prev_versions }}
           PREV_TAG: ${{ needs.bump-versions.outputs.prev_tag }}
         run: |
+          set -euo pipefail
+          git rev-parse --verify "${PREV_TAG}^{commit}" > /dev/null
+
           NOTES=""
           DRIVER_NAMES=()
           module_names() {

.github/workflows/notify.yml

@@ -6,7 +6,7 @@ on:
   pull_request_target:
     types: [opened, closed]
   release:
-    types: [published, released]
+    types: [published]
 
 jobs:
   notify:
@@ -55,7 +55,7 @@ jobs:
               tag = os.environ["RELEASE_TAG"]
               name = os.environ["RELEASE_NAME"]
               url = os.environ["RELEASE_URL"]
-              body = os.environ.get("RELEASE_BODY", "")[:800]
+              body = os.environ.get("RELEASE_BODY", "")
 
               import re
               body = re.sub(r'#{1,6}\s*', '', body)