fix(actions): tolerate empty label payload in proposer gate

.gitea/workflows/proposer-apply-pr.yml

@@ -122,21 +122,25 @@ jobs:
           echo "Context:"
           sed -n '1,200p' /tmp/proposer.env
 
-      - name: Early gate
+      - name: Early gate (tolerant on empty issue label payload)
         run: |
           set -euo pipefail
           source /tmp/proposer.env
 
+          echo "event=$EVENT_NAME label=${LABEL_NAME:-<empty>}"
+
           if [[ "$EVENT_NAME" == "issues" ]]; then
-            if [[ "$LABEL_NAME" != "state/approved" ]]; then
-              echo "issues/labeled but label=$LABEL_NAME -> skip"
+            # Gitea peut fournir un payload "issues/labeled" sans label exploitable.
+            # On ne skip QUE si le label est explicitement présent ET différent de state/approved.
+            if [[ -n "${LABEL_NAME:-}" && "$LABEL_NAME" != "state/approved" ]]; then
+              echo "issues/labeled with explicit non-approved label=$LABEL_NAME -> skip"
               echo 'SKIP=1' >> /tmp/proposer.env
-              echo 'SKIP_REASON="label_not_state_approved"' >> /tmp/proposer.env
+              echo 'SKIP_REASON="label_not_state_approved_event"' >> /tmp/proposer.env
               exit 0
             fi
           fi
 
-          echo "Proceed"
+          echo "Proceed to API-based selection/gating"
 
       - name: Checkout default branch
         run: |
@@ -284,6 +288,11 @@ jobs:
           [[ "${SKIP:-0}" == "1" ]] || exit 0
           [[ "${EVENT_NAME:-}" != "push" ]] || exit 0
 
+          if [[ "${SKIP_REASON:-}" == "label_not_state_approved_event" || "${SKIP_REASON:-}" == "label_not_state_approved" ]]; then
+            echo "Skip reason=${SKIP_REASON} -> no comment"
+            exit 0
+          fi
+
           test -n "${FORGE_TOKEN:-}" || exit 0
 
           ISSUE_TO_COMMENT="${ISSUE_NUMBER:-0}"