.gitea/workflows/auto-label.yml

@@ -11,7 +11,7 @@ jobs:
   # P0/P1/P2/P3. An issue that lands without one gets 'unprioritized' +
   # a demand comment — filing is not complete until prioritized.
   priority-gate:
-    if: github.event_name == 'issues' && github.event.action != 'labeled'
+    if: github.event_name == 'issues' && github.event.action != 'labeled' && github.event.issue.state == 'open'
     runs-on: rune-infra-pi
     steps:
       - name: Enforce priority label
@@ -50,6 +50,20 @@ jobs:
         uses: actions/github-script@v7
         with:
           script: |
+            // CLOSED-ISSUE GUARD (#407): labels are filing-time metadata.
+            // A closed issue's lifecycle has ended; re-running label
+            // inference on it re-adds stale type labels (bug = currently
+            // incorrect behavior — a closed fixed issue must not carry
+            // it) and makes any human label cleanup self-defeating,
+            // because every PUT fires a 'labeled' event that re-triggers
+            // this job. Post-close label curation belongs to humans and
+            // the conductor, not this workflow.
+            const issueState = context.payload.issue?.state;
+            if (issueState === 'closed') {
+              console.log(`Issue #${context.payload.issue?.number} is closed — auto-label skips (labels are curated post-close).`);
+              return;
+            }
+            const action = context.payload.action;
             const title = context.payload.issue?.title || context.payload.pull_request?.title || '';
             const body = context.payload.issue?.body || context.payload.pull_request?.body || '';
             const text = (title + ' ' + body).toLowerCase();
@@ -74,7 +88,12 @@ jobs:
               isBug = kind === 'bug';
               isFeature = kind === 'feature';
               isResearch = kind === 'research';
-            } else {
+            } else if (action === 'opened') {
+              // KEYWORD FALLBACK (#407): pre-template issues only, and
+              // ONLY at filing time. Re-running keyword guesses on every
+              // edit/label event overrides human curation of spine-less
+              // issues (documented rule: keyword heuristics are the
+              // pre-template fallback, not a standing authority).
               const textBug = title.startsWith('[BUG]') || text.includes('bug') || text.includes('fix') || text.includes('broken');
               isBug = textBug;
               isFeature = !isBug && (title.startsWith('[FEATURE]') || text.includes('feature') || text.includes('improve') || text.includes('add'));