feat: support MCP elicitation and rebuild release

fixtures/gitea-workflow/ignored-events.json

@@ -0,0 +1,19 @@
+[
+  {
+    "name": "push-event",
+    "headers": {"x-gitea-event": "push", "x-gitea-delivery": "delivery-push-001"},
+    "payload": {"repository": {"owner": "acme", "name": "widget"}, "sender": {"login": "alice"}},
+    "expected": {"accepted": false, "reason": "unsupported_event"}
+  },
+  {
+    "name": "comment-without-mention",
+    "headers": {"x-gitea-event": "issue_comment", "x-gitea-delivery": "delivery-no-mention-001"},
+    "payload": {
+      "repository": {"owner": "acme", "name": "widget"},
+      "issue": {"number": 42, "pull_request": false},
+      "comment": {"id": 404, "body": "请看看这个问题", "user": {"login": "alice"}},
+      "sender": {"login": "alice", "is_bot": false}
+    },
+    "expected": {"accepted": false, "reason": "missing_mention"}
+  }
+]