feat: support MCP elicitation and rebuild release

fixtures/gitea-workflow/valid-pr-comment.json

@@ -0,0 +1,23 @@
+{
+  "name": "valid-pr-comment",
+  "headers": {
+    "x-gitea-event": "pull_request_comment",
+    "x-gitea-delivery": "delivery-pr-001"
+  },
+  "payload": {
+    "repository": {
+      "owner": "acme",
+      "name": "widget",
+      "clone_url": "https://gitea.example/acme/widget.git",
+      "default_branch": "main"
+    },
+    "pull_request": {
+      "number": 7,
+      "base": {"ref": "main"},
+      "head": {"ref": "feature/login", "repo": {"clone_url": "https://gitea.example/alice/widget.git"}}
+    },
+    "comment": {"id": 202, "body": "请继续处理 @ccweb-bot 的 review 意见", "user": {"login": "bob"}},
+    "sender": {"login": "bob", "is_bot": false}
+  },
+  "expected": {"accepted": true, "resourceKind": "pull_request", "base": "main", "head": "feature/login"}
+}