fix(qqbot): authorize approval clicks for DM sessions (chat_type='dm')

gateway/platforms/qqbot/adapter.py

@@ -1086,7 +1086,7 @@ def _is_authorized_interaction_for_session(
 
         chat_type = parsed.get("chat_type", "")
         chat_id = parsed.get("chat_id", "")
-        if chat_type == "c2c":
+        if chat_type in ("c2c", "dm"):
             return bool(chat_id) and operator == chat_id
 
         if chat_type in {"group", "guild"}:

tests/gateway/test_qqbot.py

@@ -2197,3 +2197,45 @@ def test_fatal_codes_include_intent_errors(self):
         assert 4001 in fatal_codes
         assert 4915 in fatal_codes
 
+
+
+# ---------------------------------------------------------------------------
+# _is_authorized_interaction_for_session — DM (chat_type="dm") parity with c2c
+# Regression test for #35760: QQ adapter creates DM sessions with chat_type="dm"
+# but authorization only accepted "c2c", so approval clicks were always rejected.
+# ---------------------------------------------------------------------------
+
+class TestIsAuthorizedInteractionForSession:
+    def _make_adapter(self):
+        from gateway.platforms.qqbot import QQAdapter
+        return QQAdapter(_make_config(app_id="aid", client_secret="sec"))
+
+    def test_dm_chat_type_authorizes_when_operator_matches_chat_id(self):
+        adapter = self._make_adapter()
+        session_key = "agent:main:qqbot:dm:user_open_id_123"
+        event = SimpleNamespace(
+            operator_openid="user_open_id_123",
+            group_openid=None,
+            guild_id=None,
+        )
+        assert adapter._is_authorized_interaction_for_session(event, session_key) is True
+
+    def test_c2c_chat_type_still_authorizes(self):
+        adapter = self._make_adapter()
+        session_key = "agent:main:qqbot:c2c:user_open_id_123"
+        event = SimpleNamespace(
+            operator_openid="user_open_id_123",
+            group_openid=None,
+            guild_id=None,
+        )
+        assert adapter._is_authorized_interaction_for_session(event, session_key) is True
+
+    def test_dm_chat_type_rejects_when_operator_mismatched(self):
+        adapter = self._make_adapter()
+        session_key = "agent:main:qqbot:dm:user_open_id_123"
+        event = SimpleNamespace(
+            operator_openid="someone_else",
+            group_openid=None,
+            guild_id=None,
+        )
+        assert adapter._is_authorized_interaction_for_session(event, session_key) is False