fix(feishu): keep fenced markdown tables out of card tables

nanobot/channels/feishu/tests/test_feishu_markdown_rendering.py

@@ -1,7 +1,6 @@
 # Check optional Feishu dependencies before running tests
 try:
-    from nanobot.channels import feishu
-    FEISHU_AVAILABLE = getattr(feishu, "FEISHU_AVAILABLE", False)
+    from nanobot.channels.feishu.runtime import FEISHU_AVAILABLE
 except ImportError:
     FEISHU_AVAILABLE = False
 
@@ -66,3 +65,23 @@ def test_split_headings_keeps_markdown_body_and_code_blocks_intact() -> None:
     assert elements[1]["tag"] == "markdown"
     assert "Body with **bold** text." in elements[1]["content"]
     assert "```python\nprint('hi')\n```" in elements[1]["content"]
+
+
+def test_build_card_elements_keeps_fenced_markdown_tables_intact() -> None:
+    channel = FeishuChannel.__new__(FeishuChannel)
+    text = "Before\n\n```\n| a | b |\n| - | - |\n| 1 | 2 |\n```\n\nAfter"
+
+    elements = channel._build_card_elements(text)
+
+    assert all(el.get("tag") != "table" for el in elements)
+    joined = "\n".join(el["content"] for el in elements if el.get("tag") == "markdown")
+    assert "```\n| a | b |\n| - | - |\n| 1 | 2 |\n```" in joined
+
+
+def test_build_card_elements_still_parses_unfenced_markdown_tables() -> None:
+    channel = FeishuChannel.__new__(FeishuChannel)
+    text = "Before\n\n| a | b |\n| - | - |\n| 1 | 2 |\n\nAfter"
+
+    elements = channel._build_card_elements(text)
+
+    assert any(el.get("tag") == "table" for el in elements)