fix(cli): handle null memory fields in output formatters (#5957)

cli/python/tests/test_output.py

@@ -54,6 +54,11 @@ class TestTextFormat:
         output = buf.getvalue()
         assert "Found 0" in output
 
+    def test_format_memories_text_handles_null_fields(self):
+        console, buf = _make_console()
+        format_memories_text(console, [{"id": None, "memory": None, "created_at": None}])
+        assert "Found 1 memories" in buf.getvalue()
+
 
 class TestTableFormat:
     def test_format_memories_table(self):
@@ -70,6 +75,13 @@ class TestTableFormat:
         # Should still render (empty table)
         assert "ID" in output
 
+    def test_format_memories_table_handles_null_fields(self):
+        console, buf = _make_console()
+        format_memories_table(console, [{"id": None, "memory": None, "created_at": None}])
+        output = buf.getvalue()
+        assert "ID" in output
+        assert "Memory" in output
+
 
 class TestSingleMemory:
     def test_format_single_memory_text(self):
@@ -87,6 +99,17 @@ class TestSingleMemory:
         output = buf.getvalue()
         assert '"memory"' in output
 
+    def test_format_single_memory_handles_null_fields(self):
+        console, buf = _make_console()
+        format_single_memory(
+            console,
+            {"id": None, "memory": None, "text": "Fallback memory", "created_at": None},
+            "text",
+        )
+        output = buf.getvalue()
+        assert "Fallback memory" in output
+        assert "ID:" not in output
+
 
 class TestAddResult:
     def test_format_add_result_text(self):