Constrain the chat prompt container height

haiku_rag_slim/haiku/rag/chat/widgets/prompt.py

@@ -172,7 +172,7 @@ class FlexibleInput(Widget):
     DEFAULT_CSS = """
     FlexibleInput {
         height: auto;
-        padding: 0 1;
+        padding: 0 1 1 1;
         border-top: solid $primary-darken-1;
     }
 
@@ -180,6 +180,10 @@ class FlexibleInput(Widget):
         border-top: solid $primary;
     }
 
+    FlexibleInput > Horizontal {
+        height: auto;
+    }
+
     FlexibleInput #promptMarker {
         width: 2;
         height: 1;

tests/chat/test_image_input.py

@@ -138,3 +138,25 @@ class TestChatAppImageAttach:
             await pilot.pause()
             assert app._images == [data]
             assert "[Image #1]" in app.query_one(PostableTextArea).text
+
+
+class TestChatAppLayout:
+    @pytest.mark.asyncio
+    async def test_prompt_stays_compact_and_history_visible(self, temp_db_path):
+        from haiku.rag.chat.app import ChatApp
+        from haiku.rag.chat.widgets.chat_history import ChatHistory
+        from haiku.rag.client import HaikuRAG
+
+        async with HaikuRAG(temp_db_path, create=True):
+            pass
+
+        app = ChatApp(db_path=temp_db_path, capabilities=[])
+        async with app.run_test() as pilot:
+            await pilot.pause()
+            prompt = app.query_one(FlexibleInput)
+            history = app.query_one(ChatHistory)
+            assert prompt.region.height <= 4
+            assert history.region.height > prompt.region.height
+            assert history.region.y < prompt.region.y
+            area = app.query_one(PostableTextArea)
+            assert prompt.region.contains_region(area.region)