feat(cli): strip markdown formatting from final replies

tests/cli/test_cli_markdown_rendering.py

@@ -0,0 +1,117 @@
+from io import StringIO
+
+from rich.console import Console
+from rich.markdown import Markdown
+
+from cli import _render_final_assistant_content
+
+
+def _render_to_text(renderable) -> str:
+    buf = StringIO()
+    Console(file=buf, width=80, force_terminal=False, color_system=None).print(renderable)
+    return buf.getvalue()
+
+
+def test_final_assistant_content_uses_markdown_renderable():
+    renderable = _render_final_assistant_content("# Title\n\n- one\n- two")
+
+    assert isinstance(renderable, Markdown)
+    output = _render_to_text(renderable)
+    assert "Title" in output
+    assert "one" in output
+    assert "two" in output
+
+
+def test_final_assistant_content_strips_ansi_before_markdown_rendering():
+    renderable = _render_final_assistant_content("\x1b[31m# Title\x1b[0m")
+
+    output = _render_to_text(renderable)
+    assert "Title" in output
+    assert "\x1b" not in output
+
+
+def test_final_assistant_content_can_strip_markdown_syntax():
+    renderable = _render_final_assistant_content(
+        "***Bold italic***\n~~Strike~~\n- item\n# Title\n`code`",
+        mode="strip",
+    )
+
+    output = _render_to_text(renderable)
+    assert "Bold italic" in output
+    assert "Strike" in output
+    assert "item" in output
+    assert "Title" in output
+    assert "code" in output
+    assert "***" not in output
+    assert "~~" not in output
+    assert "`" not in output
+
+
+def test_strip_mode_preserves_lists():
+    renderable = _render_final_assistant_content(
+        "**Formatting**\n- Ran prettier\n- Files changed\n- Verified clean",
+        mode="strip",
+    )
+
+    output = _render_to_text(renderable)
+    assert "- Ran prettier" in output
+    assert "- Files changed" in output
+    assert "- Verified clean" in output
+    assert "**" not in output
+
+
+def test_strip_mode_preserves_ordered_lists():
+    renderable = _render_final_assistant_content(
+        "1. First item\n2. Second item\n3. Third item",
+        mode="strip",
+    )
+
+    output = _render_to_text(renderable)
+    assert "1. First" in output
+    assert "2. Second" in output
+    assert "3. Third" in output
+
+
+def test_strip_mode_preserves_blockquotes():
+    renderable = _render_final_assistant_content(
+        "> This is quoted text\n> Another quoted line",
+        mode="strip",
+    )
+
+    output = _render_to_text(renderable)
+    assert "> This is quoted" in output
+    assert "> Another quoted" in output
+
+
+def test_strip_mode_preserves_checkboxes():
+    renderable = _render_final_assistant_content(
+        "- [ ] Todo item\n- [x] Done item",
+        mode="strip",
+    )
+
+    output = _render_to_text(renderable)
+    assert "- [ ] Todo" in output
+    assert "- [x] Done" in output
+
+
+def test_strip_mode_preserves_table_structure_while_cleaning_cell_markdown():
+    renderable = _render_final_assistant_content(
+        "| Syntax | Example |\n|---|---|\n| Bold | `**bold**` |\n| Strike | `~~strike~~` |",
+        mode="strip",
+    )
+
+    output = _render_to_text(renderable)
+    assert "| Syntax | Example |" in output
+    assert "|---|---|" in output
+    assert "| Bold | bold |" in output
+    assert "| Strike | strike |" in output
+    assert "**" not in output
+    assert "~~" not in output
+    assert "`" not in output
+
+
+def test_final_assistant_content_can_leave_markdown_raw():
+    renderable = _render_final_assistant_content("***Bold italic***", mode="raw")
+
+    output = _render_to_text(renderable)
+    assert "***Bold italic***" in output