Handle missing textual dependencies

haiku_rag_slim/haiku/rag/cli.py

@@ -420,7 +420,11 @@ def inspect(
     ),
 ):
     """Launch the inspector TUI for browsing documents and chunks."""
-    from haiku.rag.inspector import run_inspector
+    try:
+        from haiku.rag.inspector import run_inspector
+    except ImportError as e:
+        typer.echo(f"Error: {e}", err=True)
+        raise typer.Exit(1) from e
 
     db_path = db if db else get_config().storage.data_dir / "haiku.rag.lancedb"
     run_inspector(db_path)

haiku_rag_slim/haiku/rag/inspector/__init__.py

@@ -1,3 +1,8 @@
-from haiku.rag.inspector.app import run_inspector
+try:
+    from haiku.rag.inspector.app import run_inspector
+except ImportError as e:
+    raise ImportError(
+        "textual is not installed. Please install it with `pip install 'haiku.rag-slim[inspector]'` or use the full haiku.rag package."
+    ) from e
 
 __all__ = ["run_inspector"]

haiku_rag_slim/haiku/rag/inspector/app.py

@@ -229,11 +229,6 @@ def run_inspector(db_path: Path | None = None) -> None:
     Args:
         db_path: Path to the LanceDB database. If None, uses default from config.
     """
-    if not TEXTUAL_AVAILABLE:
-        raise ImportError(
-            "Textual is not installed. Install it with: pip install 'haiku.rag-slim[inspector]'"
-        )
-
     config = get_config()
     if db_path is None:
         db_path = config.storage.data_dir / "haiku.rag.lancedb"