Fix create_views cell: install sqlite3 CLI before running shell script

Colab does not have sqlite3 on PATH by default.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: sudoghut

scripts/setup_cbdb.ipynb

@@ -164,26 +164,7 @@
    "metadata": {},
    "id": "cell-views",
    "outputs": [],
-   "source": [
-    "if CREATE_VIEWS:\n",
-    "    import subprocess, os\n",
-    "    script = os.path.join(REPO_DIR, \"scripts\", \"create_views.sh\")\n",
-    "    result = subprocess.run(\n",
-    "        [\"bash\", script, DB_PATH],\n",
-    "        capture_output=True, text=True\n",
-    "    )\n",
-    "    if result.returncode != 0:\n",
-    "        print(result.stderr)\n",
-    "        raise RuntimeError(\"create_views.sh failed — see output above.\")\n",
-    "    lines = result.stdout.splitlines()\n",
-    "    created = sum(1 for l in lines if l.startswith(\"Creating view\"))\n",
-    "    print(f\"Created {created} views.\")\n",
-    "    for line in lines:\n",
-    "        if any(kw in line for kw in (\"ERROR\", \"✗\", \"All sanity checks\")):\n",
-    "            print(line)\n",
-    "else:\n",
-    "    print(\"Skipped (CREATE_VIEWS = False).\")"
-   ]
+   "source": "if CREATE_VIEWS:\n    import subprocess, os\n    subprocess.run([\"apt-get\", \"install\", \"-y\", \"-q\", \"sqlite3\"], check=True)\n    script = os.path.join(REPO_DIR, \"scripts\", \"create_views.sh\")\n    result = subprocess.run(\n        [\"bash\", script, DB_PATH],\n        capture_output=True, text=True\n    )\n    if result.returncode != 0:\n        print(result.stderr)\n        raise RuntimeError(\"create_views.sh failed — see output above.\")\n    lines = result.stdout.splitlines()\n    created = sum(1 for l in lines if l.startswith(\"Creating view\"))\n    print(f\"Created {created} views.\")\n    for line in lines:\n        if any(kw in line for kw in (\"ERROR\", \"✗\", \"All sanity checks\")):\n            print(line)\nelse:\n    print(\"Skipped (CREATE_VIEWS = False).\")"
   },
   {
    "cell_type": "markdown",