fix(setup): auto pip-install DB deps for Steps 8–9 subprocess scripts

Venv from Step 3 may exist without asyncpg/psycopg. Probe imports via
project venv python; on failure run pip install minimal packages before
create_default_users and demo data scripts.

Made-with: Cursor

Author: shadeform

notebooks/setup/complete_setup_guide.ipynb

@@ -3475,7 +3475,32 @@
     "        print(f\"❌ Python not found at: {python_path}\")\n",
     "        print(\"   Make sure virtual environment is set up (Step 3)\")\n",
     "        return False\n",
-    "    \n",
+    "\n",
+    "    chk = subprocess.run(\n",
+    "        [str(python_path), \"-c\", \"import asyncpg, bcrypt, dotenv\"],\n",
+    "        capture_output=True,\n",
+    "        text=True,\n",
+    "        cwd=str(project_root),\n",
+    "    )\n",
+    "    if chk.returncode != 0:\n",
+    "        print(\"📦 Project venv missing packages for user script; installing asyncpg, bcrypt, python-dotenv...\")\n",
+    "        ins = subprocess.run(\n",
+    "            [\n",
+    "                str(python_path),\n",
+    "                \"-m\",\n",
+    "                \"pip\",\n",
+    "                \"install\",\n",
+    "                \"asyncpg>=0.29\",\n",
+    "                \"bcrypt\",\n",
+    "                \"python-dotenv\",\n",
+    "            ],\n",
+    "            cwd=str(project_root),\n",
+    "        )\n",
+    "        if ins.returncode != 0:\n",
+    "            print(f\"❌ pip install failed (need network). Try: {python_path} -m pip install -r requirements.txt\")\n",
+    "            return False\n",
+    "        print(\"   ✅ Installed\")\n",
+    "\n",
     "    print(\"\\n🔄 Running user creation script...\")\n",
     "    result = subprocess.run(\n",
     "        [str(python_path), str(script_path)],\n",
@@ -3590,6 +3615,32 @@
     "        print(\"   Make sure virtual environment is set up (Step 3)\")\n",
     "        return False\n",
     "\n",
+    "    chk = subprocess.run(\n",
+    "        [str(python_path), \"-c\", \"import asyncpg, psycopg, bcrypt, numpy\"],\n",
+    "        capture_output=True,\n",
+    "        text=True,\n",
+    "        cwd=str(project_root),\n",
+    "    )\n",
+    "    if chk.returncode != 0:\n",
+    "        print(\"📦 Project venv missing packages for demo scripts; installing asyncpg, psycopg, bcrypt, numpy...\")\n",
+    "        ins = subprocess.run(\n",
+    "            [\n",
+    "                str(python_path),\n",
+    "                \"-m\",\n",
+    "                \"pip\",\n",
+    "                \"install\",\n",
+    "                \"asyncpg>=0.29\",\n",
+    "                \"psycopg[binary]>=3\",\n",
+    "                \"bcrypt\",\n",
+    "                \"numpy>=1.24\",\n",
+    "            ],\n",
+    "            cwd=str(project_root),\n",
+    "        )\n",
+    "        if ins.returncode != 0:\n",
+    "            print(f\"❌ pip install failed (need network). Try: {python_path} -m pip install -r requirements.txt\")\n",
+    "            return False\n",
+    "        print(\"   ✅ Installed\")\n",
+    "\n",
     "    scripts = [\n",
     "        (\"scripts/data/quick_demo_data.py\", \"Quick demo data (equipment, inventory)\"),\n",
     "        (\"scripts/data/generate_historical_demand.py\", \"Historical demand data (for forecasting)\"),\n",