diff --git a/QAG_Truth.ipynb b/QAG_Truth.ipynb
index b1286ba..c60c7ba 100644
--- a/QAG_Truth.ipynb
+++ b/QAG_Truth.ipynb
@@ -35,7 +35,7 @@
       },
       "outputs": [],
       "source": [
-        "importimport numpy as np\n",
+        "import numpy as np\n",
         "import matplotlib.pyplot as plt\n",
         "\n",
         "# ==========================================\n",
@@ -92,6 +92,7 @@
         "\n",
         "    print(f\"--- QAG PROPULSION ({psychon_ug}µg Psychon) ---\")\n",
         "    print(f\"Retrocausal Displacement: {d_retrocausal[-1]:.4f} units\")\n",
+        "    return d_retrocausal[-1]\n",
         "\n",
         "def run_stress_test(psychon_ug=5400.0):\n",
         "    steps = 500\n",
@@ -186,10 +187,28 @@
         "    print(f\"Recycling (R_qag): {r_qag*100:.2f}%\")\n",
         "\n",
         "# ==========================================\n",
+        "# 7. UNIT TESTS\n",
+        "# ==========================================\n",
+        "def test_thrust_consistency():\n",
+        "    print(\"--- RUNNING QAG THRUST CONSISTENCY TEST ---\")\n",
+        "    d1 = run_thrust_simulation(5400.0)\n",
+        "    d2 = run_thrust_simulation(10800.0)\n",
+        "    \n",
+        "    # Verify that doubling psychon increases displacement (it scales linearly with qid_scale)\n",
+        "    assert d2 > d1, \"Displacement should increase with psychon count\"\n",
+        "    \n",
+        "    # Fixed point check for 5400.0 psychon_ug\n",
+        "    # Formula derived expected value: ~7713.34\n",
+        "    assert abs(d1 - 7713.3436) < 0.01, f\"Expected ~7713.34, got {d1:.2f}\"\n",
+        "    \n",
+        "    print(\"TEST PASSED: Thrust displacement consistency verified.\")\n",
+        "\n",
+        "# ==========================================\n",
         "# EXECUTION BLOCK (Run them all!)\n",
         "# ==========================================\n",
         "if __name__ == \"__main__\":\n",
         "    print(\"\\n--- INITIALIZING QAG MASTER SIMULCAST ---\\n\")\n",
+        "    test_thrust_consistency()\n",
         "    run_galactic_theater(1.0)\n",
         "    run_thrust_simulation(5400.0)\n",
         "    run_stress_test(5400.0)\n",