docs: add Drive link to report, notebook, and checklist

Author: Atharva12081

docs/EXXA_ALIGNMENT_CHECKLIST.md

@@ -59,6 +59,7 @@ Checked all embedded links on 2026-03-03.
 
 - Some official links are authentication/bot protected (Google Form/Drive, IOP). This is external and not a code conflict.
 - If evaluators require pretrained weights and hosted notebook links, include those explicitly in submission materials.
+  Hosted artifacts (Drive): https://drive.google.com/drive/u/0/folders/1x3jiMVj2Iyeu9quEI53SVg6-EF7tMFqx
 
 ## Final Assessment
 

notebooks/PLANAR_experiments.ipynb

@@ -28,9 +28,10 @@
    "source": [
     "Outputs to inspect:\n",
     "- `artifacts/autoencoder/autoencoder.pth` (pretrained model)\n",
+    "- Drive (pretrained + artifacts): https://drive.google.com/drive/u/0/folders/1x3jiMVj2Iyeu9quEI53SVg6-EF7tMFqx\n",
     "- `artifacts/clustering/cluster_labels.csv` and plots\n",
     "- `artifacts/transit/roc_curve.png`, `stress_roc_curve.png`\n",
-    "- `reports/PLANAR_REPORT.md`\n"
+    "- `reports/PLANAR_REPORT.md`"
    ]
   },
   {

reports/PLANAR_REPORT.md

@@ -2,6 +2,9 @@
 
 Generated: 2026-03-12 22:28 UTC
 
+Artifacts + pretrained weights:
+https://drive.google.com/drive/u/0/folders/1x3jiMVj2Iyeu9quEI53SVg6-EF7tMFqx
+
 ## Autoencoder
 - Train size: 120
 - Val size: 30