Update integration handoff and CONUS retraining notes

training/configs/train_firewx_fm_conus_seed7_template.json

@@ -5,9 +5,31 @@
   "max_positive_tiles_per_sample": 96,
   "min_negative_tiles_per_sample": 8,
   "negative_to_positive_ratio": 3.0,
+  "positive_tile_placement": "random_containing",
   "positive_rate_source": "tiles",
   "pos_weight_source": "tiles",
   "pos_weight_cap": 50.0,
+  "input_normalization": {
+    "enabled": true,
+    "method": "per-channel z-score",
+    "stats_source": "train split full maps",
+    "continuous_channel_indices": [
+      0,
+      1,
+      2,
+      3,
+      4,
+      5,
+      6,
+      7,
+      8,
+      9,
+      13,
+      14,
+      15
+    ],
+    "eps": 1e-06
+  },
   "batch_size": 32,
   "eval_batch_size": 1,
   "epochs": 10,