Add model config

config.json

@@ -0,0 +1,35 @@
+{
+  "model_type": "betaearth-segformer",
+  "model_name": "betaearth-segformer",
+  "description": "BetaEarth SegFormer-B2 no FiLM (ISPRS baseline) \u2014 no timestamp needed",
+  "architecture": {
+    "encoder_name": "mit_b2",
+    "fusion_dim": 256,
+    "embed_dim": 64,
+    "time_embed_dim": 128,
+    "encoder_frozen": false,
+    "has_film": false,
+    "in_channels": {
+      "s2_l1c": 9,
+      "s2_l2a": 9,
+      "s1_rtc": 2,
+      "cop_dem": 1
+    }
+  },
+  "training": {
+    "dataset": "Major-TOM (62,489 grid cells)",
+    "split": "49,991 train / 6,248 val / 6,250 test",
+    "loss": "cosine_similarity + 0.1 * MSE",
+    "optimizer": "AdamW",
+    "epochs": 20,
+    "resolution": "10m (1068x1068 px tiles)"
+  },
+  "performance": {
+    "test_cosine_similarity": 0.88,
+    "test_lulc_accuracy": 0.869,
+    "trainable_params": "104.8M",
+    "total_params": "104.8M"
+  },
+  "inputs": "S2 L1C+L2A (9ch), S1 RTC (2ch), COP-DEM (1ch)",
+  "output": "(H, W, 64) float32, L2-normalised per pixel"
+}