docs: strip AGENTS.md to harness essentials, remove research detail

- Remove model architecture, I/O spec, pipeline, training config
- Remove benchmark commands (dir deleted), outdated CNN-disabled note
- Remove visualization detail, key conventions, known issues
- TEST_SCENES: swap indoor_forward_9 for outdoor_forward_1
- model.py: drop stale commented zero-out line

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

src/velocity_prediction/config.py

@@ -39,10 +39,10 @@ VAL_SCENES = [
     # "indoor_forward_3", "indoor_forward_9", "indoor_forward_10",  # Easy
 ]
 TEST_SCENES = [
-    "indoor_forward_9",
+    # "indoor_forward_9",
     # "indoor_forward_9","indoor_forward_3",
     # "indoor_forward_7",      # Hard 室内
-    # "outdoor_forward_1",     # Easy 室外
+    "outdoor_forward_1",     # Easy 室外
     # "outdoor_forward_5"      # Hard 室外
     # "indoor_forward_3", "indoor_forward_9", "indoor_forward_10",  # Easy
 ]