Add raw prediction manifest for 2025-07

predictions/raw_2025/month=07/manifest.json

@@ -0,0 +1,12 @@
+{
+  "format": "ASR_CYGNSS_RAW_PREDICTIONS_2025_V2",
+  "created_utc": "2026-08-02T05:26:02.984189+00:00",
+  "month": "2025-07",
+  "rows": 951056,
+  "source_collocation": "data/collocations/year=2025/month=07/part-000.parquet",
+  "remote_path": "predictions/raw_2025/month=07/part-000.parquet",
+  "sha256": "26c4ef9588d7887eba30d279e212080f88afe28c582a66f47a39eea63b24f9f8",
+  "bytes": 64300745,
+  "time_min_sec_since_2015": 331257601.499261,
+  "time_max_sec_since_2015": 333935445.499261
+}