Persist full GSI payloads to per-match JSONL for later analysis.

Default-on dump keeps every POST body under samples/raw/<matchid>/gsi.jsonl, with CLI overrides to disable when disk use is a concern.

Co-authored-by: Cursor <cursoragent@cursor.com>

capture.py

@@ -10,6 +10,7 @@ Notes:
     - Frames are saved as PNG at native resolution, named cap_HHMMSS.png.
 """
 
+import json
 import sys
 import time
 from pathlib import Path
@@ -19,6 +20,7 @@ import mss
 import numpy as np
 
 RAW_DIR = Path(__file__).parent / "samples" / "raw"
+GSI_JSONL = "gsi.jsonl"
 
 
 def raw_dir_for_match(match_id: str | None = None) -> Path:
@@ -32,6 +34,20 @@ def raw_dir_for_match(match_id: str | None = None) -> Path:
     return RAW_DIR / safe
 
 
+def append_gsi_payload(match_id: str | None, payload: dict) -> Path:
+    """Append one full GSI POST body to samples/raw/{match_id}/gsi.jsonl.
+
+    Each line is {"t": <unix seconds>, "payload": <original body>}.
+    """
+    out = raw_dir_for_match(match_id)
+    out.mkdir(parents=True, exist_ok=True)
+    path = out / GSI_JSONL
+    record = {"t": time.time(), "payload": payload}
+    with path.open("a", encoding="utf-8") as f:
+        f.write(json.dumps(record, ensure_ascii=False) + "\n")
+    return path
+
+
 def grab_frame(sct=None) -> np.ndarray:
     """Grab the primary monitor as a BGR image."""
     if sct is None: