Add star-player matches tab and watchlist-driven fetch.

Ship top-level #/matches with pro watchlist defaults, bump site to 0.5.71, and document the flow in AGENTS/README.

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

web/export_relations_site.py

@@ -50,7 +50,7 @@ from shared.paths import (
 
 from serve_relations import WEB_DIR, build_payload
 
-SITE_VERSION = "0.5.61"
+SITE_VERSION = "0.5.71"
 DEFAULT_OSS_BASE = "https://climperor.oss-cn-shanghai.aliyuncs.com"
 
 
@@ -87,9 +87,14 @@ def populate_static_assets(out: Path, payload: dict) -> dict[str, int]:
         n_vid = 0
         dst = out / "streamer-video"
         dst.mkdir(parents=True, exist_ok=True)
-        for f in sorted(STREAMER_VIDEOS.glob("*.mp4")):
+        for f in sorted(STREAMER_VIDEOS.iterdir()):
             if not f.is_file() or f.name.startswith("_"):
                 continue
+            name = f.name.lower()
+            if not name.endswith(
+                (".mp4", ".webm", ".jpg", ".jpeg", ".webp", ".png")
+            ):
+                continue
             shutil.copy2(f, dst / f.name)
             n_vid += 1
         counts["streamer-video"] = n_vid