fix: resolve large files from cache in database paths

database.json

@@ -1,5 +1,5 @@
 {
-  "generated_at": "2026-03-25T11:16:01Z",
+  "generated_at": "2026-03-25T11:51:38Z",
   "total_files": 6733,
   "total_size": 5288644732,
   "files": {
@@ -67294,7 +67294,7 @@
       "adler32": "dbd42440"
     },
     "b48f44194fe918aaaec5298861479512b581d661": {
-      "path": "bios/Nintendo/Nintendo DS/dsi_nand.bin",
+      "path": ".cache/large/dsi_nand.bin",
       "name": "dsi_nand.bin",
       "size": 251658304,
       "sha1": "b48f44194fe918aaaec5298861479512b581d661",
@@ -67304,7 +67304,7 @@
       "adler32": "3b3e7d56"
     },
     "093f8698b54b78dcb701de2043f82639de51d63b": {
-      "path": "bios/Sony/PlayStation 3/PS3UPDAT.PUP",
+      "path": ".cache/large/PS3UPDAT.PUP",
       "name": "PS3UPDAT.PUP",
       "size": 206126236,
       "sha1": "093f8698b54b78dcb701de2043f82639de51d63b",
@@ -67314,7 +67314,7 @@
       "adler32": "1ec0b1c3"
     },
     "ed3a4cb264fff283209f10ae58c96c6090fed187": {
-      "path": "bios/Sony/PlayStation Vita/PSP2UPDAT.PUP",
+      "path": ".cache/large/PSP2UPDAT.PUP",
       "name": "PSP2UPDAT.PUP",
       "size": 56778752,
       "sha1": "ed3a4cb264fff283209f10ae58c96c6090fed187",
@@ -67324,7 +67324,7 @@
       "adler32": "620a2ff1"
     },
     "cc72dfcc964577cc29112ef368c28f55277c237c": {
-      "path": "bios/Sony/PlayStation Vita/PSVUPDAT.PUP",
+      "path": ".cache/large/PSVUPDAT.PUP",
       "name": "PSVUPDAT.PUP",
       "size": 133834240,
       "sha1": "cc72dfcc964577cc29112ef368c28f55277c237c",

scripts/generate_db.py

@@ -236,6 +236,9 @@ def _preserve_large_file_entries(files: dict, db_path: str) -> int:
     in .gitignore. When generate_db runs locally without them, their
     entries would be lost. This reads the existing database and re-adds
     entries whose paths match .gitignore bios/ entries.
+
+    If the file exists in .cache/large/, the path is updated so that
+    resolve_local_file can find it for verify and pack generation.
     """
     gitignored = _load_gitignored_bios_paths()
     if not gitignored:
@@ -247,10 +250,16 @@ def _preserve_large_file_entries(files: dict, db_path: str) -> int:
     except (FileNotFoundError, json.JSONDecodeError):
         return 0
 
+    cache_dir = Path(".cache/large")
     count = 0
     for sha1, entry in existing_db.get("files", {}).items():
         path = entry.get("path", "")
         if path in gitignored and sha1 not in files:
+            # Point to cached copy if available
+            name = entry.get("name", "")
+            cached = cache_dir / name
+            if cached.exists():
+                entry = {**entry, "path": str(cached)}
             files[sha1] = entry
             count += 1
     return count