feat: complete medium audit fixes, add vircon32, quasi88 alt names

scraper: add MacII.ROM casing fix, Vircon32 system, QUASI88 alt
naming convention (n88_0/1/2/3.rom alongside N88EXT*.ROM).
retroarch pack: 445 -> 450 files, 60 systems, 0 missing.
all choices traced to original emulator source code.

database.json

@@ -1,5 +1,5 @@
 {
-  "generated_at": "2026-03-18T13:46:32Z",
+  "generated_at": "2026-03-18T13:50:07Z",
   "total_files": 5563,
   "total_size": 4908008969,
   "files": {

platforms/_shared.yml

@@ -195,6 +195,24 @@ shared_groups:
       destination: quasi88/N88EXT3.ROM
       required: true
       md5: "fc4b76a402ba501e6ba6de4b3e8b4273"
+    # Alternative naming from libretro docs (lowercase, _N suffix)
+    # ref: quasi88/src/libretro.c — core accepts both conventions
+    - name: n88_0.rom
+      destination: quasi88/n88_0.rom
+      required: false
+      md5: "e28fe3f520bea594350ea8fb00395370"
+    - name: n88_1.rom
+      destination: quasi88/n88_1.rom
+      required: false
+      md5: "a8e298da7ac947669bcb1ff25cee0a83"
+    - name: n88_2.rom
+      destination: quasi88/n88_2.rom
+      required: false
+      md5: "9d03154fd9abfc28c4e6d4dc705e6e23"
+    - name: n88_3.rom
+      destination: quasi88/n88_3.rom
+      required: false
+      md5: "e1791f8154f1cdf22b576a1a365b6e1f"
 
   # Sinclair ZX Spectrum — Fuse core
   # Fuse expects Pentagon/Scorpion ROMs in "fuse/" subfolder

platforms/retroarch.yml

@@ -3082,3 +3082,11 @@ systems:
     core: quasi88
     manufacturer: NEC
     docs: https://docs.libretro.com/library/quasi88/
+  vircon32:
+    files:
+    - name: Vircon32Bios.v32
+      destination: Vircon32Bios.v32
+      required: true
+    core: vircon32
+    manufacturer: Vircon
+    docs: https://docs.libretro.com/library/vircon32/

scripts/scraper/libretro_scraper.py

@@ -260,6 +260,15 @@ class Scraper(BaseScraper):
                 "manufacturer": "NEC",
                 "docs": "https://docs.libretro.com/library/quasi88/",
             },
+            # ref: Vircon32/libretro.c — virtual console, single BIOS
+            "vircon32": {
+                "files": [
+                    {"name": "Vircon32Bios.v32", "destination": "Vircon32Bios.v32", "required": True},
+                ],
+                "core": "vircon32",
+                "manufacturer": "Vircon",
+                "docs": "https://docs.libretro.com/library/vircon32/",
+            },
         }
         for sys_id, sys_data in EXTRA_SYSTEMS.items():
             if sys_id not in systems:
@@ -332,6 +341,11 @@ class Scraper(BaseScraper):
             "sony-playstation": [
                 {"name": "psxonpsp660.bin", "destination": "psxonpsp660.bin", "required": False},
             ],
+            # minivmac casing — ref: minivmac/src/MYOSGLUE.c
+            # doc says MacII.rom, repo has MacII.ROM — both work on case-insensitive FS
+            "apple-macintosh-ii": [
+                {"name": "MacII.ROM", "destination": "MacII.ROM", "required": True},
+            ],
         }
         for sys_id, extra_files in EXTRA_SYSTEM_FILES.items():
             if sys_id in systems: