feat: validate emulator profiles in CI

emulators/freeintv_ts_overlay.yml

@@ -1,5 +1,6 @@
 emulator: "FreeIntv (Touchscreen Overlay)"
 type: alias
+alias_of: freeintv
 core_classification: alias
 source: "https://github.com/jcarr71/FreeIntvTSOverlay"
 upstream: "https://github.com/libretro/FreeIntv"

emulators/trident.yml

@@ -4,7 +4,7 @@ type: libretro
 core_classification: community_fork
 source: https://github.com/DanAlexMorton/3dsTrident
 upstream: https://github.com/wheremyfoodat/Panda3DS
-profiled_date: 2026-03-25
+profiled_date: "2026-03-25"
 core_version: git
 
 cores:

emulators/zc210.yml

@@ -5,7 +5,7 @@ source: https://github.com/netux79/zc210-libretro
 upstream: https://www.zeldaclassic.com/
 core_version: "2.10 Beta 5"
 display_name: Zelda Classic v2.10 (ZC210)
-profiled_date: 2026-03-26
+profiled_date: "2026-03-26"
 cores:
   - zc210
 systems: