feat: add emulator profiles (119-series batch 6 partial)

dolphin_launcher (stub launcher), oberon (RISC, bootloader embedded),
17 test cores (00_example through vidtest), 17 game/utility cores
(2048 through vaporspec), bennugd, boytacean, emux_chip8, fake08,
jaxe, lowresnx, opentyrian, openlara, squirreljme, vitaquake2, xrick

182 total profiles. 6 agents failed (API 500), will retry.

emulators/holani.yml

@@ -0,0 +1,40 @@
+emulator: Holani
+type: libretro
+source: "https://github.com/LLeny/holani-retro"
+cores: [holani]
+systems: [atari-lynx]
+verification: existence
+
+notes: |
+  Holani is a cycle-stepped Atari Lynx emulator written in Rust by LLeny.
+  The libretro port (holani-retro) loads lynxboot.img from the system
+  directory at retro_load_game time (lib.rs:110-121). Path is built as
+  system_directory + "/lynxboot.img", no subdirectory.
+
+  The core library (holani/src/rom.rs) embeds a free boot ROM from
+  https://bjoern.spruck.net/lynx/ as FREE_BOOTROM (512 bytes), used as
+  the default when no external ROM is loaded (Rom::default()). The
+  libretro wrapper attempts to load the real lynxboot.img, but if the
+  file is missing or the system directory is invalid, Lynx::new() already
+  has the free boot ROM initialized. No hash validation on the external
+  file; Rom::from_slice() only checks length == 512.
+
+  Unlike Handy and Gearlynx, Holani always boots because the free ROM
+  is compiled in. The real BIOS provides more accurate boot behavior
+  (encrypted cart loader, original RSA key), while the free ROM
+  reimplements the boot sequence without proprietary code.
+
+  ROM extensions: .lnx, .o
+  Core options: none.
+
+files:
+  - name: "lynxboot.img"
+    description: "Atari Lynx boot ROM"
+    region: "World"
+    required: false
+    size: 512
+    sha1: "e4ed47fae31693e016b081c6bda48da5b70d7ccb"
+    md5: "fcd403db69f54290b51035d82f835e7b"
+    crc32: "0d973c9d"
+    source_ref: "holani-retro lib.rs:110-121 (bios load path), holani rom.rs:14-47 (FREE_BOOTROM embedded fallback), rom.rs:72-79 (from_slice length check only)"
+    notes: "Optional. Core ships with a free boot ROM embedded at compile time. Real BIOS provides original encrypted cart loader. No CRC/hash validation on load, only size == 512."