Add Prism Launcher (Minecraft) to first-boot flatpaks

Microsoft account sign-in documented in OPERATIONS.md; Prism manages
its own Java runtimes.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

OPERATIONS.md

@@ -74,6 +74,9 @@ high clocks. Change one thing at a time and re-check `sensors`.
   `bc250-remote-setup` hasn't been run yet.
 - Steam misbehaves after an update → try ProtonUp-Qt (installed) to switch
   the game to Proton-GE.
+- Minecraft: open Prism Launcher, add an account (Microsoft sign-in — a paid
+  Minecraft: Java Edition license on that account), then create an instance
+  for the version/modpack you want. Prism downloads its own Java.
 - GeForce NOW (beta) installs itself on first boot with internet. The BC-250
   has no hardware video decode, so the stream decodes on the CPU: keep it at
   1080p (higher settings will stutter and run hot). If it's missing, check

README.md

@@ -18,7 +18,7 @@ over-the-air from this Gitea's container registry.
 | Remote admin | `openssh-server` (enabled) + `gnome-remote-desktop` (RDP); one-time `bc250-remote-setup` script; `tailscaled` enabled |
 | Console behavior | All suspend paths masked, no screen lock/dim, GNOME animations off — always on, always reachable |
 | Kid experience | Steam Big Picture autostarts for the `kid` account only |
-| Apps | First-boot flatpaks: ProtonUp-Qt, Heroic, RetroDECK (Steam, Firefox, auto-updates already in the Bazzite base) |
+| Apps | First-boot flatpaks: ProtonUp-Qt, Heroic, RetroDECK, Prism Launcher (Minecraft) — Steam, Firefox, auto-updates already in the Bazzite base |
 | Cloud gaming | GeForce NOW native Linux app (beta) auto-installed on first boot from NVIDIA's flatpak repo — note the BC-250 has no hardware video decode, so streams decode on CPU; keep to 1080p |
 | Fixes | `hhd.service` masked (crash-loops on BC-250) |
 | Docs | Parent manual baked at `/usr/share/doc/bc250-console/OPERATIONS.md` |

files/console/usr/share/doc/bc250-console/OPERATIONS.md

@@ -74,6 +74,9 @@ high clocks. Change one thing at a time and re-check `sensors`.
   `bc250-remote-setup` hasn't been run yet.
 - Steam misbehaves after an update → try ProtonUp-Qt (installed) to switch
   the game to Proton-GE.
+- Minecraft: open Prism Launcher, add an account (Microsoft sign-in — a paid
+  Minecraft: Java Edition license on that account), then create an instance
+  for the version/modpack you want. Prism downloads its own Java.
 - GeForce NOW (beta) installs itself on first boot with internet. The BC-250
   has no hardware video decode, so the stream decodes on the CPU: keep it at
   1080p (higher settings will stutter and run hot). If it's missing, check

recipes/bc250-console-gnome.yml

@@ -34,6 +34,7 @@ modules:
         - net.davidotek.pupgui2 # ProtonUp-Qt: Proton-GE manager
         - com.heroicgameslauncher.hgl # Heroic: Epic + GOG
         - net.retrodeck.retrodeck # RetroDECK: retro emulation
+        - org.prismlauncher.PrismLauncher # Minecraft (Java; sign in with Microsoft account)
 
   - type: systemd
     system: