Build offline OpenPrestige release bundles

Rename the injector and package it with an embedded payload for Windows, Linux, and macOS x64/ARM64. Add a core-only ImGui native build, multi-platform CI and release packaging, and shared per-user storage with legacy config migration.

build-injector.sh

@@ -1,34 +1,24 @@
 #!/bin/sh
-# Builds the Prestige payload jar (remapped for the production Fabric runtime), then the Rust injector and loader
-# library, and collects PrestigeInjector + libprestige_native.{so,dylib} in dist/.
-# Optional: set JAVA_HOME to pick the JDK used by Gradle.
+# Build OpenPrestige for the current host. Optional JAVA_HOME selects the Gradle JDK.
 set -eu
-
 cd "$(dirname "$0")"
-
 case "$(uname -s)" in
-    Linux)  LIB=libprestige_native.so ;;
+    Linux) LIB=libprestige_native.so ;;
     Darwin) LIB=libprestige_native.dylib ;;
-    *)      echo "unsupported OS: $(uname -s) (use build-injector.ps1 on Windows)" >&2; exit 1 ;;
+    *) echo "Use build-injector.ps1 on Windows" >&2; exit 1 ;;
 esac
-
 if [ -n "${JAVA_HOME:-}" ]; then
     export JAVA_HOME
     PATH="$JAVA_HOME/bin:$PATH"
     export PATH
 fi
-
 ./gradlew remapJar --console=plain
 cargo build --release --manifest-path injector/Cargo.toml
-
 mkdir -p dist
-cp -f "injector/target/release/PrestigeInjector" "injector/target/release/$LIB" dist/
-chmod +x dist/PrestigeInjector
-
-# the same remapped jar is the Fabric mod (drop it into mods/)
+cp -f "injector/target/release/OpenPrestigeInjector" "injector/target/release/$LIB" dist/
+chmod +x dist/OpenPrestigeInjector
 for jar in build/libs/prestige-*.jar; do
     case "$jar" in *-dev.jar|*-sources.jar) continue ;; esac
     cp -f "$jar" dist/
 done
-
-echo "Done: dist/PrestigeInjector + dist/$LIB + dist/prestige-*.jar (Fabric mod)"
+echo "Done: dist/OpenPrestigeInjector + dist/$LIB + Fabric mod JAR"