build: Linux release outputs binaries zip + AppImage, bundle sapling params

- Linux --linux-release now produces both ObsidianDragon-Linux-x64.zip
  (raw binaries) and ObsidianDragon.AppImage (single-file)
- Windows --win-release keeps standalone exe alongside zip with binaries
- Bundle sapling-spend.params and sapling-output.params in Linux release

build.sh

@@ -5,7 +5,7 @@
 #
 # Usage:
 #   ./build.sh                        # Dev build (Linux, debug-friendly)
-#   ./build.sh --linux-release        # Linux release + AppImage
+#   ./build.sh --linux-release        # Linux release (zip + AppImage)
 #   ./build.sh --win-release          # Windows cross-compile (mingw-w64)
 #   ./build.sh --mac-release          # macOS .app bundle + DMG
 #   ./build.sh --linux-release --win-release   # Multiple targets
@@ -51,7 +51,7 @@ DragonX Wallet — Unified Build Script
 Usage: $0 [options]
 
 Targets  (at least one required, or none for dev build):
-  --linux-release     Linux release build + AppImage   -> release/linux/
+  --linux-release     Linux release (zip + AppImage)   -> release/linux/
   --win-release       Windows cross-compile (mingw-w64) -> release/windows/
   --mac-release       macOS .app bundle + DMG           -> release/mac/
 
@@ -71,7 +71,7 @@ Cross-compiling from Linux:
 
 Examples:
   $0                             # Quick dev build (Linux)
-  $0 --linux-release             # Linux release + AppImage
+  $0 --linux-release             # Linux release (zip + AppImage)
   $0 --win-release               # Windows cross-compile
   $0 --mac-release               # macOS bundle + DMG (native or osxcross)
   $0 --clean --linux-release --win-release   # Clean + both
@@ -218,7 +218,7 @@ build_dev() {
 }
 
 # ═══════════════════════════════════════════════════════════════════════════════
-#  RELEASE: LINUX  —  build + strip + bundle daemon + AppImage
+#  RELEASE: LINUX  —  build + strip + bundle daemon + zip + AppImage
 # ═══════════════════════════════════════════════════════════════════════════════
 build_release_linux() {
     header "Release: Linux x86_64"
@@ -249,17 +249,38 @@ build_release_linux() {
     # ── Bundle daemon ────────────────────────────────────────────────────────
     bundle_linux_daemon "bin" || warn "Daemon not bundled — wallet-only build"
 
+    # ── Bundle Sapling params ────────────────────────────────────────────────
+    SAPLING_SPEND="" SAPLING_OUTPUT=""
+    find_sapling_params && {
+        cp -f "$SAPLING_SPEND"  "bin/sapling-spend.params"
+        cp -f "$SAPLING_OUTPUT" "bin/sapling-output.params"
+        info "Bundled Sapling params"
+    } || warn "Sapling params not found — not bundled"
+
     # ── Package: release/linux/ ──────────────────────────────────────────────
     rm -rf "$out"
     mkdir -p "$out"
 
-    cp bin/ObsidianDragon "$out/"
+    local DIST="ObsidianDragon-Linux-x64"
-    [[ -f bin/dragonxd ]]           && cp bin/dragonxd "$out/"
+    local dist_dir="$out/$DIST"
-    [[ -f bin/dragonx-cli ]]        && cp bin/dragonx-cli "$out/"
+    mkdir -p "$dist_dir"
-    [[ -f bin/asmap.dat ]]          && cp bin/asmap.dat "$out/"
-    cp -r bin/res "$out/" 2>/dev/null || true
 
-    # ── AppImage ─────────────────────────────────────────────────────────────
+    cp bin/ObsidianDragon "$dist_dir/"
+    [[ -f bin/dragonxd ]]                && cp bin/dragonxd "$dist_dir/"
+    [[ -f bin/dragonx-cli ]]             && cp bin/dragonx-cli "$dist_dir/"
+    [[ -f bin/asmap.dat ]]               && cp bin/asmap.dat "$dist_dir/"
+    [[ -f bin/sapling-spend.params ]]    && cp bin/sapling-spend.params "$dist_dir/"
+    [[ -f bin/sapling-output.params ]]   && cp bin/sapling-output.params "$dist_dir/"
+    cp -r bin/res "$dist_dir/" 2>/dev/null || true
+
+    # ── Zip ──────────────────────────────────────────────────────────────────
+    if command -v zip &>/dev/null; then
+        (cd "$out" && zip -r "$DIST.zip" "$DIST")
+        info "Zip: $out/$DIST.zip ($(du -h "$out/$DIST.zip" | cut -f1))"
+    fi
+    rm -rf "$dist_dir"
+
+    # ── AppImage (single-file) ───────────────────────────────────────────────
     info "Creating AppImage ..."
     local APPDIR="$bd/AppDir"
     rm -rf "$APPDIR"
@@ -271,10 +292,11 @@ build_release_linux() {
     cp bin/ObsidianDragon "$APPDIR/usr/bin/"
     cp -r bin/res/* "$APPDIR/usr/share/ObsidianDragon/res/" 2>/dev/null || true
 
-    # Daemon inside AppImage
+    [[ -f bin/dragonxd ]]    && cp bin/dragonxd "$APPDIR/usr/bin/"
-    [[ -f bin/dragonxd ]]           && cp bin/dragonxd "$APPDIR/usr/bin/"
+    [[ -f bin/dragonx-cli ]] && cp bin/dragonx-cli "$APPDIR/usr/bin/"
-    [[ -f bin/dragonx-cli ]]        && cp bin/dragonx-cli "$APPDIR/usr/bin/"
+    [[ -f bin/asmap.dat ]]   && cp bin/asmap.dat "$APPDIR/usr/share/ObsidianDragon/"
-    [[ -f bin/asmap.dat ]]          && cp bin/asmap.dat "$APPDIR/usr/share/ObsidianDragon/"
+    [[ -f bin/sapling-spend.params ]]  && cp bin/sapling-spend.params "$APPDIR/usr/share/ObsidianDragon/"
+    [[ -f bin/sapling-output.params ]] && cp bin/sapling-output.params "$APPDIR/usr/share/ObsidianDragon/"
 
     # Desktop entry
     cat > "$APPDIR/usr/share/applications/ObsidianDragon.desktop" <<'DESK'
@@ -348,32 +370,11 @@ APPRUN
 
     local ARCH
     ARCH=$(uname -m)
-    local IMG_NAME="ObsidianDragon-${ARCH}.AppImage"
     cd "$bd"
-    ARCH="$ARCH" "$APPIMAGETOOL" "$APPDIR" "$IMG_NAME" 2>/dev/null && {
+    ARCH="$ARCH" "$APPIMAGETOOL" "$APPDIR" "ObsidianDragon-${ARCH}.AppImage" 2>/dev/null && {
-        cp "$IMG_NAME" "$out/"
+        cp "ObsidianDragon-${ARCH}.AppImage" "$out/ObsidianDragon.AppImage"
-        # Rename to match Windows convention: ObsidianDragon.AppImage
-        mv "$out/$IMG_NAME" "$out/ObsidianDragon.AppImage"
         info "AppImage: $out/ObsidianDragon.AppImage ($(du -h "$out/ObsidianDragon.AppImage" | cut -f1))"
-    } || warn "AppImage creation failed (appimagetool issue) — raw binary still in release/linux/"
+    } || warn "AppImage creation failed — binaries zip still in release/linux/"
-
-    # Clean up: keep only AppImage + zip in release/linux/
-    if [[ -f "$out/ObsidianDragon.AppImage" ]]; then
-        # AppImage succeeded — remove everything except AppImage
-        find "$out" -maxdepth 1 -type f ! -name 'ObsidianDragon.AppImage' -delete
-        rm -rf "$out/res" 2>/dev/null
-
-        # Create zip matching Windows naming convention
-        local DIST="ObsidianDragon-Linux-x64"
-        local dist_dir="$out/$DIST"
-        mkdir -p "$dist_dir"
-        cp "$out/ObsidianDragon.AppImage" "$dist_dir/"
-        if command -v zip &>/dev/null; then
-            (cd "$out" && zip -r "$DIST.zip" "$DIST")
-            info "Zip: $out/$DIST.zip ($(du -h "$out/$DIST.zip" | cut -f1))"
-        fi
-        rm -rf "$dist_dir"
-    fi
 
     info "Linux release artifacts: $out/"
     ls -lh "$out/"
@@ -601,31 +602,18 @@ HDR
         [[ -f "$DD/$f" ]] && cp "$DD/$f" "$dist_dir/"
     done
 
-    cat > "$dist_dir/README.txt" <<'README'
+    cp -r bin/res "$dist_dir/" 2>/dev/null || true
-DragonX Wallet - Windows Edition
-================================
 
-SINGLE-FILE DISTRIBUTION
+    # ── Single-file exe (all resources embedded) ────────────────────────────
-========================
-This wallet is a true single-file executable with all resources embedded.
-Just run ObsidianDragon.exe — no additional files needed!
-
-On first run, the wallet will automatically extract:
-- Sapling parameters to %APPDATA%\ZcashParams\
-- asmap.dat to %APPDATA%\Hush\DRAGONX\
-
-For support: https://git.dragonx.is/dragonx/ObsidianDragon
-README
-
-    # Copy single-file exe to release dir
     cp bin/ObsidianDragon.exe "$out/"
+    info "Single-file exe: $out/ObsidianDragon.exe ($(du -h "$out/ObsidianDragon.exe" | cut -f1))"
 
+    # ── Zip ──────────────────────────────────────────────────────────────────
     if command -v zip &>/dev/null; then
         (cd "$out" && zip -r "$DIST.zip" "$DIST")
         info "Zip: $out/$DIST.zip ($(du -h "$out/$DIST.zip" | cut -f1))"
-        # Clean up: keep .zip + single-file exe, remove loose directory
-        rm -rf "$dist_dir"
     fi
+    rm -rf "$dist_dir"
 
     info "Windows release artifacts: $out/"
     ls -lh "$out/"