feat: align motrix-style download UI/actions and stabilize aria2 ops

scripts/sync-aria2-from-motrix.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
+MOTRIX_DIR="${1:-/Users/A/Work/Motrix}"
+SRC_BASE="$MOTRIX_DIR/extra"
+DST_BASE="$ROOT_DIR/src-tauri/resources/engine"
+
+if [ ! -d "$SRC_BASE" ]; then
+  echo "[sync-aria2] Motrix extra directory not found: $SRC_BASE"
+  exit 1
+fi
+
+rm -rf "$DST_BASE"
+mkdir -p "$DST_BASE"
+
+copy_engine_dir() {
+  local src="$1"
+  local dst="$2"
+  if [ -d "$src" ]; then
+    mkdir -p "$dst"
+    cp "$src"/aria2c* "$dst"/ 2>/dev/null || true
+    cp "$src"/aria2.conf "$dst"/ 2>/dev/null || true
+    echo "[sync-aria2] copied $src -> $dst"
+  fi
+}
+
+# macOS
+copy_engine_dir "$SRC_BASE/darwin/arm64/engine" "$DST_BASE/darwin/arm64"
+copy_engine_dir "$SRC_BASE/darwin/x64/engine" "$DST_BASE/darwin/x64"
+
+# Linux aliases
+copy_engine_dir "$SRC_BASE/linux/x64/engine" "$DST_BASE/linux/x64"
+copy_engine_dir "$SRC_BASE/linux/arm64/engine" "$DST_BASE/linux/arm64"
+copy_engine_dir "$SRC_BASE/linux/armv7l/engine" "$DST_BASE/linux/armv7l"
+
+# Windows
+copy_engine_dir "$SRC_BASE/win32/x64/engine" "$DST_BASE/win32/x64"
+copy_engine_dir "$SRC_BASE/win32/ia32/engine" "$DST_BASE/win32/ia32"
+
+echo "[sync-aria2] done"

scripts/version-bump.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
+cd "$ROOT_DIR"
+
+TAURI_CONF="src-tauri/tauri.conf.json"
+PKG_JSON="package.json"
+CARGO_TOML="src-tauri/Cargo.toml"
+
+if [ ! -f "$TAURI_CONF" ] || [ ! -f "$PKG_JSON" ] || [ ! -f "$CARGO_TOML" ]; then
+  echo "[version-bump] required files are missing"
+  exit 1
+fi
+
+CURRENT_VERSION="$(node -e "const fs=require('fs');const j=JSON.parse(fs.readFileSync('$TAURI_CONF','utf8'));process.stdout.write(String(j.version||''));")"
+
+if ! echo "$CURRENT_VERSION" | grep -Eq '^[0-9]+\.[0-9]+\.[0-9]+$'; then
+  echo "[version-bump] invalid version format in $TAURI_CONF: $CURRENT_VERSION"
+  exit 1
+fi
+
+IFS='.' read -r MAJOR MINOR PATCH <<< "$CURRENT_VERSION"
+NEW_VERSION="${MAJOR}.${MINOR}.$((PATCH + 1))"
+
+echo "[version-bump] $CURRENT_VERSION -> $NEW_VERSION"
+
+node -e "
+const fs = require('fs');
+const files = ['$PKG_JSON', '$TAURI_CONF'];
+for (const file of files) {
+  const json = JSON.parse(fs.readFileSync(file, 'utf8'));
+  json.version = '$NEW_VERSION';
+  fs.writeFileSync(file, JSON.stringify(json, null, 2) + '\n');
+}
+"
+
+awk -v new_ver="$NEW_VERSION" '
+BEGIN { in_package=0; done=0 }
+/^\[package\]/ { in_package=1; print; next }
+/^\[/ {
+  if ($0 != "[package]") in_package=0
+}
+{
+  if (in_package && !done && $1 == "version") {
+    sub(/"[^"]+"/, "\"" new_ver "\"")
+    done=1
+  }
+  print
+}
+' "$CARGO_TOML" > "$CARGO_TOML.tmp"
+mv "$CARGO_TOML.tmp" "$CARGO_TOML"
+
+echo "[version-bump] updated package.json / tauri.conf.json / Cargo.toml"