build: 添加 AppImage 打包脚本

- 新增 build_appimage.sh 脚本，支持先构建二进制再打包为 AppImage
- 二进制输出到 dist/ 目录
- AppDir 结构支持跨发行版兼容

build/build_appimage.sh

@@ -0,0 +1,114 @@
+#!/bin/bash
+set -e
+echo "===== Building TrulyMEM AppImage for Linux ====="
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
+cd "$PROJECT_ROOT"
+if ! command -v python3 &> /dev/null; then
+    echo "Error: python3 not found"
+    exit 1
+fi
+APPDIR="$PROJECT_ROOT/TrulyMEM.AppDir"
+rm -rf "$APPDIR"
+mkdir -p "$APPDIR/usr/bin"
+echo "===== Step 1: Build binary with PyInstaller ====="
+VENV_DIR="$PROJECT_ROOT/.venv_appimage"
+rm -rf "$VENV_DIR"
+python3 -m venv "$VENV_DIR"
+source "$VENV_DIR/bin/activate"
+pip install --upgrade pip
+pip install -r requirements.txt
+pip install pyinstaller
+rm -rf "$PROJECT_ROOT/build/pyinstaller_build" "$PROJECT_ROOT/dist"
+echo "Running PyInstaller..."
+pyinstaller trulymem_entry.py \
+    --clean \
+    --onefile \
+    --console \
+    --name TrulyMEM \
+    --distpath "$PROJECT_ROOT/dist" \
+    --workpath "$PROJECT_ROOT/build/pyinstaller_build" \
+    --add-data "ui/styles:ui/styles" \
+    --add-data "core/prompts/templates:core/prompts/templates" \
+    --hidden-import textual \
+    --hidden-import textual.app \
+    --hidden-import textual.widgets \
+    --hidden-import textual.css \
+    --hidden-import openai \
+    --hidden-import openai._client \
+    --hidden-import neo4j \
+    --hidden-import sqlite3 \
+    --hidden-import core \
+    --hidden-import core.embedded_db \
+    --hidden-import core.graph_client \
+    --hidden-import core.tool_executor \
+    --hidden-import core.tool_limiter \
+    --hidden-import core.tools \
+    --hidden-import core.tools.memory_tools \
+    --hidden-import core.prompts \
+    --hidden-import core.prompts.prompt_manager \
+    --hidden-import ui \
+    --hidden-import ui.app \
+    --hidden-import ui.models \
+    --hidden-import ui.models.message \
+    --hidden-import ui.models.config \
+    --hidden-import ui.models.log_entry \
+    --hidden-import ui.widgets \
+    --hidden-import ui.handlers \
+    --hidden-import ui.services \
+    --hidden-import ui.services.config_manager \
+    --hidden-import ui.services.config_service \
+    --collect-all textual \
+    --noconfirm
+cp "$PROJECT_ROOT/dist/TrulyMEM" "$APPDIR/usr/bin/"
+cp "$PROJECT_ROOT/trulymem_entry.py" "$APPDIR/usr/share/trulymem/"
+echo "===== Step 2: Create AppImage structure ====="
+cat > "$APPDIR/AppRun" << 'EOF'
+#!/bin/bash
+set -e
+SELF=$(readlink -f "$0")
+APPDIR=$(dirname "$SELF")
+export PATH="$APPDIR/usr/bin:$PATH"
+exec "$APPDIR/usr/bin/TrulyMEM" "$@"
+EOF
+chmod +x "$APPDIR/AppRun"
+cat > "$APPDIR/trulymem.desktop" << 'EOF'
+[Desktop Entry]
+Name=TrulyMEM
+Comment=AI Memory System with Long-term Memory
+Exec=TrulyMEM %U
+Icon=trulymem
+Terminal=true
+Type=Application
+Categories=Utility;AI;
+EOF
+[ -f "$PROJECT_ROOT/pic/TrulyMEM.png" ] && cp "$PROJECT_ROOT/pic/TrulyMEM.png" "$APPDIR/trulymem.png"
+APPIMAGE="$PROJECT_ROOT/TrulyMEM.AppImage"
+rm -f "$APPIMAGE"
+echo "===== Step 3: Package as AppImage ====="
+cd /tmp
+if ! command -v appimagetool &> /dev/null; then
+    echo "Downloading appimagetool..."
+    wget -q https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage -O appimagetool 2>/dev/null || \
+    curl -sL https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage -o appimagetool
+    chmod +x appimagetool 2>/dev/null || true
+fi
+cd "$PROJECT_ROOT"
+if [ -x /tmp/appimagetool ]; then
+    /tmp/appimagetool "$APPDIR" "$APPIMAGE" || {
+        echo "appimagetool failed, keeping AppDir for manual packaging"
+    }
+elif command -v appimagetool &> /dev/null; then
+    appimagetool "$APPDIR" "$APPIMAGE"
+else
+    echo "Warning: appimagetool not available"
+    echo "AppDir created at: $APPDIR"
+    echo "You can manually run: appimagetool $APPDIR $APPIMAGE"
+fi
+echo "===== Build Complete ====="
+[ -f "$APPIMAGE" ] && echo "AppImage: $APPIMAGE" && ls -la "$APPIMAGE"
+[ -d "$APPDIR" ] && echo "AppDir: $APPDIR (can be packaged manually with appimagetool)"
+deactivate
+rm -rf "$VENV_DIR"
+rm -f /tmp/appimagetool
+echo "Done!"