v0.5.0: Binary-Free Mode - No OpenCode binary required

✨ Major Features:
- Native session management without OpenCode binary
- Provider routing: OpenCode Zen (free), Qwen OAuth, Z.AI
- Streaming chat with tool execution loop
- Mode detection API (/api/meta/mode)
- MCP integration fix (resolved infinite loading)
- NomadArch Native option in UI with comparison info

🆓 Free Models (No API Key):
- GPT-5 Nano (400K context)
- Grok Code Fast 1 (256K context)
- GLM-4.7 (205K context)
- Doubao Seed Code (256K context)
- Big Pickle (200K context)

📦 New Files:
- session-store.ts: Native session persistence
- native-sessions.ts: REST API for sessions
- lite-mode.ts: UI mode detection client
- native-sessions.ts (UI): SolidJS store

🔧 Updated:
- All installers: Optional binary download
- All launchers: Mode detection display
- Binary selector: Added NomadArch Native option
- README: Binary-Free Mode documentation

Launch-Unix.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # NomadArch Launcher for macOS and Linux
-# Version: 0.4.0
+# Version: 0.5.0 - Binary-Free Mode
 
 set -euo pipefail
 
@@ -17,10 +17,11 @@ cd "$SCRIPT_DIR"
 ERRORS=0
 WARNINGS=0
 AUTO_FIXED=0
+BINARY_FREE_MODE=0
 
 echo ""
 echo "NomadArch Launcher (macOS/Linux)"
-echo "Version: 0.4.0"
+echo "Version: 0.5.0 - Binary-Free Mode"
 echo ""
 
 echo "[PREFLIGHT 1/7] Checking Dependencies..."
@@ -48,16 +49,16 @@ NPM_VERSION=$(npm --version)
 echo -e "${GREEN}[OK]${NC} npm: $NPM_VERSION"
 
 echo ""
-echo "[PREFLIGHT 2/7] Checking for OpenCode CLI..."
+echo "[PREFLIGHT 2/7] Checking for OpenCode CLI (Optional)..."
 
 if command -v opencode &> /dev/null; then
-    echo -e "${GREEN}[OK]${NC} OpenCode CLI available in PATH"
+    echo -e "${GREEN}[OK]${NC} OpenCode CLI available in PATH - Full Mode"
 elif [[ -f "$SCRIPT_DIR/bin/opencode" ]]; then
-    echo -e "${GREEN}[OK]${NC} OpenCode binary found in bin/"
+    echo -e "${GREEN}[OK]${NC} OpenCode binary found in bin/ - Full Mode"
 else
-    echo -e "${YELLOW}[WARN]${NC} OpenCode CLI not found"
-    echo "[INFO] Run Install-*.sh to set up OpenCode"
-    ((WARNINGS++))
+    echo -e "${BLUE}[INFO]${NC} OpenCode CLI not found - Using Binary-Free Mode"
+    echo -e "${BLUE}[INFO]${NC} Free models (GPT-5 Nano, Grok Code, GLM-4.7) available via OpenCode Zen"
+    BINARY_FREE_MODE=1
 fi
 
 echo ""
@@ -84,7 +85,24 @@ SERVER_PORT=$DEFAULT_SERVER_PORT
 UI_PORT=$DEFAULT_UI_PORT
 
 for port in {3001..3050}; do
-    if ! lsof -i :$port -sTCP:LISTEN -t > /dev/null 2>&1; then
+    # Try lsof first, then ss, then netstat
+    if command -v lsof &> /dev/null; then
+        if ! lsof -i :$port -sTCP:LISTEN -t > /dev/null 2>&1; then
+            SERVER_PORT=$port
+            break
+        fi
+    elif command -v ss &> /dev/null; then
+        if ! ss -tuln | grep -q ":$port "; then
+            SERVER_PORT=$port
+            break
+        fi
+    elif command -v netstat &> /dev/null; then
+        if ! netstat -tuln | grep -q ":$port "; then
+            SERVER_PORT=$port
+            break
+        fi
+    else
+        # No port checking tools, just use default
         SERVER_PORT=$port
         break
     fi
@@ -133,6 +151,12 @@ echo -e "${BLUE}[STATUS]${NC}"
 echo ""
 echo "  Node.js: $NODE_VERSION"
 echo "  npm: $NPM_VERSION"
+if [[ $BINARY_FREE_MODE -eq 1 ]]; then
+    echo "  Mode: Binary-Free Mode (No OpenCode binary required)"
+    echo "  Free Models: GPT-5 Nano, Grok Code, GLM-4.7, Doubao, Big Pickle"
+else
+    echo "  Mode: Full Mode (OpenCode binary available)"
+fi
 echo "  Auto-fixes applied: $AUTO_FIXED"
 echo "  Warnings: $WARNINGS"
 echo "  Errors: $ERRORS"
@@ -158,6 +182,7 @@ elif [[ "$OSTYPE" == "linux-gnu"* ]]; then
 fi
 
 export CLI_PORT=$SERVER_PORT
+export NOMADARCH_BINARY_FREE_MODE=$BINARY_FREE_MODE
 npm run dev:electron
 
 EXIT_CODE=$?