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

.gitignore

@@ -1,9 +1,103 @@
+# =====================================================
+# NomadArch - Git Ignore Configuration
+# Clean public repository version
+# =====================================================
+
+# ===================== Dependencies =====================
 node_modules/
+.pnpm-store/
+.yarn/
+
+# ===================== Build Outputs ====================
 dist/
 release/
+out/
+*.bundle.js
+*.bundle.js.map
+
+# ===================== IDE & Editor =====================
 .DS_Store
-*.log
+.idea/
+*.swp
+*.swo
+.vscode/
+*.code-workspace
+.dir-locals.el
+
+# ===================== Vite / Build Tools ===============
 .vite/
 .electron-vite/
-out/
-.dir-locals.el
+*.local
+
+# ===================== Logs & Debug =====================
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+install.log
+.tmp-*.log
+
+# ===================== OS Generated Files ===============
+Thumbs.db
+ehthumbs.db
+Desktop.ini
+
+# ===================== Temporary Files ==================
+*.tmp
+*.temp
+.tmp-*/
+.cache/
+*.bak
+
+# ===================== Environment & Secrets ============
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+.env*.local
+*.pem
+*.key
+secrets/
+credentials/
+
+# ===================== OpenCode Data ====================
+.opencode/
+!.opencode/.gitignore
+
+# ===================== Session & User Data ==============
+.trae/
+.agent/artifacts/
+.backup/
+.tmp-qwen-code/
+
+# ===================== MCP Config (may contain keys) ===
+# Keep the template but user should configure their own
+# .mcp.json
+
+# ===================== Test Coverage ====================
+coverage/
+.nyc_output/
+
+# ===================== Electron Build ===================
+packages/electron-app/dist/
+packages/electron-app/out/
+packages/electron-app/release/
+
+# ===================== UI Build =========================
+packages/ui/dist/
+packages/ui/renderer/dist/
+
+# ===================== Server Build =====================
+packages/server/dist/
+
+# ===================== Lock files (optional) ============
+# package-lock.json
+# pnpm-lock.yaml
+# yarn.lock
+
+# ===================== Backup Files =====================
+*.backup
+*_backup*
+_backup_original/