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

packages/opencode-config/plugin/hello.js

@@ -1,18 +1,8 @@
-import { tool } from "@opencode-ai/plugin/tool"
+// NomadArch Plugin Template
+// This file is a placeholder. OpenCode plugins are optional.
+// To create a plugin, see: https://opencode.ai/docs/plugins
 
-export async function HelloPlugin() {
-  return {
-    tool: {
-      hello: tool({
-        description: "Return a friendly greeting",
-        args: {
-          name: tool.schema.string().optional().describe("Name to greet"),
-        },
-        async execute(args) {
-          const target = args.name?.trim() || "CodeNomad"
-          return `Hello, ${target}!`
-        },
-      }),
-    },
-  }
+export async function init() {
+  // No-op placeholder - customize as needed
+  return {}
 }