docs(publish): add publishing instructions for extension

Add PUBLISH.md with steps and guidelines for publishing the VSCode extension.

Author: phodal

mpp-vscode/PUBLISH.md

@@ -0,0 +1,142 @@
+# AutoDev VSCode Extension - Publishing Guide
+
+## 📦 Package Information
+
+- **Extension ID**: `Phodal.autodev`
+- **Version**: 0.5.3
+- **Package File**: `autodev-0.5.3.vsix` (3.11 MB)
+- **Dependencies**: Uses published npm packages
+  - `@autodev/[email protected]`
+  - `@autodev/[email protected]`
+
+## ✅ Pre-publish Checklist
+
+All steps completed:
+- [x] Version updated in `gradle.properties` (0.3.4)
+- [x] mpp-core built and published to npm
+- [x] mpp-ui (CLI) built and published to npm
+- [x] mpp-vscode updated to use published mpp-core
+- [x] Extension built successfully
+- [x] Extension packaged as VSIX (3.11 MB)
+- [x] Changes committed and pushed to GitHub
+
+## 🚀 Publishing to VS Code Marketplace
+
+### Option 1: Using vsce CLI (Recommended)
+
+1. **Get Personal Access Token (PAT)**
+   - Go to https://dev.azure.com/
+   - Create a new PAT with `Marketplace (Publish)` scope
+   - Save the token securely
+
+2. **Publish**
+   ```bash
+   cd /Volumes/source/ai/autocrud/mpp-vscode
+   vsce publish
+   # When prompted, enter your PAT
+   ```
+
+3. **Or publish with explicit PAT**
+   ```bash
+   vsce publish -p <YOUR_PAT>
+   ```
+
+### Option 2: Manual Upload via Web
+
+1. Go to https://marketplace.visualstudio.com/manage/publishers/Phodal
+2. Click "New Extension"
+3. Upload `autodev-0.5.3.vsix`
+4. Fill in the marketplace details
+5. Publish
+
+## 📝 First-Time Publisher Setup
+
+If this is your first time publishing as "Phodal":
+
+1. **Create Publisher**
+   ```bash
+   vsce create-publisher Phodal
+   ```
+
+2. **Login**
+   ```bash
+   vsce login Phodal
+   # Enter your PAT when prompted
+   ```
+
+## 🔍 Verify Installation
+
+After publishing, test the extension:
+
+```bash
+# Install from marketplace
+code --install-extension Phodal.autodev
+
+# Or install from local VSIX (for testing)
+code --install-extension autodev-0.5.3.vsix
+```
+
+## 📊 What's Included in the Package
+
+The VSIX contains:
+- Extension code (13.6 MB - bundled with esbuild)
+- Webview assets (374 KB - React UI)
+- Tree-sitter WASM files (10.74 MB - 8 languages)
+- Media assets (icons, fonts)
+- DevIns language syntax
+- Test mocks
+
+**Total package size**: 3.11 MB (compressed)
+
+## 🔄 Updating the Extension
+
+For future updates:
+
+1. Update version in `gradle.properties`
+2. Build and publish mpp-core if needed
+3. Update mpp-vscode/package.json dependency versions
+4. Run `npm run build`
+5. Run `vsce package`
+6. Run `vsce publish` or upload manually
+
+## 📖 Marketplace Listing
+
+**Display Name**: AutoDev - 🧙the AI-powered coding wizard (KMP Edition).
+
+**Description**: 
+> 🧙‍ AI-powered coding wizard with multilingual support 🌐, auto code generation 🏗️, based on Kotlin Multiplatform. AutoDev provides CodeLens, Chat, and powerful agent features! 🚀
+
+**Categories**:
+- Programming Languages
+- Education
+- Machine Learning
+- Snippets
+
+**Keywords**: ai, coding assistant, llm, autodev, kotlin multiplatform, kmp
+
+## 🔗 Links
+
+- Homepage: https://vscode.unitmesh.cc
+- Repository: https://github.com/unit-mesh/auto-dev-vscode
+- Issues: https://github.com/unit-mesh/auto-dev-vscode/issues
+- Marketplace: https://marketplace.visualstudio.com/items?itemName=Phodal.autodev
+
+## ⚠️ Important Notes
+
+1. **Same Publisher ID**: This extension uses `Phodal` as publisher, matching the existing AutoDev extension
+2. **Version Coordination**: mpp-core (0.3.4) and CLI (0.3.4) are published separately
+3. **File Size**: Extension is 3.11 MB compressed (includes WASM files for Tree-sitter)
+4. **Minimum VSCode**: Requires VSCode 1.85.0 or higher
+
+## 🎯 Next Steps
+
+1. Execute: `vsce publish` in the mpp-vscode directory
+2. Wait for marketplace processing (usually 5-10 minutes)
+3. Verify extension appears in marketplace
+4. Test installation and functionality
+5. Announce the release!
+
+---
+
+**Ready to publish!** 🚀
+