chore: update release workflow and server.json for v1.30.0

- Update server.json: version 1.30.0, new download URL, updated description
- Add MCP package build job to release workflow
- Add SHA256 calculation for server.json
- Update release workflow to upload mcp-* package

server.json

@@ -2,18 +2,18 @@
   "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
   "name": "io.github.masdevid/mt5-quant",
   "title": "MT5-Quant",
-  "description": "MCP server for MT5 strategy development. Compile, backtest, analyze MQL5 EAs on macOS/Linux.",
+  "description": "MCP server for MT5 strategy development with 85 tools. Compile, backtest, analyze, optimize, and debug MQL5 EAs on macOS/Linux. Includes Wine/MT5 crash diagnostics.",
   "repository": {
     "url": "https://github.com/masdevid/mt5-quant",
     "source": "github"
   },
-  "version": "1.29.1",
+  "version": "1.30.0",
   "packages": [
     {
       "registryType": "mcpb",
-      "version": "1.29.1",
-      "identifier": "https://github.com/masdevid/mt5-quant/releases/download/v1.29.1/mcp-mt5-quant-macos-arm64.tar.gz",
-      "fileSha256": "dd0b3bd342af8d72c94bdd1909737f449617f8ae32952e274085576f728ad741",
+      "version": "1.30.0",
+      "identifier": "https://github.com/masdevid/mt5-quant/releases/download/v1.30.0/mcp-mt5-quant-macos-arm64.tar.gz",
+      "fileSha256": "PLACEHOLDER_SHA256",
       "transport": {
         "type": "stdio"
       },