fix: MCP commands now added to history for ↑↓ navigation

app/src/main/assets/console.js

@@ -2062,6 +2062,7 @@ class SymjaConsole {
             const events = JSON.parse(json);
             events.forEach(ev => {
                 this.mcpEventCount++;
+                this.addToHistory(ev.expression);
                 this.addOutput(ev.expression, 'mcp-input', { seq: this.mcpEventCount });
                 // 检测 LaTeX 渲染
                 if (ev.result && ev.result.startsWith('##TEXFORM##')) {