fix(cli): Use server-side start-by-id flow for starting processes

ts/cli/commands/process/start.ts

@@ -17,14 +17,8 @@ export function registerStartCommand(smartcli: plugins.smartcli.Smartcli) {
         return;
       }
 
-      const desc = await tspmIpcClient.request('describe', { id }).catch(() => null);
-      if (!desc) {
-        console.error(`Process with id '${id}' not found. Use 'tspm add' first.`);
-        return;
-      }
-
-      console.log(`Starting process id ${id} (${desc.config.name || id})...`);
-      const response = await tspmIpcClient.request('start', { config: desc.config });
+      console.log(`Starting process id ${id}...`);
+      const response = await tspmIpcClient.request('startById', { id });
       console.log('✓ Process started');
       console.log(`  ID: ${response.processId}`);
       console.log(`  PID: ${response.pid || 'N/A'}`);