fix: add 'run' subcommand to spawnContinueProcess

Author: RhizomaticRobin

src/tools/opencode.tool.ts

@@ -313,6 +313,7 @@ export function spawnContinueProcess(
 
   const args: string[] = [
     "--format", "json",
+    "run",
     "--session", sessionId,
   ];