Added empty tools array to fix LiteLLM error

Co-authored-by: rekram1-node <rekram1-node@users.noreply.github.com>

packages/opencode/src/session/compaction.ts

@@ -173,6 +173,7 @@ export namespace SessionCompaction {
             ],
           },
         ],
+        tools: [],
       })
 
     // TODO: reduce duplication between compaction.ts & prompt.ts