fix: plan tasks after initial exploration

src/prompt.ts

@@ -6,8 +6,8 @@ export const COMPACTION_REMINDER =
   "Active tasks exist. Call list_task now; treat its result as authoritative.";
 
 export const TASK_PROMPT_GUIDELINES = [
-  "For large, multi-stage work, call set_tasks before exploration as the only first-batch tool. Use append with force false by default; use replace with force true only for explicitly abandoned unfinished work. Start one task in-progress; skip smaller work.",
-  "Use update_task when tracked work starts, blocks, or finishes; reconcile the tree before the final response.",
+  "For work with 3+ distinct steps, explore enough to understand the scope, then call set_tasks before implementation; otherwise skip tracking. Start one task in-progress.",
+  "Use update_task when tasks start, block, or finish; keep statuses accurate before the final response.",
 ];
 
 export function formatCompactTaskTree(tasks: Task[]): string {