update: always wait for Oracle results instead of blanket background_cancel(all=true)

src/agents/dynamic-agent-prompt-builder.ts

@@ -336,6 +336,10 @@ ${avoidWhen.map((w) => `- ${w}`).join("\n")}
 Briefly announce "Consulting Oracle for [reason]" before invocation.
 
 **Exception**: This is the ONLY case where you announce before acting. For all other work, start immediately without status updates.
+
+### Oracle Background Task Policy:
+- Oracle takes 20+ min by design. Always wait for Oracle results via \`background_output\` before final answer.
+- Oracle provides independent analysis from a different angle that catches blind spots — even when you believe you already have sufficient context, Oracle's perspective is worth the wait.
 </Oracle_Usage>`
 }
 

src/agents/sisyphus.ts

@@ -310,7 +310,7 @@ result = task(..., run_in_background=false)  // Never wait synchronously for exp
 1. Launch parallel agents → receive task_ids
 2. Continue immediate work
 3. When results needed: \`background_output(task_id="...")\`
-4. BEFORE final answer: \`background_cancel(all=true)\`
+4. Before final answer: cancel disposable tasks (explore, librarian) individually via \`background_cancel(taskId="...")\`. Always wait for Oracle — collect its result via \`background_output\` before answering.
 
 ### Search Stop Conditions
 
@@ -449,8 +449,9 @@ If verification fails:
 3. Report: "Done. Note: found N pre-existing lint errors unrelated to my changes."
 
 ### Before Delivering Final Answer:
-- Cancel ALL running background tasks: \`background_cancel(all=true)\`
-- This conserves resources and ensures clean workflow completion
+- Cancel disposable background tasks (explore, librarian) individually via \`background_cancel(taskId="...")\`
+- **Always wait for Oracle**: Oracle takes 20+ min by design and always provides valuable independent analysis from a different angle — even when you already have enough context. Collect Oracle results via \`background_output\` before answering.
+- When Oracle is running, cancel disposable tasks individually instead of using \`background_cancel(all=true)\`.
 </Behavior_Instructions>
 
 ${oracleSection}