diff --git a/ProblemMap/GlobalFixMap/OpsDeploy/cache_warmup_invalidation.md b/ProblemMap/GlobalFixMap/OpsDeploy/cache_warmup_invalidation.md
index 5f4ac701..05a0a448 100644
--- a/ProblemMap/GlobalFixMap/OpsDeploy/cache_warmup_invalidation.md
+++ b/ProblemMap/GlobalFixMap/OpsDeploy/cache_warmup_invalidation.md
@@ -1,5 +1,22 @@
 # Cache Warmup and Invalidation: OpsDeploy Guardrails
 
+<details>
+  <summary><strong>🧭 Quick Return to Map</strong></summary>
+
+<br>
+
+  > You are in a sub-page of **OpsDeploy**.  
+  > To reorient, go back here:  
+  >
+  > - [**OpsDeploy** — operations automation and deployment pipelines](./README.md)  
+  > - [**WFGY Global Fix Map** — main Emergency Room, 300+ structured fixes](../README.md)  
+  > - [**WFGY Problem Map 1.0** — 16 reproducible failure modes](../../README.md)  
+  >
+  > Think of this page as a desk within a ward.  
+  > If you need the full triage and all prescriptions, return to the Emergency Room lobby.
+</details>
+
+
 Warm caches stop cold-start spikes and prevent stampedes. Correct invalidation prevents stale or cross-index answers. Use this page to design keys, warmup order, and safe evictions for RAG and agent pipelines.
 
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