diff --git a/src/lib/layout/LeafPane.tsx b/src/lib/layout/LeafPane.tsx
index 25be577..be9aa71 100644
--- a/src/lib/layout/LeafPane.tsx
+++ b/src/lib/layout/LeafPane.tsx
@@ -22,11 +22,14 @@ import "./LeafPane.css";
 
 const IDLE_THRESHOLD_MS = 5000;
 
-/** Only show the context indicator when the matched claude session has been
- *  written recently — i.e. claude is actually live in (or just used in) this
- *  pane's directory. Without this, a plain bash pane sitting in a directory
- *  that once had a claude session lights up with that session's stale context. */
-const CONTEXT_ACTIVE_MS = 10 * 60 * 1000;
+/** Only show the context indicator when the pane's directory has a claude
+ *  session that was active within this window — generous, because a live
+ *  session you're actively working in can sit idle for a long while (reading,
+ *  thinking, away). It only suppresses genuinely dormant directories (old
+ *  projects). NOTE: this can't tell "claude is live in this pane" from "a
+ *  shell sitting in a directory that recently had a claude session" — that
+ *  needs a foreground-process probe into WSL (deferred). */
+const CONTEXT_ACTIVE_MS = 3 * 60 * 60 * 1000;
 
 /** How far past a viewport edge the cursor must travel before a release is
  *  treated as "drag pane out of window" instead of "drop on empty space