From 033df45ef92be28543b5ef5c4c8c84e00ca81f99 Mon Sep 17 00:00:00 2001
From: Levi Neely <141506390+lneely@users.noreply.github.com>
Date: Sun, 17 May 2026 13:19:50 +0200
Subject: [PATCH] cascade: exponential backoff for session readiness poll

---
 tools/cascade | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tools/cascade b/tools/cascade
index 7510f0d..cfd95a0 100755
--- a/tools/cascade
+++ b/tools/cascade
@@ -23,8 +23,12 @@ model=${MODEL}"
 printf '%s\n' "$kv" > "$OLLIE/s/new" || die "failed to create session"
 
 B="$OLLIE/s/$id"
-deadline=$(( $(date +%s) + 5 ))
-until [ -d "$B" ] || [ "$(date +%s)" -ge "$deadline" ]; do sleep 0.05; done
+wait=0.1
+for _ in 1 2 3 4 5 6 7 8; do
+    [ -d "$B" ] && break
+    sleep "$wait"
+    wait=$(awk "BEGIN{printf \"%.2f\", $wait * 2}")
+done
 [ -d "$B" ] || die "timeout waiting for session $id"
 
 prompt="[parent_session_id=${OLLIE_SESSION_ID}]