no-mistakes: apply CI fixes

Author: ruby-dlee

bin/fm-account-continuation.sh

@@ -151,7 +151,8 @@ capture_command_snapshot() {
   [ "$head_rc" -eq 0 ] || return "$head_rc"
   bytes=$(snapshot_bytes "$file") || return 1
   if [ "$command_rc" -eq 0 ] \
-    || { [ "$command_rc" -eq 141 ] && [ "$bytes" -gt "$MAX_SNAPSHOT_BYTES" ]; }; then
+    || { [ "$bytes" -gt "$MAX_SNAPSHOT_BYTES" ] \
+      && { [ "$command_rc" -eq 141 ] || [ "$failure_mode" = unavailable ]; }; }; then
     return 0
   fi
   [ "$failure_mode" = unavailable ] || return "$command_rc"

tests/fm-account-routing.test.sh

@@ -2224,7 +2224,9 @@ test_continuation_caps_informational_snapshots_only() {
   run_spawn "$id" "$PROJ_DIR" --account-pool claude-crew >/dev/null || fail "continuation snapshot cap precondition spawn failed"
   cat > "$FAKEBIN_DIR/no-mistakes" <<'SH'
 #!/usr/bin/env bash
+trap '' PIPE
 head -c 100000 /dev/zero | tr '\0' s
+exit 42
 SH
   chmod +x "$FAKEBIN_DIR/no-mistakes"
   rm -f "$CASE_DIR/endpoint-live"