diff --git a/scripts/source/files/arrays/function_manifest.sh b/scripts/source/files/arrays/function_manifest.sh
index e9b9eed..78a3ff5 100644
--- a/scripts/source/files/arrays/function_manifest.sh
+++ b/scripts/source/files/arrays/function_manifest.sh
@@ -684,6 +684,7 @@ declare -gA LP_FN_MAP=(
     [_lpvCheckCompose]="validation/validate_config.sh"
     [_lpvCheckConfigFile]="validation/validate_config.sh"
     [_lpvCheckDeployedSecrets]="validation/validate_config.sh"
+    [_lpvCheckDeployedValues]="validation/validate_config.sh"
     [_lpvCheckPlaceholders]="validation/validate_config.sh"
     [lpVerifyInstall]="source/verify.sh"
     [lpVerifyMinisig]="source/fetch.sh"
@@ -1831,6 +1832,7 @@ declare -gA LP_FN_ROOT=(
     [_lpvCheckCompose]="scripts"
     [_lpvCheckConfigFile]="scripts"
     [_lpvCheckDeployedSecrets]="scripts"
+    [_lpvCheckDeployedValues]="scripts"
     [_lpvCheckPlaceholders]="scripts"
     [lpVerifyInstall]="scripts"
     [lpVerifyMinisig]="scripts"
@@ -3014,6 +3016,7 @@ _lpvCheckAuthAdapter() { unset -f _lpvCheckAuthAdapter; __lpAutoload "${install_
 _lpvCheckCompose() { unset -f _lpvCheckCompose; __lpAutoload "${install_scripts_dir}validation/validate_config.sh"; _lpvCheckCompose "$@"; }
 _lpvCheckConfigFile() { unset -f _lpvCheckConfigFile; __lpAutoload "${install_scripts_dir}validation/validate_config.sh"; _lpvCheckConfigFile "$@"; }
 _lpvCheckDeployedSecrets() { unset -f _lpvCheckDeployedSecrets; __lpAutoload "${install_scripts_dir}validation/validate_config.sh"; _lpvCheckDeployedSecrets "$@"; }
+_lpvCheckDeployedValues() { unset -f _lpvCheckDeployedValues; __lpAutoload "${install_scripts_dir}validation/validate_config.sh"; _lpvCheckDeployedValues "$@"; }
 _lpvCheckPlaceholders() { unset -f _lpvCheckPlaceholders; __lpAutoload "${install_scripts_dir}validation/validate_config.sh"; _lpvCheckPlaceholders "$@"; }
 lpVerifyInstall() { unset -f lpVerifyInstall; __lpAutoload "${install_scripts_dir}source/verify.sh"; lpVerifyInstall "$@"; }
 lpVerifyMinisig() { unset -f lpVerifyMinisig; __lpAutoload "${install_scripts_dir}source/fetch.sh"; lpVerifyMinisig "$@"; }
diff --git a/scripts/webui/data/generators/updater/webui_updater_scan.sh b/scripts/webui/data/generators/updater/webui_updater_scan.sh
index 9e1878e..ea3928d 100644
--- a/scripts/webui/data/generators/updater/webui_updater_scan.sh
+++ b/scripts/webui/data/generators/updater/webui_updater_scan.sh
@@ -241,7 +241,16 @@ updaterTagBumpAt() {
 # turn one app's scan into a crawl.
 updaterNewerVersionByProbe() {
     local cur="$1" repo="$2"
-    declare -F updaterTagExists >/dev/null 2>&1 || return 0     # ladder unavailable
+    # updaterTagExists lives in the ladder, and a cross-file function is not
+    # reliably already loaded here — same situation updaterAppPolicy handles
+    # below, so use the same remedy rather than assuming. Without the explicit
+    # source a missing function would make this whole fallback silently do
+    # nothing, which is precisely the failure mode it exists to remove.
+    if ! declare -F updaterTagExists >/dev/null 2>&1; then
+        [ -f "$install_scripts_dir/cli/commands/updater/cli_updater_ladder.sh" ] \
+            && source "$install_scripts_dir/cli/commands/updater/cli_updater_ladder.sh" 2>/dev/null
+        declare -F updaterTagExists >/dev/null 2>&1 || return 0
+    fi
     local shape; shape="$(updaterTagShape "$cur")"
     local ncomp; ncomp="$(printf '%s' "$cur" | grep -oE '[0-9]+' | wc -l | tr -d ' ')"
     [ "${ncomp:-0}" -gt 0 ] 2>/dev/null || return 0