fix7: закрыть P0/P1 блокеры runtime/install и перевести hysteria UI в read-only

tools/build/lib/deps.sh

@@ -144,6 +144,7 @@ ensure_node() {
 
 ensure_pnpm() {
   local managed="$TOOLCHAIN_DIR/pnpm/bin/pnpm"
+  export PATH="$TOOLCHAIN_DIR/pnpm/bin:$PATH"
   if [ -x "$managed" ] && [ "$($managed --version)" = "$PNPM_REQUIRED" ]; then
     PNPM_BIN="$managed"
   else
@@ -151,11 +152,8 @@ ensure_pnpm() {
     mkdir -p "$TOOLCHAIN_DIR/pnpm/bin"
     corepack enable --install-directory "$TOOLCHAIN_DIR/pnpm/bin"
     corepack prepare "pnpm@$PNPM_REQUIRED" --activate
-    if command -v pnpm >/dev/null 2>&1; then
-      cp "$(command -v pnpm)" "$managed"
-      chmod 0755 "$managed"
-    fi
-    PNPM_BIN="$(command -v pnpm)"
+    [ -x "$managed" ] || fail "pnpm binary was not installed into $managed"
+    PNPM_BIN="$managed"
   fi
 
   export PNPM_BIN