fix: replace bash <(curl) with curl | bash in all install instructions

Process substitution <(...) fails with sudo and on systems without /dev/fd.
Pipe syntax works universally on all Linux/macOS systems.

Also changed curl -s to curl -fsSL for proper error handling.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

claude/uclaude_install.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 # UClaude — one-line installer with full auto-install chain
-# Usage: bash <(curl -s https://git.sensey24.ru/aibot777/unlimitedcoding/raw/branch/master/claude/uclaude_install.sh)
+# Usage: curl -fsSL https://git.sensey24.ru/aibot777/unlimitedcoding/raw/branch/master/claude/uclaude_install.sh | bash
 set -e
 
 REPO_URL="https://git.sensey24.ru/aibot777/unlimitedcoding.git"
@@ -30,7 +30,7 @@ install_pkg() {
 need_sudo() {
     if [ "$(id -u)" -ne 0 ]; then
         echo "  Root privileges required to install packages."
-        echo "  Re-run: sudo bash <(curl -s $REPO_URL/raw/branch/master/claude/uclaude_install.sh)"
+        echo "  Re-run: curl -fsSL $REPO_URL/raw/branch/master/claude/uclaude_install.sh | sudo bash"
         exit 1
     fi
 }