fix(netdata): use official packagecloud repository instead of broken kickstart.sh

lib/netdata.sh

@@ -29,8 +29,36 @@ install_netdata() {
             ;;
     esac
 
-    # Install Netdata from GitHub (works across distributions)
-    handle_error bash <(curl -Ss https://my-netdata.io/kickstart.sh) --stable-channel --disable-telemetry
+    # Install Netdata using official repository for better reliability
+    case $DISTRO in
+        ubuntu|debian)
+            # Add Netdata repository
+            handle_error curl -fsSL https://packagecloud.io/netdata/netdata/gpgkey | sudo gpg --dearmor -o /usr/share/keyrings/netdata-archive-keyring.gpg
+            handle_error echo "deb [signed-by=/usr/share/keyrings/netdata-archive-keyring.gpg] https://packagecloud.io/netdata/netdata/ubuntu/ noble main" | sudo tee /etc/apt/sources.list.d/netdata.list > /dev/null
+            handle_error sudo apt-get update
+            handle_error sudo apt-get install -y netdata
+            ;;
+        fedora)
+            # Add Netdata repository
+            handle_error curl -fsSL https://packagecloud.io/netdata/netdata/gpgkey | sudo rpm --import -
+            handle_error curl -fsSL https://packagecloud.io/install/repositories/netdata/netdata/script.rpm.sh | sudo bash
+            handle_error sudo dnf install -y netdata
+            ;;
+        arch)
+            # Install from AUR or official repos if available
+            handle_error sudo pacman -S --noconfirm netdata
+            ;;
+        opensuse)
+            # Add Netdata repository
+            handle_error sudo zypper addrepo -f https://packagecloud.io/netdata/netdata/opensuse/15.6 netdata
+            handle_error sudo zypper --gpg-auto-import-keys refresh
+            handle_error sudo zypper install -y netdata
+            ;;
+        *)
+            log_error "Unsupported Linux distribution: $DISTRO"
+            exit 1
+            ;;
+    esac
 
     handle_error sudo systemctl enable netdata
     handle_error sudo systemctl start netdata