fix cliamp panel header, home dir lookup, and go install path

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

scripts/setup.sh

@@ -423,10 +423,12 @@ install_go() {
       esac
       echo "  Installing Go ${GOLANG_VERSION} from official tarball..."
       curl -fsSL "https://go.dev/dl/go${GOLANG_VERSION}.linux-${GO_ARCH}.tar.gz" -o /tmp/go.tar.gz
-      sudo rm -rf /usr/local/go
-      sudo tar -C /usr/local -xzf /tmp/go.tar.gz
+      rm -rf "$HOME/.local/go"
+      mkdir -p "$HOME/.local"
+      tar -C "$HOME/.local" -xzf /tmp/go.tar.gz
       rm /tmp/go.tar.gz
-      export PATH="/usr/local/go/bin:$PATH"
+      export GOPATH="$HOME/.local/go-path"
+      export PATH="$HOME/.local/go/bin:$GOPATH/bin:$PATH"
       ;;
     brew)
       brew install go
@@ -503,7 +505,7 @@ fi
 echo ""
 echo "── cliamp ──"
 
-GOPATH_BIN="${GOPATH:-$HOME/go}/bin"
+GOPATH_BIN="${GOPATH:-$HOME/.local/go-path}/bin"
 export PATH="$GOPATH_BIN:$PATH"
 
 if has cliamp; then
@@ -844,7 +846,7 @@ echo "════════════════════════
 echo ""
 echo "Notes:"
 echo "  • PulseAudio null sink starts automatically with the server"
-echo "  • Make sure ~/go/bin is in your PATH for cliamp"
+echo "  • Make sure ~/.local/go/bin and ~/.local/go-path/bin are in your PATH for Go tools"
 echo "  • Make sure ~/.cargo/bin is in your PATH for Rust tools"
 echo "  • sharp, whisper-cpp, mlx-audio can be installed from Settings > Applications"
 echo ""