Fix install script to match goreleaser tarball naming

The install script expected bare binaries (ty-linux-amd64) but goreleaser
produces versioned tarballs (ty_0.2.26_linux_amd64.tar.gz).

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

Author: bborn

scripts/install.sh

@@ -137,16 +137,17 @@ install_ty() {
     local version=$3
     local tmp_dir=$4
 
-    local filename="ty-${os}-${arch}"
+    local filename="ty_${version#v}_${os}_${arch}.tar.gz"
     local url="https://github.com/${REPO}/releases/download/${version}/${filename}"
 
     info "Downloading ty ${version} for ${os}/${arch}..."
 
-    # Download binary
-    if ! curl -fsSL "$url" -o "${tmp_dir}/ty"; then
+    # Download and extract tarball
+    if ! curl -fsSL "$url" -o "${tmp_dir}/ty.tar.gz"; then
         error "Failed to download from ${url}"
     fi
 
+    tar -xzf "${tmp_dir}/ty.tar.gz" -C "${tmp_dir}"
     chmod +x "${tmp_dir}/ty"
 
     # Install binary
@@ -171,16 +172,17 @@ install_taskd() {
         return 0
     fi
 
-    local filename="taskd-${os}-${arch}"
+    local filename="taskd_${version#v}_${os}_${arch}.tar.gz"
     local url="https://github.com/${REPO}/releases/download/${version}/${filename}"
 
     info "Downloading taskd ${version} for ${os}/${arch}..."
 
-    # Download binary
-    if ! curl -fsSL "$url" -o "${tmp_dir}/taskd"; then
+    # Download and extract tarball
+    if ! curl -fsSL "$url" -o "${tmp_dir}/taskd.tar.gz"; then
         error "Failed to download taskd from ${url}"
     fi
 
+    tar -xzf "${tmp_dir}/taskd.tar.gz" -C "${tmp_dir}"
     chmod +x "${tmp_dir}/taskd"
 
     # Install binary