fix(install): add curl error check, replace destructive pull fallback with skip

install.zsh

@@ -112,8 +112,9 @@ function at-repos-pull() {
 			git clean -fd 2>/dev/null
 			git stash -u
 			if ! git pull;then
-				rm -rf $d/repos/${repo##*/}
-				at-repos-clone
+				echo "❌ pull failed: ${repo##*/} — skipping (manual fix needed)"
+				cd $d/repos
+				continue
 			fi
 		fi
 		rv=$(echo "$repos_v" | jq -r ".[\"${repo##*/}\"]")
@@ -245,7 +246,11 @@ function patch-apply-with-curl() {
 	local download_url=$4
 	local download_target=$5
 
-	curl -sL "${download_url}" -o "$d/repos/${target}/${download_target}"
+	if ! curl -sfL "${download_url}" -o "$d/repos/${target}/${download_target}"; then
+		echo "❌ Download failed: ${download_url}"
+		FAILED_PATCHES+=("${name} (download failed)")
+		return 1
+	fi
 	apply-patch "${name}" "$d/repos/${target}" "$d/patching/${patch_file}"
 }