Add remote daemon distribution regressions

tests/test_remote_daemon_release_assets.sh

@@ -0,0 +1,65 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
+OUTPUT_DIR="$(mktemp -d "${TMPDIR:-/tmp}/cmux-remote-assets-test.XXXXXX")"
+trap 'rm -rf "$OUTPUT_DIR"' EXIT
+
+"$ROOT_DIR/scripts/build_remote_daemon_release_assets.sh" \
+  --version "0.62.0-test" \
+  --release-tag "v0.62.0-test" \
+  --repo "manaflow-ai/cmux" \
+  --output-dir "$OUTPUT_DIR" >/dev/null
+
+for asset in \
+  cmuxd-remote-darwin-arm64 \
+  cmuxd-remote-darwin-amd64 \
+  cmuxd-remote-linux-arm64 \
+  cmuxd-remote-linux-amd64 \
+  cmuxd-remote-checksums.txt \
+  cmuxd-remote-manifest.json
+do
+  if [[ ! -f "$OUTPUT_DIR/$asset" ]]; then
+    echo "FAIL: missing asset $asset" >&2
+    exit 1
+  fi
+done
+
+python3 - <<'PY' "$OUTPUT_DIR/cmuxd-remote-manifest.json" "$OUTPUT_DIR/cmuxd-remote-checksums.txt"
+import json
+import sys
+from pathlib import Path
+
+manifest_path = Path(sys.argv[1])
+checksums_path = Path(sys.argv[2])
+manifest = json.loads(manifest_path.read_text(encoding="utf-8"))
+
+expected_targets = {
+    ("darwin", "arm64"),
+    ("darwin", "amd64"),
+    ("linux", "arm64"),
+    ("linux", "amd64"),
+}
+actual_targets = {(entry["goOS"], entry["goArch"]) for entry in manifest["entries"]}
+if actual_targets != expected_targets:
+    raise SystemExit(f"FAIL: manifest targets {sorted(actual_targets)} != {sorted(expected_targets)}")
+
+if manifest["appVersion"] != "0.62.0-test":
+    raise SystemExit(f"FAIL: unexpected appVersion {manifest['appVersion']}")
+if manifest["releaseTag"] != "v0.62.0-test":
+    raise SystemExit(f"FAIL: unexpected releaseTag {manifest['releaseTag']}")
+if not manifest["checksumsURL"].endswith("/cmuxd-remote-checksums.txt"):
+    raise SystemExit(f"FAIL: unexpected checksumsURL {manifest['checksumsURL']}")
+
+checksum_lines = [line for line in checksums_path.read_text(encoding="utf-8").splitlines() if line.strip()]
+if len(checksum_lines) != 4:
+    raise SystemExit(f"FAIL: expected 4 checksum lines, got {len(checksum_lines)}")
+
+for entry in manifest["entries"]:
+    if not entry["downloadURL"].endswith("/" + entry["assetName"]):
+        raise SystemExit(f"FAIL: downloadURL mismatch for {entry['assetName']}")
+    if len(entry["sha256"]) != 64:
+        raise SystemExit(f"FAIL: invalid sha256 for {entry['assetName']}")
+
+print("PASS: remote daemon release assets include all targets and manifest entries")
+PY