The v4.26.4 fix inadvertently broke CLI export compatibility. The frontend
attempted JSON.parse on all backup files and returned early with "Invalid
JSON file format" when parsing failed. This prevented the format detection
code from ever executing, breaking CLI-generated exports which are raw
base64 strings without a JSON wrapper.
Root cause:
- CLI exports (`pulse config export`) output raw base64 via
internal/config/export.go:128
- The fix at Settings.tsx:2030-2034 called showError() and returned
immediately on parse failure
- Format detection logic at lines 2040-2049 never executed for CLI exports
This changes the parsing flow to:
1. Try JSON.parse first (handles UI exports with {status, data} format)
2. On parse success, extract data field as before
3. On parse failure, treat entire file contents as raw base64 (CLI format)
This preserves the v4.26.4 improvements (12-char validation, better error
messages) while restoring CLI export compatibility.
Related to #646 where user confirmed v4.26.4 still failed to restore backups.
d70fa88d26