0.4.1

What's changed

Features

• Add transient dispatch menu (johnson-menu, bound to ?) with quick access to all commands and option toggles (018a7cf)
• Add johnson-ref-scope option to restrict cross-reference lookups to the same dictionary (9ea8b41)
• Populate minibuffer history from persisted history log on first lookup (2aac246)
• Respect search scope in all query functions and auto-refresh results on group change (a05ba27)
• Bind johnson-select-group to G in johnson-mode (b10a035)

Fixes

• Fix MDict rendering errors for dictionaries with shared record offsets (92ccc12)
• Fix correctness, security, and robustness issues across all modules (17e8e89)
• Fix audit findings in html, dictzip, and stardict modules (90cc625)

Other

• Add README.md with screenshot as lightweight GitHub-facing readme (4ec60da, bca9963)
• Document all johnson-menu keybindings and options in the manual (ffde5b8)
• Add copyright lines, GPL-3 boilerplate, and license file (1ed60be)