v0.4.0

What's Changed

• Polish chat features and local thread titles by @TJLSmith0831 in #68
• fix(spec): plain Spec turns carry the grill skill; Fleet runs open their chat by @TJLSmith0831 in #70
• Fix Spec and Fleet composer mentions, skills, and textarea sizing by @TJLSmith0831 in #71
• Visual Markdown editor by @TJLSmith0831 in #72
• Improve Spec mode chat flow by @TJLSmith0831 in #73
• Fix text selection in feedback modal (titlebar drag hijack) by @TJLSmith0831 in #76
• Spec mode writes to the project root; proposals auto-link and open by @TJLSmith0831 in #77
• Test spec/go sync through the turn path; scope the Build flourish by @TJLSmith0831 in #78
• fix(titling): stop discarding usable local-model thread titles by @TJLSmith0831 in #79
• Render spec artifacts and Markdown as documents, not framed source by @TJLSmith0831 in #80
• Mark spec stages in the chat; move the stepper when Propose is sent by @TJLSmith0831 in #81
• Show permission prompts for unannounced tool calls by @TJLSmith0831 in #82
• Open-source launch prep by @TJLSmith0831 in #83
• Release v0.4.0 by @TJLSmith0831 in #85
• Fix release: pin llama.cpp by full SHA by @TJLSmith0831 in #87
• Fix release: static, TLS-free llama.cpp sidecar by @TJLSmith0831 in #88

Full Changelog: v0.3.0...v0.4.0