Sækja OpenCode 1.3.1

Features
- Added Poe as a built-in authentication provider with OAuth and API key support (#18477)
- Enabled token caching for custom Amazon Bedrock providers (#18959)
- Added syntax highlighting support for Kotlin, HCL, Lua, and TOML files (#18198)
- Added manual lock/unlock for theme mode (#18905)

Fixes
- Fixed session timeline jumping when scrolling (#18993)
- Fixed GitLab Duo Workflow models showing incorrect identity (#18928)
- Fixed theme mode switching between dark and light modes (#18851)
- Fixed console account URL handling for better navigation (#18809)
- Fixed session busy state handling for better responsiveness (#18758)
- Fixed stale session hover preview (#18727)
- Fixed project hover state (#18732)
- Fixed prompt history navigation (#18775)
- Fixed filtering of non-renderable part types (#18926)
- Fixed ProviderIcon optional chaining issue (#18927)
- Fixed process cleanup when closing terminal tabs (#16057)
- Fixed batching of multi-file prompt attachments via picker, paste, and drag-drop (#18722)
- Fixed patch tool counts visibility when displaying files with long names (#18678)
- Fixed project avatar popover flicker when switching projects via sidebar (#18660)

Improvements
- Improved startup efficiency (#18985)
- Updated Feishu community links for Chinese (zh) locales (#18975)
- Improved file tree panel to maintain its minimum width when resized (#18777)
- Improved desktop app stability with more robust sidecar process cleanup (#18742)
- Changed command palette shortcut to Cmd+K (with Cmd+P still working as fallback) (#18731)
- Restored keyboard project switching in open sidebar with proper Enter key activation (#18682)