chore(main): release 0.5.0

[github-actions]

🤖 I have created a release beep boop

0.5.0 (2026-02-27)

⚠ BREAKING CHANGES

• provider: replace providers with simpler, more maintainable server option

Features

• server: allow all servers (but prioritize sharing CWD still) (6d00f30)

Bug Fixes

• ask: preserve formatting in completion docs (9048f10)
• client: prevent hanging when opencode is suspended (#183) (c1afcf5)
• context: always pick the longer of overlapping placeholders (e4f7555)
• context: diagnostics context error (a4dff90)
• context: remove filename space suffix when no location, use :, join list contexts with , (8992d0c)
• server: cache connected server even when events are disabled (6b3eed0)
• server: don't needlessly reconnect to server (1b90ae8)
• server: more reliably detect server disappearing (67a09c8)

Code Refactoring

• provider: replace providers with simpler, more maintainable server option (82332cf)

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