chore(main): release 1.4.8 (#149)

:robot: I have created a release *beep* *boop*
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##
[1.4.8](https://github.com/griffinmartin/opencode-claude-auth/compare/v1.4.7...v1.4.8)
(2026-04-08)


### Bug Fixes

* relocate system prompt to user message to avoid OAuth 400 rejection
([#148](https://github.com/griffinmartin/opencode-claude-auth/issues/148))
([bb6320c](https://github.com/griffinmartin/opencode-claude-auth/commit/bb6320cbe9c985a89258bf2ca1e027f2be7cd923))

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