Termux v1.18.4

[unemployabot]

Termux release train

• Upstream release: https://github.com/anomalyco/opencode/releases/tag/v1.18.4
• Upstream tag: v1.18.4
• Termux release tag: v1.18.4-termux
• Release branch: release-1.18.4
• Patch source: termux-target

This PR carries the Termux patch branch onto the upstream release tag. If GitHub reports conflicts, resolve them by keeping upstream release code and preserving the Termux compatibility fixes.

After this PR merges, the Termux deploy workflow builds opencode-android-arm64 under a GitHub Deployment, mirrors the release asset to v1.18.4-termux, and opens a checkpoint PR back to termux-target.

Upstream notes

Core

Improvements

• Use adaptive thinking controls for Kimi models on Anthropic-compatible providers, with summarized reasoning output by default. (@chouqin)

Bugfixes

• Reduce OpenAI provider header timeouts during slow connection setup.
• Respect provider-defined reasoning options instead of falling back to the wrong reasoning controls.
• Restore Azure Cognitive Services endpoint support for Azure-hosted models.

Desktop

Improvements

• Sync the embedded terminal theme with the app theme.
• Improve the review panel so open file tabs can stay aligned with the current diff view.
• Rewrite the v2 prompt input for more reliable command, context, shell, attachment, and history interactions.
• Improve review panel resizing and sticky controls.

Bugfixes

• Preserve command drafts in the command menu.
• Avoid session view failures when message parent links are missing.
• Prevent sending empty prompt text parts.
• Restore model variant selection accessibility.
• Show keybind tooltips on prompt input controls. (@ProdigyRahul)
• Deduplicate repeated file entries in diff summaries.
• Prevent recovery window handling from touching destroyed windows.

Thank you to 3 community contributors:

• @jerome-benoit:
  • fix(nix): relax Bun version check for desktop build (fix(nix): relax Bun version check for desktop build anomalyco/opencode#36767)
  • fix(nix): restore desktop integration (fix(nix): restore desktop integration anomalyco/opencode#37197)
• @ProdigyRahul:
  • fix(app): show keybind tooltips on prompt input controls (fix(app): show keybind tooltips on prompt input controls anomalyco/opencode#37824)
• @chouqin:
  • feat(opencode): use adaptive thinking effort for kimi family on anthr… (feat(opencode): use adaptive thinking effort for kimi family on anthr… anomalyco/opencode#37696)