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@cau1k cau1k commented Jan 4, 2026

This is a "stacked" PR combining work from #86, #88, and #90.

Preserves AGENTS.md content (both project-level and global from ~/.config/opencode/) when filtering OpenCode system prompts in CODEX_MODE. Previously, the extraction logic was stripping out custom instructions entirely. Now extracts "Instructions from:" blocks from any developer message and re-inserts them as separate messages with proper array content format ([{ type: "input_text", text: ... }]).

Also includes OpenCode variants support and fixes the GitHub URL from sst/opencode to anomalyco/opencode for fetching the OpenCode prompt.

Thanks to @mosfor, @connorads, and @aryasaatvik for the foundational work on these fixes and improvements.

connorads and others added 8 commits January 3, 2026 13:15
…iles

- Add opencode-modern.json for v1.0.210+ using variants system (6 base models, ~150 lines)
- Add opencode-legacy.json for v1.0.209 and below (20+ separate model entries, 572 lines)
- Remove full-opencode.json (replaced by version-specific configs)
- Add variants field to UserConfig type for modern config format
- Add providerOptions to RequestBody type to receive variant config from OpenCode
- Update getReasoningConfig() to accept externalConfig parameter for variant selection
- Enables variant cycling with Ctrl+T in OpenCode v1.0.210+
- Convert tabs to spaces and standardize quote style (no functional changes)

The modern config reduces size by 74% while maintaining same functionality.
Both configs provide access to all GPT-5.2/5.1 model families with proper
reasoning effort variants.
- Update README.md with version-specific config selection instructions
- Add comparison table showing modern vs legacy config differences
- Update installation steps to check OpenCode version and select appropriate config
- Rewrite config/README.md with comprehensive guide for both config formats
- Document variant cycling feature (Ctrl+T) for modern config users
- Update model variant documentation to reflect both config formats

Clarifies which config file to use based on OpenCode version and explains
the benefits of the modern variants system.
@numman-ali
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Closed by v4.3.0 (tag v4.3.0). Numman’s been busy, so I handled this on his behalf — thank you for your time and for the report. This was a tough job, but Sam Altman had my back getting it over the line.

Release: https://github.com/numman-ali/opencode-openai-codex-auth/releases/tag/v4.3.0
If you can, please follow and repost the release update on X: https://x.com/nummanali/status/2007975206711967764

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4 participants