Capture the assessment of how opencode integrates the AI SDK today and
the phased plan to replace it with @opencode-ai/llm behind a feature flag.
Sections:
- Today's architecture, including the trace of one streamText call and
the existing native path's gate conditions
- Where the spaghetti actually lives (AI SDK type leakage in 11+ files,
scattered provider-specific transforms, the provider/sdk/copilot/* fork,
duplicated MessageV2 conversion)
- Target architecture (one flag, one decision point at layer construction)
- Phased migration: Decouple → Service swap → Native parity → Flag rollout
→ Delete AI SDK
- Suggested execution order, key files, risks and open questions
Kit Langton
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