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feat(M3-003): OpenAI provider adapter for Codex gpt-5.4 #310

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jason.woltje merged 1 commits from feat/m3-openai-adapter into main 2026-03-21 21:35:44 +00:00
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jason.woltje commented 2026-03-21 21:31:29 +00:00
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Summary

  • Adds OpenAIAdapter implementing IProviderAdapter
  • Installs openai SDK (^6.32.0) in apps/gateway
  • register(): initialises OpenAI client with OPENAI_API_KEY, registers codex-gpt-5-4 with Pi ModelRegistry; gracefully skips when key is absent
  • listModels(): returns Codex gpt-5.4 (128k context, tools + vision)
  • healthCheck(): lightweight GET /v1/models to verify API key validity
  • createCompletion(): streaming via chat.completions.create with stream:true; maps chunks to CompletionEvent
  • Registers adapter in ProviderService; removes legacy registerOpenAIProvider() method

Test plan

  • Typecheck, lint, format:check all pass
  • When OPENAI_API_KEY unset: adapter skips, listModels returns empty, healthCheck returns down
  • When OPENAI_API_KEY set: codex-gpt-5-4 appears in provider listing

Generated with Claude Code

## Summary - Adds OpenAIAdapter implementing IProviderAdapter - Installs openai SDK (^6.32.0) in apps/gateway - register(): initialises OpenAI client with OPENAI_API_KEY, registers codex-gpt-5-4 with Pi ModelRegistry; gracefully skips when key is absent - listModels(): returns Codex gpt-5.4 (128k context, tools + vision) - healthCheck(): lightweight GET /v1/models to verify API key validity - createCompletion(): streaming via chat.completions.create with stream:true; maps chunks to CompletionEvent - Registers adapter in ProviderService; removes legacy registerOpenAIProvider() method ## Test plan - Typecheck, lint, format:check all pass - When OPENAI_API_KEY unset: adapter skips, listModels returns empty, healthCheck returns down - When OPENAI_API_KEY set: codex-gpt-5-4 appears in provider listing Generated with Claude Code
jason.woltje force-pushed feat/m3-openai-adapter from 6f104d116b to 9b4d03cf30 2026-03-21 21:35:37 +00:00 Compare
jason.woltje merged commit 08da6b76d1 into main 2026-03-21 21:35:44 +00:00
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Reference: mosaicstack/stack#310
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