Automation 07df7c8e43 fix(opencode-zen): add 'opencode' provider alias and sync model list with live API ...

OpenCode's Zen provider changed its slug from 'opencode-zen' to 'opencode',
breaking OmniRoute's provider resolution when users reference models with the
new prefix (e.g. 'opencode/deepseek-v4-flash-free').

Changes:

1. open-sse/services/model.ts: Add manual ALIAS_TO_PROVIDER_ID entry
   mapping 'opencode' → 'opencode-zen' so parseModel() resolves
   correctly for model strings using the new slug.

2. open-sse/executors/index.ts: Register 'opencode' as an OpencodeExecutor
   alias for 'opencode-zen' so getExecutor() returns the correct executor.

3. open-sse/config/providerRegistry.ts: Update opencode-zen model list to
   match the live API at https://opencode.ai/zen/v1/models:
   - Add deepseek-v4-flash-free (the model users reported as broken)
   - Add all 30+ models from the API (Claude, GPT, Gemini, Grok, GLM,
     MiniMax, Kimi, Qwen series)
   - Apply targetFormat: 'claude' to qwen3.5-plus (same SSE bug as qwen3.6)
   - Remove ling-2.6-1t-free and trinity-large-preview-free (no longer in API)
   - Enable passthroughModels so new models work without code deploys

4. @omniroute/opencode-provider/src/index.ts: Remove broken reference to
   undefined OMNIROUTE_DEFAULT_MODEL_CONTEXT_LENGTHS constant.

5. tests/unit/opencode-executor.test.ts: Add tests for opencode alias,
   deepseek-v4-flash-free routing, and model registry presence.

2026-05-21 20:03:45 +02:00

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