feat(workers-ai): promote CF Workers AI to primary executor with full env-var config#74
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… env-var config (closes #72) - Add executor-router.contract.ts: Zod v4 contract with ExecutorTier, fallback DAG validation, single-default invariant, and placeholder isolation guards (OTDD semantic contract) - Add executor-router-semantic.test.ts: 19 tests across S1–S10 covering schema parse, acyclic DAG, cost-downgrade invariant, anthropic resilience, free-tier terminal, and env-override behavior - Extend ExecutorRoute with tier/isDefault/placeholder/fallback fields; mark workers_ai as isDefault:true with env-driven model override (OTDD refactor) - Wire WORKERS_AI_MODEL env var end-to-end: Env interface → buildEdgeEnv → EdgeEnv.workersAiModel → executeWorkersAi and executor-router model resolver - Add WORKERS_AI_MODEL to wrangler.toml.example [vars] section with default model documented Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…align || vs ??, fix I5/I6 ordering, add buildEdgeEnv integration tests Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Closes #72
Summary
WORKERS_AI_MODELenv var end-to-end:Envinterface →buildEdgeEnv→EdgeEnv.workersAiModel→executeWorkersAimodel resolverWORKERS_AI_MODELtowrangler.toml.example[vars]section with the default model (@cf/meta/llama-3.3-70b-instruct-fp8-fast) documentedexecutor-router.contract.ts(Zod v4 contract with 6 semantic invariants) andexecutor-router-semantic.test.ts(19 tests covering DAG, tier ordering, env-override)executor-router.ts:workers_airoute gainstier: 'free',isDefault: true, and env-driven model resolutiondispatch.ts:EdgeEnv.workersAiModel?: stringaddedTest plan
pnpm testinweb/— 1562 passed, 1 skipped (verified locally)WORKERS_AI_MODELset to a different model overrides the default at runtime🤖 Generated with Claude Code