feat(models): add minimax and moonshot providers

docs/plans/2026-02-16-minimax-moonshot-provider-checklist.md

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+# MiniMax + Moonshot Provider Checklist
+
+Date: 2026-02-16
+Status: completed
+
+## Scope
+
+- Add first-class `minimax` and `moonshot` model providers.
+- Wire providers through OpenAI-compatible client path with provider-specific API key env vars.
+- Update setup and doctor surfaces.
+- Add tests and docs.
+
+## Completed
+
+- Added provider ids to config schema (`minimax`, `moonshot`).
+- Added model factory wiring in `src/daemon/models.ts`:
+  - `minimax` -> `MINIMAX_API_KEY`, default endpoint `https://api.minimax.io/v1`
+  - `moonshot` -> `MOONSHOT_API_KEY`, default endpoint `https://api.moonshot.cn/v1`
+- Updated doctor provider checks for both env vars.
+- Updated setup wizard provider list/help text for both providers.
+- Added tests:
+  - `src/config/schema.test.ts`
+  - `src/daemon/clientFactory.test.ts`
+  - `src/cli/setup/providers.test.ts`
+  - `src/cli/doctor.test.ts`
+- Updated README provider docs and runtime `/model` provider list.
+
+## Verification
+
+- `pnpm test:run src/config/schema.test.ts`
+- `pnpm test:run src/daemon/clientFactory.test.ts`
+- `pnpm test:run src/cli/setup/providers.test.ts src/cli/doctor.test.ts`
+- `pnpm typecheck`