feat(config): expose full pi-ai model compat fields in config schema (openclaw#11063) thanks @ikari-pl

Verified:
- pnpm build
- pnpm check
- pnpm test (full run; transient lobster timeout rerun passed)

Co-authored-by: ikari-pl <811702+ikari-pl@users.noreply.github.com>
Co-authored-by: Tak Hoffman <781889+Takhoffman@users.noreply.github.com>

CHANGELOG.md

@@ -145,6 +145,7 @@ Docs: https://docs.openclaw.ai
 - Onboarding/Providers: update MiniMax API default/recommended models from M2.1 to M2.5, add M2.5/M2.5-Lightning model entries, and include `minimax-m2.5` in modern model filtering. (#14865) Thanks @adao-max.
 - Ollama: use configured `models.providers.ollama.baseUrl` for model discovery and normalize `/v1` endpoints to the native Ollama API root. (#14131) Thanks @shtse8.
 - Voice Call: pass Twilio stream auth token via `<Parameter>` instead of query string. (#14029) Thanks @mcwigglesmcgee.
+- Config/Models: allow full `models.providers.*.models[*].compat` keys used by `openai-completions` (`thinkingFormat`, `supportsStrictMode`, and streaming/tool-result compatibility flags) so valid provider overrides no longer fail strict config validation. (#11063) Thanks @ikari-pl.
 - Feishu: pass `Buffer` directly to the Feishu SDK upload APIs instead of `Readable.from(...)` to avoid form-data upload failures. (#10345) Thanks @youngerstyle.
 - Feishu: trigger mention-gated group handling only when the bot itself is mentioned (not just any mention). (#11088) Thanks @openperf.
 - Feishu: probe status uses the resolved account context for multi-account credential checks. (#11233) Thanks @onevcat.