feat(ollama): add explicit Ollama mode config, cloud endpoint storage, and scope‑availability caching with status annotations.

docs/migration-guide.md

@@ -158,6 +158,16 @@ After updating your config:
 - Remove the `-cloud` suffix from model names when using cloud provider
 - Ensure `api_key` is set in `[providers.ollama-cloud]` config
 
+### 0.1.9 – Explicit Ollama Modes & Cloud Endpoint Storage
+
+Owlen 0.1.9 introduces targeted quality-of-life fixes for users who switch between local Ollama models and Ollama Cloud:
+
+- `providers.<name>.extra.ollama_mode` now accepts `"auto"`, `"local"`, or `"cloud"`. Migrations default existing entries to `auto`, while preserving any explicit local base URLs you set previously.
+- `owlen cloud setup` writes the hosted endpoint to `providers.<name>.extra.cloud_endpoint` rather than overwriting `base_url`, so local catalogues keep working after you import an API key. Pass `--force-cloud-base-url` if you truly want the provider to point at the hosted service.
+- The model picker surfaces `Local unavailable` / `Cloud unavailable` badges when a source probe fails, highlighting what to fix instead of presenting an empty list.
+
+Run `owlen config doctor` after upgrading to ensure these migration tweaks are applied automatically.
+
 ### Rollback to v0.x
 
 If you encounter issues and need to rollback: