### What problem does this PR solve?
```
RAGFlow(admin)> show model 'abc';
+------------+----------------------------------------------------------------+
| field | value |
+------------+----------------------------------------------------------------+
| command | get_model_by_model_name |
| error | 'get model by model name' is implemented in enterprise edition |
| model_name | abc |
+------------+----------------------------------------------------------------+
RAGFlow(admin)> list models;
+-----------------+--------------------------------------------------------+
| command | error |
+-----------------+--------------------------------------------------------+
| list_all_models | 'list all models' is implemented in enterprise edition |
+-----------------+--------------------------------------------------------+
```
### Type of change
- [x] Refactoring
Signed-off-by: Jin Hai <haijin.chn@gmail.com>
### What problem does this PR solve?
- list resources
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
- [x] Refactoring
---------
Signed-off-by: Jin Hai <haijin.chn@gmail.com>
### What problem does this PR solve?
Not not only model_name@instance_name@provider_name is acceptable, but
also model_id is acceptable.
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
---------
Signed-off-by: Jin Hai <haijin.chn@gmail.com>
Implements POST /api/v1/searchbots/ask in Go with streaming SSE,
citations, and think-tag processing. 23 files, 90+ unit tests.
---------
Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
