enhance(client): question answering infer type support multiple args

[jialeicui]

Description

Modules

• [ ] UI
• [ ] Controller
• [ ] Agent
• [x] Client
• [ ] Python-SDK
• [ ] Others

Checklist

• [ ] run code format and lint check
• [x] add unit test
• [ ] add necessary doc

[codecov[bot]]

Codecov Report

Attention: 21 lines in your changes are missing coverage. Please review.

Comparison is base (4d2db61) 82.51% compared to head (4d22c06) 91.95%. Report is 12 commits behind head on main.

Files	Patch %	Lines
client/starwhale/api/_impl/service/types/types.py	64.10%	14 Missing :warning:
client/starwhale/api/_impl/service/types/llm.py	85.29%	5 Missing :warning:
client/starwhale/api/_impl/service/service.py	88.23%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2997 +/- ## ============================================ + Coverage 82.51% 91.95% +9.44% ============================================ Files 563 126 -437 Lines 30353 15033 -15320 Branches 1826 0 -1826 ============================================ - Hits 25045 13824 -11221 + Misses 4503 1209 -3294 + Partials 805 0 -805 ``` | [Flag](https://app.codecov.io/gh/star-whale/starwhale/pull/2997/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=star-whale) | Coverage Δ | | |---|---|---| | [console](https://app.codecov.io/gh/star-whale/starwhale/pull/2997/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=star-whale) | `?` | | | [controller](https://app.codecov.io/gh/star-whale/starwhale/pull/2997/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=star-whale) | `?` | | | [standalone](https://app.codecov.io/gh/star-whale/starwhale/pull/2997/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=star-whale) | `91.95% <77.17%> (-0.09%)` | :arrow_down: | | [unittests](https://app.codecov.io/gh/star-whale/starwhale/pull/2997/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=star-whale) | `91.95% <77.17%> (+0.19%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=star-whale#carryforward-flags-in-the-pull-request-comment) to find out more.

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[tianweidut]

Others LGTM