feat(provider): add AiOnly provider preset

[kongzi10]

Description

This pull request adds support for the AiOnly provider preset.

The purpose of this change is to make AiOnly provider configuration easier for users by adding a built-in provider preset, reducing the need for manual configuration.

Changes

• Added AiOnly provider preset configuration
• Updated provider preset definitions
• Added related provider settings and default parameters
• Improved provider selection compatibility
• Updated corresponding configuration files

Additional Notes

This change only adds a new provider preset and does not modify existing provider behavior.

Screenshots

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Contributor Agreement

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• I agree to contribute all code submitted in this PR to the open-source community edition licensed under GPLv3 and the proprietary official edition without compensation.
• I grant the official edition development team the rights to freely use, modify, and distribute this code, including for commercial purposes.
• I confirm that this code is my original work, or I have obtained the appropriate authorization from the copyright holder to submit this code under these terms.
• I understand that the submitted code will be publicly released under the GPLv3 license, and may also be used in the proprietary official edition.

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Summary by CodeRabbit

• New Features
  • Added AiOnly as a selectable AI provider.
  • Added support for AiOnly models, including model names, capabilities, and context limits.
  • Added configuration for connecting to the AiOnly API with streaming and generation controls.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: be0cfdd4-d3d1-44bd-97f2-2f593c9db619

📥 Commits

Reviewing files that changed from the base of the PR and between 8639c94 and 435b450.

⛔ Files ignored due to path filters (1)

• src/renderer/static/icons/providers/aionly.png is excluded by !**/*.png

📒 Files selected for processing (5)

• src/shared/models/index.ts
• src/shared/providers/definitions/aionly.ts
• src/shared/providers/definitions/models/aionly.ts
• src/shared/providers/index.ts
• src/shared/types/provider.ts

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Walkthrough

Adds AiOnly as a selectable provider, defines its models and metadata, connects model creation to the AiOnly API, and registers it in the provider registry.

Changes

AiOnly provider integration

Layer / File(s)	Summary
Provider identifier and client adapter src/shared/types/provider.ts, src/shared/providers/definitions/models/aionly.ts	Adds ModelProviderEnum.Aionly and an Aionly client extending OpenAICompatible with the AiOnly API host.
Provider catalog and model factory src/shared/providers/definitions/aionly.ts	Defines AiOnly metadata, available models, capabilities, model construction, and display-name formatting.
Registry and model menu exposure src/shared/providers/index.ts, src/shared/models/index.ts	Registers the provider and adds an enabled “AiOnly API” model-provider menu option.

Estimated code review effort: 2 (Simple) | ~10 minutes

Sequence Diagram(s)

sequenceDiagram
  participant ModelMenu
  participant aionlyProvider
  participant Aionly
  ModelMenu->>aionlyProvider: select AiOnly model
  aionlyProvider->>Aionly: createModel with API and generation settings
  Aionly-->>aionlyProvider: return configured provider client

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Suggested reviewers: themez

Poem

A rabbit taps a brand-new key,
AiOnly models hop in free.
The menu blooms, the clients race,
Through streaming clouds to API space.
“Carrots and code!” we cheer with glee.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely matches the main change: adding the AiOnly provider preset.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[kongzi10]

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