feat: add claude-4

[louis-jan]

Describe Your Changes

This is to add Claude-4 to default Anthropic models list.

Fixes Issues

• Closes feat: Update Claude-4 in the default list of Anthropic model #5743

Self Checklist

• Added relevant comments, esp in complex areas
• Updated docs (for bug fixes / features)
• Created issues for follow-up changes or refactoring needed

---

Important

Add Claude-4 to default Anthropic models and reorder model merging in useModelProvider.ts.

• Feature:
  • Add Claude-4 to default Anthropic models list.
• Code Changes:
  • In useModelProvider.ts, reorder merging of models in setProviders() to prioritize provider models over existing models.
• Dependencies:
  • Update token.js version from 0.7.15 to 0.7.16 in package.json.

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[ellipsis-dev]

Important

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1. web-app/package.json:72

• Draft comment:
  PR title suggests adding Claude-4 to the Anthropic models list, but the diff only shows a token.js dependency bump. Ensure that code changes updating the default model list are also included.
• Reason this comment was not posted:
  Comment was on unchanged code.

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[github-actions]

Barecheck - Code coverage report

Total: 35.01%

Your code coverage diff: 0.01% ▴

Uncovered files and lines

File	Lines
web-app/src/hooks/useModelProvider.ts	31-36, 38-48, 50-52, 54-103, 105-116, 126-128, 130, 132-134, 137-140, 142-143, 145, 147-149, 151-164, 166-169, 171-176

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Important

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1. web-app/src/hooks/useModelProvider.ts:63

• Draft comment:
  The ordering in mergedModels was reversed (provider models filtered come before existing stored models). Please add an inline comment explaining this change to ensure updated default models (e.g. Claude-4) are prioritized as intended.
• Reason this comment was not posted:
  Decided after close inspection that this draft comment was likely wrong and/or not actionable: usefulness confidence = 20% vs. threshold = 50% The change does appear intentional and meaningful - it affects which models take precedence when there are conflicts. However, the comment is primarily asking for documentation rather than pointing out a bug or suggesting a concrete improvement. The reasoning about Claude-4 seems speculative since there's no clear evidence in the code about specific model priorities. The comment identifies a real change in behavior, and documentation could be helpful for future maintainers. Not having this documentation could lead to confusion about model precedence. While documentation can be valuable, our rules state we should not make purely informative comments. The code change appears intentional and the behavior is clear from the code itself. We should delete this comment as it's primarily requesting documentation rather than identifying a concrete issue that needs fixing.

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