ref(litellm): Revert input truncation

[alexander-alderman-webb]

Description

Revert #4973

Issues

Reminders

• Please add tests to validate your changes, and lint your code using tox -e linters.
• Add GH Issue ID & Linear ID (if applicable)
• PR title should use conventional commit style (feat:, fix:, ref:, meta:)
• For external contributors: CONTRIBUTING.md, Sentry SDK development docs, Discord community

[github-actions]

Semver Impact of This PR

🟢 Patch (bug fixes)

📋 Changelog Preview

This is how your changes will appear in the changelog.
Entries from this PR are highlighted with a left border (blockquote style).

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New Features ✨

• (ci) Cancel in-progress PR workflows on new commit push by joshuarli in #5994
• Send GenAI spans as V2 envelope items by alexander-alderman-webb in #6079

Bug Fixes 🐛

• (google_genai) Redact binary data in inline_data and fix multi-part message extraction by ericapisani in #5977
• (profiler) Stop nulling buffer on teardown by ericapisani in #6075

Internal Changes 🔧

Google Genai

• Revert input truncation by alexander-alderman-webb in #6111
• Revert input transformation by alexander-alderman-webb in #6105

Litellm

• Revert input truncation by alexander-alderman-webb in #6112

• Revert input transformation by alexander-alderman-webb in #6107

Pydantic Ai

• Revert input truncation by alexander-alderman-webb in #6106
• Remove dead Model.request patch by alexander-alderman-webb in #5956

Other

• (ai) Revert binary blob truncation by alexander-alderman-webb in #6110
• (anthropic) Revert input transformation by alexander-alderman-webb in #6108
• (langchain) Revert input transformation by alexander-alderman-webb in #6109
• Set explicit base-branch for codecov action by ericapisani in #5992

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_{🤖 This preview updates automatically when you update the PR.}

[github-actions]

Codecov Results 📊

✅ 7 passed | Total: 7 | Pass Rate: 100% | Execution Time: 1.16s

📊 Comparison with Base Branch

Metric	Change
Total Tests	—
Passed Tests	—
Failed Tests	—
Skipped Tests	—

✨ No test changes detected

All tests are passing successfully.

❌ Patch coverage is 0.00%. Project has 15681 uncovered lines.
✅ Project coverage is 27.07%. Comparing base (base) to head (head).

Files with missing lines (1)

File	Patch %	Lines
litellm.py	0.00%	⚠️ 125 Missing

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
==========================================
+ Coverage    25.08%    27.07%    +1.99%
==========================================
  Files          190       190         —
  Lines        21767     21502      -265
  Branches      7294      7134      -160
==========================================
+ Hits          5459      5821      +362
- Misses       16308     15681      -627
- Partials       468       549       +81

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Generated by Codecov Action