feat(mistral): Record gen_ai.output.messages

[alexander-alderman-webb]

Description

Handle various output schemas, as shown in the tests.

Issues

Closes #7527

Reminders

• Please add tests to validate your changes, and lint your code using uv run ruff.
• 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]

Codecov Results 📊

✅ 129634 passed | ⏭️ 7148 skipped | Total: 136782 | Pass Rate: 94.77% | Execution Time: 438m 1s

📊 Comparison with Base Branch

Metric	Change
Total Tests	📈 +256
Passed Tests	📈 +256
Failed Tests	—
Skipped Tests	—

All tests are passing successfully.

❌ Patch coverage is 65.71%. Project has 2550 uncovered lines.
❌ Project coverage is 90.19%. Comparing base (bdfd68c) to head (969c8e0).

Files with missing lines (1)

File	Patch %	Lines
sentry_sdk/integrations/mistral.py	65.71%	⚠️ 12 Missing and 6 partials

Coverage diff

@@            Coverage Diff             @@
##        master       #PR       +/-##
==========================================
- Coverage    90.20%    90.19%    -0.01%
==========================================
  Files          194       194         —
  Lines        25888     25994      +106
  Branches      9584      9660       +76
==========================================
+ Hits         23352     23444       +92
- Misses        2536      2550       +14
- Partials      1455      1451        -4

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[cursor]

Cursor Bugbot has reviewed your changes and found 2 potential issues.

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