feat(mistral): Record gen_ai.system_instructions

[alexander-alderman-webb]

Description

Handle various input schemas, as shown in the tests.

Issues

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 📊

✅ 129378 passed | ⏭️ 7148 skipped | Total: 136526 | Pass Rate: 94.76% | Execution Time: 442m 11s

📊 Comparison with Base Branch

Metric	Change
Total Tests	📈 +1024
Passed Tests	📈 +1024
Failed Tests	—
Skipped Tests	—

All tests are passing successfully.

✅ Patch coverage is 95.56%. Project has 2538 uncovered lines.
✅ Project coverage is 90.21%. Comparing base (dbddd0e) to head (ec44c14).

Files with missing lines (1)

File	Patch %	Lines
sentry_sdk/integrations/mistral.py	95.56%	⚠️ 2 Missing and 4 partials

Coverage diff

@@            Coverage Diff             @@
##        master       #PR       +/-##
==========================================
+ Coverage    90.20%    90.21%    +0.01%
==========================================
  Files          194       194         —
  Lines        25888     25931       +43
  Branches      9584      9616       +32
==========================================
+ Hits         23352     23393       +41
- Misses        2536      2538        +2
- Partials      1455      1447        -8

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[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

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^{Reviewed by Cursor Bugbot for commit 15e7eee. Configure here.}