s3 bucket fix

[MahdiPresario001]

Summary

What this PR does and why. Describe what the code does now — not discarded
approaches or prior iterations.

Checklist

• uv tool run --from "ruff==0.15.12" ruff check . passes
• uv tool run --from "ruff==0.15.12" ruff format --check . passes
• uv tool run --from "ty==0.0.37" ty check src passes
• uv run pytest -q passes
• No new warnings from any linter, type checker, or compiler
• Money values use integer nano-dollars (no floats in money math)
• Commit subjects are imperative mood, ≤72 chars, one logical change each

Notes for reviewers

Anything reviewers should focus on, plus context that isn't obvious from the
diff.