v1.0.1

What's Changed

chore: update branching strategy and CI

• CONVENTIONS.md: new release-branch model (fix branches merge into release/X.Y.x, then release merges into main)
• CI now triggers on release branches
• Added version bump advisory and GitHub Releases policy

fix: normalize warning_pct precision

• Added Pydantic field_validator with ROUND_HALF_UP on LimitCreate and LimitUpdate
• Prevents silent data corruption when editing limits (e.g., 0.3333 normalizes to 0.33)

fix: continuous average trend line

• Use null + connectNulls so the Recharts average line draws through gaps instead of breaking
• Guard tooltip against null values (no misleading dollar-zero display)
• Backend test documenting average_series empty-period behavior