chore: bump pyproject version to 0.7.1 (dev only)

[DevStrikerTech]

Summary

Metadata only: set project.version in pyproject.toml from 0.7.0 to 0.7.1.

This PR targets dev only. Merging it does not publish to PyPI, create a git tag, or create a GitHub Release. Those steps happen after dev is promoted to prod and someone pushes tag v0.7.1 (see RELEASE.md and Publish to PyPI).

Type

• feat — new capability
• fix — bug fix
• refactor / perf — behavior-preserving change
• test — tests only
• docs / chore — docs or tooling

Links

• Tracking:
• Related PRs / context: Patch after 0.7.0; follow with dev → prod promotion before tagging.

Branch policy

• Base branch is dev (never prod except release mechanics agreed separately).
• Source branch follows repo conventions (this branch was named for a version bump; prefer chore/bump-<semver> for similar changes—see CONTRIBUTING.md).

Checklist

• Follows CONTRIBUTING.md (branch flow, quality gates, commit message format).
• Links to related issues or Project items where applicable.
• Tests added or updated for behavior changes (not applicable—version string only).
• Docs updated when user-visible behavior or public API changes (not applicable).
• ruff check src tests and ruff format --check src tests pass locally.
• mypy src/oris tests passes locally.
• pytest passes with coverage ≥ 84%.
• No secrets, tokens, or credentials in the diff.

How to verify

ruff check src tests && ruff format --check src tests
mypy src/oris tests
pytest
grep '^version' pyproject.toml   # expect 0.7.1

Risk / rollout

Low risk: single-field version bump. Release (tag + PyPI) is a separate step after prod contains this change.