chore: bump version to 0.1.7

[0xKT]

Summary

Bump version from 0.1.6 to 0.1.7 for the next release. Touches pyproject.toml and uv.lock only.

Release-scope changes since v0.1.6:

• feat(agent): offer deep-vs-regular choice for deep_research (feat(agent): offer deep-vs-regular choice for deep_research #168)
• feat(routing): add opt-in knn task-level model routing backend (feat(routing): add opt-in knn task-level model routing backend #163)
• fix(tracing): show model-call reasoning above the answer, not below (fix(tracing): show model-call reasoning above the answer, not below #154)
• fix(tui): announce log path only on abnormal tui exit (fix(tui): announce log path only on abnormal tui exit #166)
• docs: update readme / chinese readme for recent features (docs: update readme for recent features #159, docs: update chinese readme for recent features #160)

Type

• Fix
• Feature
• Docs
• CI / tooling
• Refactor
• Other

Verification

• Relevant lint / type checks pass locally

uv lock                                                  # resolved, raven 0.1.6 -> 0.1.7
uv run python scripts/check_commit_messages.py origin/main..HEAD   # exit 0

Risk

• Backward compatibility considered
• Rollback path is clear for risky changes

Version-only bump; no code changes.

Related Issues

N/A