chore: bump version to 1.6.0

- pyproject.toml: update version from 1.5.0 to 1.6.0

- uv.lock: sync lockfile with new version

release: bump version to 1.5.0

- pyproject.toml: set project version to 1.5.0
- uv.lock: sync lockfile for 1.5.0 build

Merge pull request #454 from VRSEN/fix/visualization-templates

fix: package visualization templates

Merge pull request #452 from VRSEN/adjustments/ipython-tool-dir-input

fix: add working directory as a separate input to IPython tool

Merge pull request #431 from VRSEN/fix/file-search-hosted-results

refactor: simplify citation extraction

Merge pull request #425 from VRSEN/chore/bump-version-1.3.0

release: bump version to 1.3.0

Prepare the release 1.2.1 (#407)

* Update pyproject.toml
* Update uv.lock

Merge pull request #401 from VRSEN/fix/mcp-shutdown-handling

fix: harden mcp shutdown handling

Merge pull request #392 from VRSEN/feature/cli-tsx-runner-support

fix: add tsx runner support and resolve build failures

Merge pull request #360 from VRSEN/adjustments/terminal-demo-handoff-…

…handling

Improved handoff handling and name parsing logic