Add press atomic action

[skywhite1024]

Description

This PR adds the Press atomic action to the atomic action system.

It includes:

• PressAction and PressActionCfg registration/export support
• a Press tutorial script under scripts/tutorials/atomic_action/press.py
• unit coverage for Press action construction and execution flow
• documentation updates for the built-in atomic actions page
• a Press demo gif for the docs

Dependencies: None.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• Enhancement (non-breaking change which improves an existing functionality)
• New feature (non-breaking change which adds functionality)
• Breaking change (existing functionality will not work without user modification)
• Documentation update

Screenshots

Press demo gif is added at:

docs/source/_static/atomic_actions/press.gif

Validation

• black --check --diff --color embodichain/lab/sim/atomic_actions/actions.py embodichain/lab/sim/atomic_actions/__init__.py scripts/tutorials/atomic_action/press.py tests/sim/atomic_actions/test_actions.py
• python -m pytest tests/sim/atomic_actions/test_actions.py
• python -m pytest tests/sim/planners/test_motion_generator.py
• python -m pytest tests/sim/atomic_actions/test_actions.py tests/sim/planners/test_motion_generator.py

Checklist

• I have run formatting checks.
• I have made corresponding changes to the documentation.
• I have added tests that prove the feature works.
• Dependencies have been updated, if applicable.

[Copilot]

Pull request overview

This pull request adds a new Press atomic action to EmbodiChain’s atomic action system, including the action/config implementation, exports, a tutorial demo script, tests, and documentation updates so the primitive is discoverable and usable end-to-end.

Changes:

• Implemented and exported Press / PressCfg as a new built-in atomic action.
• Added a press.py tutorial script demonstrating planning and replaying a press interaction.
• Extended unit tests and updated Sphinx docs pages to include Press in the built-in action set.

Reviewed changes

Copilot reviewed 8 out of 9 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
embodichain/lab/sim/atomic_actions/actions.py	Adds PressCfg and the Press action implementation and exports.
embodichain/lab/sim/atomic_actions/__init__.py	Re-exports Press / PressCfg from the package top-level.
scripts/tutorials/atomic_action/press.py	New tutorial/demo script exercising Press via AtomicActionEngine.
tests/sim/atomic_actions/test_actions.py	Adds unit coverage for Press construction and execution behavior.
docs/source/tutorial/atomic_actions.rst	Updates tutorial index to include the new press.py demo.
docs/source/overview/sim/atomic_actions/index.md	Updates overview docs to list Press as accepting EndEffectorPoseTarget and shows example registration.
docs/source/overview/sim/atomic_actions/builtin_actions.md	Adds Press to the built-in actions table and documents its phases/config/target.
docs/source/api_reference/embodichain/embodichain.lab.sim.atomic_actions.rst	Adds API reference entries for Press and PressCfg.

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