External blueprint discovery via package entry points

[dimos-bot]

Summary

Add dynamic discovery for externally packaged DimOS blueprints via Python package entry points.

External packages can expose runnable blueprints with the dimos.blueprints entry point group and users can run them by namespaced name, for example:

dimos run my-robot-stack.go2
dimos run unitree-go2 my-robot-stack.keyboard-teleop

PR

dimensionalOS/dimos#2517

Scope

• Discover external blueprints through installed package metadata.
• Keep bare blueprint names reserved for built-in DimOS blueprints/modules.
• Support external targets that are Blueprint objects or DimOS Module classes.
• Add grouped dimos list output for built-in and external blueprints.
• Cover CLI, Python API, and coordinator resolver paths.
• Update user/contributor docs.

Suggested labels

enhancement, core

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Synced from DIM-1023 by che