Establish Soul Frame research repository and workplans

Scaffold the research layout from the research program, add INTENT/SCOPE,
research instruments, concept stubs, and SOUL-WP-0001–0008 phase workplans.
Register the repo with State Hub under domain agents for hub-synced execution.

concepts/body.md

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+# Body
+
+**Status:** provisional  
+**Working gloss:** Body = Action
+
+## Working definition
+
+The **Body** is the operational dimension of a Being: the means through which it
+perceives, operates, and affects its environment.
+
+For artificial beings this may include language interfaces, APIs, tools, sensors,
+databases, actuators, communication channels, avatars, compute, and permissions.
+
+## Notes for research
+
+- Body is not identical with identity; components may be replaced.
+- Distributed and replaceable artificial bodies are expected.
+- Connect to embodiment literature without requiring biological embodiment.
+
+## Open issues
+
+- Minimal body for a Being?
+- Relation between Body and Actor.