Add DSLO v0.6 substrate‑primitive schema (JSON, JSON‑LD, YAML)

Adds the complete DSLO v0.6 schema layer, including synchronized JSON, JSON‑LD, and YAML representations of the substrate‑primitive structure. This commit introduces the canonical definitions for state, transition, orientation, correction, and meaning_status, establishing the unified machine‑readable schema surface for DSLO v0.6 and aligning it with the axioms and taxonomy layers.

schema.README.md

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+DSLO Schema (v0.6)
+Canonical machine‑readable structure for DSLO substrate primitives.
+
+The DSLO schema defines the minimal fields required to represent any signal‑bearing system within the DSLO substrate.
+These fields correspond to the five operational primitives used in DSLO’s universal signal mapping:
+
+state (x) — localized, moment‑bound position
+
+transition (τ) — lawful movement between states
+
+orientation (o) — contextual routing and alignment
+
+correction (c) — invariant‑preserving fallback structure
+
+meaning_status (κ) — meaning‑bearing condition of the signal
+
+The schema is provided in three synchronized formats:
+
+JSON — canonical machine‑readable structure
+
+JSON‑LD — linked‑data representation
+
+YAML — human‑readable configuration format
+
+This directory establishes the DSLO v0.6 schema layer, ensuring consistent ingestion across semantic engines, AI systems, and substrate‑native tooling.