resolve_target previously returned a hardcoded "requires_nexus_resolution"
placeholder; it now calls Nexus's /api/v1/resolve via a new minimal
internal/nexusclient, configurable with -nexus (default localhost:8987).
/api/v1/changes ignored the since query param and always returned from
sequence 0 (`since = 0` regardless of what was parsed) — fixed to actually
parse and use it, so change-cursor polling works.
The MCP hexis.execute tool only forwarded capability_id/target_entity_id/
arguments/idempotency_key, silently dropping entity_version, requested_by,
origin, correlation_id, causation_id, resolution_evidence, and
confirmation_id even though the native HTTP API and domain.ExecuteRequest
already supported all of them — MCP callers now get full parity.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018ghELqYhZNLub2TXGMazqA
kami
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