Parent: #917

Scope

W&B / TensorBoard / OpenTelemetry parity — tracing, metrics, dashboards, log export.

Contracts in scope

• contracts/crux-F-{06,07,09,11,13,14,15,17,18,19}-v1.yaml (10 F-series)
• contracts/crux-K-07-v1.yaml, crux-K-08-v1.yaml (deployment observability)

Exit criteria

• 12 contracts promoted missing → supported
• apr trace / apr profile / realizar inference traces emit compatible formats

Dependencies

• Existing: realizar inference_trace.rs, apr trace --json
• Blocks on: none