Goal: define a minimal shared vocabulary for metrics keys, units, and attachment points.
This module SHOULD define (normative)
Core metric keys and meanings (counts, probabilities, durations)
Units conventions (e.g.,
Mssuffix, rates 0..1)Extension metric naming (namespaced keys)
This module SHOULD define (informative)
Aggregation guidance (sum counts, recompute rates, percentile strategies)
Example metric payloads on observed state/transition objects
Decisions to make
Which metrics are core vs profile-defined?
Do you standardize histograms/sketches now or defer?
Must-align with
Serialization extension mechanics
Observed module object model