Changelog

• d3dfd8b docs(replay): clarify replay identity defaults
• b186f43 docs(research): design collector pipeline testing architecture
• 3a5c710 docs(research): fix strict mkdocs build for pipeline testing note
• c1a1500 docs(traceimport): document Result field count semantics
• 8e391c5 feat(pipelinetest): add OTLP collector pipeline test harness
• dfb1d1e feat(replay): add trace recording sidecar and replay mode (#209)
• 040e91e feat(synth): expose in-memory config parser
• 43feec6 feat(traceimport): expose import result counts
• 7a4ecb6 feat: adopt OTLP operational ergonomics
• 05a37da fix(replay): address recorded run review findings
• c682010 fix(traceimport): preserve OTLP JSON edge cases
• 1c9f9e8 fix(traceimport): support Grafana OTLP JSON exports
• 0121e16 fix: surface canary export failures in motel doctor
• 9430a93 fix: update replay checkEndpoint caller for new signature
• cdebec2 perf(traceimport): decode OTLP/JSON without the protobuf runtime