slug: pg1-instrumented-metrics
title: Instrumented Metrics Pipeline
description: Signal write rates, ranking latency p50/p99, personalization staleness, and feedback-loop latency all observable in production
phase: draft
created_at: 2026-03-03T06:30:08.990467Z
updated_at: 2026-03-03T06:30:08.990467Z
artifacts:
- artifact_type: spec
  status: missing
  path: .sdlc/features/pg1-instrumented-metrics/spec.md
  created_at: null
  approved_at: null
  rejected_at: null
  rejection_reason: null
  approved_by: null
- artifact_type: design
  status: missing
  path: .sdlc/features/pg1-instrumented-metrics/design.md
  created_at: null
  approved_at: null
  rejected_at: null
  rejection_reason: null
  approved_by: null
- artifact_type: tasks
  status: missing
  path: .sdlc/features/pg1-instrumented-metrics/tasks.md
  created_at: null
  approved_at: null
  rejected_at: null
  rejection_reason: null
  approved_by: null
- artifact_type: qa_plan
  status: missing
  path: .sdlc/features/pg1-instrumented-metrics/qa-plan.md
  created_at: null
  approved_at: null
  rejected_at: null
  rejection_reason: null
  approved_by: null
- artifact_type: review
  status: missing
  path: .sdlc/features/pg1-instrumented-metrics/review.md
  created_at: null
  approved_at: null
  rejected_at: null
  rejection_reason: null
  approved_by: null
- artifact_type: audit
  status: missing
  path: .sdlc/features/pg1-instrumented-metrics/audit.md
  created_at: null
  approved_at: null
  rejected_at: null
  rejection_reason: null
  approved_by: null
- artifact_type: qa_results
  status: missing
  path: .sdlc/features/pg1-instrumented-metrics/qa-results.md
  created_at: null
  approved_at: null
  rejected_at: null
  rejection_reason: null
  approved_by: null
tasks: []
comments: []
next_comment_seq: 0
blockers: []
phase_history:
- phase: draft
  entered: 2026-03-03T06:30:08.990467Z
  exited: null
dependencies: []
archived: false
schema_version: 2