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Implementation Guidance

Phased Delivery

Stage	Timeline	Focus
MVP	2-4 weeks	Core workflow only, simplest architecture, manual processes OK. Validate problem-solution fit.
Beta	4-8 weeks	Key features, basic scalability, monitoring, automated deployment. Validate product-market fit.
Production	8-12 weeks	Full features, production-grade reliability, auto-scaling, DR. Scale and optimize.
Optimization	Ongoing	Performance tuning, cost optimization, feature refinement. Efficiency and experience.

Critical Path Analysis

For each stage identify:

Blocking dependencies: What must be done first?
Parallel workstreams: What can happen simultaneously?
Resource constraints: Who's needed, when?
Risk areas: What might delay us?
Decision points: What decisions can't be delayed?

Observability Stack

Metrics (quantitative health)

Business metrics (signups, transactions, revenue)
System metrics (CPU, memory, disk, network)
Application metrics (request rate, latency, errors)

Logging (what happened)

Structured JSON logs
Correlation IDs across services
Context (user ID, request ID, session)
Appropriate levels: ERROR actionable, WARN concerning, INFO key events

Tracing (where time spent)

Distributed traces with OpenTelemetry
Critical path instrumentation
Database query timing
External API call timing

Alerting (what needs attention)

SLO-based alerts (error rate, latency, availability)
Actionable only (if it fires, someone must do something)
Runbooks for each alert
Escalation policies