7 micro-topics in Reliability & Operations, each with the evidence that proves you have it and the written reason behind every link. Before you start, it rests on 3 other domains. Downstream, it holds up 6 domains.
7 topics · depth 0–7 of 16 · 5 internal links · 4 in · 8 out
Load-bearing links first. Each one says what in this domain rests on what outside it, and why.
1 link
Track and control AI cost rests on Compute token economics
You must know the unit cost to attribute spend.
2 links
Trace LLM applications rests on Configure a model client
You trace model calls.
Track and control AI cost rests on Enforce spend caps in code
Caps and attribution are two halves of budget control.
1 link
Emit structured logs rests on Serialize and deserialize JSON
Structured logs are serialized records.
In prerequisite order. Each idea names the artifact that closes it, the market demand that put it on the map, and what it stands on.
Depth 0 · procedural · scaffolded · M23 §23.3
Records latency, tokens, errors and cost
Traces are where the metrics first become visible.
Depth 1 · meta · scaffolded · M23 §23.3
Pages on symptoms, not causes
Alerts fire on metrics.
Depth 4 · meta · scaffolded · M23 §23.4
Attributes spend to features and users
Cost is a tracked metric.
Compute token economics · Model Foundations
You must know the unit cost to attribute spend.
Enforce spend caps in code · Model Integration
Caps and attribution are two halves of budget control.
Depth 5 · procedural · unassisted · M23 §23.1
Captures spans across a request
Configure a model client · Model Integration
You trace model calls.
Depth 6 · procedural · unassisted · M23 §23.2
Logs machine-readable events, not prose
Serialize and deserialize JSON · Python Core
Structured logs are serialized records.
Depth 7 · conceptual · scaffolded · M23 §23.2
Threads a request id end to end
Correlation adds an identifier to structured logs.
Depth 7 · conceptual · unassisted · M23 §23.2
Redacts before writing
Redaction happens at the point of writing.
Everything downstream that names an idea here as a prerequisite, grouped by where it lives.
3 links
Prevent PII leakage rests on Keep sensitive data out of logs
Redaction in logs is the first version of this control.
Make AI decisions explainable rests on Trace LLM applications
Explanation draws on the recorded path.
Maintain audit trails rests on Correlate logs across services
An audit trail is correlated logging with retention.
1 link
Run a production readiness review rests on Configure alerts
Readiness includes verified monitoring.
1 link
Log requests with correlation rests on Emit structured logs
Request logging is structured logging applied at the edge.
1 link
Encode a harness after observed failure rests on Trace LLM applications
You encode failures you observed.
1 link
Schedule and monitor batch jobs rests on Configure alerts
Unattended jobs need alerting to be trustworthy.
1 link
Instrument user behavior rests on Keep sensitive data out of logs
Behavioral capture raises the same privacy questions.
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