Articles and tutorials

17. Running a Fault-Injection Exercise for an Agent

A successful happy path proves that the system can run. A controlled failure shows whether it knows where to stop and how to recover.

Inject tool timeouts, corrupted results, and process crashes to test an Agent's retries, state recovery, and side-effect boundaries.

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16. Building an Agent Regression Suite Before Release

A regression suite is not a rerun of a few demos. It is an executable record of failures the system must not repeat.

Turn production failures, permission boundaries, and tool faults into repeatable tests that reveal behavioral regressions after an Agent change.

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09. Agent Permission Is More Than Allow or Deny

Authorization decides whether one principal may perform one action on one resource under specific conditions

Modeling authorization across principal, action, resource, condition, and lifetime so read access does not expand into execution or network access.

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07. Are Parallel Tool Calls Actually Faster?

Concurrency shortens only independent waiting time and adds result joining, cancellation, and resource pressure

Comparing serial execution, tool-level parallelism, and command merging across latency, authorization, and partial failure.

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15. Evaluating an Agent Beyond Its Final Answer

A plausible answer does not prove that evidence is real, execution was authorized, or interruption recovery is correct

Building regression evaluation across result correctness, constraint compliance, process efficiency, and recoverability.

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01. How System Prompts Are Assembled

The model does not receive one prompt. It receives context blocks assembled from different sources for different purposes.

A packet-level comparison of four AI coding CLIs, showing how platform rules, project configuration, environment data, conversation state, and the current task become model context.

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06. How Tool Results Should Return to the Model

The model does not observe local execution; the runtime must carry evidence into the next turn

Comparing complete delivery, truncation, structured summaries, and external references for model evidence and context control.

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