ARCHIVE · 06
Follow the trail from foundational concepts to practical engineering decisions.
A design that splits AI content generation into independent stages—generation, review, asset creation, and publication—instead of relying on a single prompt. It covers fixed output schemas, separate review, and preserving the original even when a stage fails.
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At await, the function—not the thread—pauses. Here’s what suspension really means: the function stores its state on the heap and returns the thread to the cooperative pool, and why sequential await is not parallel execution.
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SDD (Spec Driven Development) is a methodology that finalizes specifications in documents before asking for code and treats them as the single source of truth. This guide covers the four-step spec·plan·tasks flow, two tools, and how it differs from vibe coding.
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Repeating NSTimer strongly retains its target, so the view controller is not released until invalidate(). This summarizes the cycle, block-based API, lifecycle invalidation, and weak proxy solutions.
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A harness is the execution loop wrapped around a model. We cover its components—tools, permissions, context management, and feedback—the reason agent performance is determined by the product of model intelligence and harness quality, and what makes a good harness.
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