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Systems / Signals

Long-form notes on AI systems, distributed software, and the machinery beneath the interface.
Author

Chirag Sehra

Technical writing · systems thinking · field notes

Building things that remain understandable

This is a working notebook for the hard parts of software: state, coordination, failure, feedback, and the design choices that only become visible when systems meet reality.

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Why Dynamic AI Systems Break in Two Different Directions

Agents
Systems
Distributed Systems

Why extensible AI runtimes need both reversible changes and reactive dependency lifecycles.

August 17, 2026

Revertible Effects: Making Runtime Changes Undoable

Agents
Systems
Distributed Systems

How effect scopes, inverse operations, and nested lifetimes make runtime changes recoverable.

August 17, 2026

Reactive Coeffects: Dependencies That Control Component Lifetime

Agents
Systems
Distributed Systems

How components declare what they need and react when runtime dependencies change.

August 17, 2026

Async Reloads, Epochs and the Race You Probably Missed

Agents
Systems
Distributed Systems

Why asynchronous reloads create coherence races and how dependency epochs contain them.

August 17, 2026

From Clever Plugin Runtime to Programming Paradigm

Agents
Systems
Distributed Systems

How Cordis combines reversible changes, dependencies, consistency, and safe recovery.

August 17, 2026
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