Agent runtimes enforce strict worker isolation.
Forces plugins into worker threads or subprocess sandboxes, removing in-process fallbacks and securing execution.
Eliminates silent in-process plugin execution in favor of strict worker isolation and mandatory bootstrap configuration.
Adds opt-in per-call interrupt modes for human-in-the-loop middleware with typed response schemas.
Allows individual gated tool calls to raise independent interrupts validated against Zod v4 schemas.
Agent runtimes are systematically closing fallback loopholes and enforcing strict process separation for plugins. Engineering teams must ensure their execution environments supply explicit bootstrapping configurations and adhere to strongly typed tool approval schemas.
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