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eve

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Filesystem-first framework for durable backend AI agents that run anywhere.

github.com/vercel/eve

vercel/eve

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/** * Serializes model and tool payloads into span content attributes for the * local trace viewer: prompt messages, the system prompt, responses, and * tool arguments/results. Everything is capped so a giant payload cannot * bloat a span segment past the reader's per-file limit, and message * payloads stay valid JSON through every truncation path. */ /** Content attributes are capped so a giant payload cannot bloat a span segment. */ export declare const CONTENT_ATTRIBUTE_LIMIT: number; /** Serializes one payload value as capped JSON. */ export declare function contentAttribute(value: unknown): string | undefined; /** Serializes model messages using the OpenTelemetry GenAI message schema. */ export declare function genAiInputMessagesAttribute(messages: unknown): string | undefined; /** Serializes the system prompt using the OpenTelemetry GenAI instruction schema. */ export declare function genAiSystemInstructionsAttribute(instructions: unknown): string | undefined; /** Serializes one model response using the OpenTelemetry GenAI message schema. */ export declare function genAiOutputMessagesAttribute(content: readonly unknown[], finishReason: string): string | undefined; /** Serializes memory records using the OpenTelemetry GenAI memory-records schema. */ export declare function genAiMemoryRecordsAttribute(records: readonly unknown[]): string | undefined; /** * Serializes provider-executed tool results, keeping the attribute valid * JSON under the cap: when the full payload is too big, each entry's input * and output collapse to capped text at progressively smaller budgets * instead of cutting the JSON mid-string. */ export declare function toolResultsContentAttribute(results: readonly Record<string, unknown>[]): string | undefined; /** Normalizes the AI SDK's `instructions` prompt to plain text for `ai.prompt.system`. */ export declare function systemPromptAttribute(instructions: unknown): string | undefined; /** Caps plain text, marking the cut. */ export declare function textContentAttribute(text: string): string | undefined;