Graphorin API reference v0.4.0

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Graphorin API reference / @graphorin/memory / / createFactHistoryTool

Function: createFactHistoryTool()

function createFactHistoryTool(deps): Tool<{
  factId: string;
}, {
  chain: {
     factId: string;
     sensitivity: "public" | "internal" | "secret";
     supersededBy?: string;
     supersedes?: string;
     text: string;
     validFrom?: string;
     validTo?: string;
  }[];
}>;

Defined in: packages/memory/src/tools/fact-tools.ts:255

fact_history — trace how a fact changed over time. Returns the full bi-temporal supersede chain the given fact belongs to, oldest → newest, including superseded entries, so the agent can answer "what did the user say before" / "how did this change". Read-only. P0-2.

Parameters

Parameter	Type
deps	MemoryToolDeps

Returns

Tool<{ factId: string; }, { chain: { factId: string; sensitivity: "public" | "internal" | "secret"; supersededBy?: string; supersedes?: string; text: string; validFrom?: string; validTo?: string; }[]; }>

Stable