78 lines
2.3 KiB
TypeScript
78 lines
2.3 KiB
TypeScript
/**
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* memory_history tool — extracted from index.ts registerTools().
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*
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* Views the edit history of a specific memory, showing all changes
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* over time including previous values, new values, and timestamps.
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*/
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import { Type } from "@sinclair/typebox";
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import type { ToolContext } from "./index.ts";
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// ---------------------------------------------------------------------------
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// Tool factory
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// ---------------------------------------------------------------------------
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/**
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* Creates the `memory_history` tool config object suitable for
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* `api.registerTool(config, { name })`.
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*/
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export function createMemoryHistoryTool(ctx: ToolContext) {
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const { provider } = ctx;
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return {
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name: "memory_history",
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label: "Memory History",
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description:
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"View the edit history of a specific memory. Shows all changes over time including previous values, new values, and timestamps. Useful for understanding how a memory evolved.",
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parameters: Type.Object({
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memoryId: Type.String({
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description: "The memory ID to view history for",
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}),
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}),
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async execute(_toolCallId: string, params: Record<string, unknown>) {
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const { memoryId } = params as { memoryId: string };
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try {
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const history = await provider!.history(memoryId);
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if (!history || history.length === 0) {
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return {
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content: [
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{
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type: "text",
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text: `No history found for memory ${memoryId}.`,
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},
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],
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details: { count: 0 },
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};
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}
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const text = history
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.map(
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(h, i) =>
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`${i + 1}. [${h.event}] ${h.created_at}\n Old: ${h.old_memory || "(none)"}\n New: ${h.new_memory || "(none)"}`,
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)
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.join("\n\n");
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return {
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content: [
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{
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type: "text",
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text: `History for memory ${memoryId} (${history.length} entries):\n\n${text}`,
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},
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],
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details: { count: history.length, history },
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};
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} catch (err) {
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return {
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content: [
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{ type: "text", text: `Memory history failed: ${String(err)}` },
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],
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details: { error: String(err) },
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};
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}
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},
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};
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}
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