v0.4.0

package.json

@@ -1,6 +1,6 @@
 {
   "name": "identitydb",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "TypeScript memory graph database wrapper for topics, facts, and AI-assisted ingestion.",
   "license": "MIT",
   "type": "module",

src/ingestion/llm-extractor.ts

@@ -15,25 +15,10 @@ export class LlmFactExtractor implements FactExtractor {
   constructor(private readonly options: LlmFactExtractorOptions) {}
 
   async extract(input: string): Promise<ExtractedFact> {
-    const prompt = this.buildPrompt(input);
-    return this.options.model.generateText(prompt);
-  }
-
-  private buildPrompt(input: string): string {
-    if (this.options.promptBuilder) {
-      return this.options.promptBuilder(input, this.options.instructions);
-    }
-
-    const instructions = this.options.instructions?.trim();
-
-    return [
-      DEFAULT_INSTRUCTIONS,
-      instructions && instructions.length > 0
-        ? `Additional instructions:\n${instructions}`
-        : null,
-      `Input:\n${input.trim()}`,
-    ]
-      .filter((value): value is string => value !== null)
-      .join("\n\n");
+    return this.options.model.generateText({
+      instruction: DEFAULT_INSTRUCTIONS,
+      input,
+      additionalInstruction: this.options.additionalInstructions,
+    });
   }
 }

src/ingestion/types.ts

@@ -2,14 +2,14 @@ import type {
   AddFactInput,
   EmbeddingProvider,
   TopicLinkInput,
-} from '../types/api';
+} from "../types/api";
 
 export interface ExtractedFact {
   statement?: string;
   summary?: string | null;
   source?: string | null;
   confidence?: number | null;
-  metadata?: AddFactInput['metadata'];
+  metadata?: AddFactInput["metadata"];
   topics: TopicLinkInput[];
 }
 
@@ -17,14 +17,19 @@ export interface FactExtractor {
   extract(input: string): Promise<ExtractedFact>;
 }
 
+export interface LlmTextGenerationModelInput {
+  instruction: string;
+  input: string;
+  additionalInstruction?: string | undefined;
+}
+
 export interface LlmTextGenerationModel {
-  generateText(prompt: string): Promise<ExtractedFact>;
+  generateText(prompt: LlmTextGenerationModelInput): Promise<ExtractedFact>;
 }
 
 export interface LlmFactExtractorOptions {
   model: LlmTextGenerationModel;
-  instructions?: string;
-  promptBuilder?: (input: string, instructions?: string) => string;
+  additionalInstructions?: string | undefined;
 }
 
 export interface IngestStatementOptions {

tests/ingestion.test.ts

@@ -1,15 +1,18 @@
-import { afterEach, beforeEach, describe, expect, it } from 'vitest';
+import { afterEach, beforeEach, describe, expect, it } from "vitest";
 
-import { IdentityDB } from '../src/core/identity-db';
-import { LlmFactExtractor } from '../src/ingestion/llm-extractor';
-import { NaiveExtractor } from '../src/ingestion/naive-extractor';
-import type { FactExtractor } from '../src/ingestion/types';
+import { IdentityDB } from "../src/core/identity-db";
+import { LlmFactExtractor } from "../src/ingestion/llm-extractor";
+import { NaiveExtractor } from "../src/ingestion/naive-extractor";
+import type {
+  FactExtractor,
+  LlmTextGenerationModelInput,
+} from "../src/ingestion/types";
 
-describe('IdentityDB ingestion', () => {
+describe("IdentityDB ingestion", () => {
   let db: IdentityDB;
 
   beforeEach(async () => {
-    db = await IdentityDB.connect({ client: 'sqlite', filename: ':memory:' });
+    db = await IdentityDB.connect({ client: "sqlite", filename: ":memory:" });
     await db.initialize();
   });
 
@@ -17,44 +20,75 @@ describe('IdentityDB ingestion', () => {
     await db.close();
   });
 
-  it('ingests a statement using a provided extractor', async () => {
+  it("ingests a statement using a provided extractor", async () => {
     const extractor: FactExtractor = {
       async extract(input) {
         return {
           statement: input,
           topics: [
-            { name: 'I', category: 'entity', granularity: 'concrete', role: 'subject' },
-            { name: 'TypeScript', category: 'entity', granularity: 'concrete', role: 'object' },
-            { name: '2025', category: 'temporal', granularity: 'concrete', role: 'time' },
+            {
+              name: "I",
+              category: "entity",
+              granularity: "concrete",
+              role: "subject",
+            },
+            {
+              name: "TypeScript",
+              category: "entity",
+              granularity: "concrete",
+              role: "object",
+            },
+            {
+              name: "2025",
+              category: "temporal",
+              granularity: "concrete",
+              role: "time",
+            },
           ],
         };
       },
     };
 
-    const fact = await db.ingestStatement('I have worked with TypeScript since 2025.', {
-      extractor,
-    });
+    const fact = await db.ingestStatement(
+      "I have worked with TypeScript since 2025.",
+      {
+        extractor,
+      },
+    );
 
-    expect(fact.topics.map((topic) => topic.name)).toEqual(['I', 'TypeScript', '2025']);
+    expect(fact.topics.map((topic) => topic.name)).toEqual([
+      "I",
+      "TypeScript",
+      "2025",
+    ]);
 
-    const linkedFacts = await db.getTopicFactsLinkedTo('TypeScript', '2025');
+    const linkedFacts = await db.getTopicFactsLinkedTo("TypeScript", "2025");
     expect(linkedFacts).toHaveLength(1);
-    expect(linkedFacts[0]?.statement).toBe('I have worked with TypeScript since 2025.');
+    expect(linkedFacts[0]?.statement).toBe(
+      "I have worked with TypeScript since 2025.",
+    );
   });
 
-  it('ships a deterministic naive extractor for local usage', async () => {
-    const fact = await db.ingestStatement('I have worked with TypeScript since 2025.', {
-      extractor: new NaiveExtractor(),
-    });
+  it("ships a deterministic naive extractor for local usage", async () => {
+    const fact = await db.ingestStatement(
+      "I have worked with TypeScript since 2025.",
+      {
+        extractor: new NaiveExtractor(),
+      },
+    );
 
-    expect(fact.topics.map((topic) => topic.name)).toEqual(['I', 'TypeScript', '2025']);
+    expect(fact.topics.map((topic) => topic.name)).toEqual([
+      "I",
+      "TypeScript",
+      "2025",
+    ]);
 
-    const topic = await db.getTopicByName('TypeScript', { includeFacts: true });
+    const topic = await db.getTopicByName("TypeScript", { includeFacts: true });
     expect(topic?.facts).toHaveLength(1);
   });
 
-  it('ships an LLM extractor adapter that returns structured facts from the model', async () => {
-    let prompt = '';
+  it("ships an LLM extractor adapter that returns structured facts from the model", async () => {
+    let prompt: LlmTextGenerationModelInput | undefined = undefined;
 
     const extractor = new LlmFactExtractor({
       model: {
@@ -62,33 +96,64 @@ describe('IdentityDB ingestion', () => {
           prompt = input;
 
           return {
-            statement: 'I have worked with Bun and TypeScript since 2025.',
-            summary: 'The speaker has Bun and TypeScript experience.',
-            source: 'chat',
+            statement: "I have worked with Bun and TypeScript since 2025.",
+            summary: "The speaker has Bun and TypeScript experience.",
+            source: "chat",
             confidence: 0.91,
-            metadata: { channel: 'telegram' },
+            metadata: { channel: "telegram" },
             topics: [
-              { name: 'I', category: 'entity', granularity: 'concrete', role: 'subject' },
-              { name: 'Bun', category: 'entity', granularity: 'concrete', role: 'object' },
-              { name: 'TypeScript', category: 'entity', granularity: 'concrete', role: 'object' },
-              { name: '2025', category: 'temporal', granularity: 'concrete', role: 'time' },
+              {
+                name: "I",
+                category: "entity",
+                granularity: "concrete",
+                role: "subject",
+              },
+              {
+                name: "Bun",
+                category: "entity",
+                granularity: "concrete",
+                role: "object",
+              },
+              {
+                name: "TypeScript",
+                category: "entity",
+                granularity: "concrete",
+                role: "object",
+              },
+              {
+                name: "2025",
+                category: "temporal",
+                granularity: "concrete",
+                role: "time",
+              },
             ],
           };
         },
       },
-      instructions: 'Prefer technology and time topics.',
+      additionalInstructions: "Prefer technology and time topics.",
     });
 
-    const fact = await db.ingestStatement('I have worked with Bun and TypeScript since 2025.', {
-      extractor,
-    });
+    const fact = await db.ingestStatement(
+      "I have worked with Bun and TypeScript since 2025.",
+      {
+        extractor,
+      },
+    );
 
-    expect(prompt).toContain('Prefer technology and time topics.');
-    expect(prompt).toContain('I have worked with Bun and TypeScript since 2025.');
-    expect(fact.summary).toBe('The speaker has Bun and TypeScript experience.');
-    expect(fact.source).toBe('chat');
+    expect(prompt).toEqual({
+      instruction: expect.stringContaining("Extract one structured fact from the user input."),
+      input: "I have worked with Bun and TypeScript since 2025.",
+      additionalInstruction: "Prefer technology and time topics.",
+    });
+    expect(fact.summary).toBe("The speaker has Bun and TypeScript experience.");
+    expect(fact.source).toBe("chat");
     expect(fact.confidence).toBe(0.91);
-    expect(fact.metadata).toEqual({ channel: 'telegram' });
-    expect(fact.topics.map((topic) => topic.name)).toEqual(['I', 'Bun', 'TypeScript', '2025']);
+    expect(fact.metadata).toEqual({ channel: "telegram" });
+    expect(fact.topics.map((topic) => topic.name)).toEqual([
+      "I",
+      "Bun",
+      "TypeScript",
+      "2025",
+    ]);
   });
 });