v0.4.0

.gitea/workflows/publish.yml

@@ -0,0 +1,29 @@
+name: Publish
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    container:
+      image: oven/bun:1
+    steps:
+      - name: Checkout
+        uses: https://gitea.com/actions/checkout@v6.0.2
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+      - name: Test
+        run: bun run test
+      - name: Typecheck
+        run: bun run check
+      - name: Build
+        run: bun run build
+      - name: Publish to npm
+        run: |
+          echo "//registry.npmjs.org/:_authToken=${NPM_TOKEN}" > ~/.npmrc
+          bun publish --access public
+        env:
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

bun.lock

@@ -5,7 +5,7 @@
     "": {
       "name": "boxbrain",
       "dependencies": {
-        "identitydb": "0.2.1",
+        "identitydb": "^0.4.0",
       },
       "devDependencies": {
         "@types/bun": "latest",
@@ -249,7 +249,7 @@
 
     "iconv-lite": ["iconv-lite@0.7.2", "", { "dependencies": { "safer-buffer": ">= 2.1.2 < 3.0.0" } }, "sha512-im9DjEDQ55s9fL4EYzOAv0yMqmMBSZp6G0VvFyTMPKWxiSBHUj9NW/qqLmXUwXrrM7AvqSlTCfvqRb0cM8yYqw=="],
 
-    "identitydb": ["identitydb@0.2.1", "", { "dependencies": { "kysely": "^0.28.8", "mysql2": "^3.15.3", "pg": "^8.16.0" } }, "sha512-e+caNqI7F6JaqgyIFQbdiT5/2Frs5PEJgy3mmF+qUVspHZ4z6QtFF5jonDnpYtJpZ9guPWfeQ/xteeaiwOJ5zA=="],
+    "identitydb": ["identitydb@0.4.0", "", { "dependencies": { "kysely": "^0.28.8", "mysql2": "^3.15.3", "pg": "^8.16.0" } }, "sha512-DAyipdrApjmI1HoHfhT9zuMfNLiWaYe7/k/FrUa55h7WUUASGV192AhrC6KUiMTS55dfYKDBWi0AcS7crSw+bA=="],
 
     "is-property": ["is-property@1.0.2", "", {}, "sha512-Ks/IoX00TtClbGQr4TWXemAnktAQvYB7HzcCxDGqEZU6oCmb2INHuOoKxbtR+HFkmYWBKv/dOZtGRiAjDhj92g=="],
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "boxbrain",
-  "version": "0.2.0",
+  "version": "0.4.0",
   "description": "Human-like persona harness framework powered by LLMs and IdentityDB.",
   "license": "MIT",
   "type": "module",
@@ -48,7 +48,7 @@
     "prepublishOnly": "bun run check && bun run test && bun run build && bun run pack:check"
   },
   "dependencies": {
-    "identitydb": "0.2.1"
+    "identitydb": "^0.4.0"
   },
   "devDependencies": {
     "@types/bun": "latest",

src/conversation.ts

@@ -5,36 +5,31 @@ import type {
   MemorySpace,
   PersonaMessage,
   ScheduledAvailabilitySnapshot,
-} from './types';
+} from "./types";
-import { addUtcDays, buildAvailabilitySnapshot, dateKeysAround, startOfUtcDay, toIso } from './schedule';
+import { addUtcDays, dateKeysAround, startOfUtcDay, toIso } from "./schedule";
 
-export function formatMessageHistory(input: { personaName: string; messages: PersonaMessage[] }): string {
+export function formatMessageHistory(input: {
+  personaName: string;
+  messages: PersonaMessage[];
+}): string {
   return input.messages
     .map((message) => {
-      const sender = message.sender === 'persona' ? input.personaName : 'user';
+      const sender = message.sender === "persona" ? input.personaName : "user";
       return `${sender}@${toIso(message.time)}: ${message.content}`;
     })
-    .join('\n');
+    .join("\n");
 }
 
-export function conversationInstruction(): string {
+export function conversationInstruction(baseSystemPrompt?: string): string {
-  return [
+  const parts = [
-    'You are controlling the persona, not a generic assistant.',
+    ...(baseSystemPrompt === undefined ? [] : [baseSystemPrompt]),
-    'Use the send_message tool conceptually: return one or more outgoing messages.',
+    "You are controlling the persona, not a generic assistant.",
-    'Unless the persona strongly prefers otherwise, keep each outgoing message to at most one sentence.',
+    "Use the send_message tool conceptually: return one or more outgoing messages.",
-    'Prefer short, natural, chat-like wording and allow splitting one thought into multiple messages.',
+    "Unless the persona strongly prefers otherwise, keep each outgoing message to at most one sentence.",
+    "Prefer short, natural, chat-like wording and allow splitting one thought into multiple messages.",
     'If mandatory memory says "기억이 없음", the persona may naturally wonder about missing context instead of pretending to remember.',
-  ].join('\n');
+  ];
-}
+  return parts.join("\n");
-
-export function memoryExtractionInstruction(now: string): string {
-  return [
-    `Current objective time: ${now}.`,
-    'Read the message history and extract durable facts worth remembering.',
-    'Objectivize subjective statements before storage.',
-    'Example: "I started TypeScript in 2025" becomes "The user started TypeScript in 2025."',
-    'Prefer facts about the persona, the user, their relationship, preferences, history, schedule-relevant events, and stable traits.',
-  ].join('\n');
 }
 
 export async function buildMandatoryConversationContext(input: {
@@ -47,15 +42,27 @@ export async function buildMandatoryConversationContext(input: {
   const now = startOfUtcDay(input.now);
   const from = addUtcDays(now, -1).toISOString();
   const to = addUtcDays(now, 2).toISOString();
-  const scheduleEntries = await input.memory.listScheduleEntries(input.persona.id, from, to);
+  const scheduleEntries = await input.memory.listScheduleEntries(
-  const personaAndUserFacts = await input.memory.findFacts(input.persona.id, ['persona', input.persona.displayName, 'user']);
+    input.persona.id,
-  const memorySummary = personaAndUserFacts.length === 0
+    from,
-    ? '기억이 없음'
+    to,
-    : personaAndUserFacts.map((fact) => `- ${fact.statement}`).join('\n');
+  );
+  const personaAndUserFacts = await input.memory.findFacts(input.persona.id, [
+    "persona",
+    input.persona.displayName,
+    "user",
+  ]);
+  const memorySummary =
+    personaAndUserFacts.length === 0
+      ? "기억이 없음"
+      : personaAndUserFacts.map((fact) => `- ${fact.statement}`).join("\n");
 
   return {
-    formattedMessageHistory: formatMessageHistory({ personaName: input.persona.displayName, messages: input.messages }),
+    formattedMessageHistory: formatMessageHistory({
-    conversationWindowLabel: `Required conversation window: yesterday/today. Schedule dates: ${dateKeysAround(input.now).join(', ')}.`,
+      personaName: input.persona.displayName,
+      messages: input.messages,
+    }),
+    conversationWindowLabel: `Required conversation window: yesterday/today. Schedule dates: ${dateKeysAround(input.now).join(", ")}.`,
     memorySummary,
     personaAndUserFacts,
     scheduleEntries,

src/memory.ts

@@ -1,4 +1,4 @@
-import { IdentityDB, type Fact as IdentityFact } from 'identitydb';
+import { IdentityDB, extractFact, type Fact as IdentityFact, type FactExtractor } from 'identitydb';
 import type { BoxBrainMemoryStore, FactDraft, MemorySpace, ScheduleEntry, StoredFact } from './types';
 
 function normalizeTopics(topics: string[]): string[] {
@@ -74,6 +74,17 @@ export class InMemoryMemoryStore implements BoxBrainMemoryStore {
     this.schedules.set(spaceId, kept);
     return entries.length - kept.length;
   }
+
+  async ingestStatement(spaceId: string, statement: string, extractor: FactExtractor): Promise<StoredFact> {
+    const extracted = await extractFact(statement, extractor);
+    return this.addFact(spaceId, {
+      statement: extracted.statement ?? statement,
+      topics: extracted.topics.map((t) => t.name),
+      ...(typeof extracted.confidence === 'number' ? { confidence: extracted.confidence } : {}),
+      ...(typeof extracted.source === 'string' ? { source: extracted.source } : {}),
+      ...(extracted.metadata !== undefined && extracted.metadata !== null ? { metadata: extracted.metadata as Record<string, unknown> } : {}),
+    });
+  }
 }
 
 export interface IdentityDbMemoryStoreOptions {
@@ -172,6 +183,11 @@ export class IdentityDbMemoryStore implements BoxBrainMemoryStore {
     return 0;
   }
 
+  async ingestStatement(spaceId: string, statement: string, extractor: FactExtractor): Promise<StoredFact> {
+    const fact = await this.options.db.ingestStatement(statement, { extractor, spaceName: spaceId });
+    return this.fromIdentityFact(fact);
+  }
+
   private fromIdentityFact(fact: IdentityFact): StoredFact {
     const metadata = typeof fact.metadata === 'object' && fact.metadata !== null && !Array.isArray(fact.metadata) ? fact.metadata as Record<string, unknown> : undefined;
     return {

src/persona.ts

@@ -1,19 +1,21 @@
-import { InMemoryMemoryStore } from './memory';
+import { InMemoryMemoryStore } from "./memory";
 import {
   addUtcDays,
+  blocksToDailySchedule,
+  blocksToMonthlySchedule,
   buildAvailabilitySnapshot,
-  createMonthlyScheduleEntries,
+  daysInMonth,
-  createTenMinuteDailySchedule,
+  scheduleInstruction,
   scheduleTargetDay,
   startOfUtcDay,
   toIso,
-} from './schedule';
+} from "./schedule";
+import { extractFact } from "identitydb";
 import {
   buildMandatoryConversationContext,
   conversationInstruction,
   formatMessageHistory,
-  memoryExtractionInstruction,
+} from "./conversation";
-} from './conversation';
 import type {
   BoxBrainMemoryStore,
   DateTimeInput,
@@ -25,28 +27,31 @@ import type {
   PersonaOptions,
   ScheduleEntry,
   ScheduledAvailabilitySnapshot,
-} from './types';
+} from "./types";
 
 interface CreateMode {
-  type: 'create';
+  type: "create";
   displayName: string;
   seedMessage: string;
 }
 
 interface LoadMode {
-  type: 'load';
+  type: "load";
   spaceId: string;
 }
 
 type Mode = CreateMode | LoadMode;
 
-function defaultInitialFact(displayName: string, seedMessage: string): FactDraft {
+function defaultInitialFact(
+  displayName: string,
+  seedMessage: string,
+): FactDraft {
   return {
     statement: `${displayName} is a BoxBrain persona initialized from this seed: ${seedMessage}`,
-    topics: ['persona', displayName],
+    topics: ["persona", displayName],
-    source: 'boxbrain.persona.initialization',
+    source: "boxbrain.persona.initialization",
     confidence: 1,
-    metadata: { boxbrainType: 'persona-initial-fact' },
+    metadata: { boxbrainType: "persona-initial-fact" },
   };
 }
 
@@ -63,18 +68,28 @@ export class Persona {
   private readonly mode: Mode;
   private readonly readyPromise: Promise<MemorySpace>;
   private availabilitySnapshot?: ScheduledAvailabilitySnapshot;
+  readonly baseSystemPrompt: string | undefined;
 
-  constructor(displayName: string, seedMessage: string, options?: PersonaOptions);
+  constructor(
+    displayName: string,
+    seedMessage: string,
+    options?: PersonaOptions,
+  );
   constructor(spaceId: string, options?: PersonaOptions);
-  constructor(first: string, second?: string | PersonaOptions, third?: PersonaOptions) {
+  constructor(
-    if (typeof second === 'string') {
+    first: string,
-      this.mode = { type: 'create', displayName: first, seedMessage: second };
+    second?: string | PersonaOptions,
+    third?: PersonaOptions,
+  ) {
+    if (typeof second === "string") {
+      this.mode = { type: "create", displayName: first, seedMessage: second };
       this.options = third ?? {};
     } else {
-      this.mode = { type: 'load', spaceId: first };
+      this.mode = { type: "load", spaceId: first };
       this.options = second ?? {};
     }
     this.memory = this.options.memory ?? new InMemoryMemoryStore();
+    this.baseSystemPrompt = this.options.baseSystemPrompt;
     this.readyPromise = this.initialize();
   }
 
@@ -82,20 +97,70 @@ export class Persona {
     return this.readyPromise;
   }
 
-  async createDailySchedule(datetime: DateTimeInput, message: string): Promise<ScheduleEntry[]> {
+  get spaceId(): Promise<string> {
+    return this.readyPromise.then((v) => v.id);
+  }
+
+  async createDailySchedule(
+    datetime: DateTimeInput,
+    message: string,
+  ): Promise<ScheduleEntry[]> {
     const persona = await this.ready();
+    if (!this.options.models?.schedule) {
+      throw new Error("createDailySchedule requires options.models.schedule.");
+    }
     const targetDay = scheduleTargetDay(datetime);
-    const entries = createTenMinuteDailySchedule({ persona, targetDay, message });
+    const blocks = await this.options.models.schedule.generateDailySchedule({
-    await this.emit('persona.schedule.daily.generated', { targetDay: targetDay.toISOString(), count: entries.length, message });
+      persona,
+      targetDay,
+      message,
+      instruction: scheduleInstruction(),
+    });
+    const entries = blocksToDailySchedule({
+      persona,
+      targetDay,
+      message,
+      blocks,
+    });
+    await this.emit("persona.schedule.daily.generated", {
+      targetDay: targetDay.toISOString(),
+      count: entries.length,
+      message,
+    });
     await this.memory.saveScheduleEntries(persona.id, entries);
     await this.refreshAvailability(datetime);
     return entries;
   }
 
-  async createMonthlySchedule(datetime: DateTimeInput, message: string): Promise<ScheduleEntry[]> {
+  async createMonthlySchedule(
+    datetime: DateTimeInput,
+    message: string,
+  ): Promise<ScheduleEntry[]> {
     const persona = await this.ready();
-    const entries = createMonthlyScheduleEntries({ persona, fromDay: datetime, message });
+    if (!this.options.models?.schedule) {
-    await this.emit('persona.schedule.monthly.generated', { count: entries.length, message });
+      throw new Error(
+        "createMonthlySchedule requires options.models.schedule.",
+      );
+    }
+    const fromDay = scheduleTargetDay(datetime);
+    const days = daysInMonth(fromDay);
+    const blocks = await this.options.models.schedule.generateMonthlySchedule({
+      persona,
+      fromDay,
+      message,
+      days,
+      instruction: scheduleInstruction(),
+    });
+    const entries = blocksToMonthlySchedule({
+      persona,
+      fromDay,
+      message,
+      blocks,
+    });
+    await this.emit("persona.schedule.monthly.generated", {
+      count: entries.length,
+      message,
+    });
     await this.memory.saveScheduleEntries(persona.id, entries);
     await this.refreshAvailability(datetime);
     return entries;
@@ -104,14 +169,24 @@ export class Persona {
   async deleteSchedulesBefore(cutoffExclusive: DateTimeInput): Promise<number> {
     const persona = await this.ready();
     const cutoff = toIso(cutoffExclusive);
-    const deleted = await this.memory.deleteScheduleEntriesBefore(persona.id, cutoff);
+    const deleted = await this.memory.deleteScheduleEntriesBefore(
+      persona.id,
+      cutoff,
+    );
     await this.memory.addFact(persona.id, {
       statement: `Schedules before ${cutoff} were deleted or marked inactive.`,
-      topics: ['persona.schedule.deleted', 'schedule', cutoff.slice(0, 10)],
+      topics: ["persona.schedule.deleted", "schedule", cutoff.slice(0, 10)],
-      source: 'boxbrain.schedule.prune',
+      source: "boxbrain.schedule.prune",
-      metadata: { boxbrainType: 'schedule-deletion', cutoffExclusive: cutoff, deleted },
+      metadata: {
+        boxbrainType: "schedule-deletion",
+        cutoffExclusive: cutoff,
+        deleted,
+      },
+    });
+    await this.emit("persona.schedule.deleted", {
+      cutoffExclusive: cutoff,
+      deleted,
     });
-    await this.emit('persona.schedule.deleted', { cutoffExclusive: cutoff, deleted });
     return deleted;
   }
 
@@ -119,12 +194,15 @@ export class Persona {
     return this.deleteSchedulesBefore(datetime);
   }
 
-  async getTodayScheduledAvailability(datetime: DateTimeInput): Promise<ScheduledAvailabilitySnapshot> {
+  async getTodayScheduledAvailability(
+    datetime: DateTimeInput,
+  ): Promise<ScheduledAvailabilitySnapshot> {
     if (!this.availabilitySnapshot) {
       await this.refreshAvailability(datetime);
     }
     const snapshot = this.availabilitySnapshot;
-    if (!snapshot) throw new Error('Availability snapshot was not initialized.');
+    if (!snapshot)
+      throw new Error("Availability snapshot was not initialized.");
 
     const today = startOfUtcDay(datetime).toISOString();
     if (snapshot.windowStartAt !== today) {
@@ -132,7 +210,8 @@ export class Persona {
     }
 
     const refreshed = this.availabilitySnapshot;
-    if (!refreshed) throw new Error('Availability snapshot was not initialized.');
+    if (!refreshed)
+      throw new Error("Availability snapshot was not initialized.");
     return refreshed;
   }
 
@@ -143,9 +222,11 @@ export class Persona {
   }): Promise<OutgoingMessageDraft> {
     const persona = await this.ready();
     if (!this.options.models?.conversation) {
-      throw new Error('sendMessage requires options.models.conversation.');
+      throw new Error("sendMessage requires options.models.conversation.");
     }
-    const availability = await this.getTodayScheduledAvailability(input.datetime);
+    const availability = await this.getTodayScheduledAvailability(
+      input.datetime,
+    );
     const context = await buildMandatoryConversationContext({
       persona,
       now: input.datetime,
@@ -153,20 +234,24 @@ export class Persona {
       messages: input.messageHistory,
       availability,
     });
-    await this.emit('persona.conversation.context.loaded', {
+    await this.emit("persona.conversation.context.loaded", {
       factCount: context.personaAndUserFacts.length,
       scheduleEntryCount: context.scheduleEntries.length,
     });
 
-    const userMessage = [...input.messageHistory].reverse().find((message) => message.sender === 'user')?.content;
+    const userMessage = [...input.messageHistory]
-    let draft = ensureDraft(await this.options.models.conversation.generateReply({
+      .reverse()
+      .find((message) => message.sender === "user")?.content;
+    let draft = ensureDraft(
+      await this.options.models.conversation.generateReply({
         persona,
         now: toIso(input.datetime),
-      mode: 'reply',
+        mode: "reply",
         context,
         ...(userMessage === undefined ? {} : { userMessage }),
-      instruction: conversationInstruction(),
+        instruction: conversationInstruction(this.baseSystemPrompt),
-    }));
+      }),
+    );
 
     if (input.getLatestMessageHistory && this.options.models.rewrite) {
       const latest = await input.getLatestMessageHistory();
@@ -186,20 +271,28 @@ export class Persona {
           draft,
           context: latestContext,
         });
-        await this.emit('persona.conversation.rewrite.checked', { rewrite: decision.rewrite, reason: decision.reason ?? null });
+        await this.emit("persona.conversation.rewrite.checked", {
+          rewrite: decision.rewrite,
+          reason: decision.reason ?? null,
+        });
         if (decision.rewrite) {
-          draft = ensureDraft(decision.draft ?? await this.options.models.conversation.generateReply({
+          draft = ensureDraft(
+            decision.draft ??
+              (await this.options.models.conversation.generateReply({
                 persona,
                 now: toIso(input.datetime),
-            mode: 'reply',
+                mode: "reply",
                 context: latestContext,
-            instruction: conversationInstruction(),
+                instruction: conversationInstruction(this.baseSystemPrompt),
-          }));
+              })),
+          );
         }
       }
     }
 
-    await this.emit('persona.conversation.reply.generated', { messageCount: draft.messages.length });
+    await this.emit("persona.conversation.reply.generated", {
+      messageCount: draft.messages.length,
+    });
     return draft;
   }
 
@@ -209,9 +302,13 @@ export class Persona {
   }): Promise<OutgoingMessageDraft> {
     const persona = await this.ready();
     if (!this.options.models?.conversation) {
-      throw new Error('startConversation requires options.models.conversation.');
+      throw new Error(
+        "startConversation requires options.models.conversation.",
+      );
     }
-    const availability = await this.getTodayScheduledAvailability(input.datetime);
+    const availability = await this.getTodayScheduledAvailability(
+      input.datetime,
+    );
     const context = await buildMandatoryConversationContext({
       persona,
       now: input.datetime,
@@ -219,14 +316,18 @@ export class Persona {
       messages: input.messageHistory,
       availability,
     });
-    const draft = ensureDraft(await this.options.models.conversation.generateReply({
+    const draft = ensureDraft(
+      await this.options.models.conversation.generateReply({
         persona,
         now: toIso(input.datetime),
-      mode: 'start-conversation',
+        mode: "start-conversation",
         context,
-      instruction: conversationInstruction(),
+        instruction: conversationInstruction(this.baseSystemPrompt),
-    }));
+      }),
-    await this.emit('persona.conversation.started', { messageCount: draft.messages.length });
+    );
+    await this.emit("persona.conversation.started", {
+      messageCount: draft.messages.length,
+    });
     return draft;
   }
 
@@ -235,65 +336,132 @@ export class Persona {
     messageHistory: PersonaMessage[];
   }): Promise<FactDraft[]> {
     const persona = await this.ready();
-    if (!this.options.models?.memoryExtraction) {
+    if (!this.options.models?.factExtractor) {
-      throw new Error('sleepMemory requires options.models.memoryExtraction.');
+      throw new Error("sleepMemory requires options.models.factExtractor.");
     }
-    const contextFacts = await this.memory.findFacts(persona.id, ['persona', persona.displayName, 'user']);
+    const contextFacts = await this.memory.findFacts(persona.id, [
-    const drafts = await this.options.models.memoryExtraction.extract({
+      "persona",
-      persona,
+      persona.displayName,
-      now: toIso(input.datetime),
+      "user",
-      formattedMessageHistory: formatMessageHistory({ personaName: persona.displayName, messages: input.messageHistory }),
+    ]);
-      contextFacts,
+    const statement = [
-      instruction: memoryExtractionInstruction(toIso(input.datetime)),
+      `Current objective time: ${toIso(input.datetime)}.`,
+      "Read the message history and extract durable facts worth remembering.",
+      "Objectivize subjective statements before storage.",
+      'Example: "I started TypeScript in 2025" becomes "The user started TypeScript in 2025."',
+      "Prefer facts about the persona, the user, their relationship, preferences, history, schedule-relevant events, and stable traits.",
+      "",
+      "Context facts:",
+      ...contextFacts.map((f) => `- ${f.statement}`),
+      "",
+      "Message history:",
+      formatMessageHistory({
+        personaName: persona.displayName,
+        messages: input.messageHistory,
+      }),
+    ].join("\n");
+    const extracted = await extractFact(
+      statement,
+      this.options.models.factExtractor,
+    );
+    const draft: FactDraft = {
+      statement: extracted.statement ?? statement,
+      topics: [...extracted.topics.map((t) => t.name), "sleepMemory"],
+      source: extracted.source ?? "boxbrain.sleepMemory",
+      ...(typeof extracted.confidence === 'number'
+        ? { confidence: extracted.confidence }
+        : {}),
+      ...(extracted.metadata !== undefined && extracted.metadata !== null
+        ? { metadata: extracted.metadata as Record<string, unknown> }
+        : {}),
+    };
+    await this.memory.addFact(persona.id, draft);
+    await this.emit("persona.memory.sleep.persisted", {
+      factCount: 1,
     });
-    for (const draft of drafts) {
+    return [draft];
-      await this.memory.addFact(persona.id, {
-        ...draft,
-        topics: [...draft.topics, 'sleepMemory'],
-        source: draft.source ?? 'boxbrain.sleepMemory',
-      });
-    }
-    await this.emit('persona.memory.sleep.persisted', { factCount: drafts.length });
-    return drafts;
   }
 
   private async initialize(): Promise<MemorySpace> {
     const now = toIso(this.options.now ?? new Date());
-    if (this.mode.type === 'load') {
+    if (this.mode.type === "load") {
       const existing = await this.memory.getSpace(this.mode.spaceId);
-      if (!existing) throw new Error(`Persona space not found: ${this.mode.spaceId}`);
+      if (!existing)
-      await this.emit('persona.loaded', { displayName: existing.displayName });
+        throw new Error(`Persona space not found: ${this.mode.spaceId}`);
+      await this.emit("persona.loaded", { displayName: existing.displayName });
       await this.refreshAvailability(now, existing);
       return existing;
     }
 
-    const space = await this.memory.createSpace({ displayName: this.mode.displayName, seedMessage: this.mode.seedMessage, now });
+    const space = await this.memory.createSpace({
-    const modelFacts = this.options.models?.initialization
-      ? await this.options.models.initialization.extractInitialFacts({
       displayName: this.mode.displayName,
       seedMessage: this.mode.seedMessage,
       now,
-      })
+    });
-      : undefined;
+    if (this.options.models?.factExtractor) {
-    const facts = modelFacts ?? [defaultInitialFact(this.mode.displayName, this.mode.seedMessage)];
+      const statement = `Persona: ${this.mode.displayName}\nSeed: ${this.mode.seedMessage}`;
-    for (const fact of facts) {
+      const extracted = await extractFact(
+        statement,
+        this.options.models.factExtractor,
+      );
+      const draft: FactDraft = {
+        statement: extracted.statement ?? statement,
+        topics: extracted.topics.map((t) => t.name),
+        source: extracted.source ?? "boxbrain.persona.initialization",
+        ...(typeof extracted.confidence === 'number'
+          ? { confidence: extracted.confidence }
+          : {}),
+        ...(extracted.metadata !== undefined && extracted.metadata !== null
+          ? { metadata: extracted.metadata as Record<string, unknown> }
+          : {}),
+      };
+      await this.memory.addFact(space.id, draft);
+      await this.emit(
+        "persona.initialized",
+        { displayName: space.displayName, factCount: 1 },
+        space.id,
+      );
+    } else {
+      const fact = defaultInitialFact(this.mode.displayName, this.mode.seedMessage);
       await this.memory.addFact(space.id, fact);
+      await this.emit(
+        "persona.initialized",
+        { displayName: space.displayName, factCount: 1 },
+        space.id,
+      );
     }
-    await this.emit('persona.initialized', { displayName: space.displayName, factCount: facts.length }, space.id);
     await this.refreshAvailability(now, space);
     return space;
   }
 
-  private async refreshAvailability(datetime: DateTimeInput, knownPersona?: MemorySpace): Promise<void> {
+  private async refreshAvailability(
-    const persona = knownPersona ?? await this.ready();
+    datetime: DateTimeInput,
+    knownPersona?: MemorySpace,
+  ): Promise<void> {
+    const persona = knownPersona ?? (await this.ready());
     const start = startOfUtcDay(datetime);
     const end = addUtcDays(start, 2);
-    const entries = await this.memory.listScheduleEntries(persona.id, start.toISOString(), end.toISOString());
+    const entries = await this.memory.listScheduleEntries(
-    this.availabilitySnapshot = buildAvailabilitySnapshot({ now: datetime, entries });
+      persona.id,
-    await this.emit('persona.availability.refreshed', { rangeCount: this.availabilitySnapshot.ranges.length }, persona.id);
+      start.toISOString(),
+      end.toISOString(),
+    );
+    this.availabilitySnapshot = buildAvailabilitySnapshot({
+      now: datetime,
+      entries,
+    });
+    await this.emit(
+      "persona.availability.refreshed",
+      { rangeCount: this.availabilitySnapshot.ranges.length },
+      persona.id,
+    );
   }
 
-  private async emit(name: string, data?: Record<string, unknown>, explicitSpaceId?: string): Promise<void> {
+  private async emit(
+    name: string,
+    data?: Record<string, unknown>,
+    explicitSpaceId?: string,
+  ): Promise<void> {
     if (!this.options.debug) return;
     const event: DebugEvent = {
       name,

src/schedule.ts

@@ -3,12 +3,11 @@ import type {
   AvailabilityRange,
   DateTimeInput,
   MemorySpace,
-  ScheduleActivity,
+  ScheduleBlock,
   ScheduleEntry,
   ScheduledAvailabilitySnapshot,
 } from './types';
 
-const TEN_MINUTES_MS = 10 * 60 * 1000;
 const DAY_MS = 24 * 60 * 60 * 1000;
 
 export function toDate(input: DateTimeInput): Date {
@@ -36,135 +35,87 @@ export function scheduleTargetDay(now: DateTimeInput): Date {
   return addUtcDays(now, 1);
 }
 
-function pick(activity: ScheduleActivity): { title: string; mode: AvailabilityMode } {
+export function daysInMonth(date: Date): number {
-  switch (activity) {
+  const year = date.getUTCFullYear();
-    case 'sleep':
+  const month = date.getUTCMonth();
-      return { title: 'Sleep', mode: 'offline' };
+  return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();
-    case 'work':
-      return { title: 'Work', mode: 'do-not-disturb' };
-    case 'study':
-      return { title: 'Study', mode: 'do-not-disturb' };
-    case 'job-search':
-      return { title: 'Job search', mode: 'do-not-disturb' };
-    case 'travel':
-      return { title: 'Travel', mode: 'do-not-disturb' };
-    case 'commute':
-      return { title: 'Commute', mode: 'do-not-disturb' };
-    case 'exercise':
-      return { title: 'Exercise', mode: 'online' };
-    case 'meal':
-      return { title: 'Meal', mode: 'online' };
-    case 'social':
-      return { title: 'Social time', mode: 'online' };
-    case 'errand':
-      return { title: 'Errand', mode: 'online' };
-    case 'free-time':
-      return { title: 'Free time', mode: 'online' };
-    case 'rest':
-      return { title: 'Rest', mode: 'online' };
-  }
 }
 
-function chooseDaytimeActivity(message: string): ScheduleActivity {
+export function scheduleInstruction(): string {
-  const lower = message.toLowerCase();
+  return [
-  if (lower.includes('travel') || lower.includes('trip') || lower.includes('여행')) return 'travel';
+    'Generate realistic schedule blocks for the persona based on their profile and the provided message.',
-  if (lower.includes('study') || lower.includes('exam') || lower.includes('공부') || lower.includes('시험')) return 'study';
+    'Activity types should be creative and context-appropriate; do not limit yourself to a fixed list.',
-  if (lower.includes('job') || lower.includes('취업') || lower.includes('구직')) return 'job-search';
+    'For each block, choose an availability mode: online (available to chat), do-not-disturb (busy but reachable for urgent matters), or offline (completely unavailable).',
-  if (lower.includes('work') || lower.includes('일') || lower.includes('회사')) return 'work';
+    'Return blocks covering the requested time range with startTime and endTime in HH:MM 24-hour format.',
-  return 'work';
+  ].join('\n');
 }
 
-function activityForMinute(minuteOfDay: number, message: string): ScheduleActivity {
+export function blocksToDailySchedule(input: {
-  const hour = Math.floor(minuteOfDay / 60);
-  if (hour < 7) return 'sleep';
-  if (hour === 7) return 'meal';
-  if (hour === 8) return 'commute';
-  if (hour >= 9 && hour < 12) return chooseDaytimeActivity(message);
-  if (hour === 12) return 'meal';
-  if (hour >= 13 && hour < 17) return chooseDaytimeActivity(message);
-  if (hour === 17) return 'commute';
-  if (hour === 18) return 'meal';
-  if (hour >= 19 && hour < 21) return message.toLowerCase().includes('study') || message.includes('공부') ? 'study' : 'free-time';
-  if (hour >= 21 && hour < 23) return 'rest';
-  return 'sleep';
-}
-
-export function createTenMinuteDailySchedule(input: {
   persona: MemorySpace;
   targetDay: DateTimeInput;
   message: string;
+  blocks: ScheduleBlock[];
 }): ScheduleEntry[] {
   const target = startOfUtcDay(input.targetDay);
-  const entries: ScheduleEntry[] = [];
+  return input.blocks.map((block) => {
-
+    const [startHour, startMinute] = block.startTime.split(':').map(Number) as [number, number];
-  for (let offset = 0; offset < DAY_MS; offset += TEN_MINUTES_MS) {
+    const [endHour, endMinute] = block.endTime.split(':').map(Number) as [number, number];
-    const start = new Date(target.getTime() + offset);
+    const start = new Date(target.getTime() + ((startHour * 60 + startMinute) * 60 * 1000));
-    const end = new Date(start.getTime() + TEN_MINUTES_MS);
+    const end = new Date(target.getTime() + ((endHour * 60 + endMinute) * 60 * 1000));
-    const minute = offset / (60 * 1000);
+    return {
-    const activity = activityForMinute(minute, input.message);
-    const picked = pick(activity);
-    entries.push({
       id: crypto.randomUUID(),
       spaceId: input.persona.id,
       startAt: start.toISOString(),
       endAt: end.toISOString(),
-      activity,
+      activity: block.activity,
-      title: picked.title,
+      title: block.title,
-      description: `Realistic ${picked.title.toLowerCase()} block for ${input.persona.displayName}.`,
+      description: block.description ?? `Realistic ${block.title.toLowerCase()} block for ${input.persona.displayName}.`,
       granularity: 'ten-minute',
       sourceMessage: input.message,
       metadata: {
         boxbrainType: 'schedule-entry',
-        availabilityMode: picked.mode,
+        availabilityMode: block.availabilityMode,
         targetDate: target.toISOString().slice(0, 10),
       },
+    };
   });
 }
 
-  return entries;
+export function blocksToMonthlySchedule(input: {
-}
-
-export function createMonthlyScheduleEntries(input: {
   persona: MemorySpace;
   fromDay: DateTimeInput;
   message: string;
-  days?: number;
+  blocks: ScheduleBlock[];
 }): ScheduleEntry[] {
-  const start = scheduleTargetDay(input.fromDay);
+  const start = startOfUtcDay(input.fromDay);
-  const count = input.days ?? 30;
+  return input.blocks.map((block, day) => {
-  const entries: ScheduleEntry[] = [];
-  for (let day = 0; day < count; day += 1) {
     const dayStart = new Date(start.getTime() + day * DAY_MS);
-    const travelHint = day > 0 && day % 90 === 0 ? ' travel' : '';
+    const [startHour, startMinute] = block.startTime.split(':').map(Number) as [number, number];
-    const activity = chooseDaytimeActivity(`${input.message}${travelHint}`);
+    const [endHour, endMinute] = block.endTime.split(':').map(Number) as [number, number];
-    const picked = pick(activity);
+    const entryStart = new Date(dayStart.getTime() + ((startHour * 60 + startMinute) * 60 * 1000));
-    entries.push({
+    const entryEnd = new Date(dayStart.getTime() + ((endHour * 60 + endMinute) * 60 * 1000));
+    return {
       id: crypto.randomUUID(),
       spaceId: input.persona.id,
-      startAt: dayStart.toISOString(),
+      startAt: entryStart.toISOString(),
-      endAt: new Date(dayStart.getTime() + DAY_MS).toISOString(),
+      endAt: entryEnd.toISOString(),
-      activity,
+      activity: block.activity,
-      title: picked.title,
+      title: block.title,
-      description: `Daily outline for ${input.persona.displayName}.`,
+      description: block.description ?? `Daily outline for ${input.persona.displayName}.`,
       granularity: 'day',
       sourceMessage: input.message,
       metadata: {
         boxbrainType: 'schedule-entry',
-        availabilityMode: picked.mode,
+        availabilityMode: block.availabilityMode,
         targetDate: dayStart.toISOString().slice(0, 10),
       },
+    };
   });
 }
-  return entries;
-}
 
 export function availabilityModeForEntry(entry: ScheduleEntry): AvailabilityMode {
   const mode = entry.metadata['availabilityMode'];
   if (mode === 'online' || mode === 'do-not-disturb' || mode === 'offline') return mode;
-  if (entry.activity === 'sleep') return 'offline';
-  if (entry.activity === 'work' || entry.activity === 'study' || entry.activity === 'job-search' || entry.activity === 'travel' || entry.activity === 'commute') {
-    return 'do-not-disturb';
-  }
   return 'online';
 }
 

src/types.ts

@@ -1,22 +1,12 @@
+import type { FactExtractor } from 'identitydb';
+
 export type DateTimeInput = Date | string | number;
 
 export type PersonaConstructorMode = 'create' | 'load';
 
 export type ScheduleGranularity = 'day' | 'ten-minute';
 
-export type ScheduleActivity =
+export type ScheduleActivity = string;
-  | 'sleep'
-  | 'rest'
-  | 'meal'
-  | 'commute'
-  | 'work'
-  | 'study'
-  | 'job-search'
-  | 'travel'
-  | 'exercise'
-  | 'social'
-  | 'errand'
-  | 'free-time';
 
 export type AvailabilityMode = 'online' | 'do-not-disturb' | 'offline';
 
@@ -129,31 +119,40 @@ export interface RewriteModel {
   decide(input: RewriteDecisionInput): Promise<RewriteDecision>;
 }
 
-export interface MemoryExtractionInput {
+export interface ScheduleBlock {
+  startTime: string;
+  endTime: string;
+  activity: string;
+  title: string;
+  description?: string;
+  availabilityMode: AvailabilityMode;
+}
+
+export interface DailyScheduleGenerationInput {
   persona: MemorySpace;
-  now: string;
+  targetDay: Date;
-  formattedMessageHistory: string;
+  message: string;
-  contextFacts: StoredFact[];
   instruction: string;
 }
 
-export interface MemoryExtractionModel {
+export interface MonthlyScheduleGenerationInput {
-  extract(input: MemoryExtractionInput): Promise<FactDraft[]>;
+  persona: MemorySpace;
+  fromDay: Date;
+  message: string;
+  days: number;
+  instruction: string;
 }
 
-export interface PersonaInitializationModel {
+export interface ScheduleModel {
-  extractInitialFacts(input: {
+  generateDailySchedule(input: DailyScheduleGenerationInput): Promise<ScheduleBlock[]>;
-    displayName: string;
+  generateMonthlySchedule(input: MonthlyScheduleGenerationInput): Promise<ScheduleBlock[]>;
-    seedMessage: string;
-    now: string;
-  }): Promise<FactDraft[]>;
 }
 
 export interface PersonaModels {
-  initialization?: PersonaInitializationModel;
+  factExtractor?: FactExtractor;
   conversation?: ConversationModel;
   rewrite?: RewriteModel;
-  memoryExtraction?: MemoryExtractionModel;
+  schedule?: ScheduleModel;
 }
 
 export interface PersonaOptions {
@@ -161,6 +160,7 @@ export interface PersonaOptions {
   models?: PersonaModels;
   debug?: DebugHook;
   now?: DateTimeInput;
+  baseSystemPrompt?: string;
 }
 
 export interface BoxBrainMemoryStore {
@@ -172,4 +172,5 @@ export interface BoxBrainMemoryStore {
   saveScheduleEntries(spaceId: string, entries: ScheduleEntry[]): Promise<void>;
   listScheduleEntries(spaceId: string, fromInclusive: string, toExclusive: string): Promise<ScheduleEntry[]>;
   deleteScheduleEntriesBefore(spaceId: string, cutoffExclusive: string): Promise<number>;
+  ingestStatement(spaceId: string, statement: string, extractor: FactExtractor): Promise<StoredFact>;
 }

tests/conversation.test.ts

@@ -15,6 +15,16 @@ describe('Conversation API', () => {
             return { messages: ['카페에 있었어.', '너는 뭐해?'] };
           },
         },
+        schedule: {
+          async generateDailySchedule() {
+            return [
+              { startTime: '09:00', endTime: '18:00', activity: 'work', title: 'Work', availabilityMode: 'do-not-disturb' as const },
+            ];
+          },
+          async generateMonthlySchedule() {
+            return [];
+          },
+        },
       },
     });
     const space = await persona.ready();
@@ -45,7 +55,6 @@ describe('Conversation API', () => {
       memory,
       now: '2026-05-01T10:00:00.000Z',
       models: {
-        initialization: { async extractInitialFacts() { return []; } },
         conversation: {
           async generateReply(input) {
             memorySummary = input.context.memorySummary;
@@ -54,7 +63,8 @@ describe('Conversation API', () => {
         },
       },
     });
-    await persona.ready();
+    const space = await persona.ready();
+    memory.facts.set(space.id, []);
 
     await persona.sendMessage({
       datetime: '2026-05-01T12:00:00.000Z',
@@ -114,4 +124,30 @@ describe('Conversation API', () => {
     expect(mode).toBe('start-conversation');
     expect(started.messages).toEqual(['오늘 좀 조용하네.']);
   });
+
+  it('includes baseSystemPrompt at the start of the instruction when provided', async () => {
+    const memory = new InMemoryMemoryStore();
+    let captured: ReplyGenerationInput | undefined;
+    const persona = new Persona('Mina', 'Mina likes quiet cafes.', {
+      memory,
+      now: '2026-05-01T10:00:00.000Z',
+      baseSystemPrompt: 'You are a helpful assistant. Always be kind.',
+      models: {
+        conversation: {
+          async generateReply(input) {
+            captured = input;
+            return { messages: ['Hello!'] };
+          },
+        },
+      },
+    });
+    await persona.ready();
+
+    await persona.sendMessage({
+      datetime: '2026-05-01T12:00:00.000Z',
+      messageHistory: [{ sender: 'user', time: '2026-05-01T12:00:00.000Z', content: 'Hi' }],
+    });
+
+    expect(captured?.instruction.startsWith('You are a helpful assistant. Always be kind.')).toBe(true);
+  });
 });

tests/persona.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest';
-import { InMemoryMemoryStore, Persona, type FactDraft } from '../src';
+import { InMemoryMemoryStore, Persona } from '../src';
 
 describe('Persona initialization', () => {
   it('creates a new isolated persona space from displayName and seed message', async () => {
@@ -10,15 +10,13 @@ describe('Persona initialization', () => {
       now: '2026-05-01T10:00:00.000Z',
       debug: (event) => { debug.push(event.name); },
       models: {
-        initialization: {
+        factExtractor: {
-          async extractInitialFacts(input): Promise<FactDraft[]> {
+          async extract(input) {
-            return [
+            return {
-              {
+              statement: 'Mina likes quiet cafes.',
-                statement: `${input.displayName} likes quiet cafes.`,
+              topics: [{ name: 'persona' }, { name: 'Mina' }],
-                topics: ['persona', input.displayName],
               source: 'test',
-              },
+            };
-            ];
           },
         },
       },
@@ -31,6 +29,18 @@ describe('Persona initialization', () => {
     expect(debug).toContain('persona.initialized');
   });
 
+  it('exposes baseSystemPrompt on the persona instance when provided', async () => {
+    const memory = new InMemoryMemoryStore();
+    const persona = new Persona('Hana', 'Hana is a cheerful barista.', {
+      memory,
+      now: '2026-05-01T10:00:00.000Z',
+      baseSystemPrompt: 'You are a helpful assistant. Always be kind.',
+    });
+
+    await persona.ready();
+    expect(persona.baseSystemPrompt).toBe('You are a helpful assistant. Always be kind.');
+  });
+
   it('loads an existing persona space by space id without creating another space', async () => {
     const memory = new InMemoryMemoryStore();
     const created = new Persona('Joon', 'Joon is a freelance designer.', { memory, now: '2026-05-01T10:00:00.000Z' });

tests/schedule-utils.test.ts

@@ -0,0 +1,248 @@
+import { describe, expect, it } from 'vitest';
+import {
+  addUtcDays,
+  availabilityModeForEntry,
+  blocksToDailySchedule,
+  blocksToMonthlySchedule,
+  buildAvailabilitySnapshot,
+  dateKeysAround,
+  daysInMonth,
+  scheduleTargetDay,
+  startOfUtcDay,
+  toDate,
+  toIso,
+} from '../src';
+
+describe('toDate', () => {
+  it('accepts a Date instance', () => {
+    const original = new Date('2026-05-01T12:34:56.789Z');
+    const result = toDate(original);
+    expect(result.toISOString()).toBe('2026-05-01T12:34:56.789Z');
+  });
+
+  it('accepts an ISO string', () => {
+    const result = toDate('2026-05-01T12:00:00.000Z');
+    expect(result.toISOString()).toBe('2026-05-01T12:00:00.000Z');
+  });
+
+  it('accepts a timestamp number', () => {
+    const ts = new Date('2026-05-01T00:00:00.000Z').getTime();
+    const result = toDate(ts);
+    expect(result.toISOString()).toBe('2026-05-01T00:00:00.000Z');
+  });
+
+  it('throws on invalid input', () => {
+    expect(() => toDate('not-a-date')).toThrow('Invalid datetime: not-a-date');
+    expect(() => toDate(NaN)).toThrow('Invalid datetime: NaN');
+  });
+});
+
+describe('toIso', () => {
+  it('converts any DateTimeInput to an ISO string', () => {
+    expect(toIso(new Date('2026-05-01T12:00:00.000Z'))).toBe('2026-05-01T12:00:00.000Z');
+    expect(toIso('2026-05-01T12:00:00.000Z')).toBe('2026-05-01T12:00:00.000Z');
+  });
+});
+
+describe('startOfUtcDay', () => {
+  it('strips time to 00:00:00 UTC', () => {
+    const result = startOfUtcDay('2026-05-01T15:30:45.000Z');
+    expect(result.toISOString()).toBe('2026-05-01T00:00:00.000Z');
+  });
+
+  it('works across month boundaries', () => {
+    const result = startOfUtcDay('2026-03-31T23:59:59.999Z');
+    expect(result.toISOString()).toBe('2026-03-31T00:00:00.000Z');
+  });
+});
+
+describe('addUtcDays', () => {
+  it('adds days', () => {
+    const result = addUtcDays('2026-05-01T12:00:00.000Z', 5);
+    expect(result.toISOString()).toBe('2026-05-06T00:00:00.000Z');
+  });
+
+  it('subtracts days', () => {
+    const result = addUtcDays('2026-05-01T12:00:00.000Z', -1);
+    expect(result.toISOString()).toBe('2026-04-30T00:00:00.000Z');
+  });
+});
+
+describe('scheduleTargetDay', () => {
+  it('returns tomorrow at UTC midnight', () => {
+    const result = scheduleTargetDay('2026-05-01T10:00:00.000Z');
+    expect(result.toISOString()).toBe('2026-05-02T00:00:00.000Z');
+  });
+});
+
+describe('daysInMonth', () => {
+  it('returns 31 for January', () => {
+    expect(daysInMonth(new Date('2026-01-15T00:00:00.000Z'))).toBe(31);
+  });
+
+  it('returns 28 for February in a non-leap year', () => {
+    expect(daysInMonth(new Date('2026-02-15T00:00:00.000Z'))).toBe(28);
+  });
+
+  it('returns 29 for February in a leap year', () => {
+    expect(daysInMonth(new Date('2024-02-15T00:00:00.000Z'))).toBe(29);
+  });
+
+  it('returns 30 for April', () => {
+    expect(daysInMonth(new Date('2026-04-15T00:00:00.000Z'))).toBe(30);
+  });
+
+  it('returns 31 for December', () => {
+    expect(daysInMonth(new Date('2026-12-15T00:00:00.000Z'))).toBe(31);
+  });
+});
+
+describe('blocksToDailySchedule', () => {
+  it('converts schedule blocks to entries for the target day', () => {
+    const persona = { id: 'space-1', displayName: 'Mina', createdAt: '2026-05-01T00:00:00.000Z', metadata: {} };
+    const blocks = [
+      { startTime: '00:00', endTime: '07:00', activity: 'sleep', title: 'Sleep', availabilityMode: 'offline' as const },
+      { startTime: '07:00', endTime: '09:00', activity: 'morning routine', title: 'Morning routine', availabilityMode: 'online' as const },
+    ];
+    const entries = blocksToDailySchedule({ persona, targetDay: '2026-05-02T10:00:00.000Z', message: 'msg', blocks });
+
+    expect(entries).toHaveLength(2);
+    expect(entries[0]!.startAt).toBe('2026-05-02T00:00:00.000Z');
+    expect(entries[0]!.endAt).toBe('2026-05-02T07:00:00.000Z');
+    expect(entries[0]!.activity).toBe('sleep');
+    expect(entries[0]!.granularity).toBe('ten-minute');
+    expect(entries[0]!.metadata['availabilityMode']).toBe('offline');
+    expect(entries[1]!.startAt).toBe('2026-05-02T07:00:00.000Z');
+    expect(entries[1]!.endAt).toBe('2026-05-02T09:00:00.000Z');
+  });
+
+  it('uses block description when provided', () => {
+    const persona = { id: 'space-1', displayName: 'Mina', createdAt: '2026-05-01T00:00:00.000Z', metadata: {} };
+    const blocks = [
+      { startTime: '09:00', endTime: '18:00', activity: 'work', title: 'Work', description: 'Custom desc', availabilityMode: 'do-not-disturb' as const },
+    ];
+    const entries = blocksToDailySchedule({ persona, targetDay: '2026-05-02T00:00:00.000Z', message: 'msg', blocks });
+    expect(entries[0]!.description).toBe('Custom desc');
+  });
+
+  it('supports 24:00 as end time to reach next midnight', () => {
+    const persona = { id: 'space-1', displayName: 'Mina', createdAt: '2026-05-01T00:00:00.000Z', metadata: {} };
+    const blocks = [
+      { startTime: '18:00', endTime: '24:00', activity: 'rest', title: 'Rest', availabilityMode: 'online' as const },
+    ];
+    const entries = blocksToDailySchedule({ persona, targetDay: '2026-05-02T00:00:00.000Z', message: 'msg', blocks });
+    expect(entries[0]!.endAt).toBe('2026-05-03T00:00:00.000Z');
+  });
+});
+
+describe('blocksToMonthlySchedule', () => {
+  it('maps each block to consecutive days starting from fromDay', () => {
+    const persona = { id: 'space-1', displayName: 'Mina', createdAt: '2026-05-01T00:00:00.000Z', metadata: {} };
+    const blocks = [
+      { startTime: '00:00', endTime: '24:00', activity: 'work', title: 'Work', availabilityMode: 'do-not-disturb' as const },
+      { startTime: '00:00', endTime: '24:00', activity: 'rest', title: 'Rest', availabilityMode: 'online' as const },
+    ];
+    const entries = blocksToMonthlySchedule({ persona, fromDay: '2026-05-02T00:00:00.000Z', message: 'msg', blocks });
+
+    expect(entries).toHaveLength(2);
+    expect(entries[0]!.startAt).toBe('2026-05-02T00:00:00.000Z');
+    expect(entries[0]!.endAt).toBe('2026-05-03T00:00:00.000Z');
+    expect(entries[1]!.startAt).toBe('2026-05-03T00:00:00.000Z');
+    expect(entries[1]!.endAt).toBe('2026-05-04T00:00:00.000Z');
+    expect(entries[0]!.granularity).toBe('day');
+  });
+});
+
+describe('availabilityModeForEntry', () => {
+  it('reads availabilityMode from metadata', () => {
+    expect(
+      availabilityModeForEntry({
+        id: '1', spaceId: 's', startAt: '', endAt: '', activity: 'anything', title: '', granularity: 'day', metadata: { availabilityMode: 'offline' },
+      }),
+    ).toBe('offline');
+    expect(
+      availabilityModeForEntry({
+        id: '1', spaceId: 's', startAt: '', endAt: '', activity: 'anything', title: '', granularity: 'day', metadata: { availabilityMode: 'do-not-disturb' },
+      }),
+    ).toBe('do-not-disturb');
+    expect(
+      availabilityModeForEntry({
+        id: '1', spaceId: 's', startAt: '', endAt: '', activity: 'anything', title: '', granularity: 'day', metadata: { availabilityMode: 'online' },
+      }),
+    ).toBe('online');
+  });
+
+  it('falls back to online when metadata is missing or invalid', () => {
+    expect(
+      availabilityModeForEntry({
+        id: '1', spaceId: 's', startAt: '', endAt: '', activity: 'work', title: '', granularity: 'day', metadata: {},
+      }),
+    ).toBe('online');
+    expect(
+      availabilityModeForEntry({
+        id: '1', spaceId: 's', startAt: '', endAt: '', activity: 'sleep', title: '', granularity: 'day', metadata: { availabilityMode: 'invalid' },
+      }),
+    ).toBe('online');
+  });
+});
+
+describe('buildAvailabilitySnapshot', () => {
+  it('filters, sorts, and merges contiguous ranges with the same mode', () => {
+    const entries = [
+      {
+        id: 'e1', spaceId: 's', startAt: '2026-05-01T00:00:00.000Z', endAt: '2026-05-01T06:00:00.000Z',
+        activity: 'sleep', title: 'Sleep', granularity: 'ten-minute' as const, metadata: { availabilityMode: 'offline' },
+      },
+      {
+        id: 'e2', spaceId: 's', startAt: '2026-05-01T06:00:00.000Z', endAt: '2026-05-01T12:00:00.000Z',
+        activity: 'work', title: 'Work', granularity: 'ten-minute' as const, metadata: { availabilityMode: 'do-not-disturb' },
+      },
+      {
+        id: 'e3', spaceId: 's', startAt: '2026-05-01T12:00:00.000Z', endAt: '2026-05-01T18:00:00.000Z',
+        activity: 'work', title: 'Work', granularity: 'ten-minute' as const, metadata: { availabilityMode: 'do-not-disturb' },
+      },
+      {
+        id: 'e4', spaceId: 's', startAt: '2026-05-01T18:00:00.000Z', endAt: '2026-05-02T00:00:00.000Z',
+        activity: 'rest', title: 'Rest', granularity: 'ten-minute' as const, metadata: { availabilityMode: 'online' },
+      },
+    ];
+
+    const snapshot = buildAvailabilitySnapshot({ now: '2026-05-01T12:00:00.000Z', entries });
+
+    expect(snapshot.windowStartAt).toBe('2026-05-01T00:00:00.000Z');
+    expect(snapshot.windowEndAt).toBe('2026-05-03T00:00:00.000Z');
+    expect(snapshot.ranges).toHaveLength(3);
+    expect(snapshot.ranges[0]).toMatchObject({ startAt: '2026-05-01T00:00:00.000Z', endAt: '2026-05-01T06:00:00.000Z', mode: 'offline' });
+    expect(snapshot.ranges[1]).toMatchObject({ startAt: '2026-05-01T06:00:00.000Z', endAt: '2026-05-01T18:00:00.000Z', mode: 'do-not-disturb' });
+    expect(snapshot.ranges[2]).toMatchObject({ startAt: '2026-05-01T18:00:00.000Z', endAt: '2026-05-02T00:00:00.000Z', mode: 'online' });
+  });
+
+  it('excludes entries outside the 2-day window', () => {
+    const entries = [
+      {
+        id: 'e1', spaceId: 's', startAt: '2026-04-30T00:00:00.000Z', endAt: '2026-04-30T23:59:59.000Z',
+        activity: 'sleep', title: 'Sleep', granularity: 'day' as const, metadata: { availabilityMode: 'offline' },
+      },
+      {
+        id: 'e2', spaceId: 's', startAt: '2026-05-01T00:00:00.000Z', endAt: '2026-05-02T00:00:00.000Z',
+        activity: 'work', title: 'Work', granularity: 'day' as const, metadata: { availabilityMode: 'do-not-disturb' },
+      },
+    ];
+
+    const snapshot = buildAvailabilitySnapshot({ now: '2026-05-01T12:00:00.000Z', entries });
+    expect(snapshot.ranges).toHaveLength(1);
+    expect(snapshot.ranges[0]!.startAt).toBe('2026-05-01T00:00:00.000Z');
+  });
+});
+
+describe('dateKeysAround', () => {
+  it('returns yesterday, today, and tomorrow as YYYY-MM-DD strings', () => {
+    const keys = dateKeysAround('2026-05-01T12:00:00.000Z');
+    expect(keys).toEqual(['2026-04-30', '2026-05-01', '2026-05-02']);
+  });
+
+  it('handles month boundaries correctly', () => {
+    const keys = dateKeysAround('2026-03-01T00:00:00.000Z');
+    expect(keys).toEqual(['2026-02-28', '2026-03-01', '2026-03-02']);
+  });
+});

tests/schedule.test.ts

@@ -4,25 +4,63 @@ import { InMemoryMemoryStore, Persona } from '../src';
 describe('Persona schedules and availability', () => {
   it('creates tomorrow as a ten-minute daily schedule and persists it in memory', async () => {
     const memory = new InMemoryMemoryStore();
-    const persona = new Persona('Mina', 'Mina works weekdays and studies at night.', { memory, now: '2026-05-01T10:00:00.000Z' });
+    const persona = new Persona('Mina', 'Mina works weekdays and studies at night.', {
+      memory,
+      now: '2026-05-01T10:00:00.000Z',
+      models: {
+        schedule: {
+          async generateDailySchedule() {
+            return [
+              { startTime: '00:00', endTime: '07:00', activity: 'sleep', title: 'Sleep', availabilityMode: 'offline' as const },
+              { startTime: '07:00', endTime: '09:00', activity: 'morning routine', title: 'Morning routine', availabilityMode: 'online' as const },
+              { startTime: '09:00', endTime: '18:00', activity: 'deep work', title: 'Deep work', availabilityMode: 'do-not-disturb' as const },
+              { startTime: '18:00', endTime: '24:00', activity: 'free time', title: 'Free time', availabilityMode: 'online' as const },
+            ];
+          },
+          async generateMonthlySchedule() {
+            return [];
+          },
+        },
+      },
+    });
     const space = await persona.ready();
 
     const entries = await persona.createDailySchedule('2026-05-01T10:00:00.000Z', 'Keep a normal work day.');
 
-    expect(entries).toHaveLength(144);
+    expect(entries).toHaveLength(4);
     expect(entries[0]).toMatchObject({
       spaceId: space.id,
       startAt: '2026-05-02T00:00:00.000Z',
-      endAt: '2026-05-02T00:10:00.000Z',
+      endAt: '2026-05-02T07:00:00.000Z',
       granularity: 'ten-minute',
+      activity: 'sleep',
     });
     expect(entries.at(-1)?.endAt).toBe('2026-05-03T00:00:00.000Z');
-    await expect(memory.listScheduleEntries(space.id, '2026-05-02T00:00:00.000Z', '2026-05-03T00:00:00.000Z')).resolves.toHaveLength(144);
+    await expect(
+      memory.listScheduleEntries(space.id, '2026-05-02T00:00:00.000Z', '2026-05-03T00:00:00.000Z'),
+    ).resolves.toHaveLength(4);
   });
 
   it('derives online, do-not-disturb, and offline availability from the in-memory schedule window', async () => {
     const memory = new InMemoryMemoryStore();
-    const persona = new Persona('Mina', 'Mina works weekdays and studies at night.', { memory, now: '2026-05-01T10:00:00.000Z' });
+    const persona = new Persona('Mina', 'Mina works weekdays and studies at night.', {
+      memory,
+      now: '2026-05-01T10:00:00.000Z',
+      models: {
+        schedule: {
+          async generateDailySchedule() {
+            return [
+              { startTime: '00:00', endTime: '07:00', activity: 'sleep', title: 'Sleep', availabilityMode: 'offline' as const },
+              { startTime: '07:00', endTime: '09:00', activity: 'morning routine', title: 'Morning routine', availabilityMode: 'online' as const },
+              { startTime: '09:00', endTime: '18:00', activity: 'deep work', title: 'Deep work', availabilityMode: 'do-not-disturb' as const },
+            ];
+          },
+          async generateMonthlySchedule() {
+            return [];
+          },
+        },
+      },
+    });
     await persona.ready();
 
     await persona.createDailySchedule('2026-05-01T10:00:00.000Z', 'Keep a normal work day.');
@@ -30,21 +68,46 @@ describe('Persona schedules and availability', () => {
 
     expect(availability.windowStartAt).toBe('2026-05-01T00:00:00.000Z');
     expect(availability.windowEndAt).toBe('2026-05-03T00:00:00.000Z');
-    expect(new Set(availability.ranges.map((range) => range.mode))).toEqual(new Set(['offline', 'online', 'do-not-disturb']));
+    expect(new Set(availability.ranges.map((range) => range.mode))).toEqual(
-    expect(availability.ranges.find((range) => range.mode === 'offline')?.startAt).toBe('2026-05-02T00:00:00.000Z');
+      new Set(['offline', 'online', 'do-not-disturb']),
+    );
+    expect(availability.ranges.find((range) => range.mode === 'offline')?.startAt).toBe(
+      '2026-05-02T00:00:00.000Z',
+    );
   });
 
   it('prunes schedule entries before a caller-provided cutoff', async () => {
     const memory = new InMemoryMemoryStore();
-    const persona = new Persona('Mina', 'Mina works weekdays.', { memory, now: '2026-05-01T10:00:00.000Z' });
+    const persona = new Persona('Mina', 'Mina works weekdays.', {
+      memory,
+      now: '2026-05-01T10:00:00.000Z',
+      models: {
+        schedule: {
+          async generateDailySchedule() {
+            return [
+              { startTime: '00:00', endTime: '06:00', activity: 'sleep', title: 'Sleep', availabilityMode: 'offline' as const },
+              { startTime: '06:00', endTime: '12:00', activity: 'work', title: 'Work', availabilityMode: 'do-not-disturb' as const },
+              { startTime: '12:00', endTime: '18:00', activity: 'study', title: 'Study', availabilityMode: 'do-not-disturb' as const },
+              { startTime: '18:00', endTime: '24:00', activity: 'rest', title: 'Rest', availabilityMode: 'online' as const },
+            ];
+          },
+          async generateMonthlySchedule() {
+            return [];
+          },
+        },
+      },
+    });
     const space = await persona.ready();
     await persona.createDailySchedule('2026-05-01T10:00:00.000Z', 'Keep a normal work day.');
 
     const deleted = await persona.deleteSchedulesBefore('2026-05-02T12:00:00.000Z');
 
-    expect(deleted).toBe(72);
+    expect(deleted).toBe(2);
-    await expect(memory.listScheduleEntries(space.id, '2026-05-02T00:00:00.000Z', '2026-05-03T00:00:00.000Z')).resolves.toHaveLength(72);
+    await expect(
+      memory.listScheduleEntries(space.id, '2026-05-02T00:00:00.000Z', '2026-05-03T00:00:00.000Z'),
+    ).resolves.toHaveLength(2);
     const deletionFacts = await memory.findFacts(space.id, ['persona.schedule.deleted']);
-    expect(deletionFacts[0]?.metadata?.['deleted']).toBe(72);
+    expect(deletionFacts[0]?.metadata?.['deleted']).toBe(2);
   });
+
 });

tests/sleep-memory.test.ts

@@ -8,17 +8,18 @@ describe('sleepMemory', () => {
       memory,
       now: '2026-05-01T10:00:00.000Z',
       models: {
-        memoryExtraction: {
+        factExtractor: {
           async extract(input) {
-            expect(input.formattedMessageHistory).toContain('user@2026-05-01T15:00:00.000Z: 나는 타입스크립트를 2025년부터 시작했어');
+            if (input.includes('Seed:')) {
-            expect(input.instruction).toContain('Objectivize');
+              return { statement: 'Mina remembers stable details.', topics: [{ name: 'persona' }, { name: 'Mina' }] };
-            return [
+            }
-              {
+            expect(input).toContain('user@2026-05-01T15:00:00.000Z: 나는 타입스크립트를 2025년부터 시작했어');
+            expect(input).toContain('Objectivize');
+            return {
               statement: 'The user started TypeScript in 2025.',
-                topics: ['user', 'TypeScript', '2025'],
+              topics: [{ name: 'user' }, { name: 'TypeScript' }, { name: '2025' }],
               confidence: 0.9,
-              },
+            };
-            ];
           },
         },
       },