feat(repos): agents (+ tokens + caps), conversations, messages

tests/repos/agents.test.js

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+import { describe, it, expect, beforeEach } from 'vitest';
+import { resetDb } from '../helpers/db.js';
+import { migrateUp } from '../../lib/db/migrate.js';
+import * as agents from '../../lib/db/repos/agents.js';
+
+const owner = { kind: 'user', id: null };
+beforeEach(async () => { await resetDb(); await migrateUp(); });
+
+describe('agents repo', () => {
+  it('creates agent with default capabilities', async () => {
+    const a = await agents.create({ slug: 'mercy', name: 'Mercy', kind: 'claude' }, owner);
+    expect(a.capabilities.read).toBe(true);
+    expect(a.capabilities.write).toBe(false);
+  });
+
+  it('createToken returns plaintext, verifyToken finds the agent', async () => {
+    const a = await agents.create({ slug: 'mercy', name: 'Mercy', kind: 'claude' }, owner);
+    const { token, id } = await agents.createToken(a.id, 'default');
+    expect(token).toMatch(/^vk_/);
+    const found = await agents.verifyToken(token);
+    expect(found?.id).toBe(a.id);
+  });
+
+  it('revoked token does not verify', async () => {
+    const a = await agents.create({ slug: 'mercy', name: 'Mercy', kind: 'claude' }, owner);
+    const { token, id } = await agents.createToken(a.id, 'default');
+    await agents.revokeToken(id);
+    expect(await agents.verifyToken(token)).toBeNull();
+  });
+
+  it('setCapabilities updates the jsonb', async () => {
+    const a = await agents.create({ slug: 'mercy', name: 'Mercy', kind: 'claude' }, owner);
+    const u = await agents.setCapabilities(a.id, { read: true, suggest: true, write: true }, { pages: true });
+    expect(u.capabilities.write).toBe(true);
+    expect(u.scopes.pages).toBe(true);
+  });
+});

tests/repos/conversations.test.js

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+import { describe, it, expect, beforeEach } from 'vitest';
+import { resetDb } from '../helpers/db.js';
+import { migrateUp } from '../../lib/db/migrate.js';
+import * as agents from '../../lib/db/repos/agents.js';
+import * as conversations from '../../lib/db/repos/conversations.js';
+import * as messages from '../../lib/db/repos/messages.js';
+
+const owner = { kind: 'user', id: null };
+beforeEach(async () => { await resetDb(); await migrateUp(); });
+
+describe('conversations + messages', () => {
+  it('creates a conversation and appends messages', async () => {
+    const a = await agents.create({ slug: 'mercy', name: 'Mercy', kind: 'claude' }, owner);
+    const c = await conversations.create({ title: 'hi', agent_id: a.id }, owner);
+    const m1 = await messages.append(c.id, { role: 'user', body: 'hello' });
+    const m2 = await messages.append(c.id, { role: 'assistant', body: 'hi', agent_id: a.id });
+    const list = await messages.listByConversation(c.id);
+    expect(list).toHaveLength(2);
+    expect(list[0].id).toBe(m1.id);
+  });
+});