feat: auth middleware, brain data layer, Valkey queue (P1-002/003/004) (#71)

Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>

packages/brain/src/index.ts

@@ -1 +1,22 @@
-export const VERSION = '0.0.0';
+export { createBrain, type Brain } from './brain.js';
+export {
+  createProjectsRepo,
+  type ProjectsRepo,
+  type Project,
+  type NewProject,
+} from './projects.js';
+export {
+  createMissionsRepo,
+  type MissionsRepo,
+  type Mission,
+  type NewMission,
+} from './missions.js';
+export { createTasksRepo, type TasksRepo, type Task, type NewTask } from './tasks.js';
+export {
+  createConversationsRepo,
+  type ConversationsRepo,
+  type Conversation,
+  type NewConversation,
+  type Message,
+  type NewMessage,
+} from './conversations.js';