🔧 fix(chat): update schema for Better Auth nanoid user IDs

- Change userId columns from uuid to text to support Better Auth's nanoid format
- Update conversations, spaces, space_members, templates, usage_logs schemas
- Fix web API endpoint path from /api to /api/v1

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

apps/chat/apps/backend/src/db/schema/conversations.schema.ts

@@ -10,7 +10,7 @@ export const conversationModeEnum = pgEnum('conversation_mode', ['free', 'guided
 
 export const conversations = pgTable('conversations', {
 	id: uuid('id').primaryKey().defaultRandom(),
-	userId: uuid('user_id').notNull(),
+	userId: text('user_id').notNull(), // TEXT to support Better Auth nanoid format
 	modelId: uuid('model_id').references(() => models.id),
 	templateId: uuid('template_id').references(() => templates.id),
 	spaceId: uuid('space_id').references(() => spaces.id, { onDelete: 'set null' }),

apps/chat/apps/backend/src/db/schema/spaces.schema.ts

@@ -10,7 +10,7 @@ export const invitationStatusEnum = pgEnum('invitation_status', [
 
 export const spaces = pgTable('spaces', {
 	id: uuid('id').primaryKey().defaultRandom(),
-	ownerId: uuid('owner_id').notNull(),
+	ownerId: text('owner_id').notNull(), // TEXT to support Better Auth nanoid format
 	name: text('name').notNull(),
 	description: text('description'),
 	isArchived: boolean('is_archived').default(false).notNull(),
@@ -23,10 +23,10 @@ export const spaceMembers = pgTable('space_members', {
 	spaceId: uuid('space_id')
 		.references(() => spaces.id, { onDelete: 'cascade' })
 		.notNull(),
-	userId: uuid('user_id').notNull(),
+	userId: text('user_id').notNull(), // TEXT to support Better Auth nanoid format
 	role: memberRoleEnum('role').default('member').notNull(),
 	invitationStatus: invitationStatusEnum('invitation_status').default('pending').notNull(),
-	invitedBy: uuid('invited_by'),
+	invitedBy: text('invited_by'), // TEXT to support Better Auth nanoid format
 	invitedAt: timestamp('invited_at', { withTimezone: true }).defaultNow().notNull(),
 	joinedAt: timestamp('joined_at', { withTimezone: true }),
 	createdAt: timestamp('created_at', { withTimezone: true }).defaultNow().notNull(),

apps/chat/apps/backend/src/db/schema/templates.schema.ts

@@ -4,7 +4,7 @@ import { models } from './models.schema';
 
 export const templates = pgTable('templates', {
 	id: uuid('id').primaryKey().defaultRandom(),
-	userId: uuid('user_id').notNull(),
+	userId: text('user_id').notNull(), // TEXT to support Better Auth nanoid format
 	name: text('name').notNull(),
 	description: text('description'),
 	systemPrompt: text('system_prompt').notNull(),

apps/chat/apps/backend/src/db/schema/usage-logs.schema.ts

@@ -1,4 +1,4 @@
-import { pgTable, uuid, timestamp, integer, numeric } from 'drizzle-orm/pg-core';
+import { pgTable, uuid, text, timestamp, integer, numeric } from 'drizzle-orm/pg-core';
 import { relations } from 'drizzle-orm';
 import { conversations } from './conversations.schema';
 import { messages } from './messages.schema';
@@ -12,7 +12,7 @@ export const usageLogs = pgTable('usage_logs', {
 	messageId: uuid('message_id')
 		.references(() => messages.id, { onDelete: 'cascade' })
 		.notNull(),
-	userId: uuid('user_id').notNull(),
+	userId: text('user_id').notNull(), // TEXT to support Better Auth nanoid format
 	modelId: uuid('model_id').references(() => models.id),
 	promptTokens: integer('prompt_tokens').default(0).notNull(),
 	completionTokens: integer('completion_tokens').default(0).notNull(),

apps/chat/apps/web/src/lib/services/api.ts

@@ -58,7 +58,7 @@ async function fetchApi<T>(
 	}
 
 	try {
-		const response = await fetch(`${API_BASE}/api${endpoint}`, {
+		const response = await fetch(`${API_BASE}/api/v1${endpoint}`, {
 			method,
 			headers: {
 				'Content-Type': 'application/json',