diff --git a/apps/api/drizzle.presi.config.ts b/apps/api/drizzle.presi.config.ts
new file mode 100644
index 000000000..f73c7e5ac
--- /dev/null
+++ b/apps/api/drizzle.presi.config.ts
@@ -0,0 +1,11 @@
+import { defineConfig } from 'drizzle-kit';
+
+export default defineConfig({
+	schema: './src/modules/presi/schema.ts',
+	out: './drizzle/presi',
+	dialect: 'postgresql',
+	dbCredentials: {
+		url: process.env.DATABASE_URL || 'postgresql://mana:devpassword@localhost:5432/mana_platform',
+	},
+	schemaFilter: ['presi'],
+});
diff --git a/apps/api/package.json b/apps/api/package.json
index beac6ebc8..714b2e365 100644
--- a/apps/api/package.json
+++ b/apps/api/package.json
@@ -9,7 +9,8 @@
 		"start": "bun run dist/index.js",
 		"type-check": "tsc --noEmit",
 		"db:generate": "drizzle-kit generate",
-		"db:push": "drizzle-kit push"
+		"db:push": "drizzle-kit push",
+		"db:push:presi": "drizzle-kit push --config=drizzle.presi.config.ts"
 	},
 	"dependencies": {
 		"@ai-sdk/openai-compatible": "^2.0.41",
diff --git a/apps/api/src/modules/presi/routes.ts b/apps/api/src/modules/presi/routes.ts
index 641e18164..fcfd0a4f9 100644
--- a/apps/api/src/modules/presi/routes.ts
+++ b/apps/api/src/modules/presi/routes.ts
@@ -14,80 +14,20 @@ import type { AuthVariables } from '@mana/shared-hono';
 import { drizzle } from 'drizzle-orm/postgres-js';
 import postgres from 'postgres';
 import {
-	pgSchema,
-	uuid,
-	text,
-	boolean,
-	timestamp,
-	integer,
-	jsonb,
-	index,
-} from 'drizzle-orm/pg-core';
-import { relations } from 'drizzle-orm';
+	decks,
+	slides,
+	themes,
+	sharedDecks,
+	decksRelations,
+	slidesRelations,
+	sharedDecksRelations,
+} from './schema.js';
 
-// ─── DB Schema (read-only for share lookups) ────────────────
+// ─── DB Connection ─────────────────────────────────────────
 
 const DATABASE_URL =
 	process.env.DATABASE_URL ?? 'postgresql://mana:devpassword@localhost:5432/mana_platform';
 
-const presiSchema = pgSchema('presi');
-
-const decks = presiSchema.table('decks', {
-	id: uuid('id').primaryKey().defaultRandom(),
-	userId: text('user_id').notNull(),
-	title: text('title').notNull(),
-	description: text('description'),
-	themeId: uuid('theme_id'),
-	isPublic: boolean('is_public').default(false).notNull(),
-	createdAt: timestamp('created_at', { withTimezone: true }).defaultNow().notNull(),
-	updatedAt: timestamp('updated_at', { withTimezone: true }).defaultNow().notNull(),
-});
-
-const slides = presiSchema.table(
-	'slides',
-	{
-		id: uuid('id').primaryKey().defaultRandom(),
-		deckId: uuid('deck_id').notNull(),
-		order: integer('order').default(0).notNull(),
-		content: jsonb('content'),
-		createdAt: timestamp('created_at', { withTimezone: true }).defaultNow().notNull(),
-	},
-	(table) => [index('slides_deck_order_api_idx').on(table.deckId, table.order)]
-);
-
-const themes = presiSchema.table('themes', {
-	id: uuid('id').primaryKey().defaultRandom(),
-	name: text('name').notNull(),
-	colors: jsonb('colors'),
-	fonts: jsonb('fonts'),
-	isDefault: boolean('is_default').default(false),
-});
-
-const sharedDecks = presiSchema.table(
-	'shared_decks',
-	{
-		id: uuid('id').primaryKey().defaultRandom(),
-		deckId: uuid('deck_id').notNull(),
-		shareCode: text('share_code').notNull().unique(),
-		expiresAt: timestamp('expires_at', { withTimezone: true }),
-		createdAt: timestamp('created_at', { withTimezone: true }).defaultNow().notNull(),
-	},
-	(table) => [index('shared_decks_deck_id_api_idx').on(table.deckId)]
-);
-
-const decksRelations = relations(decks, ({ many }) => ({
-	slides: many(slides),
-	sharedDecks: many(sharedDecks),
-}));
-
-const slidesRelations = relations(slides, ({ one }) => ({
-	deck: one(decks, { fields: [slides.deckId], references: [decks.id] }),
-}));
-
-const sharedDecksRelations = relations(sharedDecks, ({ one }) => ({
-	deck: one(decks, { fields: [sharedDecks.deckId], references: [decks.id] }),
-}));
-
 const connection = postgres(DATABASE_URL, { max: 5, idle_timeout: 20 });
 const db = drizzle(connection, {
 	schema: {
diff --git a/apps/api/src/modules/presi/schema.ts b/apps/api/src/modules/presi/schema.ts
new file mode 100644
index 000000000..946540224
--- /dev/null
+++ b/apps/api/src/modules/presi/schema.ts
@@ -0,0 +1,76 @@
+/**
+ * Presi module — DB schema
+ *
+ * Lives in mana_platform under its own pgSchema('presi').
+ * Shared between routes.ts (runtime) and drizzle-kit (migrations/push).
+ */
+
+import {
+	pgSchema,
+	uuid,
+	text,
+	boolean,
+	timestamp,
+	integer,
+	jsonb,
+	index,
+} from 'drizzle-orm/pg-core';
+import { relations } from 'drizzle-orm';
+
+export const presiSchema = pgSchema('presi');
+
+export const decks = presiSchema.table('decks', {
+	id: uuid('id').primaryKey().defaultRandom(),
+	userId: text('user_id').notNull(),
+	title: text('title').notNull(),
+	description: text('description'),
+	themeId: uuid('theme_id'),
+	isPublic: boolean('is_public').default(false).notNull(),
+	createdAt: timestamp('created_at', { withTimezone: true }).defaultNow().notNull(),
+	updatedAt: timestamp('updated_at', { withTimezone: true }).defaultNow().notNull(),
+});
+
+export const slides = presiSchema.table(
+	'slides',
+	{
+		id: uuid('id').primaryKey().defaultRandom(),
+		deckId: uuid('deck_id').notNull(),
+		order: integer('order').default(0).notNull(),
+		content: jsonb('content'),
+		createdAt: timestamp('created_at', { withTimezone: true }).defaultNow().notNull(),
+	},
+	(table) => [index('slides_deck_order_api_idx').on(table.deckId, table.order)]
+);
+
+export const themes = presiSchema.table('themes', {
+	id: uuid('id').primaryKey().defaultRandom(),
+	name: text('name').notNull(),
+	colors: jsonb('colors'),
+	fonts: jsonb('fonts'),
+	isDefault: boolean('is_default').default(false),
+});
+
+export const sharedDecks = presiSchema.table(
+	'shared_decks',
+	{
+		id: uuid('id').primaryKey().defaultRandom(),
+		deckId: uuid('deck_id').notNull(),
+		shareCode: text('share_code').notNull().unique(),
+		expiresAt: timestamp('expires_at', { withTimezone: true }),
+		createdAt: timestamp('created_at', { withTimezone: true }).defaultNow().notNull(),
+	},
+	(table) => [index('shared_decks_deck_id_api_idx').on(table.deckId)]
+);
+
+export const decksRelations = relations(decks, ({ many }) => ({
+	slides: many(slides),
+	sharedDecks: many(sharedDecks),
+}));
+
+export const slidesRelations = relations(slides, ({ one }) => ({
+	deck: one(decks, { fields: [slides.deckId], references: [decks.id] }),
+}));
+
+export const sharedDecksRelations = relations(sharedDecks, ({ one }) => ({
+	deck: one(decks, { fields: [sharedDecks.deckId], references: [decks.id] }),
+}));
diff --git a/apps/api/tsconfig.json b/apps/api/tsconfig.json
index dc685b741..f036200b3 100644
--- a/apps/api/tsconfig.json
+++ b/apps/api/tsconfig.json
@@ -10,5 +10,5 @@
 		"rootDir": "src",
 		"types": ["bun-types"]
 	},
-	"include": ["src/**/*.ts", "scripts/**/*.ts"]
+	"include": ["src/**/*.ts", "scripts/**/*.ts", "drizzle.*.config.ts"]
 }
diff --git a/apps/presi/package.json b/apps/presi/package.json
index ea207f3a6..586403116 100644
--- a/apps/presi/package.json
+++ b/apps/presi/package.json
@@ -4,8 +4,8 @@
 	"private": true,
 	"scripts": {
 		"dev": "pnpm --filter '@presi/*' run dev",
-		"db:push": "pnpm --filter @presi/backend db:push",
-		"db:studio": "pnpm --filter @presi/backend db:studio"
+		"db:push": "pnpm --filter @mana/api db:push:presi",
+		"db:studio": "drizzle-kit studio --config=../../apps/api/drizzle.presi.config.ts"
 	},
 	"devDependencies": {
 		"typescript": "^5.7.2"
diff --git a/scripts/setup-databases.sh b/scripts/setup-databases.sh
index 95560c6cd..769adf4c3 100755
--- a/scripts/setup-databases.sh
+++ b/scripts/setup-databases.sh
@@ -54,9 +54,10 @@ create_schema_if_not_exists() {
 push_schema() {
     local filter=$1
     local name=$2
+    local script=${3:-db:push}
     echo -e "${YELLOW}Pushing schema for ${name}...${NC}"
     local output
-    output=$(pnpm --filter "$filter" db:push --force 2>&1)
+    output=$(pnpm --filter "$filter" "$script" --force 2>&1)
     local exit_code=$?
     if echo "$output" | grep -q "No projects matched the filters\|None of the selected packages has"; then
         echo -e "  ${YELLOW}⊘ Skipped (no db:push script for ${filter})${NC}"
@@ -117,7 +118,7 @@ setup_service() {
             push_schema "@traces/server" "traces"
             ;;
         presi)
-            push_schema "@presi/server" "presi"
+            push_schema "@mana/api" "presi" "db:push:presi"
             ;;
         uload)
             push_schema "@mana/uload-database" "uload"