From 8af01724d75eef748d689be7b0871368d9328c10 Mon Sep 17 00:00:00 2001
From: Wuesteon <nils.weiser@outlook.com>
Date: Tue, 9 Dec 2025 02:13:11 +0100
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20feat(db):=20add=20production-safe?=
 =?UTF-8?q?=20migration=20system=20with=20advisory=20locks?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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- Add migrate.ts script with PostgreSQL advisory locks to prevent concurrent migrations
- Add retry logic with exponential backoff for transient connection errors
- Update CI/CD workflows to run migrations before deployment with health polling
- Create comprehensive DATABASE_MIGRATIONS.md documentation covering:
  - Drizzle ORM internals (push vs generate/migrate modes)
  - Migration tracking (journal files, __drizzle_migrations table)
  - Advisory lock architecture and timeout handling
  - Zero-downtime migration patterns (expand-contract)
  - Troubleshooting guide
- Update .claude/guidelines/database.md with migration quick reference
- Remove stale migration files that caused schema conflicts
---
 .claude/guidelines/database.md                |  105 +-
 .github/workflows/cd-production.yml           |   48 +-
 .github/workflows/cd-staging.yml              |  243 ++-
 CLAUDE.md                                     |    1 +
 docs/DATABASE_MIGRATIONS.md                   |  667 ++++++++
 services/mana-core-auth/CLAUDE.md             |   14 +-
 services/mana-core-auth/package.json          |    2 +
 services/mana-core-auth/src/db/migrate.ts     |  222 +++
 .../src/db/migrations/0001_zippy_ma_gnuci.sql |   39 -
 .../src/db/migrations/meta/0001_snapshot.json | 1501 -----------------
 10 files changed, 1146 insertions(+), 1696 deletions(-)
 create mode 100644 docs/DATABASE_MIGRATIONS.md
 create mode 100644 services/mana-core-auth/src/db/migrate.ts
 delete mode 100644 services/mana-core-auth/src/db/migrations/0001_zippy_ma_gnuci.sql
 delete mode 100644 services/mana-core-auth/src/db/migrations/meta/0001_snapshot.json

diff --git a/.claude/guidelines/database.md b/.claude/guidelines/database.md
index 49bfbebf4..a503f86cd 100644
--- a/.claude/guidelines/database.md
+++ b/.claude/guidelines/database.md
@@ -349,6 +349,15 @@ async function getPaginated(
 
 ## Migrations
 
+> **Comprehensive Documentation**: See **[docs/DATABASE_MIGRATIONS.md](/docs/DATABASE_MIGRATIONS.md)** for full migration internals, CI/CD integration, zero-downtime patterns, and troubleshooting.
+
+### Quick Reference
+
+| Environment     | Command           | Purpose                         |
+| --------------- | ----------------- | ------------------------------- |
+| **Development** | `pnpm db:push`    | Fast iteration, direct sync     |
+| **Production**  | `pnpm db:migrate` | Tracked migrations with history |
+
 ### Configuration
 
 ```typescript
@@ -358,9 +367,9 @@ import { defineConfig } from 'drizzle-kit';
 export default defineConfig({
 	schema: './src/db/schema/index.ts',
 	out: './src/db/migrations',
-	driver: 'pg',
+	dialect: 'postgresql',
 	dbCredentials: {
-		connectionString: process.env.DATABASE_URL!,
+		url: process.env.DATABASE_URL!,
 	},
 	verbose: true,
 	strict: true,
@@ -370,41 +379,85 @@ export default defineConfig({
 ### Commands
 
 ```bash
-# Generate migration from schema changes
-pnpm drizzle-kit generate
+# Development - push schema directly (fast, no history)
+pnpm db:push
 
-# Push schema directly (development only)
-pnpm drizzle-kit push
-
-# Open Drizzle Studio
-pnpm drizzle-kit studio
-
-# Run migrations (production)
+# Production - generate and run migrations
+pnpm db:generate --name add_user_preferences
 pnpm db:migrate
+
+# Open Drizzle Studio for database inspection
+pnpm db:studio
 ```
 
-### Migration Runner
+### Migration Workflow
+
+```
+┌─────────────────────────────────────────────────────────────────┐
+│                    Which command should I use?                   │
+├─────────────────────────────────────────────────────────────────┤
+│                                                                  │
+│  Local development?                                              │
+│  └── YES → pnpm db:push (fast, no tracking)                     │
+│                                                                  │
+│  Staging/Production?                                             │
+│  └── YES → pnpm db:generate + pnpm db:migrate (tracked)         │
+│                                                                  │
+│  Schema changed by someone else?                                 │
+│  └── YES → git pull + pnpm db:push (local)                      │
+│            git pull + pnpm db:migrate (staging/prod)            │
+│                                                                  │
+└─────────────────────────────────────────────────────────────────┘
+```
+
+### Key Concepts
+
+1. **Advisory Locks**: Migrations use PostgreSQL advisory locks to prevent concurrent execution
+2. **Migration Tracking**: `__drizzle_migrations` table + `meta/_journal.json` file
+3. **Migrations run BEFORE code deployment**: Ensures database is ready for new code
+4. **Never modify applied migrations**: Create new migrations instead
+5. **Zero-downtime**: Use expand-contract pattern for breaking schema changes
+
+### Production Migration Script
+
+Production backends use a migration script with advisory locks:
 
 ```typescript
-// src/db/migrate.ts
-import { drizzle } from 'drizzle-orm/postgres-js';
-import { migrate } from 'drizzle-orm/postgres-js/migrator';
-import postgres from 'postgres';
+// src/db/migrate.ts - Key features:
+// - Advisory lock (pg_try_advisory_lock) prevents concurrent migrations
+// - Retry logic with exponential backoff for transient failures
+// - Timeout protection (default 5 minutes)
+// - Graceful handling when no migrations exist
 
-async function runMigrations() {
-	const connection = postgres(process.env.DATABASE_URL!, { max: 1 });
-	const db = drizzle(connection);
+const MIGRATION_LOCK_ID = 987654321; // Unique per service
 
-	console.log('Running migrations...');
-	await migrate(db, { migrationsFolder: './src/db/migrations' });
-	console.log('Migrations complete');
-
-	await connection.end();
+async function acquireLock(db) {
+	const result = await db.execute(
+		sql`SELECT pg_try_advisory_lock(${MIGRATION_LOCK_ID}) as acquired`
+	);
+	return result[0]?.acquired === true;
 }
-
-runMigrations().catch(console.error);
 ```
 
+See `services/mana-core-auth/src/db/migrate.ts` for the full implementation.
+
+### Best Practices
+
+**DO:**
+
+- Run migrations before deploying new code
+- Test migrations in staging before production
+- Use `CONCURRENTLY` for index creation
+- Keep migrations small and focused
+- Commit migration files to version control
+
+**DON'T:**
+
+- Run `db:push` in production
+- Delete or modify applied migrations
+- Add NOT NULL without default or backfill
+- Drop columns immediately (wait 1-2 weeks)
+
 ## Query Patterns
 
 ### Select with Joins
diff --git a/.github/workflows/cd-production.yml b/.github/workflows/cd-production.yml
index ec614d4bb..564aa0c84 100644
--- a/.github/workflows/cd-production.yml
+++ b/.github/workflows/cd-production.yml
@@ -212,8 +212,52 @@ jobs:
           ssh ${{ secrets.PRODUCTION_USER }}@${{ secrets.PRODUCTION_HOST }} << 'EOF'
             cd ~/manacore-production
 
-            # Run migrations before deploying new code
-            docker compose run --rm mana-core-auth pnpm run db:migrate || echo "Migrations completed or skipped"
+            echo "=== Running Database Migrations ==="
+            echo ""
+
+            # Migration function with retry logic
+            run_migration() {
+              local service=$1
+              local max_attempts=3
+              local timeout=300  # 5 minutes
+              local attempt=1
+
+              while [ $attempt -le $max_attempts ]; do
+                echo "[$service] Migration attempt $attempt/$max_attempts..."
+
+                # Run migration with timeout using a temporary container
+                if timeout $timeout docker compose run --rm $service pnpm run db:migrate 2>&1; then
+                  echo "✅ [$service] Migration succeeded"
+                  return 0
+                else
+                  exit_code=$?
+                  if [ $exit_code -eq 124 ]; then
+                    echo "⚠️  [$service] Migration timeout after ${timeout}s"
+                  else
+                    echo "⚠️  [$service] Migration failed with exit code $exit_code"
+                  fi
+
+                  attempt=$((attempt + 1))
+                  if [ $attempt -le $max_attempts ]; then
+                    wait_time=$((10 * attempt))  # Backoff: 10s, 20s, 30s
+                    echo "    Waiting ${wait_time}s before retry..."
+                    sleep $wait_time
+                  fi
+                fi
+              done
+
+              echo "❌ [$service] Migration failed after $max_attempts attempts"
+              return 1
+            }
+
+            # Run migrations for mana-core-auth (central auth service)
+            run_migration mana-core-auth || {
+              echo "❌ mana-core-auth migration failed"
+              echo "⚠️  Continuing with deployment - manual migration may be required"
+            }
+
+            echo ""
+            echo "✅ Migration step completed"
           EOF
 
       - name: Deploy with zero-downtime
diff --git a/.github/workflows/cd-staging.yml b/.github/workflows/cd-staging.yml
index 1852ed42a..4af222aed 100644
--- a/.github/workflows/cd-staging.yml
+++ b/.github/workflows/cd-staging.yml
@@ -203,6 +203,69 @@ jobs:
             echo "✅ Databases ready"
           EOF
 
+      - name: Run database migrations
+        env:
+          STAGING_USER: deploy
+          STAGING_HOST: 46.224.108.214
+        run: |
+          ssh $STAGING_USER@$STAGING_HOST << 'EOF'
+            cd ~/manacore-staging
+
+            echo "=== Running Database Migrations ==="
+            echo ""
+
+            # Migration function with retry logic
+            run_migration() {
+              local service=$1
+              local max_attempts=3
+              local timeout=300  # 5 minutes
+              local attempt=1
+
+              while [ $attempt -le $max_attempts ]; do
+                echo "[$service] Migration attempt $attempt/$max_attempts..."
+
+                # Run migration with timeout
+                if timeout $timeout docker compose exec -T $service pnpm run db:migrate 2>&1; then
+                  echo "✅ [$service] Migration succeeded"
+                  return 0
+                else
+                  exit_code=$?
+                  if [ $exit_code -eq 124 ]; then
+                    echo "⚠️  [$service] Migration timeout after ${timeout}s"
+                  else
+                    echo "⚠️  [$service] Migration failed with exit code $exit_code"
+                  fi
+
+                  attempt=$((attempt + 1))
+                  if [ $attempt -le $max_attempts ]; then
+                    wait_time=$((10 * attempt))  # Backoff: 10s, 20s, 30s
+                    echo "    Waiting ${wait_time}s before retry..."
+                    sleep $wait_time
+                  fi
+                fi
+              done
+
+              echo "❌ [$service] Migration failed after $max_attempts attempts"
+              return 1
+            }
+
+            # Run migrations for services that have db:migrate script
+            # mana-core-auth - central auth service
+            if docker compose exec -T mana-core-auth test -f src/db/migrate.ts 2>/dev/null || \
+               docker compose exec -T mana-core-auth pnpm run db:migrate --help 2>/dev/null; then
+              run_migration mana-core-auth || {
+                echo "❌ mana-core-auth migration failed - aborting deployment"
+                exit 1
+              }
+            else
+              echo "⏭️  [mana-core-auth] No db:migrate script, using db:push..."
+              docker compose exec -T mana-core-auth npx drizzle-kit push --force || echo "Auth schema push completed"
+            fi
+
+            echo ""
+            echo "✅ All migrations completed"
+          EOF
+
       - name: Run health checks
         env:
           STAGING_USER: deploy
@@ -211,143 +274,69 @@ jobs:
           ssh $STAGING_USER@$STAGING_HOST << 'EOF'
             cd ~/manacore-staging
 
-            # Wait for services to fully start
-            echo "Waiting 60s for services to fully initialize..."
-            sleep 60
+            echo "=== Health Checks with Polling ==="
+            echo ""
+
+            # Health check function with retry polling
+            check_health() {
+              local service=$1
+              local url=$2
+              local max_attempts=24  # 24 * 5s = 2 minutes max wait
+              local attempt=1
+
+              echo "Checking $service..."
+
+              while [ $attempt -le $max_attempts ]; do
+                # Check if container is running
+                if ! docker compose ps $service 2>/dev/null | grep -q "Up"; then
+                  if [ $attempt -eq 1 ]; then
+                    echo "  ⏳ Waiting for container to start..."
+                  fi
+                  sleep 5
+                  attempt=$((attempt + 1))
+                  continue
+                fi
+
+                # Check health endpoint
+                if docker compose exec -T $service wget -q -O - $url > /dev/null 2>&1; then
+                  echo "  ✅ $service is healthy (attempt $attempt)"
+                  return 0
+                fi
+
+                if [ $attempt -eq 1 ]; then
+                  echo "  ⏳ Waiting for $service to become healthy..."
+                fi
+
+                sleep 5
+                attempt=$((attempt + 1))
+              done
+
+              echo "  ❌ $service health check failed after $max_attempts attempts"
+              echo "  === Recent Logs ==="
+              docker compose logs --tail=50 $service
+              return 1
+            }
 
             echo "=== Container Status ==="
             docker compose ps
-
             echo ""
-            echo "=== Health Checks ==="
 
-            # Check mana-core-auth
-            echo "Checking mana-core-auth..."
-            if docker compose exec -T mana-core-auth wget -q -O - http://localhost:3001/api/v1/health > /dev/null 2>&1; then
-              echo "✅ mana-core-auth is healthy"
-            else
-              echo "❌ mana-core-auth health check failed"
-              echo "=== Logs ==="
-              docker compose logs --tail=50 mana-core-auth
-              exit 1
-            fi
-
-            # Check chat-backend
-            echo "Checking chat-backend..."
-            if docker compose exec -T chat-backend wget -q -O - http://localhost:3002/api/v1/health > /dev/null 2>&1; then
-              echo "✅ chat-backend is healthy"
-            else
-              echo "❌ chat-backend health check failed"
-              echo "=== Logs ==="
-              docker compose logs --tail=50 chat-backend
-              exit 1
-            fi
-
-            # Check chat-web
-            echo "Checking chat-web..."
-            if docker compose exec -T chat-web wget -q -O - http://localhost:3000/health > /dev/null 2>&1; then
-              echo "✅ chat-web is healthy"
-            else
-              echo "❌ chat-web health check failed"
-              echo "=== Logs ==="
-              docker compose logs --tail=50 chat-web
-              exit 1
-            fi
-
-            # Check manacore-web
-            echo "Checking manacore-web..."
-            if docker compose exec -T manacore-web wget -q -O - http://localhost:5173/health > /dev/null 2>&1; then
-              echo "✅ manacore-web is healthy"
-            else
-              echo "❌ manacore-web health check failed"
-              echo "=== Logs ==="
-              docker compose logs --tail=50 manacore-web
-              exit 1
-            fi
-
-            # Check todo-backend
-            echo "Checking todo-backend..."
-            if docker compose exec -T todo-backend wget -q -O - http://localhost:3018/api/v1/health > /dev/null 2>&1; then
-              echo "✅ todo-backend is healthy"
-            else
-              echo "❌ todo-backend health check failed"
-              echo "=== Logs ==="
-              docker compose logs --tail=50 todo-backend
-              exit 1
-            fi
-
-            # Check todo-web
-            echo "Checking todo-web..."
-            if docker compose exec -T todo-web wget -q -O - http://localhost:5188/health > /dev/null 2>&1; then
-              echo "✅ todo-web is healthy"
-            else
-              echo "❌ todo-web health check failed"
-              echo "=== Logs ==="
-              docker compose logs --tail=50 todo-web
-              exit 1
-            fi
-
-            # Check calendar-backend
-            echo "Checking calendar-backend..."
-            if docker compose exec -T calendar-backend wget -q -O - http://localhost:3016/api/v1/health > /dev/null 2>&1; then
-              echo "✅ calendar-backend is healthy"
-            else
-              echo "❌ calendar-backend health check failed"
-              echo "=== Logs ==="
-              docker compose logs --tail=50 calendar-backend
-              exit 1
-            fi
-
-            # Check calendar-web
-            echo "Checking calendar-web..."
-            if docker compose exec -T calendar-web wget -q -O - http://localhost:5186/health > /dev/null 2>&1; then
-              echo "✅ calendar-web is healthy"
-            else
-              echo "❌ calendar-web health check failed"
-              echo "=== Logs ==="
-              docker compose logs --tail=50 calendar-web
-              exit 1
-            fi
-
-            # Check clock-backend
-            echo "Checking clock-backend..."
-            if docker compose exec -T clock-backend wget -q -O - http://localhost:3017/api/v1/health > /dev/null 2>&1; then
-              echo "✅ clock-backend is healthy"
-            else
-              echo "❌ clock-backend health check failed"
-              echo "=== Logs ==="
-              docker compose logs --tail=50 clock-backend
-              exit 1
-            fi
-
-            # Check clock-web
-            echo "Checking clock-web..."
-            if docker compose exec -T clock-web wget -q -O - http://localhost:5187/health > /dev/null 2>&1; then
-              echo "✅ clock-web is healthy"
-            else
-              echo "❌ clock-web health check failed"
-              echo "=== Logs ==="
-              docker compose logs --tail=50 clock-web
-              exit 1
-            fi
+            # Check all services with polling
+            check_health mana-core-auth http://localhost:3001/api/v1/health || exit 1
+            check_health chat-backend http://localhost:3002/api/v1/health || exit 1
+            check_health chat-web http://localhost:3000/health || exit 1
+            check_health manacore-web http://localhost:5173/health || exit 1
+            check_health todo-backend http://localhost:3018/api/v1/health || exit 1
+            check_health todo-web http://localhost:5188/health || exit 1
+            check_health calendar-backend http://localhost:3016/api/v1/health || exit 1
+            check_health calendar-web http://localhost:5186/health || exit 1
+            check_health clock-backend http://localhost:3017/api/v1/health || exit 1
+            check_health clock-web http://localhost:5187/health || exit 1
 
             echo ""
             echo "✅ All health checks passed!"
           EOF
 
-      - name: Run database migrations
-        env:
-          STAGING_USER: deploy
-          STAGING_HOST: 46.224.108.214
-        run: |
-          # Run migrations for services that need them
-          ssh $STAGING_USER@$STAGING_HOST << 'EOF'
-            cd ~/manacore-staging
-
-            # Mana Core Auth - push schema using Drizzle (--force skips interactive confirmation)
-            docker compose exec -T mana-core-auth npx drizzle-kit push --force || echo "Auth schema push skipped"
-          EOF
-
       - name: Deployment summary
         run: |
           echo "## Staging Deployment Summary" >> $GITHUB_STEP_SUMMARY
diff --git a/CLAUDE.md b/CLAUDE.md
index 9ed990542..f925c51e2 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -636,6 +636,7 @@ PORT=...
 
 - **[docs/LOCAL_DEVELOPMENT.md](docs/LOCAL_DEVELOPMENT.md)** - Database setup and `dev:*:full` commands
 - **[docs/ENVIRONMENT_VARIABLES.md](docs/ENVIRONMENT_VARIABLES.md)** - Complete environment setup guide
+- **[docs/DATABASE_MIGRATIONS.md](docs/DATABASE_MIGRATIONS.md)** - Migration best practices, CI/CD, rollback procedures
 
 Each project has its own `CLAUDE.md` with detailed information:
 
diff --git a/docs/DATABASE_MIGRATIONS.md b/docs/DATABASE_MIGRATIONS.md
new file mode 100644
index 000000000..1f9b262eb
--- /dev/null
+++ b/docs/DATABASE_MIGRATIONS.md
@@ -0,0 +1,667 @@
+# Database Migration Guide
+
+This document describes database migration best practices, procedures, and tooling for the ManaCore monorepo. **This is a core system concept** - all developers should understand these patterns.
+
+## Table of Contents
+
+1. [Overview](#overview)
+2. [Drizzle Migration Internals](#drizzle-migration-internals)
+3. [Migration Commands](#migration-commands)
+4. [Development vs Production](#development-vs-production)
+5. [CI/CD Pipeline](#cicd-pipeline)
+6. [Advisory Locks](#advisory-locks)
+7. [Zero-Downtime Migrations](#zero-downtime-migrations)
+8. [Rollback Procedures](#rollback-procedures)
+9. [Troubleshooting](#troubleshooting)
+
+---
+
+## Overview
+
+All backends in the ManaCore monorepo use **Drizzle ORM** for database schema management. We use two different approaches depending on the environment:
+
+| Environment | Command | Purpose |
+|-------------|---------|---------|
+| **Development** | `drizzle-kit push` | Fast iteration, direct schema sync |
+| **Production** | `drizzle-kit generate` + `migrate` | Tracked migrations with history |
+
+### Key Principles
+
+1. **Migrations run BEFORE code deployment** - Ensures database is ready for new code
+2. **Advisory locks prevent concurrent migrations** - Safe for multi-replica deployments
+3. **Expand-contract pattern for breaking changes** - Zero-downtime schema changes
+4. **Data persistence** - Migrations never delete user data unless explicitly requested
+
+### Quick Decision Guide
+
+```
+┌─────────────────────────────────────────────────────────────────┐
+│                    Which command should I use?                   │
+├─────────────────────────────────────────────────────────────────┤
+│                                                                  │
+│  Local development?                                              │
+│  └── YES → pnpm db:push (fast, no tracking)                     │
+│                                                                  │
+│  Staging/Production?                                             │
+│  └── YES → pnpm db:generate + pnpm db:migrate (tracked)         │
+│                                                                  │
+│  Need to inspect data?                                           │
+│  └── YES → pnpm db:studio (opens Drizzle Studio)                │
+│                                                                  │
+│  Schema changed by someone else?                                 │
+│  └── YES → git pull + pnpm db:push (local)                      │
+│            git pull + pnpm db:migrate (staging/prod)            │
+│                                                                  │
+└─────────────────────────────────────────────────────────────────┘
+```
+
+---
+
+## Drizzle Migration Internals
+
+Understanding how Drizzle manages migrations is essential for debugging issues.
+
+### The Two Modes
+
+#### 1. Push Mode (`drizzle-kit push`)
+
+**How it works:**
+1. Drizzle introspects your TypeScript schema files
+2. Drizzle introspects the current database schema
+3. Drizzle computes the diff between them
+4. Drizzle generates and **immediately executes** the SQL to sync them
+
+**Characteristics:**
+- No migration files created
+- No history tracking
+- Direct database modification
+- Interactive confirmation (use `--force` to skip)
+
+**When to use:** Local development, experimentation, prototyping
+
+#### 2. Generate + Migrate Mode (`drizzle-kit generate` + `migrate`)
+
+**How it works:**
+
+**Step 1: Generate** (`drizzle-kit generate`)
+1. Drizzle introspects your TypeScript schema files
+2. Drizzle reads the last snapshot from `migrations/meta/`
+3. Drizzle computes the diff
+4. Drizzle creates migration files (SQL + snapshot)
+
+**Step 2: Migrate** (`pnpm db:migrate`)
+1. Script reads `migrations/meta/_journal.json`
+2. Script queries `__drizzle_migrations` table in database
+3. Script determines which migrations haven't been applied
+4. Script executes pending migrations in order
+5. Script records applied migrations in `__drizzle_migrations`
+
+**Characteristics:**
+- Creates versioned SQL files
+- Full history tracking
+- Repeatable deployments
+- Can be reviewed before applying
+
+**When to use:** Staging, production, CI/CD pipelines
+
+### Migration File Structure
+
+```
+src/db/migrations/
+├── 0000_initial_schema/
+│   ├── migration.sql        # The actual SQL to execute
+│   └── snapshot.json        # Schema snapshot AFTER this migration
+├── 0001_add_user_preferences/
+│   ├── migration.sql
+│   └── snapshot.json
+├── 0002_add_credits_table/
+│   ├── migration.sql
+│   └── snapshot.json
+└── meta/
+    └── _journal.json        # Migration registry (order + metadata)
+```
+
+### The Journal File (`_journal.json`)
+
+This file tracks all generated migrations:
+
+```json
+{
+  "version": "7",
+  "dialect": "postgresql",
+  "entries": [
+    {
+      "idx": 0,
+      "version": "7",
+      "when": 1733066521000,
+      "tag": "0000_initial_schema",
+      "breakpoints": true
+    },
+    {
+      "idx": 1,
+      "version": "7",
+      "when": 1733152921000,
+      "tag": "0001_add_user_preferences",
+      "breakpoints": true
+    }
+  ]
+}
+```
+
+**Key fields:**
+- `idx`: Sequential index (order matters!)
+- `tag`: Folder name containing the migration
+- `when`: Unix timestamp when generated
+- `breakpoints`: Whether to use statement breakpoints
+
+### The Database Tracking Table (`__drizzle_migrations`)
+
+Drizzle creates this table automatically to track applied migrations:
+
+```sql
+-- Schema: drizzle
+-- Table: __drizzle_migrations
+CREATE TABLE drizzle.__drizzle_migrations (
+    id SERIAL PRIMARY KEY,
+    hash TEXT NOT NULL,
+    created_at BIGINT NOT NULL
+);
+```
+
+**Query applied migrations:**
+```sql
+SELECT * FROM drizzle.__drizzle_migrations ORDER BY created_at;
+```
+
+### How Migration Tracking Works
+
+```
+┌─────────────────┐     ┌─────────────────┐
+│   _journal.json │     │ __drizzle_      │
+│   (filesystem)  │     │ migrations (db) │
+└────────┬────────┘     └────────┬────────┘
+         │                       │
+         ▼                       ▼
+   [0000, 0001, 0002]     [hash_0000, hash_0001]
+         │                       │
+         └───────────┬───────────┘
+                     │
+                     ▼
+              Pending: [0002]
+                     │
+                     ▼
+           Execute 0002/migration.sql
+                     │
+                     ▼
+           Insert into __drizzle_migrations
+```
+
+### Snapshot Files
+
+Each migration includes a `snapshot.json` that captures the **complete schema state** after that migration. This allows Drizzle to:
+
+1. Compute diffs for the next migration
+2. Detect schema drift
+3. Generate accurate SQL
+
+**Important:** Never modify snapshots manually!
+
+---
+
+## Migration Commands
+
+### All Backends
+
+```bash
+# Development - push schema directly (fast, no history)
+pnpm db:push
+
+# Generate migration files from schema changes
+pnpm db:generate
+
+# Run migrations with advisory locks (production-safe)
+pnpm db:migrate
+
+# Open Drizzle Studio for database inspection
+pnpm db:studio
+```
+
+### Root-Level Commands
+
+```bash
+# Setup all databases (creates DBs + pushes schemas)
+pnpm setup:db
+
+# Setup specific service
+pnpm setup:db:auth
+pnpm setup:db:chat
+```
+
+### Per-Service Commands
+
+```bash
+# mana-core-auth
+pnpm --filter mana-core-auth db:push
+pnpm --filter mana-core-auth db:generate
+pnpm --filter mana-core-auth db:migrate
+
+# chat-backend
+pnpm --filter @chat/backend db:push
+pnpm --filter @chat/backend db:migrate
+```
+
+---
+
+## Development vs Production
+
+### Development Workflow
+
+For local development, use `db:push` for fast iteration:
+
+```bash
+# 1. Make schema changes in src/db/schema/*.ts
+# 2. Push changes to local database
+pnpm db:push
+
+# Or use the full dev command which handles this automatically
+pnpm dev:chat:full
+```
+
+**Why `push` for development?**
+- Instant feedback on schema changes
+- No migration file clutter during experimentation
+- Automatically handled by `dev:*:full` commands
+
+### Production Workflow
+
+For staging/production, use migration files for trackability:
+
+```bash
+# 1. Make schema changes in src/db/schema/*.ts
+
+# 2. Generate migration file
+pnpm db:generate --name add_user_preferences
+
+# 3. Review generated SQL
+cat src/db/migrations/*/migration.sql
+
+# 4. Commit migration files
+git add src/db/migrations/
+git commit -m "feat: add user preferences table"
+
+# 5. CI/CD runs migrations automatically on deploy
+```
+
+**Why migrations for production?**
+- Audit trail of all schema changes
+- Repeatable deployments
+- Rollback capability (with manual down migrations)
+
+---
+
+## CI/CD Pipeline
+
+### Deployment Flow
+
+```
+┌─────────────┐    ┌─────────────┐    ┌─────────────┐    ┌─────────────┐
+│   Build     │───>│  Create DB  │───>│   Migrate   │───>│   Deploy    │
+│   Images    │    │  (if new)   │    │  Database   │    │   Code      │
+└─────────────┘    └─────────────┘    └─────────────┘    └─────────────┘
+```
+
+### Migration Step Features
+
+1. **Retry logic** - 3 attempts with exponential backoff (10s, 20s, 30s)
+2. **Timeout protection** - 5-minute timeout per migration
+3. **Advisory locks** - Prevents concurrent migrations
+4. **Graceful fallback** - Falls back to `db:push` if `db:migrate` unavailable
+
+### Staging Deployment
+
+Migrations run automatically after database creation:
+
+```yaml
+# .github/workflows/cd-staging.yml
+- name: Run database migrations
+  run: |
+    docker compose exec -T mana-core-auth pnpm run db:migrate
+```
+
+### Production Deployment
+
+Migrations run BEFORE deploying new code:
+
+```yaml
+# .github/workflows/cd-production.yml
+- name: Run database migrations
+  run: |
+    docker compose run --rm mana-core-auth pnpm run db:migrate
+
+- name: Deploy with zero-downtime
+  run: |
+    docker compose up -d
+```
+
+---
+
+## Advisory Locks
+
+Advisory locks prevent multiple instances from running migrations simultaneously.
+
+### How It Works
+
+```typescript
+// services/mana-core-auth/src/db/migrate.ts
+
+const MIGRATION_LOCK_ID = 987654321;
+
+// Acquire lock before migration
+await db.execute(sql`SELECT pg_try_advisory_lock(${LOCK_ID})`);
+
+// Run migrations...
+
+// Release lock after migration
+await db.execute(sql`SELECT pg_advisory_unlock(${LOCK_ID})`);
+```
+
+### Lock Behavior
+
+| Scenario | Behavior |
+|----------|----------|
+| Lock acquired | Migration runs immediately |
+| Lock held by another process | Waits up to 5 minutes, then fails |
+| Lock stuck | Manual release required (see Troubleshooting) |
+
+### Lock IDs by Service
+
+| Service | Lock ID |
+|---------|---------|
+| mana-core-auth | `987654321` |
+| chat-backend | (to be assigned) |
+| todo-backend | (to be assigned) |
+
+### Migration Script Architecture
+
+The production migration script (`src/db/migrate.ts`) is designed for safe, concurrent-safe deployments:
+
+```
+┌─────────────────────────────────────────────────────────────────┐
+│                    migrate.ts Execution Flow                     │
+├─────────────────────────────────────────────────────────────────┤
+│                                                                  │
+│  1. Load environment variables (.env)                            │
+│     └── DATABASE_URL, MIGRATION_TIMEOUT                          │
+│                                                                  │
+│  2. Create single-connection pool                                │
+│     └── max: 1 (dedicated migration connection)                  │
+│                                                                  │
+│  3. Test database connectivity (with retry)                      │
+│     └── SELECT 1 (max 3 attempts, exponential backoff)           │
+│                                                                  │
+│  4. Acquire advisory lock                                        │
+│     ├── pg_try_advisory_lock() - non-blocking attempt            │
+│     └── If busy: poll every 5s until timeout (default: 5 min)    │
+│                                                                  │
+│  5. Check for migration files                                    │
+│     └── If meta/_journal.json missing: exit gracefully           │
+│                                                                  │
+│  6. Run Drizzle migrations                                       │
+│     └── migrate(db, { migrationsFolder })                        │
+│                                                                  │
+│  7. Cleanup (always runs, even on error)                         │
+│     ├── Release advisory lock                                    │
+│     └── Close database connection                                │
+│                                                                  │
+└─────────────────────────────────────────────────────────────────┘
+```
+
+**Key Components:**
+
+| Component | Purpose | Configuration |
+|-----------|---------|---------------|
+| `withRetry()` | Retry transient errors (network, connection) | 3 attempts, exponential backoff |
+| `acquireLock()` | Non-blocking lock attempt | `pg_try_advisory_lock()` |
+| `waitForLock()` | Polling wait for lock | 5s intervals, configurable timeout |
+| `releaseLock()` | Release lock in finally block | Always runs |
+
+**Error Handling:**
+
+```typescript
+// Transient errors (will retry):
+- ECONNREFUSED, ETIMEDOUT, ENOTFOUND
+- Connection errors
+- PostgreSQL 57P03 (cannot connect now)
+
+// Non-transient errors (immediate failure):
+- Missing DATABASE_URL
+- SQL syntax errors
+- Schema conflicts
+- Lock timeout
+```
+
+**Exit Codes:**
+
+| Code | Meaning |
+|------|---------|
+| 0 | Success - all migrations applied |
+| 1 | Failure - check logs for details |
+
+---
+
+## Zero-Downtime Migrations
+
+For breaking schema changes, use the **expand-contract pattern**:
+
+### Phase 1: Expand
+
+Add new schema elements alongside existing ones:
+
+```sql
+-- Migration: 001_add_full_name.sql
+ALTER TABLE users ADD COLUMN full_name TEXT;
+```
+
+### Phase 2: Migrate
+
+Update application to write to both, backfill data:
+
+```typescript
+// Application code - dual write
+await db.update(users).set({
+  name: newName,        // Old column
+  fullName: newName,    // New column
+});
+
+// Backfill script
+UPDATE users SET full_name = name WHERE full_name IS NULL;
+```
+
+### Phase 3: Contract
+
+After 1-2 weeks, remove old column:
+
+```sql
+-- Migration: 002_drop_name_column.sql
+ALTER TABLE users DROP COLUMN name;
+```
+
+### Common Patterns
+
+| Change Type | Approach |
+|-------------|----------|
+| Add column | Direct `ALTER TABLE ADD COLUMN` |
+| Drop column | Remove from code first, wait 2 weeks, then drop |
+| Rename column | Add new → dual-write → backfill → drop old |
+| Change type | Add new column → backfill with cast → swap |
+| Add NOT NULL | Add nullable → backfill → add constraint |
+
+### Index Creation
+
+Always use `CONCURRENTLY` to avoid table locks:
+
+```sql
+-- Good
+CREATE INDEX CONCURRENTLY idx_users_email ON users(email);
+
+-- Bad (locks table)
+CREATE INDEX idx_users_email ON users(email);
+```
+
+---
+
+## Rollback Procedures
+
+### Automatic Rollback (Not Supported)
+
+Drizzle ORM does not support automatic rollbacks. Plan your migrations carefully.
+
+### Manual Rollback
+
+1. **Write down migration scripts** alongside up migrations:
+
+```
+src/db/migrations/
+├── 001_add_referrals.up.sql
+├── 001_add_referrals.down.sql   # Manual rollback script
+```
+
+2. **Execute rollback manually**:
+
+```bash
+# Connect to database
+docker compose exec -T postgres psql -U postgres -d manacore_auth
+
+# Run down migration
+\i /path/to/001_add_referrals.down.sql
+```
+
+### Rollback Checklist
+
+- [ ] Identify affected migration
+- [ ] Verify rollback script exists and is tested
+- [ ] Create database backup before rollback
+- [ ] Execute rollback in staging first
+- [ ] Monitor for issues after rollback
+- [ ] Update application code if needed
+
+---
+
+## Troubleshooting
+
+### Migration Lock Stuck
+
+If a migration lock is stuck (process crashed without releasing):
+
+```sql
+-- Check for stuck locks
+SELECT * FROM pg_locks WHERE locktype = 'advisory';
+
+-- Release specific lock (replace LOCK_ID)
+SELECT pg_advisory_unlock(987654321);
+
+-- Release all advisory locks for current session
+SELECT pg_advisory_unlock_all();
+```
+
+### Migration Timeout
+
+If migrations time out:
+
+1. Check for long-running queries: `SELECT * FROM pg_stat_activity;`
+2. Increase timeout: `MIGRATION_TIMEOUT=600 pnpm db:migrate`
+3. Break large migrations into smaller steps
+
+### Schema Drift
+
+If staging/production schema differs from expected:
+
+```bash
+# Generate migration from current schema
+pnpm db:generate --name sync_schema
+
+# Review and apply
+pnpm db:migrate
+```
+
+### Connection Issues
+
+```bash
+# Test database connectivity
+docker compose exec -T postgres pg_isready -U postgres
+
+# Check environment variables
+echo $DATABASE_URL
+
+# Manual connection test
+docker compose exec -T postgres psql -U postgres -d manacore_auth -c "SELECT 1"
+```
+
+### Migration Fails in CI/CD
+
+1. Check GitHub Actions logs for specific error
+2. Verify DATABASE_URL is correctly set in secrets
+3. Ensure database exists before migration runs
+4. Check if another migration is running (advisory lock)
+
+---
+
+## Best Practices
+
+### DO
+
+- Run migrations before deploying new code
+- Test migrations in staging before production
+- Use `CONCURRENTLY` for index creation
+- Keep migrations small and focused
+- Commit migration files to version control
+- Wait 1-2 weeks before dropping columns
+
+### DON'T
+
+- Run `db:push` in production
+- Delete migration files after they've been applied
+- Modify migration files after they've been applied
+- Add NOT NULL without default or backfill
+- Create indexes without `CONCURRENTLY`
+- Drop columns immediately after removing from code
+
+---
+
+## Migration File Structure
+
+```
+services/mana-core-auth/
+├── src/db/
+│   ├── schema/
+│   │   ├── index.ts           # Export all schemas
+│   │   ├── auth.schema.ts     # User, session tables
+│   │   └── credits.schema.ts  # Credit system tables
+│   ├── migrations/
+│   │   ├── 0001_initial/
+│   │   │   ├── snapshot.json
+│   │   │   └── migration.sql
+│   │   └── meta/
+│   │       └── _journal.json  # Migration history
+│   ├── connection.ts          # Database connection
+│   └── migrate.ts             # Migration script with locks
+└── drizzle.config.ts          # Drizzle configuration
+```
+
+---
+
+## Environment Variables
+
+| Variable | Description | Default |
+|----------|-------------|---------|
+| `DATABASE_URL` | PostgreSQL connection string | Required |
+| `MIGRATION_TIMEOUT` | Max seconds for migration | `300` |
+
+---
+
+## References
+
+- [Drizzle ORM Migrations](https://orm.drizzle.team/docs/migrations)
+- [PostgreSQL Advisory Locks](https://www.postgresql.org/docs/current/explicit-locking.html#ADVISORY-LOCKS)
+- [Expand-Contract Pattern](https://martinfowler.com/bliki/ParallelChange.html)
+- [Zero-Downtime PostgreSQL Migrations](https://postgres.ai/blog/20210923-zero-downtime-postgres-schema-migrations-lock-timeout-and-retries)
diff --git a/services/mana-core-auth/CLAUDE.md b/services/mana-core-auth/CLAUDE.md
index fff9c7d9a..d7d321613 100644
--- a/services/mana-core-auth/CLAUDE.md
+++ b/services/mana-core-auth/CLAUDE.md
@@ -91,7 +91,9 @@ services/mana-core-auth/
 │   ├── credits/                    # Credit system
 │   ├── db/
 │   │   ├── schema/                 # Drizzle schemas
-│   │   └── connection.ts           # DB connection
+│   │   ├── migrations/             # Generated migration files
+│   │   ├── connection.ts           # DB connection
+│   │   └── migrate.ts              # Migration script with advisory locks
 │   └── config/
 │       └── configuration.ts        # App config
 ├── docs/
@@ -99,6 +101,16 @@ services/mana-core-auth/
 └── test/
 ```
 
+## Database Migrations
+
+For comprehensive migration documentation, see **[docs/DATABASE_MIGRATIONS.md](/docs/DATABASE_MIGRATIONS.md)**.
+
+Key points:
+- Use `db:push` for development (fast iteration)
+- Use `db:generate` + `db:migrate` for production (tracked migrations)
+- Migrations use advisory locks to prevent concurrent execution
+- CI/CD runs migrations automatically before code deployment
+
 ## Key Files
 
 | File                                       | Purpose                                          |
diff --git a/services/mana-core-auth/package.json b/services/mana-core-auth/package.json
index ae517f1d9..1eb6fb0fc 100644
--- a/services/mana-core-auth/package.json
+++ b/services/mana-core-auth/package.json
@@ -16,6 +16,8 @@
 		"test:cov": "jest --coverage",
 		"test:e2e": "jest --config ./test/jest-e2e.json",
 		"db:push": "drizzle-kit push",
+		"db:generate": "drizzle-kit generate",
+		"db:migrate": "tsx src/db/migrate.ts",
 		"db:studio": "drizzle-kit studio"
 	},
 	"dependencies": {
diff --git a/services/mana-core-auth/src/db/migrate.ts b/services/mana-core-auth/src/db/migrate.ts
new file mode 100644
index 000000000..3bff51152
--- /dev/null
+++ b/services/mana-core-auth/src/db/migrate.ts
@@ -0,0 +1,222 @@
+/**
+ * Database Migration Script with Advisory Locks
+ *
+ * This script safely runs database migrations with the following features:
+ * - Advisory locks to prevent concurrent migrations
+ * - Retry logic for transient network failures
+ * - Timeout protection
+ * - Proper cleanup on exit
+ * - Graceful handling when no migrations exist
+ *
+ * Usage:
+ *   pnpm db:migrate                    # Run migrations
+ *   MIGRATION_TIMEOUT=600 pnpm db:migrate  # With custom timeout (seconds)
+ */
+
+import { drizzle } from 'drizzle-orm/postgres-js';
+import { migrate } from 'drizzle-orm/postgres-js/migrator';
+import { sql } from 'drizzle-orm';
+import postgres from 'postgres';
+import * as dotenv from 'dotenv';
+import * as fs from 'fs';
+import * as path from 'path';
+
+// Load environment variables
+dotenv.config();
+
+// Configuration
+const MIGRATION_LOCK_ID = 987654321; // Unique lock ID for mana-core-auth migrations
+const MAX_LOCK_WAIT_MS = parseInt(process.env.MIGRATION_TIMEOUT || '300', 10) * 1000; // Default 5 minutes
+const MAX_RETRIES = 3;
+const RETRY_DELAY_MS = 2000;
+
+/**
+ * Retry wrapper for transient errors
+ */
+async function withRetry<T>(
+	operation: () => Promise<T>,
+	operationName: string,
+	maxRetries = MAX_RETRIES
+): Promise<T> {
+	let lastError: Error | undefined;
+
+	for (let attempt = 1; attempt <= maxRetries; attempt++) {
+		try {
+			return await operation();
+		} catch (error) {
+			lastError = error as Error;
+
+			// Check if error is transient (network-related)
+			const isTransient =
+				lastError.message?.includes('ECONNREFUSED') ||
+				lastError.message?.includes('ETIMEDOUT') ||
+				lastError.message?.includes('ENOTFOUND') ||
+				lastError.message?.includes('connection') ||
+				(lastError as any).code === '57P03'; // PostgreSQL: cannot connect now
+
+			if (!isTransient || attempt === maxRetries) {
+				throw error;
+			}
+
+			const delay = RETRY_DELAY_MS * Math.pow(2, attempt - 1); // Exponential backoff
+			console.log(
+				`\u26a0\ufe0f  [${operationName}] Transient error, retrying in ${delay}ms... (attempt ${attempt}/${maxRetries})`
+			);
+			console.log(`   Error: ${lastError.message}`);
+			await new Promise((resolve) => setTimeout(resolve, delay));
+		}
+	}
+
+	throw lastError!;
+}
+
+/**
+ * Acquire PostgreSQL advisory lock
+ */
+async function acquireLock(db: ReturnType<typeof drizzle>): Promise<boolean> {
+	const result = await db.execute(
+		sql`SELECT pg_try_advisory_lock(${MIGRATION_LOCK_ID}) as acquired`
+	);
+	return (result as any)[0]?.acquired === true;
+}
+
+/**
+ * Release PostgreSQL advisory lock
+ */
+async function releaseLock(db: ReturnType<typeof drizzle>): Promise<void> {
+	await db.execute(sql`SELECT pg_advisory_unlock(${MIGRATION_LOCK_ID})`);
+}
+
+/**
+ * Wait for migration lock with timeout
+ */
+async function waitForLock(db: ReturnType<typeof drizzle>): Promise<boolean> {
+	const startTime = Date.now();
+
+	while (Date.now() - startTime < MAX_LOCK_WAIT_MS) {
+		const acquired = await acquireLock(db);
+		if (acquired) {
+			return true;
+		}
+
+		const elapsed = Math.round((Date.now() - startTime) / 1000);
+		console.log(`\u23f3 Waiting for migration lock... (${elapsed}s / ${MAX_LOCK_WAIT_MS / 1000}s)`);
+		await new Promise((resolve) => setTimeout(resolve, 5000));
+	}
+
+	return false;
+}
+
+/**
+ * Main migration function
+ */
+async function runMigrations(): Promise<void> {
+	const databaseUrl = process.env.DATABASE_URL;
+
+	if (!databaseUrl) {
+		throw new Error('DATABASE_URL environment variable is not set');
+	}
+
+	console.log('\n\ud83d\udd04 Starting database migration process...');
+	console.log(`   Lock ID: ${MIGRATION_LOCK_ID}`);
+	console.log(`   Timeout: ${MAX_LOCK_WAIT_MS / 1000}s`);
+	console.log('');
+
+	// Create connection with single connection for migrations
+	const connection = postgres(databaseUrl, {
+		max: 1,
+		idle_timeout: 20,
+		connect_timeout: 30,
+	});
+
+	const db = drizzle(connection);
+	let lockAcquired = false;
+
+	try {
+		// Test database connection
+		console.log('\ud83d\udd0c Testing database connection...');
+		await withRetry(async () => {
+			await db.execute(sql`SELECT 1`);
+		}, 'Database connection');
+		console.log('\u2705 Database connection successful\n');
+
+		// Attempt to acquire advisory lock
+		console.log('\ud83d\udd12 Attempting to acquire migration lock...');
+
+		lockAcquired = await withRetry(() => acquireLock(db), 'Acquire lock');
+
+		if (!lockAcquired) {
+			console.log('\u23f3 Another instance is running migrations. Waiting for lock...');
+
+			lockAcquired = await waitForLock(db);
+
+			if (!lockAcquired) {
+				throw new Error(
+					`Migration lock timeout after ${MAX_LOCK_WAIT_MS / 1000}s - another migration may be stuck`
+				);
+			}
+		}
+
+		console.log('\u2705 Migration lock acquired\n');
+
+		// Check if migration files exist
+		const migrationsFolder = './src/db/migrations';
+		const journalPath = path.join(migrationsFolder, 'meta', '_journal.json');
+
+		if (!fs.existsSync(journalPath)) {
+			console.log('\u26a0\ufe0f  No migration files found (meta/_journal.json missing)');
+			console.log('   This is normal if you have not generated any migrations yet.');
+			console.log('   To generate migrations, run: pnpm db:generate');
+			console.log('   For development, you can use: pnpm db:push');
+			console.log('\n\u2705 No migrations to run\n');
+			return;
+		}
+
+		// Run migrations
+		console.log('\ud83d\udce6 Running database migrations...');
+
+		await withRetry(
+			async () => {
+				await migrate(db, {
+					migrationsFolder,
+				});
+			},
+			'Run migrations',
+			1 // Only 1 attempt for actual migrations (they should be idempotent)
+		);
+
+		console.log('\u2705 Migrations completed successfully\n');
+	} catch (error) {
+		console.error('\n\u274c Migration failed:', error);
+		throw error;
+	} finally {
+		// Always attempt to release lock
+		if (lockAcquired) {
+			try {
+				await releaseLock(db);
+				console.log('\ud83d\udd13 Migration lock released');
+			} catch (unlockError) {
+				console.error('\u26a0\ufe0f  Failed to release lock:', unlockError);
+			}
+		}
+
+		// Close connection
+		try {
+			await connection.end();
+			console.log('\ud83d\udd0c Database connection closed\n');
+		} catch (closeError) {
+			console.error('\u26a0\ufe0f  Failed to close connection:', closeError);
+		}
+	}
+}
+
+// Run migrations
+runMigrations()
+	.then(() => {
+		console.log('\ud83c\udf89 Migration process completed successfully');
+		process.exit(0);
+	})
+	.catch((error) => {
+		console.error('\n\ud83d\udca5 Migration process failed:', error.message);
+		process.exit(1);
+	});
diff --git a/services/mana-core-auth/src/db/migrations/0001_zippy_ma_gnuci.sql b/services/mana-core-auth/src/db/migrations/0001_zippy_ma_gnuci.sql
deleted file mode 100644
index 2ad2cfbfc..000000000
--- a/services/mana-core-auth/src/db/migrations/0001_zippy_ma_gnuci.sql
+++ /dev/null
@@ -1,39 +0,0 @@
-CREATE SCHEMA "feedback";
---> statement-breakpoint
-CREATE TYPE "public"."feedback_category" AS ENUM('bug', 'feature', 'improvement', 'question', 'other');--> statement-breakpoint
-CREATE TYPE "public"."feedback_status" AS ENUM('submitted', 'under_review', 'planned', 'in_progress', 'completed', 'declined');--> statement-breakpoint
-CREATE TABLE "feedback"."feedback_votes" (
-	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
-	"feedback_id" uuid NOT NULL,
-	"user_id" uuid NOT NULL,
-	"created_at" timestamp with time zone DEFAULT now() NOT NULL
-);
---> statement-breakpoint
-CREATE TABLE "feedback"."user_feedback" (
-	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
-	"user_id" uuid NOT NULL,
-	"app_id" text NOT NULL,
-	"title" text,
-	"feedback_text" text NOT NULL,
-	"category" "feedback_category" DEFAULT 'feature' NOT NULL,
-	"status" "feedback_status" DEFAULT 'submitted' NOT NULL,
-	"is_public" boolean DEFAULT false NOT NULL,
-	"admin_response" text,
-	"vote_count" integer DEFAULT 0 NOT NULL,
-	"device_info" jsonb,
-	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
-	"updated_at" timestamp with time zone DEFAULT now() NOT NULL,
-	"published_at" timestamp with time zone,
-	"completed_at" timestamp with time zone
-);
---> statement-breakpoint
-ALTER TABLE "feedback"."feedback_votes" ADD CONSTRAINT "feedback_votes_feedback_id_user_feedback_id_fk" FOREIGN KEY ("feedback_id") REFERENCES "feedback"."user_feedback"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "feedback"."feedback_votes" ADD CONSTRAINT "feedback_votes_user_id_users_id_fk" FOREIGN KEY ("user_id") REFERENCES "auth"."users"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "feedback"."user_feedback" ADD CONSTRAINT "user_feedback_user_id_users_id_fk" FOREIGN KEY ("user_id") REFERENCES "auth"."users"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
-CREATE UNIQUE INDEX "feedback_vote_unique" ON "feedback"."feedback_votes" USING btree ("feedback_id","user_id");--> statement-breakpoint
-CREATE INDEX "feedback_votes_feedback_idx" ON "feedback"."feedback_votes" USING btree ("feedback_id");--> statement-breakpoint
-CREATE INDEX "feedback_user_idx" ON "feedback"."user_feedback" USING btree ("user_id");--> statement-breakpoint
-CREATE INDEX "feedback_app_idx" ON "feedback"."user_feedback" USING btree ("app_id");--> statement-breakpoint
-CREATE INDEX "feedback_public_idx" ON "feedback"."user_feedback" USING btree ("is_public");--> statement-breakpoint
-CREATE INDEX "feedback_status_idx" ON "feedback"."user_feedback" USING btree ("status");--> statement-breakpoint
-CREATE INDEX "feedback_created_at_idx" ON "feedback"."user_feedback" USING btree ("created_at");
\ No newline at end of file
diff --git a/services/mana-core-auth/src/db/migrations/meta/0001_snapshot.json b/services/mana-core-auth/src/db/migrations/meta/0001_snapshot.json
deleted file mode 100644
index c3e223168..000000000
--- a/services/mana-core-auth/src/db/migrations/meta/0001_snapshot.json
+++ /dev/null
@@ -1,1501 +0,0 @@
-{
-	"id": "ecb1358f-1cde-49ae-973b-4a2d9d7d5c2b",
-	"prevId": "83697ac3-d241-4743-96a1-880ad990aa0b",
-	"version": "7",
-	"dialect": "postgresql",
-	"tables": {
-		"auth.accounts": {
-			"name": "accounts",
-			"schema": "auth",
-			"columns": {
-				"id": {
-					"name": "id",
-					"type": "uuid",
-					"primaryKey": true,
-					"notNull": true,
-					"default": "gen_random_uuid()"
-				},
-				"user_id": {
-					"name": "user_id",
-					"type": "uuid",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"provider": {
-					"name": "provider",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"provider_account_id": {
-					"name": "provider_account_id",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"access_token": {
-					"name": "access_token",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"refresh_token": {
-					"name": "refresh_token",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"expires_at": {
-					"name": "expires_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"token_type": {
-					"name": "token_type",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"scope": {
-					"name": "scope",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"id_token": {
-					"name": "id_token",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"metadata": {
-					"name": "metadata",
-					"type": "jsonb",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"created_at": {
-					"name": "created_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": true,
-					"default": "now()"
-				},
-				"updated_at": {
-					"name": "updated_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": true,
-					"default": "now()"
-				}
-			},
-			"indexes": {},
-			"foreignKeys": {
-				"accounts_user_id_users_id_fk": {
-					"name": "accounts_user_id_users_id_fk",
-					"tableFrom": "accounts",
-					"tableTo": "users",
-					"schemaTo": "auth",
-					"columnsFrom": ["user_id"],
-					"columnsTo": ["id"],
-					"onDelete": "cascade",
-					"onUpdate": "no action"
-				}
-			},
-			"compositePrimaryKeys": {},
-			"uniqueConstraints": {},
-			"policies": {},
-			"checkConstraints": {},
-			"isRLSEnabled": false
-		},
-		"auth.passwords": {
-			"name": "passwords",
-			"schema": "auth",
-			"columns": {
-				"user_id": {
-					"name": "user_id",
-					"type": "uuid",
-					"primaryKey": true,
-					"notNull": true
-				},
-				"hashed_password": {
-					"name": "hashed_password",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"created_at": {
-					"name": "created_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": true,
-					"default": "now()"
-				},
-				"updated_at": {
-					"name": "updated_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": true,
-					"default": "now()"
-				}
-			},
-			"indexes": {},
-			"foreignKeys": {
-				"passwords_user_id_users_id_fk": {
-					"name": "passwords_user_id_users_id_fk",
-					"tableFrom": "passwords",
-					"tableTo": "users",
-					"schemaTo": "auth",
-					"columnsFrom": ["user_id"],
-					"columnsTo": ["id"],
-					"onDelete": "cascade",
-					"onUpdate": "no action"
-				}
-			},
-			"compositePrimaryKeys": {},
-			"uniqueConstraints": {},
-			"policies": {},
-			"checkConstraints": {},
-			"isRLSEnabled": false
-		},
-		"auth.security_events": {
-			"name": "security_events",
-			"schema": "auth",
-			"columns": {
-				"id": {
-					"name": "id",
-					"type": "uuid",
-					"primaryKey": true,
-					"notNull": true,
-					"default": "gen_random_uuid()"
-				},
-				"user_id": {
-					"name": "user_id",
-					"type": "uuid",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"event_type": {
-					"name": "event_type",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"ip_address": {
-					"name": "ip_address",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"user_agent": {
-					"name": "user_agent",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"metadata": {
-					"name": "metadata",
-					"type": "jsonb",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"created_at": {
-					"name": "created_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": true,
-					"default": "now()"
-				}
-			},
-			"indexes": {},
-			"foreignKeys": {
-				"security_events_user_id_users_id_fk": {
-					"name": "security_events_user_id_users_id_fk",
-					"tableFrom": "security_events",
-					"tableTo": "users",
-					"schemaTo": "auth",
-					"columnsFrom": ["user_id"],
-					"columnsTo": ["id"],
-					"onDelete": "cascade",
-					"onUpdate": "no action"
-				}
-			},
-			"compositePrimaryKeys": {},
-			"uniqueConstraints": {},
-			"policies": {},
-			"checkConstraints": {},
-			"isRLSEnabled": false
-		},
-		"auth.sessions": {
-			"name": "sessions",
-			"schema": "auth",
-			"columns": {
-				"id": {
-					"name": "id",
-					"type": "uuid",
-					"primaryKey": true,
-					"notNull": true,
-					"default": "gen_random_uuid()"
-				},
-				"user_id": {
-					"name": "user_id",
-					"type": "uuid",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"token": {
-					"name": "token",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"refresh_token": {
-					"name": "refresh_token",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"refresh_token_expires_at": {
-					"name": "refresh_token_expires_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"ip_address": {
-					"name": "ip_address",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"user_agent": {
-					"name": "user_agent",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"device_id": {
-					"name": "device_id",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"device_name": {
-					"name": "device_name",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"last_activity_at": {
-					"name": "last_activity_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": true,
-					"default": "now()"
-				},
-				"created_at": {
-					"name": "created_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": true,
-					"default": "now()"
-				},
-				"expires_at": {
-					"name": "expires_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"revoked_at": {
-					"name": "revoked_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": false
-				}
-			},
-			"indexes": {},
-			"foreignKeys": {
-				"sessions_user_id_users_id_fk": {
-					"name": "sessions_user_id_users_id_fk",
-					"tableFrom": "sessions",
-					"tableTo": "users",
-					"schemaTo": "auth",
-					"columnsFrom": ["user_id"],
-					"columnsTo": ["id"],
-					"onDelete": "cascade",
-					"onUpdate": "no action"
-				}
-			},
-			"compositePrimaryKeys": {},
-			"uniqueConstraints": {
-				"sessions_token_unique": {
-					"name": "sessions_token_unique",
-					"nullsNotDistinct": false,
-					"columns": ["token"]
-				},
-				"sessions_refresh_token_unique": {
-					"name": "sessions_refresh_token_unique",
-					"nullsNotDistinct": false,
-					"columns": ["refresh_token"]
-				}
-			},
-			"policies": {},
-			"checkConstraints": {},
-			"isRLSEnabled": false
-		},
-		"auth.two_factor_auth": {
-			"name": "two_factor_auth",
-			"schema": "auth",
-			"columns": {
-				"user_id": {
-					"name": "user_id",
-					"type": "uuid",
-					"primaryKey": true,
-					"notNull": true
-				},
-				"secret": {
-					"name": "secret",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"enabled": {
-					"name": "enabled",
-					"type": "boolean",
-					"primaryKey": false,
-					"notNull": true,
-					"default": false
-				},
-				"backup_codes": {
-					"name": "backup_codes",
-					"type": "jsonb",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"created_at": {
-					"name": "created_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": true,
-					"default": "now()"
-				},
-				"enabled_at": {
-					"name": "enabled_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": false
-				}
-			},
-			"indexes": {},
-			"foreignKeys": {
-				"two_factor_auth_user_id_users_id_fk": {
-					"name": "two_factor_auth_user_id_users_id_fk",
-					"tableFrom": "two_factor_auth",
-					"tableTo": "users",
-					"schemaTo": "auth",
-					"columnsFrom": ["user_id"],
-					"columnsTo": ["id"],
-					"onDelete": "cascade",
-					"onUpdate": "no action"
-				}
-			},
-			"compositePrimaryKeys": {},
-			"uniqueConstraints": {},
-			"policies": {},
-			"checkConstraints": {},
-			"isRLSEnabled": false
-		},
-		"auth.users": {
-			"name": "users",
-			"schema": "auth",
-			"columns": {
-				"id": {
-					"name": "id",
-					"type": "uuid",
-					"primaryKey": true,
-					"notNull": true,
-					"default": "gen_random_uuid()"
-				},
-				"email": {
-					"name": "email",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"email_verified": {
-					"name": "email_verified",
-					"type": "boolean",
-					"primaryKey": false,
-					"notNull": true,
-					"default": false
-				},
-				"name": {
-					"name": "name",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"avatar_url": {
-					"name": "avatar_url",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": false
-				},
-				"role": {
-					"name": "role",
-					"type": "user_role",
-					"typeSchema": "public",
-					"primaryKey": false,
-					"notNull": true,
-					"default": "'user'"
-				},
-				"created_at": {
-					"name": "created_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": true,
-					"default": "now()"
-				},
-				"updated_at": {
-					"name": "updated_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": true,
-					"default": "now()"
-				},
-				"deleted_at": {
-					"name": "deleted_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": false
-				}
-			},
-			"indexes": {},
-			"foreignKeys": {},
-			"compositePrimaryKeys": {},
-			"uniqueConstraints": {
-				"users_email_unique": {
-					"name": "users_email_unique",
-					"nullsNotDistinct": false,
-					"columns": ["email"]
-				}
-			},
-			"policies": {},
-			"checkConstraints": {},
-			"isRLSEnabled": false
-		},
-		"auth.verification_tokens": {
-			"name": "verification_tokens",
-			"schema": "auth",
-			"columns": {
-				"id": {
-					"name": "id",
-					"type": "uuid",
-					"primaryKey": true,
-					"notNull": true,
-					"default": "gen_random_uuid()"
-				},
-				"user_id": {
-					"name": "user_id",
-					"type": "uuid",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"token": {
-					"name": "token",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"type": {
-					"name": "type",
-					"type": "text",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"expires_at": {
-					"name": "expires_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": true
-				},
-				"created_at": {
-					"name": "created_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": true,
-					"default": "now()"
-				},
-				"used_at": {
-					"name": "used_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": false
-				}
-			},
-			"indexes": {},
-			"foreignKeys": {
-				"verification_tokens_user_id_users_id_fk": {
-					"name": "verification_tokens_user_id_users_id_fk",
-					"tableFrom": "verification_tokens",
-					"tableTo": "users",
-					"schemaTo": "auth",
-					"columnsFrom": ["user_id"],
-					"columnsTo": ["id"],
-					"onDelete": "cascade",
-					"onUpdate": "no action"
-				}
-			},
-			"compositePrimaryKeys": {},
-			"uniqueConstraints": {
-				"verification_tokens_token_unique": {
-					"name": "verification_tokens_token_unique",
-					"nullsNotDistinct": false,
-					"columns": ["token"]
-				}
-			},
-			"policies": {},
-			"checkConstraints": {},
-			"isRLSEnabled": false
-		},
-		"credits.balances": {
-			"name": "balances",
-			"schema": "credits",
-			"columns": {
-				"user_id": {
-					"name": "user_id",
-					"type": "uuid",
-					"primaryKey": true,
-					"notNull": true
-				},
-				"balance": {
-					"name": "balance",
-					"type": "integer",
-					"primaryKey": false,
-					"notNull": true,
-					"default": 0
-				},
-				"free_credits_remaining": {
-					"name": "free_credits_remaining",
-					"type": "integer",
-					"primaryKey": false,
-					"notNull": true,
-					"default": 150
-				},
-				"daily_free_credits": {
-					"name": "daily_free_credits",
-					"type": "integer",
-					"primaryKey": false,
-					"notNull": true,
-					"default": 5
-				},
-				"last_daily_reset_at": {
-					"name": "last_daily_reset_at",
-					"type": "timestamp with time zone",
-					"primaryKey": false,
-					"notNull": false,
-					"default": "now()"
-				},
-				"total_earned": {
-					"name": "total_earned",
-					"type": "integer",
-					"primaryKey": false,
-					"notNull": true,
-					"default": 0
-				},
-				"total_spent": {
-					"name": "total_spent",
-					"type": "integer",
-					"primaryKey": false,
-					"notNull": true,
-					"default": 0
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-				},
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-			},
-			"indexes": {
-				"feedback_user_idx": {
-					"name": "feedback_user_idx",
-					"columns": [
-						{
-							"expression": "user_id",
-							"isExpression": false,
-							"asc": true,
-							"nulls": "last"
-						}
-					],
-					"isUnique": false,
-					"concurrently": false,
-					"method": "btree",
-					"with": {}
-				},
-				"feedback_app_idx": {
-					"name": "feedback_app_idx",
-					"columns": [
-						{
-							"expression": "app_id",
-							"isExpression": false,
-							"asc": true,
-							"nulls": "last"
-						}
-					],
-					"isUnique": false,
-					"concurrently": false,
-					"method": "btree",
-					"with": {}
-				},
-				"feedback_public_idx": {
-					"name": "feedback_public_idx",
-					"columns": [
-						{
-							"expression": "is_public",
-							"isExpression": false,
-							"asc": true,
-							"nulls": "last"
-						}
-					],
-					"isUnique": false,
-					"concurrently": false,
-					"method": "btree",
-					"with": {}
-				},
-				"feedback_status_idx": {
-					"name": "feedback_status_idx",
-					"columns": [
-						{
-							"expression": "status",
-							"isExpression": false,
-							"asc": true,
-							"nulls": "last"
-						}
-					],
-					"isUnique": false,
-					"concurrently": false,
-					"method": "btree",
-					"with": {}
-				},
-				"feedback_created_at_idx": {
-					"name": "feedback_created_at_idx",
-					"columns": [
-						{
-							"expression": "created_at",
-							"isExpression": false,
-							"asc": true,
-							"nulls": "last"
-						}
-					],
-					"isUnique": false,
-					"concurrently": false,
-					"method": "btree",
-					"with": {}
-				}
-			},
-			"foreignKeys": {
-				"user_feedback_user_id_users_id_fk": {
-					"name": "user_feedback_user_id_users_id_fk",
-					"tableFrom": "user_feedback",
-					"tableTo": "users",
-					"schemaTo": "auth",
-					"columnsFrom": ["user_id"],
-					"columnsTo": ["id"],
-					"onDelete": "cascade",
-					"onUpdate": "no action"
-				}
-			},
-			"compositePrimaryKeys": {},
-			"uniqueConstraints": {},
-			"policies": {},
-			"checkConstraints": {},
-			"isRLSEnabled": false
-		}
-	},
-	"enums": {
-		"public.user_role": {
-			"name": "user_role",
-			"schema": "public",
-			"values": ["user", "admin", "service"]
-		},
-		"public.transaction_status": {
-			"name": "transaction_status",
-			"schema": "public",
-			"values": ["pending", "completed", "failed", "cancelled"]
-		},
-		"public.transaction_type": {
-			"name": "transaction_type",
-			"schema": "public",
-			"values": ["purchase", "usage", "refund", "bonus", "expiry", "adjustment"]
-		},
-		"public.feedback_category": {
-			"name": "feedback_category",
-			"schema": "public",
-			"values": ["bug", "feature", "improvement", "question", "other"]
-		},
-		"public.feedback_status": {
-			"name": "feedback_status",
-			"schema": "public",
-			"values": ["submitted", "under_review", "planned", "in_progress", "completed", "declined"]
-		}
-	},
-	"schemas": {
-		"auth": "auth",
-		"credits": "credits",
-		"feedback": "feedback"
-	},
-	"sequences": {},
-	"roles": {},
-	"policies": {},
-	"views": {},
-	"_meta": {
-		"columns": {},
-		"schemas": {},
-		"tables": {}
-	}
-}