diff --git a/.env.example b/.env.example
index 2e36dd6..f77dacc 100644
--- a/.env.example
+++ b/.env.example
@@ -101,6 +101,14 @@ JWT_EXPIRATION=24h
 # SECURITY: Store production keys in a secure secrets manager (see docs/design/credential-security.md)
 ENCRYPTION_KEY=REPLACE_WITH_64_CHAR_HEX_STRING_GENERATE_WITH_OPENSSL_RAND_HEX_32
 
+# ======================
+# OpenBao Secrets Management
+# ======================
+# OpenBao provides Transit encryption for sensitive credentials
+# Auto-initialized on first run via openbao-init sidecar
+OPENBAO_ADDR=http://openbao:8200
+OPENBAO_PORT=8200
+
 # ======================
 # Ollama (Optional AI Service)
 # ======================
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index 6a3e2bd..1128d88 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -68,11 +68,65 @@ services:
     networks:
       - mosaic-network
 
+  openbao:
+    image: quay.io/openbao/openbao:2
+    container_name: mosaic-openbao
+    restart: unless-stopped
+    user: root
+    ports:
+      - "127.0.0.1:${OPENBAO_PORT:-8200}:8200"
+    volumes:
+      - openbao_data:/openbao/data
+      - openbao_init:/openbao/init
+      - ./openbao/config.hcl:/openbao/config/config.hcl:ro
+    environment:
+      VAULT_ADDR: http://0.0.0.0:8200
+      SKIP_SETCAP: "true"
+    entrypoint: ["/bin/sh", "-c"]
+    command: ["bao server -config=/openbao/config/config.hcl"]
+    cap_add:
+      - IPC_LOCK
+    healthcheck:
+      test: ["CMD-SHELL", "nc -z 127.0.0.1 8200 || exit 1"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 10s
+    networks:
+      - mosaic-network
+    labels:
+      com.mosaic.service: "secrets"
+      com.mosaic.description: "OpenBao secrets management"
+
+  openbao-init:
+    image: quay.io/openbao/openbao:2
+    container_name: mosaic-openbao-init
+    restart: unless-stopped
+    user: root
+    volumes:
+      - openbao_init:/openbao/init
+      - ./openbao/init.sh:/init.sh:ro
+    environment:
+      VAULT_ADDR: http://openbao:8200
+    command: /init.sh
+    depends_on:
+      openbao:
+        condition: service_healthy
+    networks:
+      - mosaic-network
+    labels:
+      com.mosaic.service: "secrets-init"
+      com.mosaic.description: "OpenBao auto-initialization sidecar"
+
 volumes:
   postgres_data:
     name: mosaic-postgres-data
   valkey_data:
     name: mosaic-valkey-data
+  openbao_data:
+    name: mosaic-openbao-data
+  openbao_init:
+    name: mosaic-openbao-init
 
 networks:
   mosaic-network:
diff --git a/docker/openbao/config.hcl b/docker/openbao/config.hcl
new file mode 100644
index 0000000..d9f578c
--- /dev/null
+++ b/docker/openbao/config.hcl
@@ -0,0 +1,24 @@
+# OpenBao Server Configuration
+# File storage backend for turnkey deployment
+
+storage "file" {
+  path = "/openbao/data"
+}
+
+# HTTP API listener
+listener "tcp" {
+  address     = "0.0.0.0:8200"
+  tls_disable = 1
+}
+
+# Disable memory locking for Docker compatibility
+disable_mlock = true
+
+# API address for cluster communication
+api_addr = "http://0.0.0.0:8200"
+
+# UI enabled for debugging (disable in production)
+ui = true
+
+# Log level
+log_level = "info"
diff --git a/docker/openbao/init.sh b/docker/openbao/init.sh
new file mode 100755
index 0000000..d3f5f53
--- /dev/null
+++ b/docker/openbao/init.sh
@@ -0,0 +1,294 @@
+#!/bin/sh
+set -e
+
+# OpenBao Auto-Init Script
+# Auto-initializes, unseals, and configures OpenBao on first run
+# Idempotent - safe to run multiple times
+
+INIT_DIR="/openbao/init"
+UNSEAL_KEY_FILE="${INIT_DIR}/unseal-key"
+ROOT_TOKEN_FILE="${INIT_DIR}/root-token"
+APPROLE_CREDS_FILE="${INIT_DIR}/approle-credentials"
+
+VAULT_ADDR="http://openbao:8200"
+export VAULT_ADDR
+
+# Ensure init directory exists
+mkdir -p "${INIT_DIR}"
+
+echo "=== OpenBao Auto-Init Script ==="
+echo "Vault Address: ${VAULT_ADDR}"
+
+# Wait for OpenBao to be ready
+echo "Waiting for OpenBao API to be available..."
+MAX_RETRIES=30
+RETRY_COUNT=0
+while ! wget -q -O- "${VAULT_ADDR}/v1/sys/init" >/dev/null 2>&1; do
+  RETRY_COUNT=$((RETRY_COUNT + 1))
+  if [ ${RETRY_COUNT} -ge ${MAX_RETRIES} ]; then
+    echo "ERROR: OpenBao API not available after ${MAX_RETRIES} attempts"
+    exit 1
+  fi
+  echo "Waiting for OpenBao... (${RETRY_COUNT}/${MAX_RETRIES})"
+  sleep 2
+done
+echo "OpenBao API is available"
+
+# Check initialization status
+INIT_STATUS=$(wget -qO- "${VAULT_ADDR}/v1/sys/init" 2>/dev/null || echo '{"initialized":false}')
+IS_INITIALIZED=$(echo "${INIT_STATUS}" | grep -o '"initialized":[^,}]*' | cut -d':' -f2)
+
+if [ "${IS_INITIALIZED}" = "true" ]; then
+  echo "OpenBao is already initialized"
+
+  # Check if sealed
+  SEAL_STATUS=$(wget -qO- "${VAULT_ADDR}/v1/sys/seal-status" 2>/dev/null)
+  IS_SEALED=$(echo "${SEAL_STATUS}" | grep -o '"sealed":[^,}]*' | cut -d':' -f2)
+
+  if [ "${IS_SEALED}" = "true" ]; then
+    echo "OpenBao is sealed - unsealing..."
+
+    if [ ! -f "${UNSEAL_KEY_FILE}" ]; then
+      echo "ERROR: Unseal key not found at ${UNSEAL_KEY_FILE}"
+      exit 1
+    fi
+
+    UNSEAL_KEY=$(cat "${UNSEAL_KEY_FILE}")
+
+    # Unseal with retry logic
+    MAX_UNSEAL_RETRIES=3
+    UNSEAL_RETRY=0
+    UNSEAL_SUCCESS=false
+
+    while [ ${UNSEAL_RETRY} -lt ${MAX_UNSEAL_RETRIES} ]; do
+      UNSEAL_RESPONSE=$(wget -qO- --header="Content-Type: application/json" --post-data="{\"key\":\"${UNSEAL_KEY}\"}" "${VAULT_ADDR}/v1/sys/unseal" 2>&1)
+
+      # Verify unseal was successful by checking sealed status
+      sleep 1
+      VERIFY_STATUS=$(wget -qO- "${VAULT_ADDR}/v1/sys/seal-status" 2>/dev/null || echo '{"sealed":true}')
+      VERIFY_SEALED=$(echo "${VERIFY_STATUS}" | grep -o '"sealed":[^,}]*' | cut -d':' -f2)
+
+      if [ "${VERIFY_SEALED}" = "false" ]; then
+        UNSEAL_SUCCESS=true
+        echo "OpenBao unsealed successfully"
+        break
+      fi
+
+      UNSEAL_RETRY=$((UNSEAL_RETRY + 1))
+      echo "Unseal attempt ${UNSEAL_RETRY} failed, retrying..."
+      sleep 2
+    done
+
+    if [ "${UNSEAL_SUCCESS}" = "false" ]; then
+      echo "ERROR: Failed to unseal OpenBao after ${MAX_UNSEAL_RETRIES} attempts"
+      exit 1
+    fi
+  else
+    echo "OpenBao is already unsealed"
+  fi
+
+  # Verify Transit engine and AppRole are configured
+  if [ -f "${ROOT_TOKEN_FILE}" ]; then
+    export VAULT_TOKEN=$(cat "${ROOT_TOKEN_FILE}")
+
+    # Check Transit engine
+    if ! bao secrets list | grep -q "transit/"; then
+      echo "Transit engine not found - configuring..."
+      bao secrets enable transit
+      echo "Transit secrets engine enabled"
+    else
+      echo "Transit secrets engine already enabled"
+    fi
+
+    # Check AppRole
+    if ! bao auth list | grep -q "approle/"; then
+      echo "AppRole not found - configuring..."
+      bao auth enable approle
+      echo "AppRole auth method enabled"
+    else
+      echo "AppRole auth method already enabled"
+    fi
+  fi
+
+  echo "Initialization check complete - OpenBao is ready"
+  exit 0
+fi
+
+echo "OpenBao is not initialized - initializing with 1-of-1 key shares..."
+
+# Initialize with 1 key share, threshold 1 (turnkey mode)
+INIT_OUTPUT=$(bao operator init -key-shares=1 -key-threshold=1 -format=json)
+
+# Extract unseal key and root token from JSON output
+# First collapse multi-line JSON to single line, then parse
+INIT_JSON=$(echo "${INIT_OUTPUT}" | tr -d '\n' | tr -d ' ')
+UNSEAL_KEY=$(echo "${INIT_JSON}" | grep -o '"unseal_keys_b64":\["[^"]*"' | cut -d'"' -f4)
+ROOT_TOKEN=$(echo "${INIT_JSON}" | grep -o '"root_token":"[^"]*"' | cut -d'"' -f4)
+
+# Save to files
+echo "${UNSEAL_KEY}" > "${UNSEAL_KEY_FILE}"
+echo "${ROOT_TOKEN}" > "${ROOT_TOKEN_FILE}"
+chmod 600 "${UNSEAL_KEY_FILE}" "${ROOT_TOKEN_FILE}"
+
+echo "Initialization complete"
+echo "Unseal key saved to ${UNSEAL_KEY_FILE}"
+echo "Root token saved to ${ROOT_TOKEN_FILE}"
+
+# Unseal with retry logic
+echo "Unsealing OpenBao..."
+MAX_UNSEAL_RETRIES=3
+UNSEAL_RETRY=0
+UNSEAL_SUCCESS=false
+
+while [ ${UNSEAL_RETRY} -lt ${MAX_UNSEAL_RETRIES} ]; do
+  UNSEAL_RESPONSE=$(wget -qO- --header="Content-Type: application/json" --post-data="{\"key\":\"${UNSEAL_KEY}\"}" "${VAULT_ADDR}/v1/sys/unseal" 2>&1)
+
+  # Verify unseal was successful by checking sealed status
+  sleep 1
+  VERIFY_STATUS=$(wget -qO- "${VAULT_ADDR}/v1/sys/seal-status" 2>/dev/null || echo '{"sealed":true}')
+  VERIFY_SEALED=$(echo "${VERIFY_STATUS}" | grep -o '"sealed":[^,}]*' | cut -d':' -f2)
+
+  if [ "${VERIFY_SEALED}" = "false" ]; then
+    UNSEAL_SUCCESS=true
+    echo "OpenBao unsealed successfully"
+    break
+  fi
+
+  UNSEAL_RETRY=$((UNSEAL_RETRY + 1))
+  echo "Unseal attempt ${UNSEAL_RETRY} failed, retrying..."
+  sleep 2
+done
+
+if [ "${UNSEAL_SUCCESS}" = "false" ]; then
+  echo "ERROR: Failed to unseal OpenBao after ${MAX_UNSEAL_RETRIES} attempts"
+  exit 1
+fi
+
+# Configure with root token
+export VAULT_TOKEN="${ROOT_TOKEN}"
+
+# Enable Transit secrets engine
+echo "Enabling Transit secrets engine..."
+bao secrets enable transit
+echo "Transit secrets engine enabled"
+
+# Create Transit encryption keys
+echo "Creating Transit encryption keys..."
+
+bao write -f transit/keys/mosaic-credentials type=aes256-gcm96
+echo "Created key: mosaic-credentials"
+
+bao write -f transit/keys/mosaic-account-tokens type=aes256-gcm96
+echo "Created key: mosaic-account-tokens"
+
+bao write -f transit/keys/mosaic-federation type=aes256-gcm96
+echo "Created key: mosaic-federation"
+
+bao write -f transit/keys/mosaic-llm-config type=aes256-gcm96
+echo "Created key: mosaic-llm-config"
+
+echo "All Transit keys created"
+
+# Enable AppRole auth method
+echo "Enabling AppRole auth method..."
+bao auth enable approle
+echo "AppRole auth method enabled"
+
+# Create Transit-only policy
+echo "Creating Transit-only policy..."
+cat > /tmp/transit-policy.hcl <<EOF
+# Transit-only policy for Mosaic API
+# Allows encrypt/decrypt operations only
+
+path "transit/encrypt/*" {
+  capabilities = ["update"]
+}
+
+path "transit/decrypt/*" {
+  capabilities = ["update"]
+}
+
+# Deny all other paths
+path "*" {
+  capabilities = ["deny"]
+}
+EOF
+
+bao policy write mosaic-transit-policy /tmp/transit-policy.hcl
+echo "Transit policy created"
+
+# Create AppRole
+echo "Creating AppRole: mosaic-transit..."
+bao write auth/approle/role/mosaic-transit \
+  token_policies="mosaic-transit-policy" \
+  token_ttl=1h \
+  token_max_ttl=4h
+echo "AppRole created"
+
+# Get AppRole credentials
+echo "Generating AppRole credentials..."
+ROLE_ID_JSON=$(bao read -format=json auth/approle/role/mosaic-transit/role-id | tr -d '\n' | tr -d ' ')
+ROLE_ID=$(echo "${ROLE_ID_JSON}" | grep -o '"role_id":"[^"]*"' | cut -d'"' -f4)
+
+SECRET_ID_JSON=$(bao write -format=json -f auth/approle/role/mosaic-transit/secret-id | tr -d '\n' | tr -d ' ')
+SECRET_ID=$(echo "${SECRET_ID_JSON}" | grep -o '"secret_id":"[^"]*"' | cut -d'"' -f4)
+
+# Save credentials to file
+cat > "${APPROLE_CREDS_FILE}" <<EOF
+{
+  "role_id": "${ROLE_ID}",
+  "secret_id": "${SECRET_ID}"
+}
+EOF
+chmod 600 "${APPROLE_CREDS_FILE}"
+
+echo "AppRole credentials saved to ${APPROLE_CREDS_FILE}"
+
+echo "=== OpenBao Configuration Complete ==="
+echo "Status:"
+bao status
+
+echo ""
+echo "Transit Keys:"
+bao list transit/keys
+
+echo ""
+echo "Auth Methods:"
+bao auth list
+
+echo ""
+echo "Initialization complete - OpenBao is ready for use"
+
+# Watch loop to handle unsealing after container restarts
+echo ""
+echo "Starting unseal watch loop (checks every 30 seconds)..."
+while true; do
+  sleep 30
+
+  # Check if OpenBao is sealed
+  SEAL_STATUS=$(wget -qO- "${VAULT_ADDR}/v1/sys/seal-status" 2>/dev/null || echo '{"sealed":false}')
+  IS_SEALED=$(echo "${SEAL_STATUS}" | grep -o '"sealed":[^,}]*' | cut -d':' -f2)
+
+  if [ "${IS_SEALED}" = "true" ]; then
+    echo "OpenBao is sealed - unsealing..."
+    if [ -f "${UNSEAL_KEY_FILE}" ]; then
+      UNSEAL_KEY=$(cat "${UNSEAL_KEY_FILE}")
+
+      # Try to unseal with verification
+      UNSEAL_RESPONSE=$(wget -qO- --header="Content-Type: application/json" --post-data="{\"key\":\"${UNSEAL_KEY}\"}" "${VAULT_ADDR}/v1/sys/unseal" 2>&1)
+
+      # Verify unseal was successful
+      sleep 1
+      VERIFY_STATUS=$(wget -qO- "${VAULT_ADDR}/v1/sys/seal-status" 2>/dev/null || echo '{"sealed":true}')
+      VERIFY_SEALED=$(echo "${VERIFY_STATUS}" | grep -o '"sealed":[^,}]*' | cut -d':' -f2)
+
+      if [ "${VERIFY_SEALED}" = "false" ]; then
+        echo "OpenBao unsealed successfully"
+      else
+        echo "WARNING: Unseal operation completed but OpenBao is still sealed"
+      fi
+    else
+      echo "WARNING: Unseal key not found, cannot auto-unseal"
+    fi
+  fi
+done
diff --git a/tests/integration/docker-stack.test.ts b/tests/integration/docker-stack.test.ts
index eaaa58b..23245f5 100644
--- a/tests/integration/docker-stack.test.ts
+++ b/tests/integration/docker-stack.test.ts
@@ -1,6 +1,6 @@
-import { describe, it, expect, beforeAll, afterAll } from 'vitest';
-import { exec } from 'child_process';
-import { promisify } from 'util';
+import { describe, it, expect, beforeAll, afterAll } from "vitest";
+import { exec } from "child_process";
+import { promisify } from "util";
 
 const execAsync = promisify(exec);
 
@@ -8,7 +8,7 @@ const execAsync = promisify(exec);
  * Docker Stack Integration Tests
  * Tests the full Docker Compose stack deployment
  */
-describe('Docker Stack Integration Tests', () => {
+describe("Docker Stack Integration Tests", () => {
   const TIMEOUT = 120000; // 2 minutes for Docker operations
   const HEALTH_CHECK_RETRIES = 30;
   const HEALTH_CHECK_INTERVAL = 2000;
@@ -28,19 +28,14 @@ describe('Docker Stack Integration Tests', () => {
    */
   async function waitForService(
     serviceName: string,
-    retries = HEALTH_CHECK_RETRIES,
+    retries = HEALTH_CHECK_RETRIES
   ): Promise<boolean> {
     for (let i = 0; i < retries; i++) {
       try {
-        const { stdout } = await execAsync(
-          `docker compose ps --format json ${serviceName}`,
-        );
+        const { stdout } = await execAsync(`docker compose ps --format json ${serviceName}`);
         const serviceInfo = JSON.parse(stdout);
 
-        if (
-          serviceInfo.Health === 'healthy' ||
-          serviceInfo.State === 'running'
-        ) {
+        if (serviceInfo.Health === "healthy" || serviceInfo.State === "running") {
           return true;
         }
       } catch (error) {
@@ -64,190 +59,186 @@ describe('Docker Stack Integration Tests', () => {
     }
   }
 
-  describe('Core Services', () => {
+  describe("Core Services", () => {
     beforeAll(async () => {
       // Ensure clean state
-      await dockerCompose('down -v').catch(() => {});
+      await dockerCompose("down -v").catch(() => {});
     }, TIMEOUT);
 
     afterAll(async () => {
       // Cleanup
-      await dockerCompose('down -v').catch(() => {});
+      await dockerCompose("down -v").catch(() => {});
     }, TIMEOUT);
 
     it(
-      'should start PostgreSQL with health check',
+      "should start PostgreSQL with health check",
       async () => {
         // Start only PostgreSQL
-        await dockerCompose('up -d postgres');
+        await dockerCompose("up -d postgres");
 
         // Wait for service to be healthy
-        const isHealthy = await waitForService('postgres');
+        const isHealthy = await waitForService("postgres");
         expect(isHealthy).toBe(true);
 
         // Verify container is running
-        const ps = await dockerCompose('ps postgres');
-        expect(ps).toContain('mosaic-postgres');
-        expect(ps).toContain('Up');
+        const ps = await dockerCompose("ps postgres");
+        expect(ps).toContain("mosaic-postgres");
+        expect(ps).toContain("Up");
       },
-      TIMEOUT,
+      TIMEOUT
     );
 
     it(
-      'should start Valkey with health check',
+      "should start Valkey with health check",
       async () => {
         // Start Valkey
-        await dockerCompose('up -d valkey');
+        await dockerCompose("up -d valkey");
 
         // Wait for service to be healthy
-        const isHealthy = await waitForService('valkey');
+        const isHealthy = await waitForService("valkey");
         expect(isHealthy).toBe(true);
 
         // Verify container is running
-        const ps = await dockerCompose('ps valkey');
-        expect(ps).toContain('mosaic-valkey');
-        expect(ps).toContain('Up');
+        const ps = await dockerCompose("ps valkey");
+        expect(ps).toContain("mosaic-valkey");
+        expect(ps).toContain("Up");
       },
-      TIMEOUT,
+      TIMEOUT
     );
 
     it(
-      'should have proper network configuration',
+      "should have proper network configuration",
       async () => {
         // Check if mosaic-internal network exists
-        const { stdout } = await execAsync('docker network ls');
-        expect(stdout).toContain('mosaic-internal');
-        expect(stdout).toContain('mosaic-public');
+        const { stdout } = await execAsync("docker network ls");
+        expect(stdout).toContain("mosaic-internal");
+        expect(stdout).toContain("mosaic-public");
       },
-      TIMEOUT,
+      TIMEOUT
     );
 
     it(
-      'should have proper volume configuration',
+      "should have proper volume configuration",
       async () => {
         // Check if volumes are created
-        const { stdout } = await execAsync('docker volume ls');
-        expect(stdout).toContain('mosaic-postgres-data');
-        expect(stdout).toContain('mosaic-valkey-data');
+        const { stdout } = await execAsync("docker volume ls");
+        expect(stdout).toContain("mosaic-postgres-data");
+        expect(stdout).toContain("mosaic-valkey-data");
       },
-      TIMEOUT,
+      TIMEOUT
     );
   });
 
-  describe('Application Services', () => {
+  describe("Application Services", () => {
     beforeAll(async () => {
       // Start core services first
-      await dockerCompose('up -d postgres valkey');
-      await waitForService('postgres');
-      await waitForService('valkey');
+      await dockerCompose("up -d postgres valkey");
+      await waitForService("postgres");
+      await waitForService("valkey");
     }, TIMEOUT);
 
     afterAll(async () => {
-      await dockerCompose('down -v').catch(() => {});
+      await dockerCompose("down -v").catch(() => {});
     }, TIMEOUT);
 
     it(
-      'should start API service with dependencies',
+      "should start API service with dependencies",
       async () => {
         // Start API
-        await dockerCompose('up -d api');
+        await dockerCompose("up -d api");
 
         // Wait for API to be healthy
-        const isHealthy = await waitForService('api');
+        const isHealthy = await waitForService("api");
         expect(isHealthy).toBe(true);
 
         // Verify API is accessible
-        const apiHealthy = await checkHttpEndpoint('http://localhost:3001/health');
+        const apiHealthy = await checkHttpEndpoint("http://localhost:3001/health");
         expect(apiHealthy).toBe(true);
       },
-      TIMEOUT,
+      TIMEOUT
     );
 
     it(
-      'should start Web service with dependencies',
+      "should start Web service with dependencies",
       async () => {
         // Ensure API is running
-        await dockerCompose('up -d api');
-        await waitForService('api');
+        await dockerCompose("up -d api");
+        await waitForService("api");
 
         // Start Web
-        await dockerCompose('up -d web');
+        await dockerCompose("up -d web");
 
         // Wait for Web to be healthy
-        const isHealthy = await waitForService('web');
+        const isHealthy = await waitForService("web");
         expect(isHealthy).toBe(true);
 
         // Verify Web is accessible
-        const webHealthy = await checkHttpEndpoint('http://localhost:3000');
+        const webHealthy = await checkHttpEndpoint("http://localhost:3000");
         expect(webHealthy).toBe(true);
       },
-      TIMEOUT,
+      TIMEOUT
     );
   });
 
-  describe('Optional Services (Profiles)', () => {
+  describe("Optional Services (Profiles)", () => {
     afterAll(async () => {
-      await dockerCompose('down -v').catch(() => {});
+      await dockerCompose("down -v").catch(() => {});
     }, TIMEOUT);
 
     it(
-      'should start Authentik services with profile',
+      "should start Authentik services with profile",
       async () => {
         // Start Authentik services using profile
-        await dockerCompose('--profile authentik up -d');
+        await dockerCompose("--profile authentik up -d");
 
         // Wait for Authentik dependencies
-        await waitForService('authentik-postgres');
-        await waitForService('authentik-redis');
+        await waitForService("authentik-postgres");
+        await waitForService("authentik-redis");
 
         // Verify Authentik server starts
-        const isHealthy = await waitForService('authentik-server');
+        const isHealthy = await waitForService("authentik-server");
         expect(isHealthy).toBe(true);
 
         // Verify Authentik is accessible
-        const authentikHealthy = await checkHttpEndpoint(
-          'http://localhost:9000/-/health/live/',
-        );
+        const authentikHealthy = await checkHttpEndpoint("http://localhost:9000/-/health/live/");
         expect(authentikHealthy).toBe(true);
       },
-      TIMEOUT,
+      TIMEOUT
     );
 
     it(
-      'should start Ollama service with profile',
+      "should start Ollama service with profile",
       async () => {
         // Start Ollama using profile
-        await dockerCompose('--profile ollama up -d ollama');
+        await dockerCompose("--profile ollama up -d ollama");
 
         // Wait for Ollama to start
-        const isHealthy = await waitForService('ollama');
+        const isHealthy = await waitForService("ollama");
         expect(isHealthy).toBe(true);
 
         // Verify Ollama is accessible
-        const ollamaHealthy = await checkHttpEndpoint(
-          'http://localhost:11434/api/tags',
-        );
+        const ollamaHealthy = await checkHttpEndpoint("http://localhost:11434/api/tags");
         expect(ollamaHealthy).toBe(true);
       },
-      TIMEOUT,
+      TIMEOUT
     );
   });
 
-  describe('Full Stack', () => {
+  describe("Full Stack", () => {
     it(
-      'should start entire stack with all services',
+      "should start entire stack with all services",
       async () => {
         // Clean slate
-        await dockerCompose('down -v').catch(() => {});
+        await dockerCompose("down -v").catch(() => {});
 
         // Start all core services (without profiles)
-        await dockerCompose('up -d');
+        await dockerCompose("up -d");
 
         // Wait for all core services
-        const postgresHealthy = await waitForService('postgres');
-        const valkeyHealthy = await waitForService('valkey');
-        const apiHealthy = await waitForService('api');
-        const webHealthy = await waitForService('web');
+        const postgresHealthy = await waitForService("postgres");
+        const valkeyHealthy = await waitForService("valkey");
+        const apiHealthy = await waitForService("api");
+        const webHealthy = await waitForService("web");
 
         expect(postgresHealthy).toBe(true);
         expect(valkeyHealthy).toBe(true);
@@ -255,255 +246,246 @@ describe('Docker Stack Integration Tests', () => {
         expect(webHealthy).toBe(true);
 
         // Verify all services are running
-        const ps = await dockerCompose('ps');
-        expect(ps).toContain('mosaic-postgres');
-        expect(ps).toContain('mosaic-valkey');
-        expect(ps).toContain('mosaic-api');
-        expect(ps).toContain('mosaic-web');
+        const ps = await dockerCompose("ps");
+        expect(ps).toContain("mosaic-postgres");
+        expect(ps).toContain("mosaic-valkey");
+        expect(ps).toContain("mosaic-api");
+        expect(ps).toContain("mosaic-web");
       },
-      TIMEOUT * 2,
+      TIMEOUT * 2
     );
   });
 
-  describe('Service Dependencies', () => {
+  describe("Service Dependencies", () => {
     beforeAll(async () => {
-      await dockerCompose('down -v').catch(() => {});
+      await dockerCompose("down -v").catch(() => {});
     }, TIMEOUT);
 
     afterAll(async () => {
-      await dockerCompose('down -v').catch(() => {});
+      await dockerCompose("down -v").catch(() => {});
     }, TIMEOUT);
 
     it(
-      'should enforce dependency order',
+      "should enforce dependency order",
       async () => {
         // Start web service (should auto-start dependencies)
-        await dockerCompose('up -d web');
+        await dockerCompose("up -d web");
 
         // Wait a bit for services to start
         await new Promise((resolve) => setTimeout(resolve, 10000));
 
         // Verify all dependencies are running
-        const ps = await dockerCompose('ps');
-        expect(ps).toContain('mosaic-postgres');
-        expect(ps).toContain('mosaic-valkey');
-        expect(ps).toContain('mosaic-api');
-        expect(ps).toContain('mosaic-web');
+        const ps = await dockerCompose("ps");
+        expect(ps).toContain("mosaic-postgres");
+        expect(ps).toContain("mosaic-valkey");
+        expect(ps).toContain("mosaic-api");
+        expect(ps).toContain("mosaic-web");
       },
-      TIMEOUT,
+      TIMEOUT
     );
   });
 
-  describe('Container Labels', () => {
+  describe("Container Labels", () => {
     beforeAll(async () => {
-      await dockerCompose('up -d postgres valkey');
+      await dockerCompose("up -d postgres valkey");
     }, TIMEOUT);
 
     afterAll(async () => {
-      await dockerCompose('down -v').catch(() => {});
+      await dockerCompose("down -v").catch(() => {});
     }, TIMEOUT);
 
-    it('should have proper labels on containers', async () => {
+    it("should have proper labels on containers", async () => {
       // Check PostgreSQL labels
       const { stdout: pgLabels } = await execAsync(
-        'docker inspect mosaic-postgres --format "{{json .Config.Labels}}"',
+        'docker inspect mosaic-postgres --format "{{json .Config.Labels}}"'
       );
       const pgLabelsObj = JSON.parse(pgLabels);
-      expect(pgLabelsObj['com.mosaic.service']).toBe('database');
-      expect(pgLabelsObj['com.mosaic.description']).toBeDefined();
+      expect(pgLabelsObj["com.mosaic.service"]).toBe("database");
+      expect(pgLabelsObj["com.mosaic.description"]).toBeDefined();
 
       // Check Valkey labels
       const { stdout: valkeyLabels } = await execAsync(
-        'docker inspect mosaic-valkey --format "{{json .Config.Labels}}"',
+        'docker inspect mosaic-valkey --format "{{json .Config.Labels}}"'
       );
       const valkeyLabelsObj = JSON.parse(valkeyLabels);
-      expect(valkeyLabelsObj['com.mosaic.service']).toBe('cache');
-      expect(valkeyLabelsObj['com.mosaic.description']).toBeDefined();
+      expect(valkeyLabelsObj["com.mosaic.service"]).toBe("cache");
+      expect(valkeyLabelsObj["com.mosaic.description"]).toBeDefined();
     });
+  });
 
-  describe('Failure Scenarios', () => {
+  describe("Failure Scenarios", () => {
     const TIMEOUT = 120000;
 
     beforeAll(async () => {
-      await dockerCompose('down -v').catch(() => {});
+      await dockerCompose("down -v").catch(() => {});
     }, TIMEOUT);
 
     afterAll(async () => {
-      await dockerCompose('down -v').catch(() => {});
+      await dockerCompose("down -v").catch(() => {});
     }, TIMEOUT);
 
     it(
-      'should handle service restart after crash',
+      "should handle service restart after crash",
       async () => {
-        await dockerCompose('up -d postgres');
-        await waitForService('postgres');
+        await dockerCompose("up -d postgres");
+        await waitForService("postgres");
 
-        const { stdout: containerName } = await execAsync(
-          'docker compose ps -q postgres',
-        );
+        const { stdout: containerName } = await execAsync("docker compose ps -q postgres");
         const trimmedName = containerName.trim();
 
         await execAsync(`docker kill ${trimmedName}`);
 
         await new Promise((resolve) => setTimeout(resolve, 3000));
 
-        await dockerCompose('up -d postgres');
+        await dockerCompose("up -d postgres");
 
-        const isHealthy = await waitForService('postgres');
+        const isHealthy = await waitForService("postgres");
         expect(isHealthy).toBe(true);
       },
-      TIMEOUT,
+      TIMEOUT
     );
 
     it(
-      'should handle port conflict gracefully',
+      "should handle port conflict gracefully",
       async () => {
         try {
           const { stdout } = await execAsync(
-            'docker run -d -p 5432:5432 --name port-blocker postgres:17-alpine',
+            "docker run -d -p 5432:5432 --name port-blocker postgres:17-alpine"
           );
 
-          await dockerCompose('up -d postgres').catch((error) => {
-            expect(error.message).toContain('port is already allocated');
+          await dockerCompose("up -d postgres").catch((error) => {
+            expect(error.message).toContain("port is already allocated");
           });
         } finally {
-          await execAsync('docker rm -f port-blocker').catch(() => {});
+          await execAsync("docker rm -f port-blocker").catch(() => {});
         }
       },
-      TIMEOUT,
+      TIMEOUT
     );
 
     it(
-      'should handle invalid volume mount paths',
+      "should handle invalid volume mount paths",
       async () => {
         try {
           await execAsync(
-            'docker run -d --name invalid-mount -v /nonexistent/path:/data postgres:17-alpine',
+            "docker run -d --name invalid-mount -v /nonexistent/path:/data postgres:17-alpine"
           );
 
           const { stdout } = await execAsync(
-            'docker ps -a -f name=invalid-mount --format "{{.Status}}"',
+            'docker ps -a -f name=invalid-mount --format "{{.Status}}"'
           );
 
           expect(stdout).toBeDefined();
         } catch (error) {
           expect(error).toBeDefined();
         } finally {
-          await execAsync('docker rm -f invalid-mount').catch(() => {});
+          await execAsync("docker rm -f invalid-mount").catch(() => {});
         }
       },
-      TIMEOUT,
+      TIMEOUT
     );
 
     it(
-      'should handle network partition scenarios',
+      "should handle network partition scenarios",
       async () => {
-        await dockerCompose('up -d postgres valkey');
-        await waitForService('postgres');
-        await waitForService('valkey');
+        await dockerCompose("up -d postgres valkey");
+        await waitForService("postgres");
+        await waitForService("valkey");
 
-        const { stdout: postgresContainer } = await execAsync(
-          'docker compose ps -q postgres',
-        );
+        const { stdout: postgresContainer } = await execAsync("docker compose ps -q postgres");
         const trimmedPostgres = postgresContainer.trim();
 
-        await execAsync(
-          `docker network disconnect mosaic-internal ${trimmedPostgres}`,
-        );
+        await execAsync(`docker network disconnect mosaic-internal ${trimmedPostgres}`);
 
         await new Promise((resolve) => setTimeout(resolve, 2000));
 
-        await execAsync(
-          `docker network connect mosaic-internal ${trimmedPostgres}`,
-        );
+        await execAsync(`docker network connect mosaic-internal ${trimmedPostgres}`);
 
-        const isHealthy = await waitForService('postgres');
+        const isHealthy = await waitForService("postgres");
         expect(isHealthy).toBe(true);
       },
-      TIMEOUT,
+      TIMEOUT
     );
 
     it(
-      'should handle container out of memory scenario',
+      "should handle container out of memory scenario",
       async () => {
         try {
           const { stdout } = await execAsync(
-            'docker run -d --name mem-limited --memory="10m" postgres:17-alpine',
+            'docker run -d --name mem-limited --memory="10m" postgres:17-alpine'
           );
 
           await new Promise((resolve) => setTimeout(resolve, 5000));
 
           const { stdout: status } = await execAsync(
-            'docker inspect mem-limited --format "{{.State.Status}}"',
+            'docker inspect mem-limited --format "{{.State.Status}}"'
           );
 
-          expect(['exited', 'running']).toContain(status.trim());
+          expect(["exited", "running"]).toContain(status.trim());
         } finally {
-          await execAsync('docker rm -f mem-limited').catch(() => {});
+          await execAsync("docker rm -f mem-limited").catch(() => {});
         }
       },
-      TIMEOUT,
+      TIMEOUT
     );
 
     it(
-      'should handle disk space issues gracefully',
+      "should handle disk space issues gracefully",
       async () => {
-        await dockerCompose('up -d postgres');
-        await waitForService('postgres');
+        await dockerCompose("up -d postgres");
+        await waitForService("postgres");
 
-        const { stdout } = await execAsync('docker system df');
-        expect(stdout).toContain('Images');
-        expect(stdout).toContain('Containers');
-        expect(stdout).toContain('Volumes');
+        const { stdout } = await execAsync("docker system df");
+        expect(stdout).toContain("Images");
+        expect(stdout).toContain("Containers");
+        expect(stdout).toContain("Volumes");
       },
-      TIMEOUT,
+      TIMEOUT
     );
 
     it(
-      'should handle service dependency failures',
+      "should handle service dependency failures",
       async () => {
-        await dockerCompose('up -d postgres').catch(() => {});
+        await dockerCompose("up -d postgres").catch(() => {});
 
-        const { stdout: postgresContainer } = await execAsync(
-          'docker compose ps -q postgres',
-        );
+        const { stdout: postgresContainer } = await execAsync("docker compose ps -q postgres");
         const trimmedPostgres = postgresContainer.trim();
 
         if (trimmedPostgres) {
           await execAsync(`docker stop ${trimmedPostgres}`);
 
           try {
-            await dockerCompose('up -d api');
+            await dockerCompose("up -d api");
           } catch (error) {
             expect(error).toBeDefined();
           }
 
-          await dockerCompose('start postgres').catch(() => {});
-          await waitForService('postgres');
+          await dockerCompose("start postgres").catch(() => {});
+          await waitForService("postgres");
 
-          await dockerCompose('up -d api');
-          const apiHealthy = await waitForService('api');
+          await dockerCompose("up -d api");
+          const apiHealthy = await waitForService("api");
           expect(apiHealthy).toBe(true);
         }
       },
-      TIMEOUT,
+      TIMEOUT
     );
 
     it(
-      'should recover from corrupted volume data',
+      "should recover from corrupted volume data",
       async () => {
-        await dockerCompose('up -d postgres');
-        await waitForService('postgres');
+        await dockerCompose("up -d postgres");
+        await waitForService("postgres");
 
-        await dockerCompose('down');
+        await dockerCompose("down");
 
-        await execAsync('docker volume rm mosaic-postgres-data').catch(() => {});
+        await execAsync("docker volume rm mosaic-postgres-data").catch(() => {});
 
-        await dockerCompose('up -d postgres');
-        const isHealthy = await waitForService('postgres');
+        await dockerCompose("up -d postgres");
+        const isHealthy = await waitForService("postgres");
         expect(isHealthy).toBe(true);
       },
-      TIMEOUT,
+      TIMEOUT
     );
   });
 });
diff --git a/tests/integration/openbao.test.ts b/tests/integration/openbao.test.ts
new file mode 100644
index 0000000..3d3dc4b
--- /dev/null
+++ b/tests/integration/openbao.test.ts
@@ -0,0 +1,600 @@
+import { describe, it, expect, beforeAll, afterAll } from "vitest";
+import { exec } from "child_process";
+import { promisify } from "util";
+
+const execAsync = promisify(exec);
+
+/**
+ * OpenBao Integration Tests
+ * Tests the OpenBao deployment with auto-init and Transit engine
+ */
+describe("OpenBao Integration Tests", () => {
+  const TIMEOUT = 120000; // 2 minutes for Docker operations
+  const HEALTH_CHECK_RETRIES = 30;
+  const HEALTH_CHECK_INTERVAL = 2000;
+
+  // Top-level setup: Start services once for all tests
+  beforeAll(async () => {
+    // Ensure clean state
+    await execAsync("docker compose down -v", {
+      cwd: `${process.cwd()}/docker`,
+    }).catch(() => {});
+
+    // Start OpenBao and init container
+    await execAsync("docker compose up -d openbao openbao-init", {
+      cwd: `${process.cwd()}/docker`,
+    });
+
+    // Wait for OpenBao to be healthy
+    const openbaoHealthy = await waitForService("openbao");
+    if (!openbaoHealthy) {
+      throw new Error("OpenBao failed to become healthy");
+    }
+
+    // Wait for initialization to complete (init container running)
+    const initRunning = await waitForService("openbao-init");
+    if (!initRunning) {
+      throw new Error("OpenBao init container failed to start");
+    }
+
+    // Wait for initialization to complete (give it time to configure)
+    await new Promise((resolve) => setTimeout(resolve, 30000));
+  }, 180000); // 3 minutes for initial setup
+
+  // Top-level teardown: Clean up after all tests
+  afterAll(async () => {
+    await execAsync("docker compose down -v", {
+      cwd: `${process.cwd()}/docker`,
+    }).catch(() => {});
+  }, TIMEOUT);
+
+  /**
+   * Helper function to execute Docker Compose commands
+   */
+  async function dockerCompose(command: string): Promise<string> {
+    const { stdout } = await execAsync(`docker compose ${command}`, {
+      cwd: `${process.cwd()}/docker`,
+    });
+    return stdout;
+  }
+
+  /**
+   * Helper function to check if a service is healthy
+   */
+  async function waitForService(
+    serviceName: string,
+    retries = HEALTH_CHECK_RETRIES
+  ): Promise<boolean> {
+    for (let i = 0; i < retries; i++) {
+      try {
+        const { stdout } = await execAsync(`docker compose ps --format json ${serviceName}`, {
+          cwd: `${process.cwd()}/docker`,
+        });
+        const serviceInfo = JSON.parse(stdout);
+
+        if (serviceInfo.Health === "healthy" || serviceInfo.State === "running") {
+          return true;
+        }
+      } catch (error) {
+        // Service not ready yet
+      }
+
+      await new Promise((resolve) => setTimeout(resolve, HEALTH_CHECK_INTERVAL));
+    }
+    return false;
+  }
+
+  /**
+   * Helper function to check HTTP endpoint
+   * Returns true for any non-5xx status (including sealed/uninitialized states)
+   */
+  async function checkHttpEndpoint(url: string): Promise<boolean> {
+    try {
+      const response = await fetch(url);
+      // OpenBao returns 501 when uninitialized, 503 when sealed
+      // Both are valid "healthy" states for these tests
+      return response.status < 500;
+    } catch (error) {
+      return false;
+    }
+  }
+
+  /**
+   * Helper to execute commands inside OpenBao container
+   */
+  async function execInBao(command: string): Promise<string> {
+    const { stdout } = await execAsync(`docker compose exec -T openbao ${command}`, {
+      cwd: `${process.cwd()}/docker`,
+    });
+    return stdout;
+  }
+
+  /**
+   * Helper to read secret files from OpenBao init volume
+   * Uses docker run to mount volume and read file safely
+   * Sanitizes error messages to prevent secret leakage
+   */
+  async function readSecretFile(fileName: string): Promise<string> {
+    try {
+      const { stdout } = await execAsync(
+        `docker run --rm -v mosaic-openbao-init:/data alpine cat /data/${fileName}`
+      );
+      return stdout.trim();
+    } catch (error) {
+      // Sanitize error message to prevent secret leakage
+      const sanitizedError = new Error(
+        `Failed to read secret file: ${fileName} (file may not exist or volume not mounted)`
+      );
+      throw sanitizedError;
+    }
+  }
+
+  /**
+   * Helper to read and parse JSON secret file
+   */
+  async function readSecretJSON(fileName: string): Promise<any> {
+    try {
+      const content = await readSecretFile(fileName);
+      return JSON.parse(content);
+    } catch (error) {
+      // Sanitize error to prevent leaking partial secret data
+      const sanitizedError = new Error(`Failed to parse secret JSON from: ${fileName}`);
+      throw sanitizedError;
+    }
+  }
+
+  describe("OpenBao Service Startup", () => {
+    it(
+      "should start OpenBao server with health check",
+      async () => {
+        // Start OpenBao service
+        await dockerCompose("up -d openbao");
+
+        // Wait for service to be healthy
+        const isHealthy = await waitForService("openbao");
+        expect(isHealthy).toBe(true);
+
+        // Verify container is running
+        const ps = await dockerCompose("ps openbao");
+        expect(ps).toContain("mosaic-openbao");
+        expect(ps).toContain("Up");
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should have OpenBao API accessible on port 8200",
+      async () => {
+        // Ensure OpenBao is running
+        await dockerCompose("up -d openbao");
+        await waitForService("openbao");
+
+        // Check health endpoint with flags to accept sealed/uninitialized states
+        const isHealthy = await checkHttpEndpoint(
+          "http://localhost:8200/v1/sys/health?standbyok=true&sealedok=true&uninitok=true"
+        );
+        expect(isHealthy).toBe(true);
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should have proper volume configuration",
+      async () => {
+        // Start OpenBao
+        await dockerCompose("up -d openbao");
+        await waitForService("openbao");
+
+        // Check if volumes are created
+        const { stdout } = await execAsync("docker volume ls");
+        expect(stdout).toContain("mosaic-openbao-data");
+        expect(stdout).toContain("mosaic-openbao-config");
+        expect(stdout).toContain("mosaic-openbao-init");
+      },
+      TIMEOUT
+    );
+  });
+
+  describe("OpenBao Auto-Initialization", () => {
+    it(
+      "should initialize OpenBao on first run",
+      async () => {
+        // Wait for init container to complete
+        await new Promise((resolve) => setTimeout(resolve, 10000));
+
+        // Check initialization status
+        const status = await execInBao("bao status -format=json");
+        const statusObj = JSON.parse(status);
+
+        expect(statusObj.initialized).toBe(true);
+        expect(statusObj.sealed).toBe(false);
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should create unseal key in init volume",
+      async () => {
+        // Wait for init to complete
+        await new Promise((resolve) => setTimeout(resolve, 10000));
+
+        // Check if unseal key file exists
+        const { stdout } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine ls -la /data/"
+        );
+        expect(stdout).toContain("unseal-key");
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should be idempotent on restart",
+      async () => {
+        // Wait for first init
+        await new Promise((resolve) => setTimeout(resolve, 10000));
+
+        // Restart init container
+        await dockerCompose("restart openbao-init");
+        await new Promise((resolve) => setTimeout(resolve, 5000));
+
+        // Should still be initialized and unsealed
+        const status = await execInBao("bao status -format=json");
+        const statusObj = JSON.parse(status);
+
+        expect(statusObj.initialized).toBe(true);
+        expect(statusObj.sealed).toBe(false);
+      },
+      TIMEOUT
+    );
+  });
+
+  describe("OpenBao Transit Engine", () => {
+    it(
+      "should enable Transit secrets engine",
+      async () => {
+        // Get root token from init volume
+        const { stdout: token } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine cat /data/root-token"
+        );
+
+        // Check if Transit is enabled
+        const { stdout: mounts } = await execAsync(
+          `docker compose exec -T -e VAULT_TOKEN=${token.trim()} openbao bao secrets list -format=json`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+        const mountsObj = JSON.parse(mounts);
+
+        expect(mountsObj["transit/"]).toBeDefined();
+        expect(mountsObj["transit/"].type).toBe("transit");
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should create mosaic-credentials Transit key",
+      async () => {
+        const { stdout: token } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine cat /data/root-token"
+        );
+
+        // List Transit keys
+        const { stdout: keys } = await execAsync(
+          `docker compose exec -T -e VAULT_TOKEN=${token.trim()} openbao bao list -format=json transit/keys`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+        const keysArray = JSON.parse(keys);
+
+        expect(keysArray).toContain("mosaic-credentials");
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should create mosaic-account-tokens Transit key",
+      async () => {
+        const { stdout: token } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine cat /data/root-token"
+        );
+
+        const { stdout: keys } = await execAsync(
+          `docker compose exec -T -e VAULT_TOKEN=${token.trim()} openbao bao list -format=json transit/keys`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+        const keysArray = JSON.parse(keys);
+
+        expect(keysArray).toContain("mosaic-account-tokens");
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should create mosaic-federation Transit key",
+      async () => {
+        const { stdout: token } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine cat /data/root-token"
+        );
+
+        const { stdout: keys } = await execAsync(
+          `docker compose exec -T -e VAULT_TOKEN=${token.trim()} openbao bao list -format=json transit/keys`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+        const keysArray = JSON.parse(keys);
+
+        expect(keysArray).toContain("mosaic-federation");
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should create mosaic-llm-config Transit key",
+      async () => {
+        const { stdout: token } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine cat /data/root-token"
+        );
+
+        const { stdout: keys } = await execAsync(
+          `docker compose exec -T -e VAULT_TOKEN=${token.trim()} openbao bao list -format=json transit/keys`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+        const keysArray = JSON.parse(keys);
+
+        expect(keysArray).toContain("mosaic-llm-config");
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should verify Transit keys use aes256-gcm96",
+      async () => {
+        const { stdout: token } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine cat /data/root-token"
+        );
+
+        // Check key type for mosaic-credentials
+        const { stdout: keyInfo } = await execAsync(
+          `docker compose exec -T -e VAULT_TOKEN=${token.trim()} openbao bao read -format=json transit/keys/mosaic-credentials`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+        const keyInfoObj = JSON.parse(keyInfo);
+
+        expect(keyInfoObj.data.type).toBe("aes256-gcm96");
+      },
+      TIMEOUT
+    );
+  });
+
+  describe("OpenBao AppRole Configuration", () => {
+    it(
+      "should enable AppRole auth method",
+      async () => {
+        const { stdout: token } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine cat /data/root-token"
+        );
+
+        // Check if AppRole is enabled
+        const { stdout: auths } = await execAsync(
+          `docker compose exec -T -e VAULT_TOKEN=${token.trim()} openbao bao auth list -format=json`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+        const authsObj = JSON.parse(auths);
+
+        expect(authsObj["approle/"]).toBeDefined();
+        expect(authsObj["approle/"].type).toBe("approle");
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should create mosaic-transit AppRole",
+      async () => {
+        const { stdout: token } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine cat /data/root-token"
+        );
+
+        // List AppRoles
+        const { stdout: roles } = await execAsync(
+          `docker compose exec -T -e VAULT_TOKEN=${token.trim()} openbao bao list -format=json auth/approle/role`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+        const rolesArray = JSON.parse(roles);
+
+        expect(rolesArray).toContain("mosaic-transit");
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should create AppRole credentials file",
+      async () => {
+        // Check if credentials file exists
+        const { stdout } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine ls -la /data/"
+        );
+        expect(stdout).toContain("approle-credentials");
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should have valid AppRole credentials",
+      async () => {
+        // Read credentials file
+        const { stdout: credentials } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine cat /data/approle-credentials"
+        );
+        const credsObj = JSON.parse(credentials);
+
+        expect(credsObj.role_id).toBeDefined();
+        expect(credsObj.secret_id).toBeDefined();
+        expect(typeof credsObj.role_id).toBe("string");
+        expect(typeof credsObj.secret_id).toBe("string");
+      },
+      TIMEOUT
+    );
+  });
+
+  describe("OpenBao Auto-Unseal on Restart", () => {
+    it(
+      "should auto-unseal after container restart",
+      async () => {
+        // Verify initially unsealed
+        let status = await execInBao("bao status -format=json");
+        let statusObj = JSON.parse(status);
+        expect(statusObj.sealed).toBe(false);
+
+        // Restart OpenBao container
+        await dockerCompose("restart openbao");
+        await waitForService("openbao");
+
+        // Restart init container to trigger unseal
+        await dockerCompose("restart openbao-init");
+        await new Promise((resolve) => setTimeout(resolve, 10000));
+
+        // Verify auto-unsealed
+        status = await execInBao("bao status -format=json");
+        statusObj = JSON.parse(status);
+        expect(statusObj.sealed).toBe(false);
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should preserve Transit keys after restart",
+      async () => {
+        // Restart OpenBao
+        await dockerCompose("restart openbao openbao-init");
+        await waitForService("openbao");
+        await new Promise((resolve) => setTimeout(resolve, 10000));
+
+        const { stdout: token } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine cat /data/root-token"
+        );
+
+        // Verify Transit keys still exist
+        const { stdout: keys } = await execAsync(
+          `docker compose exec -T -e VAULT_TOKEN=${token.trim()} openbao bao list -format=json transit/keys`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+        const keysArray = JSON.parse(keys);
+
+        expect(keysArray).toContain("mosaic-credentials");
+        expect(keysArray).toContain("mosaic-account-tokens");
+        expect(keysArray).toContain("mosaic-federation");
+        expect(keysArray).toContain("mosaic-llm-config");
+      },
+      TIMEOUT
+    );
+  });
+
+  describe("OpenBao Security and Policies", () => {
+    it(
+      "should have Transit-only policy for AppRole",
+      async () => {
+        const { stdout: token } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine cat /data/root-token"
+        );
+
+        // Read policy
+        const { stdout: policy } = await execAsync(
+          `docker compose exec -T -e VAULT_TOKEN=${token.trim()} openbao bao policy read mosaic-transit-policy`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+
+        // Verify policy allows encrypt/decrypt
+        expect(policy).toContain("transit/encrypt/*");
+        expect(policy).toContain("transit/decrypt/*");
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should test AppRole can encrypt data",
+      async () => {
+        // Get AppRole credentials
+        const { stdout: credentials } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine cat /data/approle-credentials"
+        );
+        const credsObj = JSON.parse(credentials);
+
+        // Login with AppRole
+        const { stdout: loginResponse } = await execAsync(
+          `docker compose exec -T openbao bao write -format=json auth/approle/login role_id=${credsObj.role_id} secret_id=${credsObj.secret_id}`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+        const loginObj = JSON.parse(loginResponse);
+        const appRoleToken = loginObj.auth.client_token;
+
+        // Try to encrypt
+        const testData = Buffer.from("test-data").toString("base64");
+        const { stdout: encryptResponse } = await execAsync(
+          `docker compose exec -T -e VAULT_TOKEN=${appRoleToken} openbao bao write -format=json transit/encrypt/mosaic-credentials plaintext=${testData}`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+        const encryptObj = JSON.parse(encryptResponse);
+
+        expect(encryptObj.data.ciphertext).toBeDefined();
+        expect(encryptObj.data.ciphertext).toMatch(/^vault:v\d+:/);
+      },
+      TIMEOUT
+    );
+
+    it(
+      "should test AppRole can decrypt data",
+      async () => {
+        // Get AppRole credentials and login
+        const { stdout: credentials } = await execAsync(
+          "docker run --rm -v mosaic-openbao-init:/data alpine cat /data/approle-credentials"
+        );
+        const credsObj = JSON.parse(credentials);
+
+        const { stdout: loginResponse } = await execAsync(
+          `docker compose exec -T openbao bao write -format=json auth/approle/login role_id=${credsObj.role_id} secret_id=${credsObj.secret_id}`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+        const loginObj = JSON.parse(loginResponse);
+        const appRoleToken = loginObj.auth.client_token;
+
+        // Encrypt data first
+        const testData = Buffer.from("test-decrypt").toString("base64");
+        const { stdout: encryptResponse } = await execAsync(
+          `docker compose exec -T -e VAULT_TOKEN=${appRoleToken} openbao bao write -format=json transit/encrypt/mosaic-credentials plaintext=${testData}`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+        const encryptObj = JSON.parse(encryptResponse);
+        const ciphertext = encryptObj.data.ciphertext;
+
+        // Decrypt
+        const { stdout: decryptResponse } = await execAsync(
+          `docker compose exec -T -e VAULT_TOKEN=${appRoleToken} openbao bao write -format=json transit/decrypt/mosaic-credentials ciphertext=${ciphertext}`,
+          { cwd: `${process.cwd()}/docker` }
+        );
+        const decryptObj = JSON.parse(decryptResponse);
+
+        const plaintext = Buffer.from(decryptObj.data.plaintext, "base64").toString();
+        expect(plaintext).toBe("test-decrypt");
+      },
+      TIMEOUT
+    );
+  });
+
+  describe("OpenBao Service Dependencies", () => {
+    it(
+      "should start openbao-init only after openbao is healthy",
+      async () => {
+        // Start both services
+        await dockerCompose("up -d openbao openbao-init");
+
+        // Wait for OpenBao to be healthy
+        const openbaoHealthy = await waitForService("openbao");
+        expect(openbaoHealthy).toBe(true);
+
+        // Init should start after OpenBao is healthy
+        await new Promise((resolve) => setTimeout(resolve, 5000));
+
+        const ps = await dockerCompose("ps openbao-init");
+        expect(ps).toContain("mosaic-openbao-init");
+      },
+      TIMEOUT
+    );
+  });
+});