diff --git a/migrations/sqlite/000000_init.up.sql b/migrations/sqlite/000000_init.up.sql
index 2445e91bb..24f4b6875 100644
--- a/migrations/sqlite/000000_init.up.sql
+++ b/migrations/sqlite/000000_init.up.sql
@@ -881,7 +881,9 @@ CREATE INDEX IF NOT EXISTS idx_resource_access_grants_expires
 
 CREATE TABLE IF NOT EXISTS tenant_api_keys (
     id INTEGER PRIMARY KEY AUTOINCREMENT,
-    tenant_id INTEGER NOT NULL,
+    tenant_id INTEGER,
+    scope_type TEXT NOT NULL DEFAULT 'tenant'
+        CHECK (scope_type IN ('tenant', 'platform')),
     name TEXT NOT NULL,
     key_hash TEXT NOT NULL UNIQUE,
     api_key TEXT NOT NULL DEFAULT '',
@@ -893,11 +895,16 @@ CREATE TABLE IF NOT EXISTS tenant_api_keys (
     revoked_at DATETIME,
     created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
     updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    FOREIGN KEY (tenant_id) REFERENCES tenants(id) ON DELETE CASCADE
+    FOREIGN KEY (tenant_id) REFERENCES tenants(id) ON DELETE CASCADE,
+    CHECK (
+        (scope_type = 'tenant' AND tenant_id IS NOT NULL)
+        OR (scope_type = 'platform' AND tenant_id IS NULL AND full_access = 0)
+    )
 );
 
 CREATE INDEX IF NOT EXISTS idx_tenant_api_keys_tenant ON tenant_api_keys(tenant_id);
 CREATE INDEX IF NOT EXISTS idx_tenant_api_keys_revoked_at ON tenant_api_keys(revoked_at);
+CREATE INDEX IF NOT EXISTS idx_tenant_api_keys_scope_type ON tenant_api_keys(scope_type);
 
 CREATE TABLE IF NOT EXISTS temporary_documents (
     id VARCHAR(36) PRIMARY KEY,
diff --git a/migrations/sqlite/000071_platform_api_keys.down.sql b/migrations/sqlite/000071_platform_api_keys.down.sql
deleted file mode 100644
index b9fda0fdc..000000000
--- a/migrations/sqlite/000071_platform_api_keys.down.sql
+++ /dev/null
@@ -1,40 +0,0 @@
-DELETE FROM tenant_api_keys WHERE scope_type = 'platform';
-
-DROP INDEX IF EXISTS idx_tenant_api_keys_tenant;
-DROP INDEX IF EXISTS idx_tenant_api_keys_revoked_at;
-DROP INDEX IF EXISTS idx_tenant_api_keys_scope_type;
-
-ALTER TABLE tenant_api_keys RENAME TO tenant_api_keys_platform_scope;
-
-CREATE TABLE tenant_api_keys (
-    id INTEGER PRIMARY KEY AUTOINCREMENT,
-    tenant_id INTEGER NOT NULL,
-    name TEXT NOT NULL,
-    key_hash TEXT NOT NULL UNIQUE,
-    api_key TEXT NOT NULL DEFAULT '',
-    full_access BOOLEAN NOT NULL DEFAULT 0,
-    knowledge_base_ids TEXT NOT NULL DEFAULT '[]',
-    capabilities TEXT NOT NULL DEFAULT '[]',
-    last_used_at DATETIME,
-    expires_at DATETIME,
-    revoked_at DATETIME,
-    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    FOREIGN KEY (tenant_id) REFERENCES tenants(id) ON DELETE CASCADE
-);
-
-INSERT INTO tenant_api_keys (
-    id, tenant_id, name, key_hash, api_key, full_access,
-    knowledge_base_ids, capabilities, last_used_at, expires_at, revoked_at,
-    created_at, updated_at
-)
-SELECT
-    id, tenant_id, name, key_hash, api_key, full_access,
-    knowledge_base_ids, capabilities, last_used_at, expires_at, revoked_at,
-    created_at, updated_at
-FROM tenant_api_keys_platform_scope;
-
-DROP TABLE tenant_api_keys_platform_scope;
-
-CREATE INDEX idx_tenant_api_keys_tenant ON tenant_api_keys(tenant_id);
-CREATE INDEX idx_tenant_api_keys_revoked_at ON tenant_api_keys(revoked_at);
diff --git a/migrations/sqlite/000071_platform_api_keys.up.sql b/migrations/sqlite/000071_platform_api_keys.up.sql
deleted file mode 100644
index 6eaa6035a..000000000
--- a/migrations/sqlite/000071_platform_api_keys.up.sql
+++ /dev/null
@@ -1,44 +0,0 @@
-DROP INDEX IF EXISTS idx_tenant_api_keys_tenant;
-DROP INDEX IF EXISTS idx_tenant_api_keys_revoked_at;
-
-ALTER TABLE tenant_api_keys RENAME TO tenant_api_keys_legacy;
-
-CREATE TABLE tenant_api_keys (
-    id INTEGER PRIMARY KEY AUTOINCREMENT,
-    tenant_id INTEGER,
-    scope_type TEXT NOT NULL DEFAULT 'tenant'
-        CHECK (scope_type IN ('tenant', 'platform')),
-    name TEXT NOT NULL,
-    key_hash TEXT NOT NULL UNIQUE,
-    api_key TEXT NOT NULL DEFAULT '',
-    full_access BOOLEAN NOT NULL DEFAULT 0,
-    knowledge_base_ids TEXT NOT NULL DEFAULT '[]',
-    capabilities TEXT NOT NULL DEFAULT '[]',
-    last_used_at DATETIME,
-    expires_at DATETIME,
-    revoked_at DATETIME,
-    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    FOREIGN KEY (tenant_id) REFERENCES tenants(id) ON DELETE CASCADE,
-    CHECK (
-        (scope_type = 'tenant' AND tenant_id IS NOT NULL)
-        OR (scope_type = 'platform' AND tenant_id IS NULL AND full_access = 0)
-    )
-);
-
-INSERT INTO tenant_api_keys (
-    id, tenant_id, scope_type, name, key_hash, api_key, full_access,
-    knowledge_base_ids, capabilities, last_used_at, expires_at, revoked_at,
-    created_at, updated_at
-)
-SELECT
-    id, tenant_id, 'tenant', name, key_hash, api_key, full_access,
-    knowledge_base_ids, capabilities, last_used_at, expires_at, revoked_at,
-    created_at, updated_at
-FROM tenant_api_keys_legacy;
-
-DROP TABLE tenant_api_keys_legacy;
-
-CREATE INDEX idx_tenant_api_keys_tenant ON tenant_api_keys(tenant_id);
-CREATE INDEX idx_tenant_api_keys_revoked_at ON tenant_api_keys(revoked_at);
-CREATE INDEX idx_tenant_api_keys_scope_type ON tenant_api_keys(scope_type);