diff --git a/services/mam-api/src/db/schema.sql b/services/mam-api/src/db/schema.sql
index 10c511f..4b0fa3c 100644
--- a/services/mam-api/src/db/schema.sql
+++ b/services/mam-api/src/db/schema.sql
@@ -72,6 +72,9 @@ CREATE TABLE assets (
   file_size BIGINT,
   tags TEXT[] DEFAULT '{}',
   notes TEXT,
+  -- AMPP sync fields (used by upload.js to mirror folder structure)
+  ampp_folder_id TEXT,
+  ampp_synced_at TIMESTAMPTZ,
   created_at TIMESTAMPTZ DEFAULT NOW(),
   updated_at TIMESTAMPTZ DEFAULT NOW()
 );
@@ -138,6 +141,7 @@ CREATE INDEX idx_sessions_expire ON sessions(expire);
 CREATE TYPE source_type AS ENUM ('sdi', 'srt', 'rtmp');
 
 -- Recorder instances table
+-- NOTE: current_session_id is TEXT (stores a human-readable clip name, not a UUID)
 CREATE TABLE recorders (
   id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
   name TEXT NOT NULL,
@@ -151,7 +155,7 @@ CREATE TABLE recorders (
   project_id UUID REFERENCES projects,
   container_id TEXT,
   status TEXT DEFAULT 'stopped',
-  current_session_id UUID,
+  current_session_id TEXT,
   created_at TIMESTAMPTZ DEFAULT NOW(),
   updated_at TIMESTAMPTZ DEFAULT NOW()
 );