feat: Add SQL scripts for complete database reset and initialization, including table and function definitions for sessions, chat history, handoff records, and sbar drafts. Implement foreign key constraints and triggers for automatic session management and updated timestamps.

remove_strict_fk.sql

@@ -0,0 +1,16 @@
+-- =====================================================
+-- 기존 테이블 및 제약조건 모두 삭제 (새로 시작)
+-- =====================================================
+
+-- 순서대로 CASCADE 삭제
+DROP TABLE IF EXISTS sessions CASCADE;
+DROP TABLE IF EXISTS sbar_drafts CASCADE;
+DROP TABLE IF EXISTS chat_history CASCADE;
+DROP TABLE IF EXISTS handoff_records CASCADE;
+DROP TABLE IF EXISTS scenarios CASCADE;
+DROP TABLE IF EXISTS patients CASCADE;
+
+-- 함수도 삭제 (나중에 재생성)
+DROP FUNCTION IF EXISTS update_updated_at_column() CASCADE;
+DROP FUNCTION IF EXISTS update_session_ended_at() CASCADE;
+DROP FUNCTION IF EXISTS auto_create_session() CASCADE;

supabase_init.sql

@@ -1,15 +1,16 @@
 -- =====================================================
--- Supabase 초기 설정 통합 스크립트
+-- Supabase 초기 설정 통합 스크립트 (완전 초기화 버전)
 -- 간호 인수인계 교육 플랫폼
 -- 실행 순서: 이 파일을 Supabase SQL Editor에서 한 번만 실행하세요
 -- =====================================================
 
+
 -- =====================================================
--- 1. 기본 테이블 생성
+-- 1. 기본 테이블 생성 (의존성 순서대로)
 -- =====================================================
 
 -- 1.1 patients 테이블 (환자 기본 정보)
-CREATE TABLE IF NOT EXISTS patients (
+CREATE TABLE patients (
     id VARCHAR(50) PRIMARY KEY,
     name VARCHAR(100) NOT NULL,
     age INTEGER NOT NULL,
@@ -27,18 +28,11 @@ CREATE TABLE IF NOT EXISTS patients (
 );
 
 COMMENT ON TABLE patients IS '환자 기본 정보';
-COMMENT ON COLUMN patients.id IS '환자 ID (예: P001)';
-COMMENT ON COLUMN patients.name IS '환자 이름';
-COMMENT ON COLUMN patients.age IS '나이';
-COMMENT ON COLUMN patients.gender IS '성별 (남/여)';
-COMMENT ON COLUMN patients.diagnosis IS '진단명';
-COMMENT ON COLUMN patients.admission_date IS '입원일';
-COMMENT ON COLUMN patients.allergies IS '알레르기';
 
 -- 1.2 scenarios 테이블 (인수인계 시나리오)
-CREATE TABLE IF NOT EXISTS scenarios (
+CREATE TABLE scenarios (
     id VARCHAR(50) PRIMARY KEY,
-    patient_id VARCHAR(50) NOT NULL REFERENCES patients(id) ON DELETE CASCADE,
+    patient_id VARCHAR(50) NOT NULL,
     title VARCHAR(200) NOT NULL,
     day INTEGER NOT NULL,
     handoff_situation VARCHAR(200),
@@ -53,23 +47,60 @@ CREATE TABLE IF NOT EXISTS scenarios (
     hospital_day INTEGER,
     status_badge VARCHAR(20),
     created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
-    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    CONSTRAINT scenarios_patient_fkey 
+        FOREIGN KEY (patient_id) 
+        REFERENCES patients(id) 
+        ON DELETE CASCADE 
+        ON UPDATE CASCADE
 );
 
 COMMENT ON TABLE scenarios IS '인수인계 시나리오';
-COMMENT ON COLUMN scenarios.id IS '시나리오 ID (예: S001_D0_ER_WARD)';
-COMMENT ON COLUMN scenarios.patient_id IS '환자 ID (외래키)';
-COMMENT ON COLUMN scenarios.title IS '시나리오 제목';
-COMMENT ON COLUMN scenarios.day IS '재원 일수 (0, 1, 2...)';
-COMMENT ON COLUMN scenarios.handoff_situation IS '인수인계 상황 (예: 응급실→병동)';
-
--- 1.3 handoff_records 테이블 (인수인계 기록 및 평가)
--- 대화 기반 평가를 고려하여 NULL 허용
-CREATE TABLE IF NOT EXISTS handoff_records (
+
+-- 1.3 sessions 테이블 (세션 관리) - session_id를 PK로
+CREATE TABLE sessions (
+    session_id VARCHAR(100) PRIMARY KEY,
+    student_id VARCHAR(100) NOT NULL,
+    scenario_id VARCHAR(50) NOT NULL,
+    status VARCHAR(20) DEFAULT 'active',
+    started_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    ended_at TIMESTAMP WITH TIME ZONE,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    CONSTRAINT sessions_scenario_fkey 
+        FOREIGN KEY (scenario_id) 
+        REFERENCES scenarios(id) 
+        ON DELETE RESTRICT 
+        ON UPDATE CASCADE
+);
+
+COMMENT ON TABLE sessions IS 'TSID 기반 채팅 세션 관리 테이블';
+COMMENT ON COLUMN sessions.session_id IS 'TSID 기반 세션 식별자 (PRIMARY KEY)';
+
+-- 1.4 chat_history 테이블 (학생과 AI 간의 채팅 기록)
+CREATE TABLE chat_history (
+    id SERIAL PRIMARY KEY,
+    session_id VARCHAR(100) NOT NULL,
+    student_id VARCHAR(100) NOT NULL,
+    scenario_id VARCHAR(50) NOT NULL,
+    role VARCHAR(20) NOT NULL CHECK (role IN ('user', 'assistant')),
+    message TEXT NOT NULL,
+    timestamp TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    CONSTRAINT chat_history_session_fkey 
+        FOREIGN KEY (session_id) 
+        REFERENCES sessions(session_id) 
+        ON DELETE CASCADE 
+        ON UPDATE CASCADE
+);
+
+COMMENT ON TABLE chat_history IS '학생과 AI 간의 채팅 기록';
+
+-- 1.5 handoff_records 테이블 (인수인계 기록 및 평가)
+CREATE TABLE handoff_records (
     id SERIAL PRIMARY KEY,
     session_id VARCHAR(100),
     student_id VARCHAR(100) NOT NULL,
-    scenario_id VARCHAR(50) NOT NULL REFERENCES scenarios(id) ON DELETE CASCADE,
+    scenario_id VARCHAR(50) NOT NULL,
     submitted_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
     situation TEXT,
     background TEXT,
@@ -80,33 +111,25 @@ CREATE TABLE IF NOT EXISTS handoff_records (
     strengths JSONB,
     improvements JSONB,
     detailed_feedback TEXT,
-    -- 대화 기반 평가용 컬럼
     missing_critical_info JSONB,
-    safety_concerns JSONB
+    safety_concerns JSONB,
+    CONSTRAINT handoff_records_scenario_fkey 
+        FOREIGN KEY (scenario_id) 
+        REFERENCES scenarios(id) 
+        ON DELETE RESTRICT 
+        ON UPDATE CASCADE,
+    CONSTRAINT handoff_records_session_fkey 
+        FOREIGN KEY (session_id) 
+        REFERENCES sessions(session_id) 
+        ON DELETE SET NULL 
+        ON UPDATE CASCADE
 );
 
 COMMENT ON TABLE handoff_records IS '학생의 인수인계 기록 및 AI 평가 결과';
-COMMENT ON COLUMN handoff_records.session_id IS '채팅 세션 ID';
-COMMENT ON COLUMN handoff_records.student_id IS '학생 식별자';
-COMMENT ON COLUMN handoff_records.scenario_id IS '시나리오 ID (외래키)';
-COMMENT ON COLUMN handoff_records.missing_critical_info IS '누락된 중요 정보 목록';
-COMMENT ON COLUMN handoff_records.safety_concerns IS '환자 안전 관련 주의사항 목록';
+COMMENT ON COLUMN handoff_records.session_id IS '채팅 세션 ID (nullable)';
 
--- 1.4 chat_history 테이블 (학생과 AI 간의 채팅 기록)
-CREATE TABLE IF NOT EXISTS chat_history (
-    id SERIAL PRIMARY KEY,
-    session_id VARCHAR(100) NOT NULL,
-    student_id VARCHAR(100) NOT NULL,
-    scenario_id VARCHAR(50) NOT NULL,
-    role VARCHAR(20) NOT NULL CHECK (role IN ('user', 'assistant')),
-    message TEXT NOT NULL,
-    timestamp TIMESTAMP WITH TIME ZONE DEFAULT NOW()
-);
-
-COMMENT ON TABLE chat_history IS '학생과 AI 간의 채팅 기록';
-
--- 1.5 sbar_drafts 테이블 (작성 중인 SBAR 임시 저장)
-CREATE TABLE IF NOT EXISTS sbar_drafts (
+-- 1.6 sbar_drafts 테이블 (작성 중인 SBAR 임시 저장)
+CREATE TABLE sbar_drafts (
     id SERIAL PRIMARY KEY,
     session_id VARCHAR(100) NOT NULL UNIQUE,
     student_id VARCHAR(100) NOT NULL,
@@ -115,63 +138,54 @@ CREATE TABLE IF NOT EXISTS sbar_drafts (
     background TEXT DEFAULT '',
     assessment TEXT DEFAULT '',
     recommendation TEXT DEFAULT '',
-    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    CONSTRAINT sbar_drafts_session_fkey 
+        FOREIGN KEY (session_id) 
+        REFERENCES sessions(session_id) 
+        ON DELETE CASCADE 
+        ON UPDATE CASCADE
 );
 
 COMMENT ON TABLE sbar_drafts IS '작성 중인 SBAR 임시 저장';
 
--- 1.6 sessions 테이블 (세션 관리)
-CREATE TABLE IF NOT EXISTS sessions (
-    id SERIAL PRIMARY KEY,
-    session_id VARCHAR(100) UNIQUE NOT NULL,
-    student_id VARCHAR(100) NOT NULL,
-    scenario_id VARCHAR(50) NOT NULL,
-    status VARCHAR(20) DEFAULT 'active',
-    started_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
-    ended_at TIMESTAMP WITH TIME ZONE,
-    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
-    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
-);
-
-COMMENT ON TABLE sessions IS 'TSID 기반 채팅 세션 관리 테이블';
-COMMENT ON COLUMN sessions.session_id IS 'TSID 기반 세션 식별자 (ses_XXXXX 형식)';
-COMMENT ON COLUMN sessions.status IS '세션 상태: active, completed, archived';
-
 -- =====================================================
 -- 2. 인덱스 생성 (성능 최적화)
 -- =====================================================
 
--- handoff_records 인덱스
-CREATE INDEX IF NOT EXISTS idx_handoff_records_student ON handoff_records(student_id);
-CREATE INDEX IF NOT EXISTS idx_handoff_records_scenario ON handoff_records(scenario_id);
-CREATE INDEX IF NOT EXISTS idx_handoff_records_session ON handoff_records(session_id);
-CREATE INDEX IF NOT EXISTS idx_handoff_records_submitted ON handoff_records(submitted_at DESC);
+-- patients
+CREATE INDEX idx_patients_name ON patients(name);
+
+-- scenarios
+CREATE INDEX idx_scenarios_patient ON scenarios(patient_id);
+CREATE INDEX idx_scenarios_day ON scenarios(day);
 
--- chat_history 인덱스
-CREATE INDEX IF NOT EXISTS idx_chat_history_session ON chat_history(session_id);
-CREATE INDEX IF NOT EXISTS idx_chat_history_student ON chat_history(student_id);
-CREATE INDEX IF NOT EXISTS idx_chat_history_timestamp ON chat_history(timestamp);
+-- sessions
+CREATE INDEX idx_sessions_student ON sessions(student_id);
+CREATE INDEX idx_sessions_scenario ON sessions(scenario_id);
+CREATE INDEX idx_sessions_status ON sessions(status);
+CREATE INDEX idx_sessions_started ON sessions(started_at DESC);
 
--- sbar_drafts 인덱스
-CREATE INDEX IF NOT EXISTS idx_sbar_drafts_session ON sbar_drafts(session_id);
-CREATE INDEX IF NOT EXISTS idx_sbar_drafts_student ON sbar_drafts(student_id);
+-- chat_history
+CREATE INDEX idx_chat_history_session ON chat_history(session_id);
+CREATE INDEX idx_chat_history_student ON chat_history(student_id);
+CREATE INDEX idx_chat_history_timestamp ON chat_history(timestamp);
 
--- scenarios 인덱스
-CREATE INDEX IF NOT EXISTS idx_scenarios_patient ON scenarios(patient_id);
-CREATE INDEX IF NOT EXISTS idx_scenarios_day ON scenarios(day);
+-- handoff_records
+CREATE INDEX idx_handoff_student ON handoff_records(student_id);
+CREATE INDEX idx_handoff_scenario ON handoff_records(scenario_id);
+CREATE INDEX idx_handoff_session ON handoff_records(session_id);
+CREATE INDEX idx_handoff_submitted ON handoff_records(submitted_at DESC);
 
--- sessions 인덱스
-CREATE INDEX IF NOT EXISTS idx_sessions_student_id ON sessions(student_id);
-CREATE INDEX IF NOT EXISTS idx_sessions_scenario_id ON sessions(scenario_id);
-CREATE INDEX IF NOT EXISTS idx_sessions_status ON sessions(status);
-CREATE INDEX IF NOT EXISTS idx_sessions_started_at ON sessions(started_at DESC);
+-- sbar_drafts
+CREATE INDEX idx_sbar_session ON sbar_drafts(session_id);
+CREATE INDEX idx_sbar_student ON sbar_drafts(student_id);
 
 -- =====================================================
 -- 3. 트리거 함수 및 트리거 생성
 -- =====================================================
 
 -- updated_at 자동 업데이트 함수
-CREATE OR REPLACE FUNCTION update_updated_at_column()
+CREATE FUNCTION update_updated_at_column()
 RETURNS TRIGGER AS $$
 BEGIN
     NEW.updated_at = NOW();
@@ -180,7 +194,7 @@ END;
 $$ LANGUAGE plpgsql;
 
 -- 세션 종료 시 ended_at 자동 업데이트 함수
-CREATE OR REPLACE FUNCTION update_session_ended_at()
+CREATE FUNCTION update_session_ended_at()
 RETURNS TRIGGER AS $$
 BEGIN
     IF NEW.status = 'completed' OR NEW.status = 'archived' THEN
@@ -193,6 +207,20 @@ BEGIN
 END;
 $$ LANGUAGE plpgsql;
 
+-- 자동 세션 생성 함수 (chat_history insert 시)
+CREATE FUNCTION auto_create_session()
+RETURNS TRIGGER AS $$
+BEGIN
+    -- session_id가 sessions에 없으면 자동 생성
+    IF NOT EXISTS (SELECT 1 FROM sessions WHERE session_id = NEW.session_id) THEN
+        INSERT INTO sessions (session_id, student_id, scenario_id, status)
+        VALUES (NEW.session_id, NEW.student_id, NEW.scenario_id, 'active')
+        ON CONFLICT (session_id) DO NOTHING;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
 -- 트리거 생성
 CREATE TRIGGER update_patients_updated_at 
     BEFORE UPDATE ON patients
@@ -204,11 +232,6 @@ CREATE TRIGGER update_scenarios_updated_at
     FOR EACH ROW
     EXECUTE FUNCTION update_updated_at_column();
 
-CREATE TRIGGER update_sbar_drafts_updated_at 
-    BEFORE UPDATE ON sbar_drafts
-    FOR EACH ROW
-    EXECUTE FUNCTION update_updated_at_column();
-
 CREATE TRIGGER update_sessions_updated_at
     BEFORE UPDATE ON sessions
     FOR EACH ROW
@@ -220,6 +243,17 @@ CREATE TRIGGER update_session_on_status_change
     WHEN (OLD.status IS DISTINCT FROM NEW.status)
     EXECUTE FUNCTION update_session_ended_at();
 
+CREATE TRIGGER update_sbar_drafts_updated_at 
+    BEFORE UPDATE ON sbar_drafts
+    FOR EACH ROW
+    EXECUTE FUNCTION update_updated_at_column();
+
+-- chat_history insert 시 sessions 자동 생성
+CREATE TRIGGER auto_create_session_trigger
+    BEFORE INSERT ON chat_history
+    FOR EACH ROW
+    EXECUTE FUNCTION auto_create_session();
+
 -- =====================================================
 -- 4. Row Level Security (RLS) 설정
 -- =====================================================
@@ -227,76 +261,28 @@ CREATE TRIGGER update_session_on_status_change
 -- RLS 활성화
 ALTER TABLE patients ENABLE ROW LEVEL SECURITY;
 ALTER TABLE scenarios ENABLE ROW LEVEL SECURITY;
-ALTER TABLE handoff_records ENABLE ROW LEVEL SECURITY;
+ALTER TABLE sessions ENABLE ROW LEVEL SECURITY;
 ALTER TABLE chat_history ENABLE ROW LEVEL SECURITY;
+ALTER TABLE handoff_records ENABLE ROW LEVEL SECURITY;
 ALTER TABLE sbar_drafts ENABLE ROW LEVEL SECURITY;
-ALTER TABLE sessions ENABLE ROW LEVEL SECURITY;
 
--- 기존 정책 삭제 (중복 방지)
-DO $$ 
-BEGIN
-    -- Chat History 정책 삭제
-    DROP POLICY IF EXISTS "Allow all for chat_history" ON chat_history;
-    DROP POLICY IF EXISTS "Allow all operations for anon users on chat_history" ON chat_history;
-    DROP POLICY IF EXISTS "Allow all operations for authenticated users on chat_history" ON chat_history;
-    DROP POLICY IF EXISTS "Enable all access for chat_history" ON chat_history;
-    DROP POLICY IF EXISTS "chat_history_all_access" ON chat_history;
-    
-    -- Handoff Records 정책 삭제
-    DROP POLICY IF EXISTS "Allow all for handoff_records" ON handoff_records;
-    DROP POLICY IF EXISTS "Allow all operations for anon users on handoff_records" ON handoff_records;
-    DROP POLICY IF EXISTS "Allow all operations for authenticated users on handoff_records" ON handoff_records;
-    DROP POLICY IF EXISTS "Enable all access for handoff_records" ON handoff_records;
-    DROP POLICY IF EXISTS "handoff_records_all_access" ON handoff_records;
-    
-    -- SBAR Drafts 정책 삭제
-    DROP POLICY IF EXISTS "Allow all for sbar_drafts" ON sbar_drafts;
-    DROP POLICY IF EXISTS "Allow all operations for anon users on sbar_drafts" ON sbar_drafts;
-    DROP POLICY IF EXISTS "Allow all operations for authenticated users on sbar_drafts" ON sbar_drafts;
-    DROP POLICY IF EXISTS "Enable all access for sbar_drafts" ON sbar_drafts;
-    DROP POLICY IF EXISTS "sbar_drafts_all_access" ON sbar_drafts;
-    
-    -- Patients 정책 삭제
-    DROP POLICY IF EXISTS "Allow read access for all users" ON patients;
-    DROP POLICY IF EXISTS "Allow all for patients" ON patients;
-    DROP POLICY IF EXISTS "Allow all operations for anon users on patients" ON patients;
-    DROP POLICY IF EXISTS "Allow all operations for authenticated users on patients" ON patients;
-    DROP POLICY IF EXISTS "Enable all operations for anon users" ON patients;
-    DROP POLICY IF EXISTS "Enable all operations for authenticated users" ON patients;
-    DROP POLICY IF EXISTS "patients_all_access" ON patients;
-    
-    -- Scenarios 정책 삭제
-    DROP POLICY IF EXISTS "Allow read access for all users" ON scenarios;
-    DROP POLICY IF EXISTS "Allow all for scenarios" ON scenarios;
-    DROP POLICY IF EXISTS "Allow all operations for anon users on scenarios" ON scenarios;
-    DROP POLICY IF EXISTS "Allow all operations for authenticated users on scenarios" ON scenarios;
-    DROP POLICY IF EXISTS "Enable all operations for anon users" ON scenarios;
-    DROP POLICY IF EXISTS "Enable all operations for authenticated users" ON scenarios;
-    DROP POLICY IF EXISTS "scenarios_all_access" ON scenarios;
-    
-    -- Sessions 정책 삭제
-    DROP POLICY IF EXISTS "Enable all operations for anon users" ON sessions;
-    DROP POLICY IF EXISTS "Enable all operations for authenticated users" ON sessions;
-    DROP POLICY IF EXISTS "sessions_all_access" ON sessions;
-END $$;
-
--- 새 정책 생성 (모든 사용자 접근 허용)
+-- 정책 생성 (모든 사용자 접근 허용)
 CREATE POLICY "patients_all_access" ON patients 
     FOR ALL USING (true) WITH CHECK (true);
 
 CREATE POLICY "scenarios_all_access" ON scenarios 
     FOR ALL USING (true) WITH CHECK (true);
 
-CREATE POLICY "handoff_records_all_access" ON handoff_records 
+CREATE POLICY "sessions_all_access" ON sessions 
     FOR ALL USING (true) WITH CHECK (true);
 
 CREATE POLICY "chat_history_all_access" ON chat_history 
     FOR ALL USING (true) WITH CHECK (true);
 
-CREATE POLICY "sbar_drafts_all_access" ON sbar_drafts 
+CREATE POLICY "handoff_records_all_access" ON handoff_records 
     FOR ALL USING (true) WITH CHECK (true);
 
-CREATE POLICY "sessions_all_access" ON sessions 
+CREATE POLICY "sbar_drafts_all_access" ON sbar_drafts 
     FOR ALL USING (true) WITH CHECK (true);
 
 -- =====================================================
@@ -307,25 +293,31 @@ DO $$
 BEGIN
     RAISE NOTICE '';
     RAISE NOTICE '╔══════════════════════════════════════════════════════════════╗';
-    RAISE NOTICE '║  ✅ Supabase 초기 설정 완료!                                  ║';
+    RAISE NOTICE '║  ✅ Supabase 완전 초기화 완료!                                ║';
     RAISE NOTICE '╚══════════════════════════════════════════════════════════════╝';
     RAISE NOTICE '';
     RAISE NOTICE '📊 생성된 테이블:';
-    RAISE NOTICE '   - patients (환자 정보)';
-    RAISE NOTICE '   - scenarios (시나리오)';
-    RAISE NOTICE '   - handoff_records (인수인계 기록)';
-    RAISE NOTICE '   - chat_history (채팅 기록)';
-    RAISE NOTICE '   - sbar_drafts (SBAR 초안)';
-    RAISE NOTICE '   - sessions (세션 관리)';
+    RAISE NOTICE '   1. patients (환자 정보)';
+    RAISE NOTICE '   2. scenarios (시나리오)';
+    RAISE NOTICE '   3. sessions (세션 관리 - session_id가 PK)';
+    RAISE NOTICE '   4. chat_history (채팅 기록)';
+    RAISE NOTICE '   5. handoff_records (인수인계 기록)';
+    RAISE NOTICE '   6. sbar_drafts (SBAR 초안)';
+    RAISE NOTICE '';
+    RAISE NOTICE '🔗 외래 키:';
+    RAISE NOTICE '   - scenarios → patients';
+    RAISE NOTICE '   - sessions → scenarios';
+    RAISE NOTICE '   - chat_history → sessions (자동 생성 트리거)';
+    RAISE NOTICE '   - handoff_records → sessions, scenarios';
+    RAISE NOTICE '   - sbar_drafts → sessions';
     RAISE NOTICE '';
-    RAISE NOTICE '🔒 RLS 정책: 모든 테이블에 전체 접근 허용';
-    RAISE NOTICE '📈 인덱스: 성능 최적화 완료';
-    RAISE NOTICE '⚙️  트리거: 자동 updated_at 업데이트 및 세션 종료 처리';
+    RAISE NOTICE '⚡ 자동 기능:';
+    RAISE NOTICE '   - chat_history insert 시 sessions 자동 생성';
+    RAISE NOTICE '   - 세션 완료 시 ended_at 자동 설정';
+    RAISE NOTICE '   - updated_at 자동 갱신';
     RAISE NOTICE '';
     RAISE NOTICE '📋 다음 단계:';
-    RAISE NOTICE '   1. uv run scripts/init_db.py - 시나리오 데이터 로드';
-    RAISE NOTICE '   2. uv run test_supabase_connection.py - 연결 테스트';
-    RAISE NOTICE '   3. uv run app.py - 앱 실행';
+    RAISE NOTICE '   uv run python init_db.py - 시나리오 데이터 로드';
     RAISE NOTICE '';
 END $$;