init push

backend/store/pg/migration/000032_create_system_settings.up.sql

@@ -0,0 +1,30 @@
+-- Create settings table
+CREATE TABLE IF NOT EXISTS system_settings (
+    id SERIAL PRIMARY KEY,
+    key TEXT NOT NULL,
+    value JSONB NOT NULL,
+    description TEXT,
+    created_at timestamptz NOT NULL DEFAULT NOW(),
+    updated_at timestamptz NOT NULL DEFAULT NOW()
+);
+
+CREATE UNIQUE INDEX idx_uniq_system_settings_key ON system_settings(key);
+
+-- Insert model_setting_mode setting
+-- If there are existing knowledge bases, set mode to 'manual', otherwise set to 'auto'
+INSERT INTO system_settings (key, value, description)
+SELECT 
+    'model_setting_mode',
+    jsonb_build_object(
+        'mode', CASE 
+            WHEN EXISTS (SELECT 1 FROM knowledge_bases LIMIT 1) THEN 'manual'
+            ELSE 'auto'
+        END,
+        'auto_mode_api_key', '',
+        'chat_model', '',
+        'is_manual_embedding_updated', false
+    ),
+    'Model setting mode configuration'
+WHERE NOT EXISTS (
+    SELECT 1 FROM system_settings WHERE key = 'model_setting_mode'
+);