diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..2838448
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,27 @@
+Copyright (c) 2024 Patial Tech. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Patial Tech. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/cmd/migrate-up/main.go b/cmd/migrate-up/main.go
index bdea489..b5e9a82 100644
--- a/cmd/migrate-up/main.go
+++ b/cmd/migrate-up/main.go
@@ -1,3 +1,6 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
 package main
 
 import (
diff --git a/cmd/server/handler/request.go b/cmd/server/handler/request.go
index c25687b..6043968 100644
--- a/cmd/server/handler/request.go
+++ b/cmd/server/handler/request.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package handler
 
 import (
@@ -31,7 +35,7 @@ func Request() func(http.Handler) http.Handler {
 			// ID
 			requestID := r.Header.Get("X-Request-Id")
 			if requestID == "" {
-				requestID = uid.ULID()
+				requestID = uid.NewUUID()
 			}
 			ctx = context.WithValue(ctx, RequestIDKey, requestID)
 
diff --git a/cmd/server/main.go b/cmd/server/main.go
index 320f7d9..d91c128 100644
--- a/cmd/server/main.go
+++ b/cmd/server/main.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package main
 
 import (
diff --git a/config/config.go b/config/config.go
index 09ffe0d..f5b75ab 100644
--- a/config/config.go
+++ b/config/config.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package config
 
 import (
diff --git a/config/dotenv/parser.go b/config/dotenv/parser.go
index 5b3651a..1d68e21 100644
--- a/config/dotenv/parser.go
+++ b/config/dotenv/parser.go
@@ -11,7 +11,7 @@ import (
 )
 
 //
-// copied from https://github.com/joho/godotenv/blob/main/parser.go
+// ported from https://github.com/joho/godotenv/blob/main/parser.go
 //
 
 const (
diff --git a/config/dotenv/read.go b/config/dotenv/read.go
index d2b833f..c07830c 100644
--- a/config/dotenv/read.go
+++ b/config/dotenv/read.go
@@ -10,7 +10,7 @@ import (
 )
 
 //
-// copied from https://github.com/joho/godotenv/blob/main/godotenv.go
+// ported from https://github.com/joho/godotenv/blob/main/godotenv.go
 //
 
 // Read all env (with same file loading semantics as Load) but return values as
diff --git a/config/dotenv/write.go b/config/dotenv/write.go
index 02e4928..14f454d 100644
--- a/config/dotenv/write.go
+++ b/config/dotenv/write.go
@@ -9,7 +9,7 @@ import (
 )
 
 //
-// copied from https://github.com/joho/godotenv/blob/main/godotenv.go
+// ported from https://github.com/joho/godotenv/blob/main/godotenv.go
 //
 
 const doubleQuoteSpecialChars = "\\\n\r\"!$`"
diff --git a/config/urls.go b/config/urls.go
index cb35c66..7a63bf1 100644
--- a/config/urls.go
+++ b/config/urls.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package config
 
 import "fmt"
diff --git a/db/client.go b/db/client.go
index 2a6ef95..3180cf2 100644
--- a/db/client.go
+++ b/db/client.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package db
 
 import (
@@ -54,48 +58,52 @@ func Client() *ent.Client {
 	return cl
 }
 
+type entity interface {
+	GetID() (int64, error)
+}
+
 // A AuditHook is an example for audit-log hook.
 func AuditHook(next ent.Mutator) ent.Mutator {
-	type Entity interface {
-		GetID() (int64, error)
-	}
 	return ent.MutateFunc(func(ctx context.Context, m ent.Mutation) (v ent.Value, err error) {
-		var id int64
 		start := time.Now()
 		defer func() {
-			saveAudit(ctx, id, m.Type(), m.Op().String(), time.Since(start), err)
+			saveAudit(ctx, m.Type(), m.Op(), v, err, time.Since(start))
 		}()
 
 		v, err = next.Mutate(ctx, m)
-
-		if en, ok := v.(Entity); ok {
-			id, _ = en.GetID()
-		}
-		logger.Info("** %v", v)
 		return
 	})
 }
 
-func saveAudit(_ context.Context, entID int64, entT, op string, d time.Duration, err error) {
-	logger.Info("audit: %d, %s, %s, %s, %v", entID, entT, op, d, err)
-	// ml.SetCreatedAt(time.Now())
-	// if usr := auth.CtxUser(ctx); usr != nil {
-	// 	ml.SetByID(usr.ID)
-	// 	ml.SetBy(usr.DisplayName)
-	// }
+func saveAudit(ctx context.Context, t string, op ent.Op, v ent.Value, err error, d time.Duration) {
+	if t == "Audit" {
+		// skip Audit table operations
+		return
+	}
 
-	// switch op := m.Op(); {
-	// case op.Is(ent.OpCreate):
-	// 	ml.SetOperation("Create")
+	var entOp string
+	switch {
+	case op.Is(ent.OpCreate):
+		entOp = "Create"
+	case op.Is(ent.OpDelete):
+		entOp = "Delete"
+	case op.Is(ent.OpDeleteOne):
+		entOp = "DeleteOne"
+	case op.Is(ent.OpUpdate):
+		entOp = "Update"
+	case op.Is(ent.OpUpdateOne):
+		entOp = "UpdateOne"
+	}
 
-	// case op.Is(ent.OpUpdate):
-	// 	ml.SetOperation("Update")
-	// case op.Is(ent.OpUpdateOne):
-	// 	ml.SetOperation("UpdateOne")
+	big.
+		reqID := ctx.Value("RequestID")
+	ip := ctx.Value("RequestIP")
+	ua := ctx.Value("RequestUA")
 
-	// case op.Is(ent.OpDelete):
-	// 	ml.SetOperation("Delete")
-	// case op.Is(ent.OpDeleteOne):
-	// 	ml.SetOperation("DeleteOne")
-	// }
+	if en, ok := v.(entity); ok {
+		id, _ := en.GetID()
+		logger.Info("%s %s %s-%s(%d) ip=%s ua=%s t=%v error=%e", reqID, status, op.String(), t, id, ip, ua, d, err)
+	} else {
+		logger.Info("%s %s %s-%s ip=%s ua=%s t=%v error=%e", reqID, status, op.String(), t, ip, ua, d, err)
+	}
 }
diff --git a/db/migrations/index.go b/db/migrations/index.go
index 6913262..a1fc6c0 100644
--- a/db/migrations/index.go
+++ b/db/migrations/index.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package migrations
 
 import (
diff --git a/mailer/mailer.go b/mailer/mailer.go
index 81f99de..c33271d 100644
--- a/mailer/mailer.go
+++ b/mailer/mailer.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package mailer
 
 import (
diff --git a/mailer/message/render.go b/mailer/message/render.go
index f180d06..217875a 100644
--- a/mailer/message/render.go
+++ b/mailer/message/render.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package message
 
 import (
diff --git a/mailer/message/welcome.go b/mailer/message/welcome.go
index 9c44db7..cfd5424 100644
--- a/mailer/message/welcome.go
+++ b/mailer/message/welcome.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package message
 
 import _ "embed"
diff --git a/mailer/transport_dev.go b/mailer/transport_dev.go
index be6a2b7..c3dac6d 100644
--- a/mailer/transport_dev.go
+++ b/mailer/transport_dev.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package mailer
 
 import (
diff --git a/pkg/user/create.go b/pkg/user/create.go
index a44aac2..9c2bb34 100644
--- a/pkg/user/create.go
+++ b/pkg/user/create.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package user
 
 import (
diff --git a/pkg/user/create_test.go b/pkg/user/create_test.go
index 3967aaf..68ade84 100644
--- a/pkg/user/create_test.go
+++ b/pkg/user/create_test.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package user
 
 import (
diff --git a/pkg/user/password.go b/pkg/user/password.go
index 93e5b08..16e8e24 100644
--- a/pkg/user/password.go
+++ b/pkg/user/password.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package user
 
 // EmailResetPWD link to user to reset password
diff --git a/pkg/user/session.go b/pkg/user/session.go
index e7b55ee..4861268 100644
--- a/pkg/user/session.go
+++ b/pkg/user/session.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package user
 
 import (
diff --git a/pkg/user/token.go b/pkg/user/token.go
index 6a83f75..eca4689 100644
--- a/pkg/user/token.go
+++ b/pkg/user/token.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package user
 
 import (
diff --git a/pkg/user/token_test.go b/pkg/user/token_test.go
index e887bbf..a66544c 100644
--- a/pkg/user/token_test.go
+++ b/pkg/user/token_test.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package user
 
 import (
diff --git a/pkg/user/verify.go b/pkg/user/verify.go
index cd116a2..b514639 100644
--- a/pkg/user/verify.go
+++ b/pkg/user/verify.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package user
 
 import (
diff --git a/util/crypto/hash.go b/util/crypto/hash.go
index a1017a9..fbde359 100644
--- a/util/crypto/hash.go
+++ b/util/crypto/hash.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package crypto
 
 import (
diff --git a/util/crypto/hash_test.go b/util/crypto/hash_test.go
index 8de3ecf..2f878d7 100644
--- a/util/crypto/hash_test.go
+++ b/util/crypto/hash_test.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package crypto
 
 import "testing"
diff --git a/util/logger/logger.go b/util/logger/logger.go
index c6b3cda..d6fbdbe 100644
--- a/util/logger/logger.go
+++ b/util/logger/logger.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package logger
 
 import (
diff --git a/util/open/darwin.go b/util/open/darwin.go
index 06c891a..72671a5 100644
--- a/util/open/darwin.go
+++ b/util/open/darwin.go
@@ -1,5 +1,9 @@
 //go:build darwin
 
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package open
 
 import (
diff --git a/util/open/linux.go b/util/open/linux.go
index a432b58..803b77a 100644
--- a/util/open/linux.go
+++ b/util/open/linux.go
@@ -1,5 +1,9 @@
 //go:build linux
 
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package open
 
 import (
diff --git a/util/open/open.go b/util/open/open.go
index 0044286..69c9b35 100644
--- a/util/open/open.go
+++ b/util/open/open.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package open
 
 // WithDefaultApp open a file, directory, or URI using the OS's default application for that object type.
diff --git a/util/open/windows.go b/util/open/windows.go
index a0b0324..dfdfb28 100644
--- a/util/open/windows.go
+++ b/util/open/windows.go
@@ -1,5 +1,9 @@
 //go:build windows
 
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package open
 
 import (
diff --git a/util/structs/structs.go b/util/structs/structs.go
index bf5f209..9780bcd 100644
--- a/util/structs/structs.go
+++ b/util/structs/structs.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package structs
 
 import (
diff --git a/util/uid/sqid.go b/util/uid/sqid.go
index 99ecf08..70e016e 100644
--- a/util/uid/sqid.go
+++ b/util/uid/sqid.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package uid
 
 import "github.com/sqids/sqids-go"
diff --git a/util/uid/uuid.go b/util/uid/uuid.go
new file mode 100644
index 0000000..1f6ef0d
--- /dev/null
+++ b/util/uid/uuid.go
@@ -0,0 +1,23 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package uid
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/google/uuid"
+	"gitserver.in/patialtech/rano/util/logger"
+)
+
+func NewUUID() string {
+	id, err := uuid.NewV7()
+	if err != nil {
+		logger.Incident(context.Background(), "New UUID", err.Error())
+		return fmt.Sprintf("%d", time.Now().UTC().UnixNano())
+	}
+	return id.String()
+}
diff --git a/util/validate/validate.go b/util/validate/validate.go
index 20c9516..36c295d 100644
--- a/util/validate/validate.go
+++ b/util/validate/validate.go
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package validate
 
 import (
diff --git a/web/lib/gql/account.gql.ts b/web/lib/gql/account.gql.ts
index eeed9e0..1484b7c 100644
--- a/web/lib/gql/account.gql.ts
+++ b/web/lib/gql/account.gql.ts
@@ -1,3 +1,7 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 import { gql } from '@urql/svelte';
 export const Me = gql`
 	query Me {
diff --git a/web/lib/gql/client.ts b/web/lib/gql/client.ts
index 0fe1191..baf878e 100644
--- a/web/lib/gql/client.ts
+++ b/web/lib/gql/client.ts
@@ -1,8 +1,12 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 import { Client, cacheExchange, fetchExchange } from '@urql/svelte';
 
 export function newClient(url: string) {
 	return new Client({
 		url,
-		exchanges: [ fetchExchange]
+		exchanges: [fetchExchange]
 	});
 }
diff --git a/web/lib/stores/alert.svelte.ts b/web/lib/stores/alert.svelte.ts
index e69de29..15889d8 100644
--- a/web/lib/stores/alert.svelte.ts
+++ b/web/lib/stores/alert.svelte.ts
@@ -0,0 +1,3 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
diff --git a/web/lib/stores/auth.svelte.ts b/web/lib/stores/auth.svelte.ts
index 1a42083..0ae9a29 100644
--- a/web/lib/stores/auth.svelte.ts
+++ b/web/lib/stores/auth.svelte.ts
@@ -1 +1,5 @@
+// Copyright 2024 Patial Tech. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 export let authUser = $state();
diff --git a/web/lib/ui/Btn.svelte b/web/lib/ui/Btn.svelte
index b49c21d..cf592ca 100644
--- a/web/lib/ui/Btn.svelte
+++ b/web/lib/ui/Btn.svelte
@@ -1,12 +1,15 @@
 <script lang="ts">
-	import  { type Snippet } from "svelte";
+	import { type Snippet } from 'svelte';
 
-  interface Props {
-    children: Snippet
-  }
-	const { children }:Props = $props();
+	interface Props {
+		children: Snippet;
+	}
+	const { children }: Props = $props();
 </script>
 
+// Copyright 2024 Patial Tech. All rights reserved. // Use of this source code is governed by a BSD-style // license
+that can be found in the LICENSE file.
+
 <button>
 	{@render children()}
 </button>