diff --git a/LICENSE b/LICENSE.txt
similarity index 100%
rename from LICENSE
rename to LICENSE.txt
diff --git a/Makefile b/Makefile
index 5f5e6a93..f5210776 100644
--- a/Makefile
+++ b/Makefile
@@ -166,6 +166,7 @@ install-go-tools:
 	@echo Installing go tools
 	$(GO) install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.61.0
 	$(GO) install gotest.tools/gotestsum@v1.7.0
+	$(GO) install github.com/mattermost/mattermost-govet/v2@74015bfd77fd15511c57eaae8cba213c005ba31c
 
 ## Runs eslint and golangci-lint
 .PHONY: check-style
@@ -184,6 +185,7 @@ ifneq ($(HAS_SERVER),)
 	@echo Running golangci-lint
 	$(GO) vet ./...
 	$(GOBIN)/golangci-lint run ./...
+	$(GO) vet -vettool=$(GOBIN)/mattermost-govet -license -license.year=2023 ./...
 endif
 
 generate:
diff --git a/build/manifest/main.go b/build/manifest/main.go
index 890414a4..39d78a97 100644
--- a/build/manifest/main.go
+++ b/build/manifest/main.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/build/pluginctl/logs.go b/build/pluginctl/logs.go
index f20e8bba..f50ba961 100644
--- a/build/pluginctl/logs.go
+++ b/build/pluginctl/logs.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/build/pluginctl/logs_test.go b/build/pluginctl/logs_test.go
index 2917a271..2073e24c 100644
--- a/build/pluginctl/logs_test.go
+++ b/build/pluginctl/logs_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/build/pluginctl/main.go b/build/pluginctl/main.go
index 2f80af5b..c5e5b2a0 100644
--- a/build/pluginctl/main.go
+++ b/build/pluginctl/main.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 // main handles deployment of the plugin to a development server using the Client4 API.
 package main
 
diff --git a/plugin.go b/plugin.go
index c12d7bd8..51f84b1d 100644
--- a/plugin.go
+++ b/plugin.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package root
 
 import (
diff --git a/server/anthropic/anthropic.go b/server/anthropic/anthropic.go
index 857cb192..6d5e390a 100644
--- a/server/anthropic/anthropic.go
+++ b/server/anthropic/anthropic.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package anthropic
 
 import (
diff --git a/server/anthropic/anthropic_test.go b/server/anthropic/anthropic_test.go
index 4d2eb427..d7ca7ffb 100644
--- a/server/anthropic/anthropic_test.go
+++ b/server/anthropic/anthropic_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package anthropic
 
 import (
diff --git a/server/api.go b/server/api.go
index ab38584a..7efae9f6 100644
--- a/server/api.go
+++ b/server/api.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/api_admin.go b/server/api_admin.go
index 6c17c63c..c65d19a7 100644
--- a/server/api_admin.go
+++ b/server/api_admin.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/api_channel.go b/server/api_channel.go
index 5616c5ca..9b6cb0e0 100644
--- a/server/api_channel.go
+++ b/server/api_channel.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/api_post.go b/server/api_post.go
index 7624487f..a883fd7f 100644
--- a/server/api_post.go
+++ b/server/api_post.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/api_test.go b/server/api_test.go
index d7b8c093..be4cfabe 100644
--- a/server/api_test.go
+++ b/server/api_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/asksage/asksage.go b/server/asksage/asksage.go
index f3a43093..eab834e0 100644
--- a/server/asksage/asksage.go
+++ b/server/asksage/asksage.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package asksage
 
 import (
diff --git a/server/asksage/client.go b/server/asksage/client.go
index 4017cb19..c61322f5 100644
--- a/server/asksage/client.go
+++ b/server/asksage/client.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package asksage
 
 import (
diff --git a/server/bot.go b/server/bot.go
index 419fcec9..5830b4ba 100644
--- a/server/bot.go
+++ b/server/bot.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/built_in_tools.go b/server/built_in_tools.go
index 5f888b20..2ef91af0 100644
--- a/server/built_in_tools.go
+++ b/server/built_in_tools.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/configuration.go b/server/configuration.go
index 37879dcc..e58258bb 100644
--- a/server/configuration.go
+++ b/server/configuration.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/conversation_context.go b/server/conversation_context.go
index dc9d0152..f2449b1b 100644
--- a/server/conversation_context.go
+++ b/server/conversation_context.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/conversations.go b/server/conversations.go
index 200108c5..217329aa 100644
--- a/server/conversations.go
+++ b/server/conversations.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/enterprise/license.go b/server/enterprise/license.go
index e90c61dc..6d9a892b 100644
--- a/server/enterprise/license.go
+++ b/server/enterprise/license.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.enterprise for license information.
+
 package enterprise
 
 import (
diff --git a/server/handle_messages.go b/server/handle_messages.go
index c2929d12..f10e8b9e 100644
--- a/server/handle_messages.go
+++ b/server/handle_messages.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/handle_messages_test.go b/server/handle_messages_test.go
index e2f13d47..dad5c732 100644
--- a/server/handle_messages_test.go
+++ b/server/handle_messages_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/http_external.go b/server/http_external.go
index fd716a46..043c50a6 100644
--- a/server/http_external.go
+++ b/server/http_external.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/http_external_test.go b/server/http_external_test.go
index 9b1ce301..ef587698 100644
--- a/server/http_external_test.go
+++ b/server/http_external_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/i18n.go b/server/i18n.go
index 393067e9..c86fea91 100644
--- a/server/i18n.go
+++ b/server/i18n.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/llm/configuration.go b/server/llm/configuration.go
index 12f13cbd..e1f4bd0e 100644
--- a/server/llm/configuration.go
+++ b/server/llm/configuration.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package llm
 
 type ServiceConfig struct {
diff --git a/server/llm/configuration_test.go b/server/llm/configuration_test.go
index da269cea..1d4f3fdf 100644
--- a/server/llm/configuration_test.go
+++ b/server/llm/configuration_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package llm
 
 import (
diff --git a/server/llm/conversation.go b/server/llm/conversation.go
index 41989f17..2368410b 100644
--- a/server/llm/conversation.go
+++ b/server/llm/conversation.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package llm
 
 import (
diff --git a/server/llm/conversation_test.go b/server/llm/conversation_test.go
index c4fd663b..1c0677a6 100644
--- a/server/llm/conversation_test.go
+++ b/server/llm/conversation_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package llm
 
 import (
diff --git a/server/llm/generate_prompt_vars.go b/server/llm/generate_prompt_vars.go
index 260c4eca..8fbbc5fc 100644
--- a/server/llm/generate_prompt_vars.go
+++ b/server/llm/generate_prompt_vars.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 //go:build ignore
 
 package main
diff --git a/server/llm/language_model.go b/server/llm/language_model.go
index 9d169293..bd676471 100644
--- a/server/llm/language_model.go
+++ b/server/llm/language_model.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package llm
 
 type LanguageModel interface {
diff --git a/server/llm/prompts.go b/server/llm/prompts.go
index b9bb3255..54931b07 100644
--- a/server/llm/prompts.go
+++ b/server/llm/prompts.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package llm
 
 import (
diff --git a/server/llm/prompts_vars.go b/server/llm/prompts_vars.go
index 81cb085d..5c92f037 100644
--- a/server/llm/prompts_vars.go
+++ b/server/llm/prompts_vars.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package llm
 
 // Automatically generated convenience vars for the filenames in llm/prompts/
diff --git a/server/llm/stream.go b/server/llm/stream.go
index d38de8c9..58021333 100644
--- a/server/llm/stream.go
+++ b/server/llm/stream.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package llm
 
 type TextStreamResult struct {
diff --git a/server/llm/subtitles/subtitles.go b/server/llm/subtitles/subtitles.go
index 8a042c3a..6226d236 100644
--- a/server/llm/subtitles/subtitles.go
+++ b/server/llm/subtitles/subtitles.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package subtitles
 
 import (
diff --git a/server/llm/subtitles/subtitles_test.go b/server/llm/subtitles/subtitles_test.go
index 7309f939..6193e6fb 100644
--- a/server/llm/subtitles/subtitles_test.go
+++ b/server/llm/subtitles/subtitles_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package subtitles
 
 import (
diff --git a/server/llm/tools.go b/server/llm/tools.go
index d0c330ba..8a430189 100644
--- a/server/llm/tools.go
+++ b/server/llm/tools.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package llm
 
 import (
diff --git a/server/llm_log.go b/server/llm_log.go
index ecdc21e9..479f8922 100644
--- a/server/llm_log.go
+++ b/server/llm_log.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/llm_truncate.go b/server/llm_truncate.go
index df9a2432..a5ab4988 100644
--- a/server/llm_truncate.go
+++ b/server/llm_truncate.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/main.go b/server/main.go
index cf8238e6..e9045c6e 100644
--- a/server/main.go
+++ b/server/main.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/meeting_summarization.go b/server/meeting_summarization.go
index 9d164bb8..45d47957 100644
--- a/server/meeting_summarization.go
+++ b/server/meeting_summarization.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/mentions.go b/server/mentions.go
index d570de6e..68cff754 100644
--- a/server/mentions.go
+++ b/server/mentions.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/mentions_test.go b/server/mentions_test.go
index 80eaf851..9eaa438f 100644
--- a/server/mentions_test.go
+++ b/server/mentions_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/metrics.go b/server/metrics.go
index adbfaf99..9aaca7a0 100644
--- a/server/metrics.go
+++ b/server/metrics.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/metrics/metrics.go b/server/metrics/metrics.go
index f5032862..b94a1daf 100644
--- a/server/metrics/metrics.go
+++ b/server/metrics/metrics.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package metrics
 
 import (
diff --git a/server/metrics/server.go b/server/metrics/server.go
index 66b5e4f9..ffe32246 100644
--- a/server/metrics/server.go
+++ b/server/metrics/server.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package metrics
 
 import (
diff --git a/server/mmapi/channels.go b/server/mmapi/channels.go
index e41e07ce..31aa2920 100644
--- a/server/mmapi/channels.go
+++ b/server/mmapi/channels.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package mmapi
 
 import (
diff --git a/server/mmapi/channels_test.go b/server/mmapi/channels_test.go
index ec8205e3..c96e6388 100644
--- a/server/mmapi/channels_test.go
+++ b/server/mmapi/channels_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package mmapi
 
 import (
diff --git a/server/openai/openai.go b/server/openai/openai.go
index 7309ae2f..6b3cbf9a 100644
--- a/server/openai/openai.go
+++ b/server/openai/openai.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package openai
 
 import (
diff --git a/server/permissions.go b/server/permissions.go
index bd07f09e..5793b7cc 100644
--- a/server/permissions.go
+++ b/server/permissions.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/permissions_test.go b/server/permissions_test.go
index f1004391..02d77b42 100644
--- a/server/permissions_test.go
+++ b/server/permissions_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/plugin.go b/server/plugin.go
index 606652d6..f8169afa 100644
--- a/server/plugin.go
+++ b/server/plugin.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/plugin_test.go b/server/plugin_test.go
index 789873ef..ca1f9850 100644
--- a/server/plugin_test.go
+++ b/server/plugin_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/post_processing.go b/server/post_processing.go
index ad27c7ac..8618d8e9 100644
--- a/server/post_processing.go
+++ b/server/post_processing.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/store.go b/server/store.go
index 4d6b09f7..94f45f54 100644
--- a/server/store.go
+++ b/server/store.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/text_splitting.go b/server/text_splitting.go
index 4867b4b1..2fae74d6 100644
--- a/server/text_splitting.go
+++ b/server/text_splitting.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/text_splitting_test.go b/server/text_splitting_test.go
index 83163e77..c72dbda4 100644
--- a/server/text_splitting_test.go
+++ b/server/text_splitting_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/thread_analysis.go b/server/thread_analysis.go
index 681f0a1c..29591caf 100644
--- a/server/thread_analysis.go
+++ b/server/thread_analysis.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/server/transcriptions.go b/server/transcriptions.go
index 4d4dd923..2e77b167 100644
--- a/server/transcriptions.go
+++ b/server/transcriptions.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package main
 
 import (
diff --git a/webapp/.eslintignore b/webapp/.eslintignore
new file mode 100644
index 00000000..ddcff954
--- /dev/null
+++ b/webapp/.eslintignore
@@ -0,0 +1,2 @@
+
+src/manifest.*
\ No newline at end of file
diff --git a/webapp/.eslintrc.json b/webapp/.eslintrc.json
index b8be7552..9192a6d8 100644
--- a/webapp/.eslintrc.json
+++ b/webapp/.eslintrc.json
@@ -22,7 +22,8 @@
       "babel",
       "cypress",
       "no-only-tests",
-      "@typescript-eslint"
+      "@typescript-eslint",
+      "header"
    ],
    "parserOptions": {
       "ecmaVersion": "latest",
@@ -123,6 +124,12 @@
             "allowArrowFunctions": true
          }
       ],
+      "header/header": [
+        2,
+        "line",
+        " Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.\n See LICENSE.txt for license information.",
+        2
+      ],
       "generator-star-spacing": [
          2,
          {
diff --git a/webapp/babel.config.js b/webapp/babel.config.js
index bfa13387..1d76fb94 100644
--- a/webapp/babel.config.js
+++ b/webapp/babel.config.js
@@ -1,4 +1,4 @@
-// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
 // See LICENSE.txt for license information.
 
 const config = {
diff --git a/webapp/src/bots.tsx b/webapp/src/bots.tsx
index ecd187ca..21222547 100644
--- a/webapp/src/bots.tsx
+++ b/webapp/src/bots.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import {useState, useEffect} from 'react';
 
 import {useDispatch, useSelector} from 'react-redux';
diff --git a/webapp/src/calls_button.tsx b/webapp/src/calls_button.tsx
index 4b26107c..9b86e706 100644
--- a/webapp/src/calls_button.tsx
+++ b/webapp/src/calls_button.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import {doSummarizeTranscription} from './client';
 import {doSelectPost} from './hooks';
 
diff --git a/webapp/src/client.tsx b/webapp/src/client.tsx
index 17ad976f..0654bcf1 100644
--- a/webapp/src/client.tsx
+++ b/webapp/src/client.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import {Client4 as Client4Class, ClientError} from '@mattermost/client';
 import {ChannelWithTeamData} from '@mattermost/types/channels';
 import {Team} from '@mattermost/types/lib/teams';
diff --git a/webapp/src/components/ask_ai_input.tsx b/webapp/src/components/ask_ai_input.tsx
index 8a0b297d..7c3c4ca9 100644
--- a/webapp/src/components/ask_ai_input.tsx
+++ b/webapp/src/components/ask_ai_input.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React, {useState} from 'react';
 import styled from 'styled-components';
 
diff --git a/webapp/src/components/assets/buttons.tsx b/webapp/src/components/assets/buttons.tsx
index d2c0d128..4b4bf730 100644
--- a/webapp/src/components/assets/buttons.tsx
+++ b/webapp/src/components/assets/buttons.tsx
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License for license information.
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 import styled from 'styled-components';
 
diff --git a/webapp/src/components/assets/icon_ai.tsx b/webapp/src/components/assets/icon_ai.tsx
index 13c9d9f0..2a118f16 100644
--- a/webapp/src/components/assets/icon_ai.tsx
+++ b/webapp/src/components/assets/icon_ai.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 
 import Svg from '../svg';
diff --git a/webapp/src/components/assets/icon_cancel.tsx b/webapp/src/components/assets/icon_cancel.tsx
index 83a6751e..88ff1be1 100644
--- a/webapp/src/components/assets/icon_cancel.tsx
+++ b/webapp/src/components/assets/icon_cancel.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 
 import Svg from '../svg';
diff --git a/webapp/src/components/assets/icon_react_for_me.tsx b/webapp/src/components/assets/icon_react_for_me.tsx
index 6e47f8bc..7b1d3227 100644
--- a/webapp/src/components/assets/icon_react_for_me.tsx
+++ b/webapp/src/components/assets/icon_react_for_me.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 
 import Svg from '../svg';
diff --git a/webapp/src/components/assets/icon_regenerate.tsx b/webapp/src/components/assets/icon_regenerate.tsx
index 31a11776..4fcfc58e 100644
--- a/webapp/src/components/assets/icon_regenerate.tsx
+++ b/webapp/src/components/assets/icon_regenerate.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 
 import Svg from '../svg';
diff --git a/webapp/src/components/assets/icon_sparkle_checkmark.tsx b/webapp/src/components/assets/icon_sparkle_checkmark.tsx
index 37f77884..47633593 100644
--- a/webapp/src/components/assets/icon_sparkle_checkmark.tsx
+++ b/webapp/src/components/assets/icon_sparkle_checkmark.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 
 import Svg from '../svg';
diff --git a/webapp/src/components/assets/icon_sparkle_question.tsx b/webapp/src/components/assets/icon_sparkle_question.tsx
index 10d8f239..f7c83393 100644
--- a/webapp/src/components/assets/icon_sparkle_question.tsx
+++ b/webapp/src/components/assets/icon_sparkle_question.tsx
@@ -1,3 +1,5 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 import React from 'react';
 
diff --git a/webapp/src/components/assets/icon_thread.tsx b/webapp/src/components/assets/icon_thread.tsx
index 08a91b9f..06aa9a85 100644
--- a/webapp/src/components/assets/icon_thread.tsx
+++ b/webapp/src/components/assets/icon_thread.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 
 import Svg from '../svg';
diff --git a/webapp/src/components/assets/icon_thread_summarization.tsx b/webapp/src/components/assets/icon_thread_summarization.tsx
index 9642ad67..ab18c174 100644
--- a/webapp/src/components/assets/icon_thread_summarization.tsx
+++ b/webapp/src/components/assets/icon_thread_summarization.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 
 import Svg from '../svg';
diff --git a/webapp/src/components/assets/icon_wand.tsx b/webapp/src/components/assets/icon_wand.tsx
index 724eb947..f69d7453 100644
--- a/webapp/src/components/assets/icon_wand.tsx
+++ b/webapp/src/components/assets/icon_wand.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 
 import Svg from '../svg';
diff --git a/webapp/src/components/assets/loading_spinner.tsx b/webapp/src/components/assets/loading_spinner.tsx
index 422e2643..b7684109 100644
--- a/webapp/src/components/assets/loading_spinner.tsx
+++ b/webapp/src/components/assets/loading_spinner.tsx
@@ -1,5 +1,4 @@
-
-// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
 // See LICENSE.txt for license information.
 
 import React from 'react';
diff --git a/webapp/src/components/assets/rhs_image.tsx b/webapp/src/components/assets/rhs_image.tsx
index 789aaee4..2529e925 100644
--- a/webapp/src/components/assets/rhs_image.tsx
+++ b/webapp/src/components/assets/rhs_image.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 
 import Svg from '../svg';
diff --git a/webapp/src/components/assets/sparkles_graphic.tsx b/webapp/src/components/assets/sparkles_graphic.tsx
index 5f169bc5..fc3316bc 100644
--- a/webapp/src/components/assets/sparkles_graphic.tsx
+++ b/webapp/src/components/assets/sparkles_graphic.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 
 import Svg from '../svg';
diff --git a/webapp/src/components/bot_slector.tsx b/webapp/src/components/bot_slector.tsx
index d5a161ea..3dee675b 100644
--- a/webapp/src/components/bot_slector.tsx
+++ b/webapp/src/components/bot_slector.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 import {FormattedMessage} from 'react-intl';
 
diff --git a/webapp/src/components/checkbox.tsx b/webapp/src/components/checkbox.tsx
index b62e3275..9f4b96f9 100644
--- a/webapp/src/components/checkbox.tsx
+++ b/webapp/src/components/checkbox.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 import styled from 'styled-components';
 
diff --git a/webapp/src/components/dot_menu.tsx b/webapp/src/components/dot_menu.tsx
index 9eb17408..ffad535c 100644
--- a/webapp/src/components/dot_menu.tsx
+++ b/webapp/src/components/dot_menu.tsx
@@ -1,4 +1,4 @@
-// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
 // See LICENSE.txt for license information.
 
 import React, {ComponentProps, useState} from 'react';
diff --git a/webapp/src/components/dropdown.tsx b/webapp/src/components/dropdown.tsx
index 6417c62a..ee6e410c 100644
--- a/webapp/src/components/dropdown.tsx
+++ b/webapp/src/components/dropdown.tsx
@@ -1,4 +1,4 @@
-// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
 // See LICENSE.txt for license information.
 
 import React, {ComponentProps, cloneElement, useState} from 'react';
diff --git a/webapp/src/components/dropdown_info.tsx b/webapp/src/components/dropdown_info.tsx
index b8f68ba7..ad662227 100644
--- a/webapp/src/components/dropdown_info.tsx
+++ b/webapp/src/components/dropdown_info.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 import {FormattedMessage} from 'react-intl';
 import styled, {css} from 'styled-components';
diff --git a/webapp/src/components/llmbot_post.tsx b/webapp/src/components/llmbot_post.tsx
index c7ab090c..ed825a6b 100644
--- a/webapp/src/components/llmbot_post.tsx
+++ b/webapp/src/components/llmbot_post.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React, {useEffect, useRef, useState} from 'react';
 import {FormattedMessage} from 'react-intl';
 import {useSelector} from 'react-redux';
diff --git a/webapp/src/components/pill.tsx b/webapp/src/components/pill.tsx
index 738c5ee8..5acda697 100644
--- a/webapp/src/components/pill.tsx
+++ b/webapp/src/components/pill.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import styled from 'styled-components';
 
 export const Pill = styled.div`
diff --git a/webapp/src/components/post_menu.tsx b/webapp/src/components/post_menu.tsx
index 3c127356..d26e5862 100644
--- a/webapp/src/components/post_menu.tsx
+++ b/webapp/src/components/post_menu.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 import {FormattedMessage, useIntl} from 'react-intl';
 
diff --git a/webapp/src/components/post_text.tsx b/webapp/src/components/post_text.tsx
index a09d2bdf..0228e2dd 100644
--- a/webapp/src/components/post_text.tsx
+++ b/webapp/src/components/post_text.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 import {useSelector} from 'react-redux';
 import styled, {keyframes, css} from 'styled-components';
diff --git a/webapp/src/components/postback_post.tsx b/webapp/src/components/postback_post.tsx
index 5947f571..a8bb1283 100644
--- a/webapp/src/components/postback_post.tsx
+++ b/webapp/src/components/postback_post.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 import {useSelector} from 'react-redux';
 import {FormattedMessage} from 'react-intl';
diff --git a/webapp/src/components/rhs/common.tsx b/webapp/src/components/rhs/common.tsx
index 524ef6bc..a6e8d454 100644
--- a/webapp/src/components/rhs/common.tsx
+++ b/webapp/src/components/rhs/common.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import styled from 'styled-components';
 
 export const Button = styled.button`
diff --git a/webapp/src/components/rhs/rhs.tsx b/webapp/src/components/rhs/rhs.tsx
index b0a068e5..baacb32e 100644
--- a/webapp/src/components/rhs/rhs.tsx
+++ b/webapp/src/components/rhs/rhs.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React, {useState, useEffect, useCallback} from 'react';
 import {FormattedMessage, useIntl} from 'react-intl';
 import {useDispatch, useSelector} from 'react-redux';
diff --git a/webapp/src/components/rhs/rhs_header.tsx b/webapp/src/components/rhs/rhs_header.tsx
index dea9f254..a8f483f6 100644
--- a/webapp/src/components/rhs/rhs_header.tsx
+++ b/webapp/src/components/rhs/rhs_header.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import {ChevronDownIcon} from '@mattermost/compass-icons/components';
 import React from 'react';
 import styled from 'styled-components';
diff --git a/webapp/src/components/rhs/rhs_new_tab.tsx b/webapp/src/components/rhs/rhs_new_tab.tsx
index 0977b69a..8cf48b31 100644
--- a/webapp/src/components/rhs/rhs_new_tab.tsx
+++ b/webapp/src/components/rhs/rhs_new_tab.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React, {useState, useCallback} from 'react';
 import styled from 'styled-components';
 import {useIntl, FormattedMessage} from 'react-intl';
diff --git a/webapp/src/components/rhs/thread_item.tsx b/webapp/src/components/rhs/thread_item.tsx
index 9baadecb..2f439ad1 100644
--- a/webapp/src/components/rhs/thread_item.tsx
+++ b/webapp/src/components/rhs/thread_item.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 import styled from 'styled-components';
 
diff --git a/webapp/src/components/select.tsx b/webapp/src/components/select.tsx
index 273835f2..4077b5ca 100644
--- a/webapp/src/components/select.tsx
+++ b/webapp/src/components/select.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React, {useState, useEffect, useCallback} from 'react';
 import styled from 'styled-components';
 import AsyncSelect from 'react-select/async';
diff --git a/webapp/src/components/svg.tsx b/webapp/src/components/svg.tsx
index 3f4c97c4..ab0f6e98 100644
--- a/webapp/src/components/svg.tsx
+++ b/webapp/src/components/svg.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import styled from 'styled-components';
 
 // Hat-tip: https://www.pinkdroids.com/blog/svg-react-styled-components/
diff --git a/webapp/src/components/system_console/avatar.tsx b/webapp/src/components/system_console/avatar.tsx
index 1d3b8967..26bf5dea 100644
--- a/webapp/src/components/system_console/avatar.tsx
+++ b/webapp/src/components/system_console/avatar.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React, {ChangeEvent, useEffect, useRef, useState} from 'react';
 import styled from 'styled-components';
 import {FormattedMessage} from 'react-intl';
diff --git a/webapp/src/components/system_console/bot.tsx b/webapp/src/components/system_console/bot.tsx
index d5f6be73..1075e510 100644
--- a/webapp/src/components/system_console/bot.tsx
+++ b/webapp/src/components/system_console/bot.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React, {useState} from 'react';
 import styled from 'styled-components';
 import {FormattedMessage, useIntl} from 'react-intl';
diff --git a/webapp/src/components/system_console/bots.tsx b/webapp/src/components/system_console/bots.tsx
index 0d2e8483..8feb1390 100644
--- a/webapp/src/components/system_console/bots.tsx
+++ b/webapp/src/components/system_console/bots.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 import styled from 'styled-components';
 import {PlusIcon} from '@mattermost/compass-icons/components';
diff --git a/webapp/src/components/system_console/config.tsx b/webapp/src/components/system_console/config.tsx
index bd500fad..477f5af1 100644
--- a/webapp/src/components/system_console/config.tsx
+++ b/webapp/src/components/system_console/config.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React, {useEffect, useState} from 'react';
 import styled from 'styled-components';
 import {FormattedMessage, useIntl} from 'react-intl';
diff --git a/webapp/src/components/system_console/enterprise_chip.tsx b/webapp/src/components/system_console/enterprise_chip.tsx
index 07412943..cb3db516 100644
--- a/webapp/src/components/system_console/enterprise_chip.tsx
+++ b/webapp/src/components/system_console/enterprise_chip.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 import styled from 'styled-components';
 
diff --git a/webapp/src/components/system_console/item.tsx b/webapp/src/components/system_console/item.tsx
index b647a246..6531adae 100644
--- a/webapp/src/components/system_console/item.tsx
+++ b/webapp/src/components/system_console/item.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 import styled from 'styled-components';
 import {FormattedMessage} from 'react-intl';
diff --git a/webapp/src/components/system_console/llm_access.tsx b/webapp/src/components/system_console/llm_access.tsx
index 4bd25038..cbb6caf0 100644
--- a/webapp/src/components/system_console/llm_access.tsx
+++ b/webapp/src/components/system_console/llm_access.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 import styled from 'styled-components';
 import {FormattedMessage} from 'react-intl';
diff --git a/webapp/src/components/system_console/no_bots_page.tsx b/webapp/src/components/system_console/no_bots_page.tsx
index 33d83fb8..122d8095 100644
--- a/webapp/src/components/system_console/no_bots_page.tsx
+++ b/webapp/src/components/system_console/no_bots_page.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import {PlusIcon} from '@mattermost/compass-icons/components';
 import React from 'react';
 import styled from 'styled-components';
diff --git a/webapp/src/components/system_console/panel.tsx b/webapp/src/components/system_console/panel.tsx
index 9259d5d9..7414cf69 100644
--- a/webapp/src/components/system_console/panel.tsx
+++ b/webapp/src/components/system_console/panel.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 import styled from 'styled-components';
 
diff --git a/webapp/src/components/system_console/service.tsx b/webapp/src/components/system_console/service.tsx
index e78efb31..dac45d8e 100644
--- a/webapp/src/components/system_console/service.tsx
+++ b/webapp/src/components/system_console/service.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 export type ServiceData = {
     id: string
     name: string
diff --git a/webapp/src/components/unreads_summarize.tsx b/webapp/src/components/unreads_summarize.tsx
index 6958f839..9b72f59c 100644
--- a/webapp/src/components/unreads_summarize.tsx
+++ b/webapp/src/components/unreads_summarize.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 import styled from 'styled-components';
 import {FormattedMessage} from 'react-intl';
diff --git a/webapp/src/hooks.tsx b/webapp/src/hooks.tsx
index 5204df46..aa173756 100644
--- a/webapp/src/hooks.tsx
+++ b/webapp/src/hooks.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import {useDispatch} from 'react-redux';
 
 import {selectPost, openRHS, selectRegularPost} from 'src/redux_actions';
diff --git a/webapp/src/index.tsx b/webapp/src/index.tsx
index 02b05a96..ca04a166 100644
--- a/webapp/src/index.tsx
+++ b/webapp/src/index.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import React from 'react';
 import {Store, Action} from 'redux';
 import styled from 'styled-components';
diff --git a/webapp/src/license.tsx b/webapp/src/license.tsx
index 0c783905..5d8a83a3 100644
--- a/webapp/src/license.tsx
+++ b/webapp/src/license.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import {useSelector} from 'react-redux';
 
 import {GlobalState} from '@mattermost/types/store';
diff --git a/webapp/src/mm_webapp.ts b/webapp/src/mm_webapp.ts
index 4ef70753..a2de2cf3 100644
--- a/webapp/src/mm_webapp.ts
+++ b/webapp/src/mm_webapp.ts
@@ -1,3 +1,5 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 export const AdvancedTextEditor = (window as any).Components.AdvancedTextEditor;
 
diff --git a/webapp/src/redux.tsx b/webapp/src/redux.tsx
index 81883dfc..23ed5968 100644
--- a/webapp/src/redux.tsx
+++ b/webapp/src/redux.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import {combineReducers, Store, Action} from 'redux';
 import {GlobalState} from '@mattermost/types/store';
 
diff --git a/webapp/src/redux_actions.tsx b/webapp/src/redux_actions.tsx
index 7ac78b98..0252bed8 100644
--- a/webapp/src/redux_actions.tsx
+++ b/webapp/src/redux_actions.tsx
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 export const selectPost = (postid: string) => {
     return {
         type: 'SELECT_AI_POST',
diff --git a/webapp/src/types/mattermost-webapp/index.d.ts b/webapp/src/types/mattermost-webapp/index.d.ts
index 906abe1e..0a122701 100644
--- a/webapp/src/types/mattermost-webapp/index.d.ts
+++ b/webapp/src/types/mattermost-webapp/index.d.ts
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 export interface PluginRegistry {
     registerPostTypeComponent(typeName: string, component: React.ElementType)
 
diff --git a/webapp/src/websocket.ts b/webapp/src/websocket.ts
index c41c89db..ddff6ec1 100644
--- a/webapp/src/websocket.ts
+++ b/webapp/src/websocket.ts
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 import {WebSocketMessage} from '@mattermost/client';
 
 import {PostUpdateWebsocketMessage} from './components/llmbot_post';
diff --git a/webapp/tests/setup.tsx b/webapp/tests/setup.tsx
index c011b8ed..d39ed0eb 100644
--- a/webapp/tests/setup.tsx
+++ b/webapp/tests/setup.tsx
@@ -1,4 +1,4 @@
-// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
 // See LICENSE.txt for license information.
 
 // import '@mattermost/webapp/tests/setup';
diff --git a/webapp/webpack.config.js b/webapp/webpack.config.js
index 402d406c..ca4cb3c3 100644
--- a/webapp/webpack.config.js
+++ b/webapp/webpack.config.js
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 const exec = require('child_process').exec;
 
 const path = require('path');