Fix godoc linting error by adding missing godoc (google#335)

* Fix godoc linting error by adding missing godoc

Also simply the wording in some existing package godocs.

* Update artifact/gcsartifact/service.go

Co-authored-by: Dmitry Pasiukevich <20398573+dpasiukevich@users.noreply.github.com>

---------

Co-authored-by: Dmitry Pasiukevich <20398573+dpasiukevich@users.noreply.github.com>

Author: rakyll

agent/llmagent/doc.go

@@ -12,5 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// Package llmagent provides a way to build LLM-based agents.
+// Package llmagent provides an LLM-based agent.
+// LLM agents use large language models to perform tasks based on instructions, user input,
+// deciding on actions to take, and executing actions using available tools or
+// delegating to sub agents.
 package llmagent

agent/remoteagent/a2a_agent.go

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// Package remoteagent allows to use a remote agent via A2A protocol.
 package remoteagent
 
 import (

agent/remoteagent/doc.go

@@ -0,0 +1,16 @@
+// Copyright 2025 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package remoteagent allows to use a remote ADK agents.
+package remoteagent

artifact/gcsartifact/gcs_client.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package gcs
+package gcsartifact
 
 import (
 	"context"

artifact/gcsartifact/gcs_test.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package gcs
+package gcsartifact
 
 import (
 	"bytes"

artifact/gcsartifact/service.go

@@ -12,13 +12,12 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// Package gcs provides a Google Cloud Storage (GCS) implementation of the
-// [artifact.Service] interface.
+// Package gcsartifact provides a Google Cloud Storage (GCS) [artifact.Service].
 //
 // This package allows storing and retrieving artifacts in a GCS bucket.
 // Artifacts are organized by application name, user ID, session ID, and filename,
 // with support for versioning.
-package gcs
+package gcsartifact
 
 import (
 	"context"

cmd/adkgo/adkgo.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// Adkgo is a CLI tool to help deploy and test an ADK application.
+// adkgo is a CLI tool to help deploy and test an ADK application.
 package main
 
 import (

cmd/launcher/console/console.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// Package console provides a simple way to interact with an agent from console application
+// Package console provides a simple way to interact with an agent from console application.
 package console
 
 import (

cmd/launcher/full/full.go

@@ -25,7 +25,7 @@ import (
 	"google.golang.org/adk/cmd/launcher/web/webui"
 )
 
-// NewLauncher returnes the most versatile universal launcher with all options built-in
+// NewLauncher returnes the most versatile universal launcher with all options built-in.
 func NewLauncher() launcher.Launcher {
 	return universal.NewLauncher(console.NewLauncher(), web.NewLauncher(api.NewLauncher(), a2a.NewLauncher(), webui.NewLauncher()))
 }

cmd/launcher/launcher.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// Package launcher provides ways to interact with agents
+// Package launcher provides ways to interact with agents.
 package launcher
 
 import (