fix: Resolve all linter issues

- Use modules/json instead of encoding/json (depguard)
- Rename 'cap' variable to avoid shadowing builtin (revive)
- Simplify conditional assignment (staticcheck)
- Fix gofmt formatting issues

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

modules/structs/actions_capabilities.go

@@ -42,9 +42,9 @@ type PlatformInfo struct {
 
 // WorkflowHints provides hints for AI workflow generation
 type WorkflowHints struct {
-	PreferredCheckout          string `json:"preferred_checkout,omitempty"`
-	ArtifactUploadAlternative  string `json:"artifact_upload_alternative,omitempty"`
-	SecretAccess               string `json:"secret_access,omitempty"`
+	PreferredCheckout         string `json:"preferred_checkout,omitempty"`
+	ArtifactUploadAlternative string `json:"artifact_upload_alternative,omitempty"`
+	SecretAccess              string `json:"secret_access,omitempty"`
 }
 
 // RunnerWithCapabilities represents a runner with its capabilities for API response
@@ -87,7 +87,7 @@ type RunnerMatch struct {
 
 // WorkflowValidationResponse is the response for workflow validation
 type WorkflowValidationResponse struct {
-	Valid        bool                         `json:"valid"`
-	Warnings     []*WorkflowValidationWarning `json:"warnings,omitempty"`
-	RunnerMatch  []*RunnerMatch               `json:"runner_match,omitempty"`
+	Valid       bool                         `json:"valid"`
+	Warnings    []*WorkflowValidationWarning `json:"warnings,omitempty"`
+	RunnerMatch []*RunnerMatch               `json:"runner_match,omitempty"`
 }

routers/api/v1/repo/release.go

@@ -156,10 +156,7 @@ func ListReleases(ctx *context.APIContext) {
 	listOptions := utils.GetListOptions(ctx)
 
 	// By default, exclude archived releases unless explicitly requested
-	includeArchived := false
-	if ctx.FormOptionalBool("archived").Has() {
-		includeArchived = true
-	}
+	includeArchived := ctx.FormOptionalBool("archived").Has()
 
 	opts := repo_model.FindReleasesOptions{
 		ListOptions:     listOptions,

routers/api/v2/actions.go

@@ -4,11 +4,11 @@
 package v2
 
 import (
-	"encoding/json"
 	"time"
 
-	"code.gitea.io/gitea/modules/actions"
 	actions_model "code.gitea.io/gitea/models/actions"
+	"code.gitea.io/gitea/modules/actions"
+	"code.gitea.io/gitea/modules/json"
 	"code.gitea.io/gitea/modules/setting"
 	api "code.gitea.io/gitea/modules/structs"
 	"code.gitea.io/gitea/modules/web"
@@ -80,9 +80,9 @@ func GetActionsCapabilities(ctx *context.APIContext) {
 
 		// Parse capabilities JSON if available
 		if runner.CapabilitiesJSON != "" {
-			var cap api.RunnerCapability
-			if err := json.Unmarshal([]byte(runner.CapabilitiesJSON), &cap); err == nil {
-				runnerResp.Capabilities = &cap
+			var runnerCaps api.RunnerCapability
+			if err := json.Unmarshal([]byte(runner.CapabilitiesJSON), &runnerCaps); err == nil {
+				runnerResp.Capabilities = &runnerCaps
 			}
 		}
 
@@ -99,7 +99,7 @@ func GetActionsCapabilities(ctx *context.APIContext) {
 
 // inferCapabilitiesFromLabels attempts to infer capabilities from runner labels
 func inferCapabilitiesFromLabels(labels []string) *api.RunnerCapability {
-	cap := &api.RunnerCapability{
+	caps := &api.RunnerCapability{
 		Limitations: []string{
 			"Capabilities inferred from labels - may not be accurate",
 			"actions/upload-artifact@v4 not supported (use v3 or direct API upload)",
@@ -109,27 +109,27 @@ func inferCapabilitiesFromLabels(labels []string) *api.RunnerCapability {
 	for _, label := range labels {
 		switch label {
 		case "ubuntu-latest", "ubuntu-22.04", "ubuntu-20.04":
-			cap.OS = "linux"
-			cap.Shell = []string{"bash", "sh"}
+			caps.OS = "linux"
+			caps.Shell = []string{"bash", "sh"}
 		case "windows-latest", "windows-2022", "windows-2019":
-			cap.OS = "windows"
-			cap.Shell = []string{"pwsh", "powershell", "cmd"}
+			caps.OS = "windows"
+			caps.Shell = []string{"pwsh", "powershell", "cmd"}
 		case "macos-latest", "macos-13", "macos-12":
-			cap.OS = "darwin"
-			cap.Shell = []string{"bash", "sh", "zsh"}
+			caps.OS = "darwin"
+			caps.Shell = []string{"bash", "sh", "zsh"}
 		case "linux":
-			cap.OS = "linux"
+			caps.OS = "linux"
 		case "x64", "amd64":
-			cap.Arch = "amd64"
+			caps.Arch = "amd64"
 		case "arm64", "aarch64":
-			cap.Arch = "arm64"
+			caps.Arch = "arm64"
 		case "docker":
-			cap.Docker = true
-			cap.ContainerRuntime = "docker"
+			caps.Docker = true
+			caps.ContainerRuntime = "docker"
 		}
 	}
 
-	return cap
+	return caps
 }
 
 // ValidateWorkflow validates a workflow YAML and returns compatibility warnings

routers/api/v2/api.go

@@ -24,8 +24,8 @@ import (
 	"net/http"
 	"strings"
 
-	access_model "code.gitea.io/gitea/models/perm/access"
 	auth_model "code.gitea.io/gitea/models/auth"
+	access_model "code.gitea.io/gitea/models/perm/access"
 	repo_model "code.gitea.io/gitea/models/repo"
 	user_model "code.gitea.io/gitea/models/user"
 	apierrors "code.gitea.io/gitea/modules/errors"

routers/web/shared/actions/runners.go

@@ -4,13 +4,13 @@
 package actions
 
 import (
-	"encoding/json"
 	"errors"
 	"net/http"
 	"net/url"
 
 	actions_model "code.gitea.io/gitea/models/actions"
 	"code.gitea.io/gitea/models/db"
+	"code.gitea.io/gitea/modules/json"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/structs"