Update go.mod and go.sum (#24)

* Codebase cleanup

.github/workflows/autoupdate.yaml

@@ -5,69 +5,16 @@ on:
   schedule:
     - cron: "0 3 * * *"
 
-env:
-  GO_VERSION: ">=1.21"
+permissions:
+  contents: write
+  actions: write
+  pull-requests: write
+  security-events: write
 
 jobs:
-  # This job is responsible for preparation of the build
-  # environment variables.
-  prepare:
-    name: Preparing build context
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout repo
-        uses: actions/checkout@v4
-
-      - name: Install Go
-        uses: actions/setup-go@v5
-        id: cache
-        with:
-          go-version: ${{env.GO_VERSION}}
-          cache-dependency-path: "**/*.sum"
-
-      - name: Go get dependencies
-        if: steps.cache.outputs.cache-hit != 'true'
-        run: |
-          go get ./...
-
-  # This job is responsible for running tests and linting the codebase
-  test:
-    name: "Unit testing"
-    runs-on: ubuntu-latest
-    container: golang:1
-    needs: [prepare]
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0 # Ensure full history is checked out
-          token: ${{ secrets.GHCR_TOKEN }}
-
-      - name: Install Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: ${{env.GO_VERSION}}
-          cache-dependency-path: "**/*.sum"
-
-      - name: Install dependencies
-        run: |
-          apt-get update
-          apt-get install ca-certificates make -y
-          update-ca-certificates
-          go mod tidy
-          go get -u -v ./...
-          go mod tidy -v
-
-      - name: Run unit tests
-        run: |
-          CI_RUN=${CI} make test
-          git config --global --add safe.directory /__w/kportal/kportal
-
-      - name: Commit changes
-        uses: stefanzweifel/git-auto-commit-action@v5
-        with:
-          commit_message: "Update go.mod and go.sum"
-          commit_options: "--no-verify --signoff"
-          file_pattern: "go.mod go.sum"
+  autoupdate:
+    uses: lukaszraczylo/shared-actions/.github/workflows/go-autoupdate.yaml@main
+    with:
+      go-version: ">=1.24"
+      release-workflow: "release.yml"
+    secrets: inherit

.github/workflows/pr.yaml

@@ -0,0 +1,22 @@
+name: Pull Request
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - "**"
+      - "!main"
+
+permissions:
+  contents: write
+  actions: write
+  pull-requests: write
+  security-events: write
+
+jobs:
+  pr-checks:
+    uses: lukaszraczylo/shared-actions/.github/workflows/go-pr.yaml@main
+    with:
+      go-version: ">=1.24"

.github/workflows/release.yml

@@ -5,90 +5,19 @@ on:
     branches:
       - main
     paths:
-      - '**.go'
-      - 'go.mod'
-      - 'go.sum'
+      - "**.go"
+      - "go.mod"
+      - "go.sum"
   workflow_dispatch:
 
 permissions:
   contents: write
+  packages: write
+  id-token: write
 
 jobs:
-  test:
-    name: Test
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Set up Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: '1.23'
-
-      - name: Run tests with race detector
-        run: go test -race -v ./...
-
-  version:
-    name: Calculate Version
-    needs: test
-    runs-on: ubuntu-latest
-    outputs:
-      version: ${{ steps.version_formatted.outputs.version }}
-      version_tag: ${{ steps.version_formatted.outputs.version_tag }}
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Calculate semantic version
-        id: semver
-        uses: lukaszraczylo/semver-generator@v1
-        with:
-          config_file: semver.yaml
-          repository_local: true
-
-      - name: Format version
-        id: version_formatted
-        run: |
-          VERSION="${{ steps.semver.outputs.semantic_version }}"
-          echo "version=${VERSION}" >> $GITHUB_OUTPUT
-          echo "version_tag=v${VERSION}" >> $GITHUB_OUTPUT
-
-      - name: Display version
-        run: |
-          echo "Calculated version: ${{ steps.version_formatted.outputs.version }}"
-          echo "Version tag: ${{ steps.version_formatted.outputs.version_tag }}"
-
   release:
-    name: Release with GoReleaser
-    needs: version
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Set up Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: '1.23'
-
-      - name: Create and push tag
-        run: |
-          git config user.name "github-actions[bot]"
-          git config user.email "github-actions[bot]@users.noreply.github.com"
-          git tag -a ${{ needs.version.outputs.version_tag }} -m "Release ${{ needs.version.outputs.version_tag }}"
-          git push origin ${{ needs.version.outputs.version_tag }}
-
-      - name: Run GoReleaser
-        uses: goreleaser/goreleaser-action@v6
-        with:
-          distribution: goreleaser
-          version: '~> v2'
-          args: release --clean
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          HOMEBREW_TAP_TOKEN: ${{ secrets.HOMEBREW_TAP_TOKEN }}
+    uses: lukaszraczylo/shared-actions/.github/workflows/go-release.yaml@main
+    with:
+      go-version: ">=1.24"
+    secrets: inherit

.github/workflows/static.yml

@@ -6,7 +6,7 @@ on:
   push:
     branches: ["main"]
     paths:
-      - 'docs/**'
+      - "docs/**"
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
@@ -39,7 +39,7 @@ jobs:
         uses: actions/upload-pages-artifact@v3
         with:
           # Upload entire repository
-          path: 'docs/'
+          path: "docs/"
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/deploy-pages@v4

.goreleaser.yaml

@@ -23,11 +23,11 @@ builds:
 
 archives:
   - id: kportal
-    format: tar.gz
+    formats: [tar.gz]
     name_template: "kportal-{{ .Version }}-{{ .Os }}-{{ .Arch }}"
     format_overrides:
       - goos: windows
-        format: zip
+        formats: [zip]
     files:
       - LICENSE
       - README.md
@@ -53,17 +53,32 @@ release:
   draft: false
   prerelease: auto
 
-brews:
+homebrew_casks:
   - repository:
       owner: lukaszraczylo
-      name: brew-taps
+      name: homebrew-taps
       token: "{{ .Env.HOMEBREW_TAP_TOKEN }}"
-    directory: Formula
+    directory: Casks
     homepage: https://lukaszraczylo.github.io/kportal
     description: "Modern Kubernetes port-forward manager with interactive TUI"
     license: MIT
-    test: |
-      system "#{bin}/kportal", "--version"
-    dependencies:
-      - name: kubernetes-cli
-        type: optional
+    url:
+      verified: github.com/lukaszraczylo/kportal
+    hooks:
+      post:
+        install: |
+          if OS.mac?
+            system_command "/usr/bin/xattr",
+                           args: ["-dr", "com.apple.quarantine", "#{staged_path}/kportal"]
+          end
+
+signs:
+  - cmd: cosign
+    signature: "${artifact}.sigstore.json"
+    args:
+      - sign-blob
+      - "--bundle=${signature}"
+      - "${artifact}"
+      - "--yes"
+    artifacts: checksum
+    output: true

README.md

@@ -54,12 +54,17 @@ kportal manages multiple Kubernetes port-forwards with an interactive terminal i
 
 ## 📦 Installation
 
-### Homebrew (macOS/Linux)
+### Homebrew (macOS)
 
 ```bash
-brew install lukaszraczylo/brew-taps/kportal
+brew install --cask lukaszraczylo/taps/kportal
 ```
 
+> **Note**: If you previously installed via `brew install lukaszraczylo/taps/kportal` (formula), uninstall first:
+> ```bash
+> brew uninstall kportal
+> ```
+
 ### Quick Install
 
 ```bash
@@ -78,6 +83,19 @@ cd kportal
 make build && make install
 ```
 
+### Verifying Release Signatures
+
+All release checksums are signed with [cosign](https://github.com/sigstore/cosign) using keyless signing. To verify:
+
+```bash
+# Download the checksum file and its sigstore bundle from the release
+cosign verify-blob \
+  --certificate-identity-regexp "https://github.com/lukaszraczylo/kportal/.*" \
+  --certificate-oidc-issuer "https://token.actions.githubusercontent.com" \
+  --bundle "kportal-<version>-checksums.txt.sigstore.json" \
+  kportal-<version>-checksums.txt
+```
+
 ## 🚀 Quick Start
 
 Create `.kportal.yaml`:

cmd/kportal/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"bufio"
 	"context"
 	"flag"
 	"fmt"
@@ -49,6 +50,23 @@ var (
 	appVersion    = "0.1.0" // Set via ldflags during build
 )
 
+// promptCreateConfig asks the user if they want to create a new config file.
+// Returns true if the user answers yes, false otherwise.
+func promptCreateConfig(path string) bool {
+	fmt.Printf("Configuration file not found: %s\n", path)
+	fmt.Print("Would you like to create an empty configuration? [Y/n] ")
+
+	reader := bufio.NewReader(os.Stdin)
+	response, err := reader.ReadString('\n')
+	if err != nil {
+		return false
+	}
+
+	response = strings.TrimSpace(strings.ToLower(response))
+	// Empty response (just Enter) defaults to yes
+	return response == "" || response == "y" || response == "yes"
+}
+
 func main() {
 	flag.Parse()
 
@@ -173,14 +191,38 @@ func main() {
 
 	// Load configuration
 	cfg, err := config.LoadConfig(*configFile)
+	configIsNew := false
 	if err != nil {
-		fmt.Fprintf(os.Stderr, "Error loading config: %v\n", err)
-		os.Exit(1)
+		if err == config.ErrConfigNotFound {
+			// Config file doesn't exist - offer to create it
+			if !promptCreateConfig(*configFile) {
+				os.Exit(0)
+			}
+			// Create empty config file
+			if err := config.CreateEmptyConfigFile(*configFile); err != nil {
+				fmt.Fprintf(os.Stderr, "Error creating config file: %v\n", err)
+				os.Exit(1)
+			}
+			fmt.Printf("Created %s\n", *configFile)
+			fmt.Println("Use 'n' in the UI to add port forwards, or edit the file manually.")
+			fmt.Println()
+
+			// Load the newly created config
+			cfg, err = config.LoadConfig(*configFile)
+			if err != nil {
+				fmt.Fprintf(os.Stderr, "Error loading config: %v\n", err)
+				os.Exit(1)
+			}
+			configIsNew = true
+		} else {
+			fmt.Fprintf(os.Stderr, "Error loading config: %v\n", err)
+			os.Exit(1)
+		}
 	}
 
-	// Validate configuration
+	// Validate configuration (allow empty configs for newly created files)
 	validator := config.NewValidator()
-	if errs := validator.ValidateConfig(cfg); len(errs) > 0 {
+	if errs := validator.ValidateConfigWithOptions(cfg, configIsNew || cfg.IsEmpty()); len(errs) > 0 {
 		fmt.Fprint(os.Stderr, config.FormatValidationErrors(errs))
 		os.Exit(1)
 	}
@@ -253,9 +295,9 @@ func main() {
 		// Interactive mode with bubbletea
 		bubbleTeaUI = ui.NewBubbleTeaUI(func(id string, enable bool) {
 			if enable {
-				manager.EnableForward(id)
+				_ = manager.EnableForward(id)
 			} else {
-				manager.DisableForward(id)
+				_ = manager.DisableForward(id)
 			}
 		}, appVersion)
 
@@ -267,16 +309,26 @@ func main() {
 		bubbleTeaUI.SetHTTPLogSubscriber(func(forwardID string, callback func(entry ui.HTTPLogEntry)) func() {
 			worker := manager.GetWorker(forwardID)
 			if worker == nil {
+				logger.Debug("HTTP log subscription failed: worker not found", map[string]interface{}{
+					"forward_id": forwardID,
+				})
 				return func() {} // No-op cleanup
 			}
 
 			proxy := worker.GetHTTPProxy()
 			if proxy == nil {
+				// This is expected for forwards without httpLog enabled - not an error
+				logger.Debug("HTTP log subscription skipped: proxy not enabled", map[string]interface{}{
+					"forward_id": forwardID,
+				})
 				return func() {} // HTTP logging not enabled for this forward
 			}
 
 			proxyLogger := proxy.GetLogger()
 			if proxyLogger == nil {
+				logger.Debug("HTTP log subscription failed: logger not available", map[string]interface{}{
+					"forward_id": forwardID,
+				})
 				return func() {}
 			}
 

docs/CNAME

@@ -0,0 +1 @@
+kportal.raczylo.com

docs/index.html

@@ -556,11 +556,11 @@
                             <i class="fas fa-beer text-orange-500 dark:text-orange-400 text-2xl mr-3"></i>
                             <div>
                                 <h3 class="text-xl font-semibold text-gray-900 dark:text-gray-100">Homebrew</h3>
-                                <p class="text-gray-600 dark:text-gray-400 text-sm">macOS & Linux</p>
+                                <p class="text-gray-600 dark:text-gray-400 text-sm">macOS</p>
                             </div>
                         </div>
-                        <div onclick="copyToClipboard('brew install lukaszraczylo/brew-taps/kportal', this)" class="relative bg-gradient-to-br from-gray-900 to-gray-800 dark:from-gray-950 dark:to-black text-gray-100 p-4 rounded-lg text-sm cursor-pointer group overflow-x-auto border border-gray-700 hover:border-orange-500 transition-all duration-300">
-                            <code class="block whitespace-nowrap font-mono">brew install lukaszraczylo/brew-taps/kportal</code>
+                        <div onclick="copyToClipboard('brew install --cask lukaszraczylo/taps/kportal', this)" class="relative bg-gradient-to-br from-gray-900 to-gray-800 dark:from-gray-950 dark:to-black text-gray-100 p-4 rounded-lg text-sm cursor-pointer group overflow-x-auto border border-gray-700 hover:border-orange-500 transition-all duration-300">
+                            <code class="block whitespace-nowrap font-mono">brew install --cask lukaszraczylo/taps/kportal</code>
                             <div class="absolute top-3 right-3"><i class="fas fa-copy text-gray-500 group-hover:text-orange-400 transition-colors duration-300"></i></div>
                         </div>
                     </div>

go.mod

@@ -1,6 +1,6 @@
 module github.com/nvm/kportal
 
-go 1.24.2
+go 1.25.0
 
 require (
 	github.com/charmbracelet/bubbletea v1.3.10
@@ -10,28 +10,28 @@ require (
 	github.com/grandcat/zeroconf v1.0.0
 	github.com/stretchr/testify v1.11.1
 	gopkg.in/yaml.v3 v3.0.1
-	k8s.io/api v0.34.2
-	k8s.io/apimachinery v0.34.2
-	k8s.io/client-go v0.34.2
+	k8s.io/api v0.35.0
+	k8s.io/apimachinery v0.35.0
+	k8s.io/client-go v0.35.0
 	k8s.io/klog/v2 v2.130.1
 )
 
 require (
 	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
 	github.com/cenkalti/backoff v2.2.1+incompatible // indirect
-	github.com/charmbracelet/colorprofile v0.3.3 // indirect
-	github.com/charmbracelet/x/ansi v0.11.1 // indirect
+	github.com/charmbracelet/colorprofile v0.4.1 // indirect
+	github.com/charmbracelet/x/ansi v0.11.3 // indirect
 	github.com/charmbracelet/x/cellbuf v0.0.14 // indirect
 	github.com/charmbracelet/x/term v0.2.2 // indirect
-	github.com/clipperhouse/displaywidth v0.6.0 // indirect
+	github.com/clipperhouse/displaywidth v0.6.2 // indirect
 	github.com/clipperhouse/stringish v0.1.1 // indirect
 	github.com/clipperhouse/uax29/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/emicklei/go-restful/v3 v3.13.0 // indirect
 	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
 	github.com/fxamacker/cbor/v2 v2.9.0 // indirect
-	github.com/go-openapi/jsonpointer v0.22.3 // indirect
-	github.com/go-openapi/jsonreference v0.21.3 // indirect
+	github.com/go-openapi/jsonpointer v0.22.4 // indirect
+	github.com/go-openapi/jsonreference v0.21.4 // indirect
 	github.com/go-openapi/swag v0.25.4 // indirect
 	github.com/go-openapi/swag/cmdutils v0.25.4 // indirect
 	github.com/go-openapi/swag/conv v0.25.4 // indirect
@@ -44,7 +44,6 @@ require (
 	github.com/go-openapi/swag/stringutils v0.25.4 // indirect
 	github.com/go-openapi/swag/typeutils v0.25.4 // indirect
 	github.com/go-openapi/swag/yamlutils v0.25.4 // indirect
-	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/google/gnostic-models v0.7.1 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/gorilla/websocket v1.5.4-0.20250319132907-e064f32e3674 // indirect
@@ -54,7 +53,7 @@ require (
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-localereader v0.0.1 // indirect
 	github.com/mattn/go-runewidth v0.0.19 // indirect
-	github.com/miekg/dns v1.1.68 // indirect
+	github.com/miekg/dns v1.1.69 // indirect
 	github.com/moby/spdystream v0.5.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.3-0.20250322232337-35a7c28c31ee // indirect
@@ -70,20 +69,20 @@ require (
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/mod v0.30.0 // indirect
-	golang.org/x/net v0.47.0 // indirect
-	golang.org/x/oauth2 v0.33.0 // indirect
-	golang.org/x/sync v0.18.0 // indirect
-	golang.org/x/sys v0.38.0 // indirect
-	golang.org/x/term v0.37.0 // indirect
-	golang.org/x/text v0.31.0 // indirect
+	golang.org/x/mod v0.31.0 // indirect
+	golang.org/x/net v0.48.0 // indirect
+	golang.org/x/oauth2 v0.34.0 // indirect
+	golang.org/x/sync v0.19.0 // indirect
+	golang.org/x/sys v0.39.0 // indirect
+	golang.org/x/term v0.38.0 // indirect
+	golang.org/x/text v0.32.0 // indirect
 	golang.org/x/time v0.14.0 // indirect
-	golang.org/x/tools v0.39.0 // indirect
-	google.golang.org/protobuf v1.36.10 // indirect
+	golang.org/x/tools v0.40.0 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
 	gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	k8s.io/kube-openapi v0.0.0-20251125145642-4e65d59e963e // indirect
-	k8s.io/utils v0.0.0-20251002143259-bc988d571ff4 // indirect
+	k8s.io/utils v0.0.0-20251222233032-718f0e51e6d2 // indirect
 	sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 // indirect
 	sigs.k8s.io/randfill v1.0.0 // indirect
 	sigs.k8s.io/structured-merge-diff/v6 v6.3.1 // indirect

go.sum

@@ -1,3 +1,5 @@
+github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1Xbatp0=
+github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio=
 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
 github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
@@ -8,20 +10,20 @@ github.com/cenkalti/backoff v2.2.1+incompatible h1:tNowT99t7UNflLxfYYSlKYsBpXdEe
 github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
 github.com/charmbracelet/bubbletea v1.3.10 h1:otUDHWMMzQSB0Pkc87rm691KZ3SWa4KUlvF9nRvCICw=
 github.com/charmbracelet/bubbletea v1.3.10/go.mod h1:ORQfo0fk8U+po9VaNvnV95UPWA1BitP1E0N6xJPlHr4=
-github.com/charmbracelet/colorprofile v0.3.3 h1:DjJzJtLP6/NZ8p7Cgjno0CKGr7wwRJGxWUwh2IyhfAI=
-github.com/charmbracelet/colorprofile v0.3.3/go.mod h1:nB1FugsAbzq284eJcjfah2nhdSLppN2NqvfotkfRYP4=
+github.com/charmbracelet/colorprofile v0.4.1 h1:a1lO03qTrSIRaK8c3JRxJDZOvhvIeSco3ej+ngLk1kk=
+github.com/charmbracelet/colorprofile v0.4.1/go.mod h1:U1d9Dljmdf9DLegaJ0nGZNJvoXAhayhmidOdcBwAvKk=
 github.com/charmbracelet/lipgloss v1.1.0 h1:vYXsiLHVkK7fp74RkV7b2kq9+zDLoEU4MZoFqR/noCY=
 github.com/charmbracelet/lipgloss v1.1.0/go.mod h1:/6Q8FR2o+kj8rz4Dq0zQc3vYf7X+B0binUUBwA0aL30=
-github.com/charmbracelet/x/ansi v0.11.1 h1:iXAC8SyMQDJgtcz9Jnw+HU8WMEctHzoTAETIeA3JXMk=
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@@ -40,10 +42,10 @@ github.com/fxamacker/cbor/v2 v2.9.0 h1:NpKPmjDBgUfBms6tr6JZkTHtfFGcMKsw3eGcmD/sa
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@@ -76,15 +78,13 @@ github.com/go-openapi/testify/v2 v2.0.2 h1:X999g3jeLcoY8qctY/c/Z8iBHTbwLz7R2WXd6
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@@ -93,8 +93,6 @@ github.com/grandcat/zeroconf v1.0.0 h1:uHhahLBKqwWBV6WZUDAT71044vwOTL+McW0mBJvo6
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@@ -108,8 +106,8 @@ github.com/mattn/go-localereader v0.0.1/go.mod h1:8fBrzywKY7BI3czFoHkuzRoWE9C+Ei
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@@ -128,18 +126,18 @@ github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq
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@@ -152,66 +150,48 @@ github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
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-golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.18.0 h1:kr88TuHDroi+UVf+0hZnirlk8o8T+4MrK6mr60WkH/I=
-golang.org/x/sync v0.18.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
+golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
-golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
-golang.org/x/term v0.37.0 h1:8EGAD0qCmHYZg6J17DvsMy9/wJ7/D/4pV/wfnld5lTU=
-golang.org/x/term v0.37.0/go.mod h1:5pB4lxRNYYVZuTLmy8oR2BH8dflOR+IbTYFD8fi3254=
+golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
+golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/term v0.38.0 h1:PQ5pkm/rLO6HnxFR7N2lJHOZX6Kez5Y1gDSJla6jo7Q=
+golang.org/x/term v0.38.0/go.mod h1:bSEAKrOT1W+VSu9TSCMtoGEOUcKxOKgl3LE5QEF/xVg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.31.0 h1:aC8ghyu4JhP8VojJ2lEHBnochRno1sgL6nEi9WGFGMM=
-golang.org/x/text v0.31.0/go.mod h1:tKRAlv61yKIjGGHX/4tP1LTbc13YSec1pxVEWXzfoeM=
+golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
+golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY=
 golang.org/x/time v0.14.0 h1:MRx4UaLrDotUKUdCIqzPC48t1Y9hANFKIRpNx+Te8PI=
 golang.org/x/time v0.14.0/go.mod h1:eL/Oa2bBBK0TkX57Fyni+NgnyQQN4LitPmob2Hjnqw4=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
-golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
-golang.org/x/tools v0.39.0 h1:ik4ho21kwuQln40uelmciQPp9SipgNDdrafrYA4TmQQ=
-golang.org/x/tools v0.39.0/go.mod h1:JnefbkDPyD8UU2kI5fuf8ZX4/yUeh9W877ZeBONxUqQ=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/tools v0.40.0 h1:yLkxfA+Qnul4cs9QA3KnlFu0lVmd8JJfoq+E41uSutA=
+golang.org/x/tools v0.40.0/go.mod h1:Ik/tzLRlbscWpqqMRjyWYDisX8bG13FrdXp3o4Sr9lc=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
-google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
@@ -221,18 +201,18 @@ gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-k8s.io/api v0.34.2 h1:fsSUNZhV+bnL6Aqrp6O7lMTy6o5x2C4XLjnh//8SLYY=
-k8s.io/api v0.34.2/go.mod h1:MMBPaWlED2a8w4RSeanD76f7opUoypY8TFYkSM+3XHw=
-k8s.io/apimachinery v0.34.2 h1:zQ12Uk3eMHPxrsbUJgNF8bTauTVR2WgqJsTmwTE/NW4=
-k8s.io/apimachinery v0.34.2/go.mod h1:/GwIlEcWuTX9zKIg2mbw0LRFIsXwrfoVxn+ef0X13lw=
-k8s.io/client-go v0.34.2 h1:Co6XiknN+uUZqiddlfAjT68184/37PS4QAzYvQvDR8M=
-k8s.io/client-go v0.34.2/go.mod h1:2VYDl1XXJsdcAxw7BenFslRQX28Dxz91U9MWKjX97fE=
+k8s.io/api v0.35.0 h1:iBAU5LTyBI9vw3L5glmat1njFK34srdLmktWwLTprlY=
+k8s.io/api v0.35.0/go.mod h1:AQ0SNTzm4ZAczM03QH42c7l3bih1TbAXYo0DkF8ktnA=
+k8s.io/apimachinery v0.35.0 h1:Z2L3IHvPVv/MJ7xRxHEtk6GoJElaAqDCCU0S6ncYok8=
+k8s.io/apimachinery v0.35.0/go.mod h1:jQCgFZFR1F4Ik7hvr2g84RTJSZegBc8yHgFWKn//hns=
+k8s.io/client-go v0.35.0 h1:IAW0ifFbfQQwQmga0UdoH0yvdqrbwMdq9vIFEhRpxBE=
+k8s.io/client-go v0.35.0/go.mod h1:q2E5AAyqcbeLGPdoRB+Nxe3KYTfPce1Dnu1myQdqz9o=
 k8s.io/klog/v2 v2.130.1 h1:n9Xl7H1Xvksem4KFG4PYbdQCQxqc/tTUyrgXaOhHSzk=
 k8s.io/klog/v2 v2.130.1/go.mod h1:3Jpz1GvMt720eyJH1ckRHK1EDfpxISzJ7I9OYgaDtPE=
 k8s.io/kube-openapi v0.0.0-20251125145642-4e65d59e963e h1:iW9ChlU0cU16w8MpVYjXk12dqQ4BPFBEgif+ap7/hqQ=
 k8s.io/kube-openapi v0.0.0-20251125145642-4e65d59e963e/go.mod h1:kdmbQkyfwUagLfXIad1y2TdrjPFWp2Q89B3qkRwf/pQ=
-k8s.io/utils v0.0.0-20251002143259-bc988d571ff4 h1:SjGebBtkBqHFOli+05xYbK8YF1Dzkbzn+gDM4X9T4Ck=
-k8s.io/utils v0.0.0-20251002143259-bc988d571ff4/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
+k8s.io/utils v0.0.0-20251222233032-718f0e51e6d2 h1:OfgiEo21hGiwx1oJUU5MpEaeOEg6coWndBkZF/lkFuE=
+k8s.io/utils v0.0.0-20251222233032-718f0e51e6d2/go.mod h1:xDxuJ0whA3d0I4mf/C4ppKHxXynQ+fxnkmQH0vTHnuk=
 sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 h1:IpInykpT6ceI+QxKBbEflcR5EXP7sU1kvOlxwZh5txg=
 sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730/go.mod h1:mdzfpAEoE6DHQEN0uh9ZbOCuHbLK5wOm7dK4ctXE9Tg=
 sigs.k8s.io/randfill v1.0.0 h1:JfjMILfT8A6RbawdsK2JXGBR5AQVfd+9TbzrlneTyrU=

internal/benchmark/runner.go

@@ -27,16 +27,6 @@ type Config struct {
 	ProgressCallback ProgressCallback  // Optional callback for progress updates
 }
 
-// DefaultConfig returns a default benchmark configuration
-func DefaultConfig() Config {
-	return Config{
-		Method:      "GET",
-		Concurrency: 10,
-		Requests:    100,
-		Timeout:     30 * time.Second,
-	}
-}
-
 // Runner executes HTTP benchmarks
 type Runner struct {
 	client *http.Client
@@ -221,10 +211,3 @@ func (r *Runner) makeRequest(ctx context.Context, cfg Config) (statusCode int, b
 
 	return resp.StatusCode, int64(len(respBody)), bytesWritten, nil
 }
-
-// Progress represents the current progress of a benchmark run
-type Progress struct {
-	Completed int
-	Total     int
-	Elapsed   time.Duration
-}

internal/benchmark/runner_test.go

@@ -206,15 +206,6 @@ func TestRunnerWithBody(t *testing.T) {
 	assert.Equal(t, int64(15), results.BytesWritten)
 }
 
-func TestDefaultConfig(t *testing.T) {
-	cfg := DefaultConfig()
-
-	assert.Equal(t, "GET", cfg.Method)
-	assert.Equal(t, 10, cfg.Concurrency)
-	assert.Equal(t, 100, cfg.Requests)
-	assert.Equal(t, 30*time.Second, cfg.Timeout)
-}
-
 func TestRunnerWithProgressCallback(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		time.Sleep(10 * time.Millisecond) // Add small delay so progress ticker can fire

internal/config/config.go

@@ -2,6 +2,7 @@ package config
 
 import (
 	"bytes"
+	"errors"
 	"fmt"
 	"os"
 	"strings"
@@ -10,6 +11,9 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
+// ErrConfigNotFound is returned when the configuration file does not exist
+var ErrConfigNotFound = fmt.Errorf("config file not found")
+
 const (
 	// maxConfigSize is the maximum allowed configuration file size (10MB)
 	maxConfigSize = 10 * 1024 * 1024
@@ -282,6 +286,9 @@ func LoadConfig(path string) (*Config, error) {
 	// Validate file size before reading
 	fileInfo, err := os.Stat(path)
 	if err != nil {
+		if errors.Is(err, os.ErrNotExist) {
+			return nil, ErrConfigNotFound
+		}
 		return nil, fmt.Errorf("failed to stat config file: %w", err)
 	}
 
@@ -289,6 +296,7 @@ func LoadConfig(path string) (*Config, error) {
 		return nil, fmt.Errorf("config file too large: %d bytes (max %d)", fileInfo.Size(), maxConfigSize)
 	}
 
+	// #nosec G304 -- path is validated in main.go (no system dirs, absolute path)
 	data, err := os.ReadFile(path)
 	if err != nil {
 		return nil, fmt.Errorf("failed to read config file: %w", err)
@@ -337,3 +345,58 @@ func (c *Config) GetAllForwards() []Forward {
 
 	return forwards
 }
+
+// NewEmptyConfig returns a minimal empty configuration with no forwards.
+// This is used when creating a new config file for the first time.
+func NewEmptyConfig() *Config {
+	return &Config{
+		Contexts: []Context{},
+	}
+}
+
+// IsEmpty returns true if the configuration has no forwards defined.
+func (c *Config) IsEmpty() bool {
+	return len(c.Contexts) == 0 || len(c.GetAllForwards()) == 0
+}
+
+// CreateEmptyConfigFile creates a new empty configuration file at the given path.
+// Returns an error if the file already exists or cannot be created.
+func CreateEmptyConfigFile(path string) error {
+	// Check if file already exists
+	if _, err := os.Stat(path); err == nil {
+		return fmt.Errorf("config file already exists: %s", path)
+	} else if !errors.Is(err, os.ErrNotExist) {
+		return fmt.Errorf("failed to check config file: %w", err)
+	}
+
+	cfg := NewEmptyConfig()
+	data, err := yaml.Marshal(cfg)
+	if err != nil {
+		return fmt.Errorf("failed to marshal empty config: %w", err)
+	}
+
+	// Add a helpful comment header
+	header := `# kportal configuration file
+# Add port forwards using the 'n' key in the TUI, or manually add them below.
+#
+# Example forward:
+#   contexts:
+#     - name: my-cluster
+#       namespaces:
+#         - name: default
+#           forwards:
+#             - resource: service/my-service
+#               protocol: tcp
+#               port: 8080
+#               localPort: 8080
+#
+`
+	content := header + string(data)
+
+	// Write with restrictive permissions (0600)
+	if err := os.WriteFile(path, []byte(content), 0600); err != nil {
+		return fmt.Errorf("failed to write config file: %w", err)
+	}
+
+	return nil
+}

internal/config/config_test.go

@@ -97,7 +97,7 @@ func TestLoadConfig_FileNotFound(t *testing.T) {
 	cfg, err := LoadConfig("/non/existent/path/.kportal.yaml")
 	assert.Error(t, err, "LoadConfig should fail with non-existent file")
 	assert.Nil(t, cfg, "config should be nil on error")
-	assert.Contains(t, err.Error(), "failed to stat config file", "error should mention stat failure")
+	assert.Equal(t, ErrConfigNotFound, err, "should return ErrConfigNotFound")
 }
 
 func TestForward_ID(t *testing.T) {
@@ -397,3 +397,123 @@ func TestHTTPLogSpec_UnmarshalYAML(t *testing.T) {
 		})
 	}
 }
+
+func TestNewEmptyConfig(t *testing.T) {
+	cfg := NewEmptyConfig()
+	assert.NotNil(t, cfg, "NewEmptyConfig should return non-nil config")
+	assert.Empty(t, cfg.Contexts, "NewEmptyConfig should have empty contexts")
+	assert.True(t, cfg.IsEmpty(), "NewEmptyConfig should be considered empty")
+}
+
+func TestConfig_IsEmpty(t *testing.T) {
+	tests := []struct {
+		name     string
+		config   *Config
+		expected bool
+	}{
+		{
+			name:     "nil contexts",
+			config:   &Config{},
+			expected: true,
+		},
+		{
+			name:     "empty contexts slice",
+			config:   &Config{Contexts: []Context{}},
+			expected: true,
+		},
+		{
+			name: "context with empty namespaces",
+			config: &Config{
+				Contexts: []Context{
+					{Name: "test", Namespaces: []Namespace{}},
+				},
+			},
+			expected: true,
+		},
+		{
+			name: "context with namespace but no forwards",
+			config: &Config{
+				Contexts: []Context{
+					{
+						Name: "test",
+						Namespaces: []Namespace{
+							{Name: "default", Forwards: []Forward{}},
+						},
+					},
+				},
+			},
+			expected: true,
+		},
+		{
+			name: "config with forward",
+			config: &Config{
+				Contexts: []Context{
+					{
+						Name: "test",
+						Namespaces: []Namespace{
+							{
+								Name: "default",
+								Forwards: []Forward{
+									{Resource: "pod/app", Port: 8080, LocalPort: 8080},
+								},
+							},
+						},
+					},
+				},
+			},
+			expected: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			assert.Equal(t, tt.expected, tt.config.IsEmpty())
+		})
+	}
+}
+
+func TestCreateEmptyConfigFile(t *testing.T) {
+	tmpDir := t.TempDir()
+	configPath := filepath.Join(tmpDir, ".kportal.yaml")
+
+	// Create empty config file
+	err := CreateEmptyConfigFile(configPath)
+	assert.NoError(t, err, "CreateEmptyConfigFile should succeed")
+
+	// Verify file exists
+	_, err = os.Stat(configPath)
+	assert.NoError(t, err, "config file should exist")
+
+	// Verify file is readable and parseable
+	cfg, err := LoadConfig(configPath)
+	assert.NoError(t, err, "should be able to load created config")
+	assert.NotNil(t, cfg, "config should not be nil")
+	assert.True(t, cfg.IsEmpty(), "created config should be empty")
+
+	// Verify file permissions (0600)
+	info, _ := os.Stat(configPath)
+	assert.Equal(t, os.FileMode(0600), info.Mode().Perm(), "file should have 0600 permissions")
+
+	// Verify file contains helpful header
+	content, _ := os.ReadFile(configPath)
+	assert.Contains(t, string(content), "# kportal configuration file", "should contain header comment")
+	assert.Contains(t, string(content), "Example forward", "should contain example")
+}
+
+func TestCreateEmptyConfigFile_AlreadyExists(t *testing.T) {
+	tmpDir := t.TempDir()
+	configPath := filepath.Join(tmpDir, ".kportal.yaml")
+
+	// Create existing file
+	err := os.WriteFile(configPath, []byte("existing content"), 0644)
+	assert.NoError(t, err)
+
+	// Try to create config file - should fail
+	err = CreateEmptyConfigFile(configPath)
+	assert.Error(t, err, "CreateEmptyConfigFile should fail when file exists")
+	assert.Contains(t, err.Error(), "already exists")
+
+	// Verify original content is preserved
+	content, _ := os.ReadFile(configPath)
+	assert.Equal(t, "existing content", string(content))
+}

internal/config/mutator.go

@@ -264,8 +264,8 @@ func (m *Mutator) writeAtomic(cfg *Config) error {
 
 	// Atomic rename
 	if err := os.Rename(tmpFile, m.configPath); err != nil {
-		// Clean up temp file on failure
-		os.Remove(tmpFile)
+		// Clean up temp file on failure - error ignored as we're already handling the rename error
+		_ = os.Remove(tmpFile)
 		return fmt.Errorf("failed to rename temp file: %w", err)
 	}
 

internal/config/validator.go

@@ -22,11 +22,6 @@ type ValidationError struct {
 	Context map[string]string // Additional context information
 }
 
-// Error implements the error interface.
-func (e ValidationError) Error() string {
-	return e.Message
-}
-
 // Validator validates configuration files.
 type Validator struct{}
 
@@ -37,6 +32,13 @@ func NewValidator() *Validator {
 
 // ValidateConfig validates the entire configuration and returns all errors found.
 func (v *Validator) ValidateConfig(cfg *Config) []ValidationError {
+	return v.ValidateConfigWithOptions(cfg, false)
+}
+
+// ValidateConfigWithOptions validates configuration with configurable strictness.
+// When allowEmpty is true, empty configurations (no contexts/forwards) are allowed.
+// This is useful for newly created config files where the user will add forwards via the TUI.
+func (v *Validator) ValidateConfigWithOptions(cfg *Config, allowEmpty bool) []ValidationError {
 	var errs []ValidationError
 
 	if cfg == nil {
@@ -46,6 +48,12 @@ func (v *Validator) ValidateConfig(cfg *Config) []ValidationError {
 		}}
 	}
 
+	// If empty configs are allowed and this config is empty, skip structure validation
+	if allowEmpty && cfg.IsEmpty() {
+		// Still validate health check and reliability if present (they don't require forwards)
+		return errs
+	}
+
 	// Validate structure
 	errs = append(errs, v.validateStructure(cfg)...)
 

internal/config/validator_test.go

@@ -621,15 +621,6 @@ func TestFormatValidationErrors(t *testing.T) {
 	}
 }
 
-func TestValidationError_Error(t *testing.T) {
-	err := ValidationError{
-		Field:   "port",
-		Message: "Invalid port 0",
-	}
-
-	assert.Equal(t, "Invalid port 0", err.Error(), "Error() should return the message")
-}
-
 func TestValidator_ValidateStructure(t *testing.T) {
 	validator := NewValidator()
 
@@ -972,3 +963,141 @@ func TestIsAlphanumeric(t *testing.T) {
 		})
 	}
 }
+
+func TestValidator_ValidateConfigWithOptions(t *testing.T) {
+	validator := NewValidator()
+
+	tests := []struct {
+		name         string
+		config       *Config
+		allowEmpty   bool
+		expectErrors bool
+	}{
+		{
+			name:         "empty config - strict mode",
+			config:       &Config{Contexts: []Context{}},
+			allowEmpty:   false,
+			expectErrors: true,
+		},
+		{
+			name:         "empty config - allow empty",
+			config:       &Config{Contexts: []Context{}},
+			allowEmpty:   true,
+			expectErrors: false,
+		},
+		{
+			name:         "nil contexts - allow empty",
+			config:       &Config{},
+			allowEmpty:   true,
+			expectErrors: false,
+		},
+		{
+			name: "context with no forwards - allow empty",
+			config: &Config{
+				Contexts: []Context{
+					{
+						Name: "dev",
+						Namespaces: []Namespace{
+							{Name: "default", Forwards: []Forward{}},
+						},
+					},
+				},
+			},
+			allowEmpty:   true,
+			expectErrors: false,
+		},
+		{
+			name: "valid config - strict mode",
+			config: &Config{
+				Contexts: []Context{
+					{
+						Name: "dev-cluster",
+						Namespaces: []Namespace{
+							{
+								Name: "default",
+								Forwards: []Forward{
+									{
+										Resource:      "pod/my-app",
+										Protocol:      "tcp",
+										Port:          8080,
+										LocalPort:     8080,
+										contextName:   "dev-cluster",
+										namespaceName: "default",
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			allowEmpty:   false,
+			expectErrors: false,
+		},
+		{
+			name: "valid config - allow empty (should still validate)",
+			config: &Config{
+				Contexts: []Context{
+					{
+						Name: "dev-cluster",
+						Namespaces: []Namespace{
+							{
+								Name: "default",
+								Forwards: []Forward{
+									{
+										Resource:      "pod/my-app",
+										Protocol:      "tcp",
+										Port:          8080,
+										LocalPort:     8080,
+										contextName:   "dev-cluster",
+										namespaceName: "default",
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			allowEmpty:   true,
+			expectErrors: false,
+		},
+		{
+			name: "invalid forward in non-empty config - allow empty still validates",
+			config: &Config{
+				Contexts: []Context{
+					{
+						Name: "dev-cluster",
+						Namespaces: []Namespace{
+							{
+								Name: "default",
+								Forwards: []Forward{
+									{
+										Resource:      "pod/my-app",
+										Protocol:      "tcp",
+										Port:          0, // Invalid port
+										LocalPort:     8080,
+										contextName:   "dev-cluster",
+										namespaceName: "default",
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			allowEmpty:   true,
+			expectErrors: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			errs := validator.ValidateConfigWithOptions(tt.config, tt.allowEmpty)
+
+			if tt.expectErrors {
+				assert.NotEmpty(t, errs, "expected validation errors")
+			} else {
+				assert.Empty(t, errs, "expected no validation errors, got: %v", errs)
+			}
+		})
+	}
+}

internal/config/watcher.go

@@ -22,6 +22,7 @@ type Watcher struct {
 	done       chan struct{}
 	verbose    bool
 	wg         sync.WaitGroup // Ensures watch goroutine exits before Stop returns
+	stopOnce   sync.Once      // Ensures Stop is safe to call multiple times
 }
 
 // NewWatcher creates a new file watcher for the given config file.
@@ -33,7 +34,7 @@ func NewWatcher(configPath string, callback ReloadCallback, verbose bool) (*Watc
 
 	absPath, err := filepath.Abs(configPath)
 	if err != nil {
-		watcher.Close()
+		_ = watcher.Close()
 		return nil, fmt.Errorf("failed to resolve absolute path: %w", err)
 	}
 
@@ -41,7 +42,7 @@ func NewWatcher(configPath string, callback ReloadCallback, verbose bool) (*Watc
 	// (many editors delete and recreate files on save)
 	dir := filepath.Dir(absPath)
 	if err := watcher.Add(dir); err != nil {
-		watcher.Close()
+		_ = watcher.Close()
 		return nil, fmt.Errorf("failed to watch directory %s: %w", dir, err)
 	}
 
@@ -61,9 +62,12 @@ func (w *Watcher) Start() {
 }
 
 // Stop stops watching the configuration file and waits for the watch goroutine to exit.
+// Safe to call multiple times.
 func (w *Watcher) Stop() {
-	close(w.done)
-	w.watcher.Close()
+	w.stopOnce.Do(func() {
+		close(w.done)
+		_ = w.watcher.Close()
+	})
 	w.wg.Wait() // Wait for watch goroutine to exit
 }
 

internal/converter/kftray.go

@@ -25,6 +25,7 @@ type KFTrayConfig struct {
 // ConvertKFTrayToKPortal converts kftray JSON configuration to kportal YAML format
 func ConvertKFTrayToKPortal(inputFile, outputFile string) error {
 	// Read kftray JSON config
+	// #nosec G304 -- inputFile is from command line argument for explicit conversion
 	data, err := os.ReadFile(inputFile)
 	if err != nil {
 		return fmt.Errorf("failed to read input file: %w", err)
@@ -57,6 +58,7 @@ func ConvertKFTrayToKPortal(inputFile, outputFile string) error {
 
 // GetConversionSummary returns statistics about the kftray configuration
 func GetConversionSummary(inputFile string) (map[string]map[string]int, int, error) {
+	// #nosec G304 -- inputFile is from command line argument for explicit conversion
 	data, err := os.ReadFile(inputFile)
 	if err != nil {
 		return nil, 0, fmt.Errorf("failed to read input file: %w", err)

internal/events/bus.go

@@ -135,15 +135,6 @@ func (b *Bus) Close() {
 
 // Helper functions for creating common events
 
-// NewForwardEvent creates a forward-related event
-func NewForwardEvent(eventType EventType, forwardID string, data map[string]interface{}) Event {
-	return Event{
-		Type:      eventType,
-		ForwardID: forwardID,
-		Data:      data,
-	}
-}
-
 // NewHealthEvent creates a health status change event
 func NewHealthEvent(forwardID string, status string, errorMsg string) Event {
 	return Event{

internal/events/bus_test.go

@@ -149,16 +149,6 @@ func TestBus_ConcurrentAccess(t *testing.T) {
 	assert.Equal(t, int64(100), atomic.LoadInt64(&count))
 }
 
-func TestNewForwardEvent(t *testing.T) {
-	event := NewForwardEvent(EventForwardStarting, "test-id", map[string]interface{}{
-		"pod": "my-pod",
-	})
-
-	assert.Equal(t, EventForwardStarting, event.Type)
-	assert.Equal(t, "test-id", event.ForwardID)
-	assert.Equal(t, "my-pod", event.Data["pod"])
-}
-
 func TestNewHealthEvent(t *testing.T) {
 	event := NewHealthEvent("test-id", "Active", "")
 

internal/forward/manager.go

@@ -139,11 +139,6 @@ func (m *Manager) SetMDNSPublisher(publisher *mdns.Publisher) {
 	m.mdnsPublisher = publisher
 }
 
-// GetEventBus returns the event bus for subscribing to manager events
-func (m *Manager) GetEventBus() *events.Bus {
-	return m.eventBus
-}
-
 // Start initializes and starts all port-forwards from the configuration.
 func (m *Manager) Start(cfg *config.Config) error {
 	if cfg == nil {
@@ -169,8 +164,10 @@ func (m *Manager) Start(cfg *config.Config) error {
 	// Get all forwards from config
 	forwards := cfg.GetAllForwards()
 
+	// Empty config is valid - user can add forwards later via TUI
 	if len(forwards) == 0 {
-		return fmt.Errorf("no forwards configured")
+		log.Printf("No forwards configured - use 'n' to add forwards")
+		return nil
 	}
 
 	// Check port availability before starting
@@ -491,27 +488,6 @@ func (m *Manager) stopWorkerInternal(id string, removeFromUI bool) error {
 	return nil
 }
 
-// GetActiveForwards returns a list of all active forward IDs.
-func (m *Manager) GetActiveForwards() []string {
-	m.workersMu.RLock()
-	defer m.workersMu.RUnlock()
-
-	ids := make([]string, 0, len(m.workers))
-	for id := range m.workers {
-		ids = append(ids, id)
-	}
-
-	return ids
-}
-
-// GetWorkerCount returns the number of active workers.
-func (m *Manager) GetWorkerCount() int {
-	m.workersMu.RLock()
-	defer m.workersMu.RUnlock()
-
-	return len(m.workers)
-}
-
 // GetWorker returns a worker by ID, or nil if not found.
 func (m *Manager) GetWorker(id string) *ForwardWorker {
 	m.workersMu.RLock()

internal/forward/manager_test.go

@@ -7,7 +7,6 @@ import (
 	"github.com/nvm/kportal/internal/config"
 	"github.com/nvm/kportal/internal/events"
 	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
 )
 
 // TestNewManager tests manager creation
@@ -53,41 +52,6 @@ func TestManager_SetStatusUI(t *testing.T) {
 	assert.Equal(t, mockUI, manager.statusUI)
 }
 
-// TestManager_GetEventBus tests getting the event bus
-func TestManager_GetEventBus(t *testing.T) {
-	manager, err := NewManager(false)
-	if err != nil {
-		t.Skip("Skipping test - no kubeconfig available")
-	}
-	defer manager.Stop()
-
-	bus := manager.GetEventBus()
-	assert.NotNil(t, bus)
-}
-
-// TestManager_GetWorkerCount tests worker count tracking
-func TestManager_GetWorkerCount(t *testing.T) {
-	manager, err := NewManager(false)
-	if err != nil {
-		t.Skip("Skipping test - no kubeconfig available")
-	}
-	defer manager.Stop()
-
-	assert.Equal(t, 0, manager.GetWorkerCount())
-}
-
-// TestManager_GetActiveForwards tests getting active forwards
-func TestManager_GetActiveForwards(t *testing.T) {
-	manager, err := NewManager(false)
-	if err != nil {
-		t.Skip("Skipping test - no kubeconfig available")
-	}
-	defer manager.Stop()
-
-	forwards := manager.GetActiveForwards()
-	assert.Empty(t, forwards)
-}
-
 // TestManager_GetWorker tests getting a worker by ID
 func TestManager_GetWorker(t *testing.T) {
 	manager, err := NewManager(false)
@@ -124,8 +88,8 @@ func TestManager_Start_EmptyForwards(t *testing.T) {
 
 	cfg := &config.Config{}
 	err = manager.Start(cfg)
-	assert.Error(t, err)
-	assert.Contains(t, err.Error(), "no forwards configured")
+	// Empty config is now valid - allows users to add forwards via TUI
+	assert.NoError(t, err)
 }
 
 // TestManager_Reload_NilConfig tests reloading with nil config
@@ -362,12 +326,8 @@ func TestManager_EventBusIntegration(t *testing.T) {
 	// Event bus should be wired to health checker and watchdog
 	assert.NotNil(t, manager.eventBus)
 
-	// Get event bus
-	bus := manager.GetEventBus()
-	require.NotNil(t, bus)
-
 	// SubscribeAll should work (no return value in this API)
-	bus.SubscribeAll(func(event events.Event) {
+	manager.eventBus.SubscribeAll(func(event events.Event) {
 		// Handler
 	})
 }

internal/forward/portcheck.go

@@ -77,6 +77,7 @@ func getProcessNameByPID(pid string) string {
 
 // getProcessNameByPIDWindows retrieves the process name for a given PID on Windows
 func getProcessNameByPIDWindows(pid string) string {
+	// #nosec G204 -- pid is validated by isValidPID() to contain only digits
 	cmd := exec.Command("tasklist", "/FI", fmt.Sprintf("PID eq %s", pid), "/FO", "CSV", "/NH")
 	output, err := cmd.Output()
 	if err != nil {
@@ -145,7 +146,7 @@ func (pc *PortChecker) isPortAvailable(port int) bool {
 	if err != nil {
 		return false
 	}
-	listener.Close()
+	_ = listener.Close()
 	return true
 }
 
@@ -166,6 +167,7 @@ func (pc *PortChecker) getProcessUsingPort(port int) string {
 func (pc *PortChecker) getProcessUsingPortUnix(port int) string {
 	// Use lsof to find the process
 	// lsof -i :PORT -sTCP:LISTEN -t returns PIDs
+	// #nosec G204 -- port is an integer from config validation, not user input
 	cmd := exec.Command("lsof", "-i", fmt.Sprintf(":%d", port), "-sTCP:LISTEN", "-t")
 	output, err := cmd.Output()
 	if err != nil {

internal/forward/worker.go

@@ -336,6 +336,11 @@ func (w *ForwardWorker) establishForward(podName string) error {
 	// Start port forwarding in a goroutine
 	errChan := make(chan error, 1)
 	go func() {
+		defer func() {
+			if r := recover(); r != nil {
+				errChan <- fmt.Errorf("port forward panicked: %v", r)
+			}
+		}()
 		errChan <- w.portForwarder.Forward(forwardCtx, req)
 	}()
 
@@ -409,6 +414,14 @@ func (w *ForwardWorker) startHTTPProxy() error {
 	// Calculate internal port for k8s tunnel
 	targetPort := w.forward.LocalPort + httpLogPortOffset
 
+	// Validate that the target port is available before attempting to bind
+	portChecker := NewPortChecker()
+	if !portChecker.isPortAvailable(targetPort) {
+		usedBy := portChecker.getProcessUsingPort(targetPort)
+		return fmt.Errorf("HTTP proxy target port %d is already in use by %s (forward port %d + offset %d)",
+			targetPort, usedBy, w.forward.LocalPort, httpLogPortOffset)
+	}
+
 	proxy, err := httplog.NewProxy(&w.forward, targetPort)
 	if err != nil {
 		return fmt.Errorf("failed to create HTTP proxy: %w", err)

internal/healthcheck/checker.go

@@ -365,7 +365,8 @@ func (c *Checker) checkPort(forwardID string) {
 		}
 	}
 
-	// Update health status
+	// Update health status and capture eventBus while holding lock
+	var bus *events.Bus
 	c.mu.Lock()
 	if health, exists := c.ports[forwardID]; exists {
 		health.Status = newStatus
@@ -378,17 +379,15 @@ func (c *Checker) checkPort(forwardID string) {
 			health.LastActivity = now
 		}
 	}
+	// Capture eventBus while we have the lock to avoid race condition
+	bus = c.eventBus
 	c.mu.Unlock()
 
 	// Notify if status changed
 	if oldStatus != newStatus {
 		c.notifyStatusChange(forwardID, newStatus, errorMsg)
 
-		// Publish to event bus if available
-		c.mu.RLock()
-		bus := c.eventBus
-		c.mu.RUnlock()
-
+		// Publish to event bus if available (captured while holding lock above)
 		if bus != nil {
 			if newStatus == StatusStale {
 				bus.Publish(events.NewStaleEvent(forwardID, errorMsg))
@@ -409,7 +408,7 @@ func (c *Checker) checkTCPDial(port int) error {
 	if err != nil {
 		return err
 	}
-	conn.Close()
+	_ = conn.Close()
 	return nil
 }
 
@@ -427,7 +426,7 @@ func (c *Checker) checkDataTransfer(port int) error {
 
 	// Set a short read deadline to detect hung connections
 	// We don't expect to receive data, but we want to verify the connection isn't hung
-	conn.SetReadDeadline(time.Now().Add(c.timeout))
+	_ = conn.SetReadDeadline(time.Now().Add(c.timeout))
 
 	// Try to read a small amount of data
 	// Most servers will either:

internal/httplog/logger.go

@@ -51,6 +51,7 @@ func NewLogger(forwardID, logFile string, maxBodyLen int) (*Logger, error) {
 		// Log entries are delivered via callbacks to the UI
 		l.output = io.Discard
 	} else {
+		// #nosec G304 -- logFile is from config validation, not arbitrary user input
 		f, err := os.OpenFile(logFile, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
 		if err != nil {
 			return nil, err

internal/httplog/proxy.go

@@ -85,12 +85,13 @@ func (p *Proxy) Start() error {
 		ErrorHandler: func(w http.ResponseWriter, r *http.Request, err error) {
 			p.logError(r, err)
 			w.WriteHeader(http.StatusBadGateway)
-			w.Write([]byte("Proxy error: " + err.Error()))
+			_, _ = w.Write([]byte("Proxy error: " + err.Error()))
 		},
 	}
 
 	p.server = &http.Server{
-		Handler: proxy,
+		Handler:           proxy,
+		ReadHeaderTimeout: 10 * time.Second,
 	}
 
 	p.running = true
@@ -122,8 +123,8 @@ func (p *Proxy) Stop() error {
 	defer cancel()
 
 	if err := p.server.Shutdown(ctx); err != nil {
-		// Force close
-		p.server.Close()
+		// Force close - error ignored as we're already shutting down
+		_ = p.server.Close()
 	}
 
 	if err := p.logger.Close(); err != nil {
@@ -173,7 +174,7 @@ func (t *loggingTransport) RoundTrip(req *http.Request) (*http.Response, error)
 		reqEntry.Headers = flattenHeaders(req.Header)
 	}
 
-	t.proxy.logger.Log(reqEntry)
+	_ = t.proxy.logger.Log(reqEntry)
 
 	// Make the request
 	resp, err := t.transport.RoundTrip(req)
@@ -207,7 +208,7 @@ func (t *loggingTransport) RoundTrip(req *http.Request) (*http.Response, error)
 		respEntry.Headers = flattenHeaders(resp.Header)
 	}
 
-	t.proxy.logger.Log(respEntry)
+	_ = t.proxy.logger.Log(respEntry)
 
 	return resp, nil
 }
@@ -269,7 +270,7 @@ func (p *Proxy) logError(req *http.Request, err error) {
 		Path:      req.URL.Path,
 		Error:     err.Error(),
 	}
-	p.logger.Log(entry)
+	_ = p.logger.Log(entry)
 }
 
 // flattenHeaders converts http.Header to map[string]string

internal/k8s/discovery.go

@@ -356,6 +356,6 @@ func CheckPortAvailability(port int) (bool, string, error) {
 	}
 
 	// Port is available, close the listener
-	listener.Close()
+	_ = listener.Close()
 	return true, "", nil
 }

internal/k8s/discovery_test.go

@@ -228,7 +228,7 @@ func TestResolveTargetPort(t *testing.T) {
 			for i := range tt.pods {
 				objects = append(objects, &tt.pods[i])
 			}
-			fakeClient := fake.NewSimpleClientset(objects...)
+			fakeClient := fake.NewClientset(objects...)
 
 			// Create discovery instance (we only need it to call resolveTargetPort)
 			d := &Discovery{}

internal/mdns/publisher.go

@@ -89,6 +89,11 @@ func (p *Publisher) Register(forwardID, alias string, localPort int) error {
 	p.servers[forwardID] = server
 	p.aliases[forwardID] = alias
 
+	// Allow zeroconf's internal goroutines (recv4, recv6) to fully initialize.
+	// This prevents a race condition where shutdown() could set connections to nil
+	// while recv goroutines are still starting up.
+	time.Sleep(startupSettleTime)
+
 	logger.Info("mDNS hostname registered", map[string]interface{}{
 		"forward_id": forwardID,
 		"hostname":   GetHostname(alias),
@@ -151,6 +156,13 @@ func (p *Publisher) Stop() {
 	logger.Info("mDNS publisher stopped", nil)
 }
 
+// startupSettleTime is a small delay after zeroconf registration to allow internal
+// goroutines (recv4, recv6) to fully initialize before any shutdown can occur.
+// This works around a race condition in grandcat/zeroconf where shutdown() sets
+// connections to nil while recv goroutines may still be initializing.
+// See: https://github.com/grandcat/zeroconf/issues/95
+const startupSettleTime = 50 * time.Millisecond
+
 // shutdownSettleTime is a small delay after zeroconf shutdown to allow internal
 // goroutines to exit cleanly. This works around a race condition in the
 // grandcat/zeroconf library where recv4() can access ipv4conn after shutdown()
@@ -183,29 +195,12 @@ func shutdownWithTimeout(server *zeroconf.Server, forwardID string) {
 	}
 }
 
-// IsEnabled returns whether mDNS publishing is enabled.
-func (p *Publisher) IsEnabled() bool {
-	return p.enabled
-}
-
-// GetDomain returns the mDNS domain being used (always "local" per RFC 6762).
-func (p *Publisher) GetDomain() string {
-	return mdnsDomain
-}
-
 // GetHostname returns the full mDNS hostname for an alias.
 // Example: GetHostname("myapp") returns "myapp.local"
 func GetHostname(alias string) string {
 	return alias + "." + mdnsDomain
 }
 
-// GetRegisteredCount returns the number of currently registered hostnames.
-func (p *Publisher) GetRegisteredCount() int {
-	p.mu.RLock()
-	defer p.mu.RUnlock()
-	return len(p.servers)
-}
-
 // getLocalIPs returns the local IP addresses for logging purposes.
 func getLocalIPs() []string {
 	var ips []string

internal/mdns/publisher_test.go

@@ -13,15 +13,17 @@ import (
 func TestNewPublisher_Disabled(t *testing.T) {
 	p := NewPublisher(false)
 
-	assert.False(t, p.IsEnabled())
-	assert.Equal(t, 0, p.GetRegisteredCount())
+	// When disabled, Register should succeed but be a no-op
+	err := p.Register("forward-1", "test-alias", 8080)
+	assert.NoError(t, err)
 }
 
 func TestNewPublisher_Enabled(t *testing.T) {
 	p := NewPublisher(true)
+	defer p.Stop()
 
-	assert.True(t, p.IsEnabled())
-	assert.Equal(t, 0, p.GetRegisteredCount())
+	// Enabled publisher should be created successfully
+	assert.NotNil(t, p)
 }
 
 func TestRegister_WhenDisabled_NoOp(t *testing.T) {
@@ -30,16 +32,17 @@ func TestRegister_WhenDisabled_NoOp(t *testing.T) {
 	err := p.Register("forward-1", "test-alias", 8080)
 
 	assert.NoError(t, err)
-	assert.Equal(t, 0, p.GetRegisteredCount())
+	// Unregister should also be safe when disabled
+	p.Unregister("forward-1")
 }
 
 func TestRegister_EmptyAlias_NoOp(t *testing.T) {
 	p := NewPublisher(true)
+	defer p.Stop()
 
 	err := p.Register("forward-1", "", 8080)
 
 	assert.NoError(t, err)
-	assert.Equal(t, 0, p.GetRegisteredCount())
 }
 
 func TestUnregister_WhenDisabled_NoOp(t *testing.T) {
@@ -51,10 +54,10 @@ func TestUnregister_WhenDisabled_NoOp(t *testing.T) {
 
 func TestUnregister_NotRegistered_NoOp(t *testing.T) {
 	p := NewPublisher(true)
+	defer p.Stop()
 
 	// Should not panic
 	p.Unregister("non-existent")
-	assert.Equal(t, 0, p.GetRegisteredCount())
 }
 
 func TestStop_WhenDisabled_NoOp(t *testing.T) {
@@ -69,7 +72,6 @@ func TestStop_WhenNoRegistrations(t *testing.T) {
 
 	// Should not panic
 	p.Stop()
-	assert.Equal(t, 0, p.GetRegisteredCount())
 }
 
 func TestGetLocalIPs(t *testing.T) {
@@ -84,6 +86,11 @@ func TestGetLocalIPs(t *testing.T) {
 	}
 }
 
+func TestGetHostname(t *testing.T) {
+	hostname := GetHostname("myapp")
+	assert.Equal(t, "myapp.local", hostname)
+}
+
 // Integration tests - only run when explicitly requested
 // These tests actually register mDNS services and require network access
 
@@ -96,9 +103,10 @@ func TestRegister_Integration(t *testing.T) {
 	defer p.Stop()
 
 	err := p.Register("forward-1", "test-service", 8080)
-
 	assert.NoError(t, err)
-	assert.Equal(t, 1, p.GetRegisteredCount())
+
+	// Verify by checking that unregister doesn't panic
+	p.Unregister("forward-1")
 }
 
 func TestRegister_Duplicate_Idempotent_Integration(t *testing.T) {
@@ -112,12 +120,10 @@ func TestRegister_Duplicate_Idempotent_Integration(t *testing.T) {
 	// First registration
 	err := p.Register("forward-1", "test-service", 8080)
 	assert.NoError(t, err)
-	assert.Equal(t, 1, p.GetRegisteredCount())
 
 	// Second registration with same ID should be idempotent
 	err = p.Register("forward-1", "test-service", 8080)
 	assert.NoError(t, err)
-	assert.Equal(t, 1, p.GetRegisteredCount())
 }
 
 func TestRegister_MultipleForwards_Integration(t *testing.T) {
@@ -135,7 +141,6 @@ func TestRegister_MultipleForwards_Integration(t *testing.T) {
 	assert.NoError(t, err1)
 	assert.NoError(t, err2)
 	assert.NoError(t, err3)
-	assert.Equal(t, 3, p.GetRegisteredCount())
 }
 
 func TestUnregister_Success_Integration(t *testing.T) {
@@ -146,9 +151,13 @@ func TestUnregister_Success_Integration(t *testing.T) {
 	p := NewPublisher(true)
 	defer p.Stop()
 
-	p.Register("forward-1", "test-service", 8080)
-	assert.Equal(t, 1, p.GetRegisteredCount())
+	err := p.Register("forward-1", "test-service", 8080)
+	assert.NoError(t, err)
 
+	// Unregister should not panic and should handle it gracefully
 	p.Unregister("forward-1")
-	assert.Equal(t, 0, p.GetRegisteredCount())
+
+	// Re-registering should work after unregister
+	err = p.Register("forward-1", "test-service-2", 8080)
+	assert.NoError(t, err)
 }

internal/retry/backoff.go

@@ -11,6 +11,9 @@ const (
 	initialDelay = 1 * time.Second
 	maxDelay     = 10 * time.Second
 	jitterPct    = 0.1 // 10% jitter
+	// maxAttempt caps the exponent to prevent math.Pow overflow
+	// 2^30 seconds is ~34 years, well above maxDelay, so this is safe
+	maxAttempt = 30
 )
 
 // Backoff implements exponential backoff with jitter for retry logic.
@@ -24,7 +27,8 @@ type Backoff struct {
 func NewBackoff() *Backoff {
 	return &Backoff{
 		attempt: 0,
-		rng:     rand.New(rand.NewSource(time.Now().UnixNano())),
+		// #nosec G404 -- math/rand is appropriate for backoff jitter; cryptographic randomness not needed
+		rng: rand.New(rand.NewSource(time.Now().UnixNano())),
 	}
 }
 
@@ -32,8 +36,14 @@ func NewBackoff() *Backoff {
 // The duration follows exponential backoff: 1s → 2s → 4s → 8s → 10s (max).
 // A 10% jitter is added to prevent thundering herd effects.
 func (b *Backoff) Next() time.Duration {
+	// Cap attempt to prevent overflow in math.Pow
+	attempt := b.attempt
+	if attempt > maxAttempt {
+		attempt = maxAttempt
+	}
+
 	// Calculate base delay: 2^attempt seconds
-	exp := math.Pow(2, float64(b.attempt))
+	exp := math.Pow(2, float64(attempt))
 	delay := time.Duration(exp) * time.Second
 
 	// Cap at max delay

internal/ui/bubbletea_ui.go

@@ -602,20 +602,82 @@ func (m model) renderMainView() string {
 	footerStyle := lipgloss.NewStyle().Foreground(lipgloss.Color("240"))
 	keyStyle := lipgloss.NewStyle().Foreground(lipgloss.Color("220"))
 
-	footer := fmt.Sprintf("%s/%s: Navigate  %s: Toggle  %s: New  %s: Edit  %s: Delete  %s: Bench  %s: Logs  %s: Quit  │  Total: %d",
-		keyStyle.Render("↑↓"),
-		keyStyle.Render("jk"),
-		keyStyle.Render("Space"),
-		keyStyle.Render("n"),
-		keyStyle.Render("e"),
-		keyStyle.Render("d"),
-		keyStyle.Render("b"),
-		keyStyle.Render("l"),
-		keyStyle.Render("q"),
-		len(m.ui.forwardOrder))
+	// Get terminal width for footer wrapping
+	termWidth := m.termWidth
+	if termWidth == 0 {
+		termWidth = 120
+	}
 
-	// Fill space to push footer to bottom (reserve 2 lines: 1 for spacing, 1 for footer)
-	footerHeight := 2
+	// Define key bindings as structured data for flexible rendering
+	type keyBinding struct {
+		key  string
+		desc string
+	}
+	bindings := []keyBinding{
+		{"↑↓/jk", "Navigate"},
+		{"Space", "Toggle"},
+		{"n", "New"},
+		{"e", "Edit"},
+		{"d", "Delete"},
+		{"b", "Bench"},
+		{"l", "Logs"},
+		{"q", "Quit"},
+	}
+
+	// Build footer lines that fit within terminal width
+	var footerLines []string
+	var currentLine strings.Builder
+	currentLineVisualLen := 0
+
+	// Calculate how much space we need for the total count suffix
+	totalSuffix := fmt.Sprintf("  │  Total: %d", len(m.ui.forwardOrder))
+	totalSuffixLen := len(totalSuffix)
+
+	// Available width (account for some margin)
+	availableWidth := termWidth - 4
+
+	for i, binding := range bindings {
+		// Build this binding's text
+		keyRendered := keyStyle.Render(binding.key)
+		bindingText := keyRendered + ": " + binding.desc
+		// Visual length without ANSI codes
+		bindingVisualLen := len(binding.key) + 2 + len(binding.desc)
+
+		// Add separator if not first item on line
+		separator := ""
+		separatorLen := 0
+		if currentLine.Len() > 0 {
+			separator = "  "
+			separatorLen = 2
+		}
+
+		// Check if this binding fits on current line
+		// For the last binding, also need to fit the total suffix
+		neededWidth := currentLineVisualLen + separatorLen + bindingVisualLen
+		if i == len(bindings)-1 {
+			neededWidth += totalSuffixLen
+		}
+
+		if neededWidth > availableWidth && currentLine.Len() > 0 {
+			// Start a new line
+			footerLines = append(footerLines, currentLine.String())
+			currentLine.Reset()
+			currentLineVisualLen = 0
+			separator = ""
+			separatorLen = 0
+		}
+
+		currentLine.WriteString(separator)
+		currentLine.WriteString(bindingText)
+		currentLineVisualLen += separatorLen + bindingVisualLen
+	}
+
+	// Add total count to the last line
+	currentLine.WriteString(totalSuffix)
+	footerLines = append(footerLines, currentLine.String())
+
+	// Calculate footer height
+	footerHeight := len(footerLines) + 1 // +1 for the blank line before footer
 	remainingLines := termHeight - currentLines - footerHeight
 	if remainingLines > 0 {
 		b.WriteString(strings.Repeat("\n", remainingLines))
@@ -623,7 +685,12 @@ func (m model) renderMainView() string {
 
 	// Add footer at bottom
 	b.WriteString("\n")
-	b.WriteString(footerStyle.Render(footer))
+	for i, line := range footerLines {
+		if i > 0 {
+			b.WriteString("\n")
+		}
+		b.WriteString(footerStyle.Render(line))
+	}
 
 	return b.String()
 }
@@ -736,7 +803,7 @@ func (m model) renderDeleteConfirmation() string {
 	}
 
 	b.WriteString("\n\n")
-	b.WriteString(helpStyle.Render("←/→: Navigate  Enter: Confirm  Esc: Cancel"))
+	b.WriteString(wrapHelpText("←/→: Navigate  Enter: Confirm  Esc: Cancel", wizardHelpWidth(m.termWidth)))
 
 	// Wrap in a box using wizard style
 	boxStyle := lipgloss.NewStyle().

internal/ui/wizard_styles.go

@@ -194,6 +194,96 @@ func renderTextInput(label, value string, valid bool) string {
 	return b.String()
 }
 
+// wizardHelpWidth returns an appropriate width for wizard help text
+// based on terminal width. For modals, we use a sensible maximum.
+func wizardHelpWidth(termWidth int) int {
+	if termWidth == 0 {
+		termWidth = 80
+	}
+	// Wizard modals shouldn't be wider than 70 chars typically
+	// but on narrow terminals, use available space minus padding
+	maxWidth := 70
+	available := termWidth - 10 // account for modal borders and padding
+	if available < maxWidth {
+		return available
+	}
+	return maxWidth
+}
+
+// wrapHelpText wraps help text to fit within the given width.
+// Help text is expected to be in the format "key: action  key: action  ..."
+// separated by double spaces. On smaller screens, it wraps to multiple lines.
+func wrapHelpText(text string, width int) string {
+	if width <= 0 {
+		width = 80 // Default width
+	}
+
+	// Account for some padding/margin
+	availableWidth := width - 4
+	if availableWidth < 20 {
+		availableWidth = 20
+	}
+
+	// If text fits, return as-is
+	if len(text) <= availableWidth {
+		return helpStyle.Render(text)
+	}
+
+	// Split by double-space separator (common in help text)
+	parts := strings.Split(text, "  ")
+	if len(parts) <= 1 {
+		// No double-space separators, just truncate
+		if len(text) > availableWidth-3 {
+			return helpStyle.Render(text[:availableWidth-3] + "...")
+		}
+		return helpStyle.Render(text)
+	}
+
+	var lines []string
+	var currentLine strings.Builder
+
+	for i, part := range parts {
+		part = strings.TrimSpace(part)
+		if part == "" {
+			continue
+		}
+
+		// Check if adding this part would exceed width
+		addition := part
+		if currentLine.Len() > 0 {
+			addition = "  " + part
+		}
+
+		if currentLine.Len()+len(addition) > availableWidth && currentLine.Len() > 0 {
+			// Start new line
+			lines = append(lines, currentLine.String())
+			currentLine.Reset()
+			currentLine.WriteString(part)
+		} else {
+			if currentLine.Len() > 0 {
+				currentLine.WriteString("  ")
+			}
+			currentLine.WriteString(part)
+		}
+
+		// Handle last part
+		if i == len(parts)-1 && currentLine.Len() > 0 {
+			lines = append(lines, currentLine.String())
+		}
+	}
+
+	// Join with newlines and apply style to each line
+	var result strings.Builder
+	for i, line := range lines {
+		if i > 0 {
+			result.WriteString("\n")
+		}
+		result.WriteString(helpStyle.Render(line))
+	}
+
+	return result.String()
+}
+
 // overlayContent overlays modal content centered on the base view
 // Note: base parameter is kept for API compatibility but not used since
 // lipgloss.Place provides cleaner centering without background artifacts

internal/ui/wizard_views.go

@@ -109,10 +109,11 @@ func (m model) renderSelectContext() string {
 	}
 
 	b.WriteString("\n")
+	helpWidth := wizardHelpWidth(m.termWidth)
 	if wizard.searchFilter != "" {
-		b.WriteString(helpStyle.Render(fmt.Sprintf("↑/↓: Navigate  Enter: Select  Backspace: Clear filter (%d/%d)  Esc: Cancel", len(wizard.getFilteredContexts()), len(wizard.contexts))))
+		b.WriteString(wrapHelpText(fmt.Sprintf("↑/↓: Navigate  Enter: Select  Backspace: Clear filter (%d/%d)  Esc: Cancel", len(wizard.getFilteredContexts()), len(wizard.contexts)), helpWidth))
 	} else {
-		b.WriteString(helpStyle.Render("Type to filter  ↑/↓: Navigate  Enter: Select  Esc/Ctrl+C: Cancel"))
+		b.WriteString(wrapHelpText("Type to filter  ↑/↓: Navigate  Enter: Select  Esc/Ctrl+C: Cancel", helpWidth))
 	}
 
 	return b.String()
@@ -150,10 +151,11 @@ func (m model) renderSelectNamespace() string {
 	}
 
 	b.WriteString("\n")
+	helpWidth := wizardHelpWidth(m.termWidth)
 	if wizard.searchFilter != "" {
-		b.WriteString(helpStyle.Render(fmt.Sprintf("↑/↓: Navigate  Enter: Select  Backspace: Clear filter (%d/%d)  Esc: Back", len(wizard.getFilteredNamespaces()), len(wizard.namespaces))))
+		b.WriteString(wrapHelpText(fmt.Sprintf("↑/↓: Navigate  Enter: Select  Backspace: Clear filter (%d/%d)  Esc: Back", len(wizard.getFilteredNamespaces()), len(wizard.namespaces)), helpWidth))
 	} else {
-		b.WriteString(helpStyle.Render("Type to filter  ↑/↓: Navigate  Enter: Select  Esc: Back  Ctrl+C: Cancel"))
+		b.WriteString(wrapHelpText("Type to filter  ↑/↓: Navigate  Enter: Select  Esc: Back  Ctrl+C: Cancel", helpWidth))
 	}
 
 	return b.String()
@@ -192,7 +194,7 @@ func (m model) renderSelectResourceType() string {
 	}
 
 	b.WriteString("\n")
-	b.WriteString(helpStyle.Render("↑/↓: Navigate  Enter: Select  Esc: Back  Ctrl+C: Cancel"))
+	b.WriteString(wrapHelpText("↑/↓: Navigate  Enter: Select  Esc: Back  Ctrl+C: Cancel", wizardHelpWidth(m.termWidth)))
 
 	return b.String()
 }
@@ -305,14 +307,15 @@ func (m model) renderEnterResource() string {
 
 	b.WriteString("\n")
 	// Show appropriate help text based on resource type and filter state
+	helpWidth := wizardHelpWidth(m.termWidth)
 	if wizard.selectedResourceType == ResourceTypeService {
 		if wizard.searchFilter != "" {
-			b.WriteString(helpStyle.Render(fmt.Sprintf("↑/↓: Navigate  Enter: Select  Backspace: Clear filter (%d/%d)  Esc: Back", len(wizard.getFilteredServices()), len(wizard.services))))
+			b.WriteString(wrapHelpText(fmt.Sprintf("↑/↓: Navigate  Enter: Select  Backspace: Clear filter (%d/%d)  Esc: Back", len(wizard.getFilteredServices()), len(wizard.services)), helpWidth))
 		} else {
-			b.WriteString(helpStyle.Render("Type to filter  ↑/↓: Navigate  Enter: Select  Esc: Back  Ctrl+C: Cancel"))
+			b.WriteString(wrapHelpText("Type to filter  ↑/↓: Navigate  Enter: Select  Esc: Back  Ctrl+C: Cancel", helpWidth))
 		}
 	} else {
-		b.WriteString(helpStyle.Render("Enter: Continue  Esc: Back  Ctrl+C: Cancel"))
+		b.WriteString(wrapHelpText("Enter: Continue  Esc: Back  Ctrl+C: Cancel", helpWidth))
 	}
 
 	return b.String()
@@ -403,7 +406,7 @@ func (m model) renderEnterRemotePort() string {
 		}
 
 		b.WriteString("\n")
-		b.WriteString(helpStyle.Render("↑/↓: Navigate  Enter: Select  Esc: Back  Ctrl+C: Cancel"))
+		b.WriteString(wrapHelpText("↑/↓: Navigate  Enter: Select  Esc: Back  Ctrl+C: Cancel", wizardHelpWidth(m.termWidth)))
 	} else {
 		// Text input mode (no detected ports or user chose manual entry)
 		if len(wizard.detectedPorts) > 0 {
@@ -436,7 +439,7 @@ func (m model) renderEnterRemotePort() string {
 		}
 
 		b.WriteString("\n")
-		b.WriteString(helpStyle.Render("Enter: Continue  Esc: Back  Ctrl+C: Cancel"))
+		b.WriteString(wrapHelpText("Enter: Continue  Esc: Back  Ctrl+C: Cancel", wizardHelpWidth(m.termWidth)))
 	}
 
 	return b.String()
@@ -477,7 +480,7 @@ func (m model) renderEnterLocalPort() string {
 	}
 
 	b.WriteString("\n")
-	b.WriteString(helpStyle.Render("Enter: Continue  Esc: Back  Ctrl+C: Cancel"))
+	b.WriteString(wrapHelpText("Enter: Continue  Esc: Back  Ctrl+C: Cancel", wizardHelpWidth(m.termWidth)))
 
 	return b.String()
 }
@@ -535,7 +538,7 @@ func (m model) renderConfirmation() string {
 	}
 
 	b.WriteString("\n")
-	b.WriteString(helpStyle.Render("↑/↓/Tab: Navigate  Enter: Confirm  Esc: Back"))
+	b.WriteString(wrapHelpText("↑/↓/Tab: Navigate  Enter: Confirm  Esc: Back", wizardHelpWidth(m.termWidth)))
 
 	return b.String()
 }
@@ -578,7 +581,7 @@ func (m model) renderSuccess() string {
 	}
 
 	b.WriteString("\n")
-	b.WriteString(helpStyle.Render("↑/↓: Navigate  Enter: Select"))
+	b.WriteString(wrapHelpText("↑/↓: Navigate  Enter: Select", wizardHelpWidth(m.termWidth)))
 
 	return b.String()
 }
@@ -641,7 +644,7 @@ func (m model) renderRemoveSelection() string {
 	selectedCount := wizard.getSelectedCount()
 	b.WriteString(fmt.Sprintf("%d of %d selected\n\n", selectedCount, len(wizard.forwards)))
 
-	b.WriteString(helpStyle.Render("Space: Toggle  a: All  n: None  Enter: Remove  Esc: Cancel"))
+	b.WriteString(wrapHelpText("Space: Toggle  a: All  n: None  Enter: Remove  Esc: Cancel", wizardHelpWidth(m.termWidth)))
 
 	return b.String()
 }
@@ -676,7 +679,7 @@ func (m model) renderRemoveConfirmation() string {
 	}
 
 	b.WriteString("\n")
-	b.WriteString(helpStyle.Render("↑/↓: Navigate  Enter: Confirm  Esc: Cancel"))
+	b.WriteString(wrapHelpText("↑/↓: Navigate  Enter: Confirm  Esc: Cancel", wizardHelpWidth(m.termWidth)))
 
 	return b.String()
 }
@@ -740,7 +743,7 @@ func (m model) renderBenchmarkConfig() string {
 	b.WriteString("\n")
 	b.WriteString(mutedStyle.Render(fmt.Sprintf("Will send %d requests with %d concurrent workers", state.requests, state.concurrency)))
 	b.WriteString("\n\n")
-	b.WriteString(helpStyle.Render("↑/↓/Tab: Navigate  Type to edit  Enter: Run  Esc: Cancel"))
+	b.WriteString(wrapHelpText("↑/↓/Tab: Navigate  Type to edit  Enter: Run  Esc: Cancel", wizardHelpWidth(m.termWidth)))
 
 	return b.String()
 }
@@ -780,7 +783,7 @@ func (m model) renderBenchmarkRunning() string {
 	b.WriteString(mutedStyle.Render(fmt.Sprintf("Method: %s  Concurrency: %d", state.method, state.concurrency)))
 	b.WriteString("\n\n")
 
-	b.WriteString(helpStyle.Render("Please wait..."))
+	b.WriteString(wrapHelpText("Please wait...", wizardHelpWidth(m.termWidth)))
 
 	return b.String()
 }
@@ -796,14 +799,14 @@ func (m model) renderBenchmarkResults() string {
 	if state.error != nil {
 		b.WriteString(errorStyle.Render(fmt.Sprintf("✗ Error: %v", state.error)))
 		b.WriteString("\n\n")
-		b.WriteString(helpStyle.Render("Press Enter or Esc to return"))
+		b.WriteString(wrapHelpText("Press Enter or Esc to return", wizardHelpWidth(m.termWidth)))
 		return b.String()
 	}
 
 	if state.results == nil {
 		b.WriteString(mutedStyle.Render("No results available"))
 		b.WriteString("\n\n")
-		b.WriteString(helpStyle.Render("Press Enter or Esc to return"))
+		b.WriteString(wrapHelpText("Press Enter or Esc to return", wizardHelpWidth(m.termWidth)))
 		return b.String()
 	}
 
@@ -872,7 +875,7 @@ func (m model) renderBenchmarkResults() string {
 	}
 
 	b.WriteString("\n")
-	b.WriteString(helpStyle.Render("Press Enter or Esc to return"))
+	b.WriteString(wrapHelpText("Press Enter or Esc to return", wizardHelpWidth(m.termWidth)))
 
 	return b.String()
 }
@@ -1076,8 +1079,10 @@ func (m model) renderHTTPLog() string {
 	}
 	b.WriteString("\n")
 
-	// Help line at bottom
-	b.WriteString(helpStyle.Render("  ↑/↓: Navigate  Enter: Details  a: Auto-scroll  f: Filter  /: Search  c: Clear  q: Close"))
+	// Help line at bottom (wrap for smaller screens)
+	helpText := "↑/↓: Navigate  Enter: Details  a: Auto-scroll  f: Filter  /: Search  c: Clear  q: Close"
+	b.WriteString("  ")
+	b.WriteString(wrapHelpText(helpText, termWidth-4))
 
 	return b.String()
 }
@@ -1273,9 +1278,9 @@ func (m model) renderHTTPLogDetail(entry HTTPLogEntry, termWidth, termHeight int
 	if state.copyMessage != "" {
 		b.WriteString(successStyle.Render(state.copyMessage))
 		b.WriteString("  ")
-		b.WriteString(helpStyle.Render("↑/↓: Scroll  c: Copy  Esc: Back"))
+		b.WriteString(wrapHelpText("↑/↓: Scroll  c: Copy  Esc: Back", termWidth-10))
 	} else {
-		b.WriteString(helpStyle.Render("↑/↓/PgUp/PgDn: Scroll  g: Top  c: Copy response  Esc: Back"))
+		b.WriteString(wrapHelpText("↑/↓/PgUp/PgDn: Scroll  g: Top  c: Copy response  Esc: Back", termWidth-10))
 	}
 
 	return b.String()

internal/version/checker.go

@@ -144,15 +144,9 @@ func parseVersion(v string) []int {
 
 	for _, p := range parts {
 		var num int
-		fmt.Sscanf(p, "%d", &num)
+		_, _ = fmt.Sscanf(p, "%d", &num)
 		result = append(result, num)
 	}
 
 	return result
 }
-
-// FormatUpdateMessage formats a user-friendly update notification
-func (u *UpdateInfo) FormatUpdateMessage() string {
-	return fmt.Sprintf("New version available: %s (current: %s) - %s",
-		u.LatestVersion, u.CurrentVersion, u.ReleaseURL)
-}

internal/version/checker_test.go

@@ -75,16 +75,3 @@ func TestIsNewerVersion(t *testing.T) {
 		})
 	}
 }
-
-func TestUpdateInfo_FormatUpdateMessage(t *testing.T) {
-	info := &UpdateInfo{
-		CurrentVersion: "0.1.0",
-		LatestVersion:  "0.2.0",
-		ReleaseURL:     "https://github.com/nvm/kportal/releases/tag/v0.2.0",
-	}
-
-	msg := info.FormatUpdateMessage()
-	assert.Contains(t, msg, "0.2.0")
-	assert.Contains(t, msg, "0.1.0")
-	assert.Contains(t, msg, "https://github.com/nvm/kportal/releases/tag/v0.2.0")
-}