style: fix gofmt formatting inconsistencies

Run gofmt -w to fix tab/space inconsistencies across 33 files.

cmd/pulse-host-agent/service_stub.go

@@ -1,3 +1,4 @@
+//go:build !windows
 // +build !windows
 
 package main

cmd/pulse-host-agent/service_windows.go

@@ -1,3 +1,4 @@
+//go:build windows
 // +build windows
 
 package main

cmd/pulse/metrics_server.go

@@ -37,4 +37,3 @@ func startMetricsServer(ctx context.Context, addr string) {
 		}
 	}()
 }
-

internal/api/docker_metadata.go

@@ -159,4 +159,5 @@ func (h *DockerMetadataHandler) HandleDeleteMetadata(w http.ResponseWriter, r *h
 
 	w.WriteHeader(http.StatusNoContent)
 }
+
 // test comment

internal/notifications/queue.go

@@ -9,9 +9,9 @@ import (
 	"sync"
 	"time"
 
+	_ "github.com/mattn/go-sqlite3"
 	"github.com/rcourtman/pulse-go-rewrite/internal/alerts"
 	"github.com/rcourtman/pulse-go-rewrite/internal/utils"
-	_ "github.com/mattn/go-sqlite3"
 	"github.com/rs/zerolog/log"
 )
 

pkg/proxmox/client_test.go

@@ -246,8 +246,6 @@ func TestMemoryStatusUnmarshalFlexibleValues(t *testing.T) {
 	}
 }
 
-
-
 // TestMemoryStatusEffectiveAvailable_RegressionIssue435 tests the specific scenarios
 // reported in GitHub issue #435 where memory calculations incorrectly included cache/buffers
 func TestMemoryStatusEffectiveAvailable_RegressionIssue435(t *testing.T) {