diff --git a/cmd/aggregator/aggregator_test.go b/cmd/aggregator/aggregator_test.go
index 4c2c58a..29c84fb 100644
--- a/cmd/aggregator/aggregator_test.go
+++ b/cmd/aggregator/aggregator_test.go
@@ -163,7 +163,7 @@ func TestCacheCoarseRing(t *testing.T) {
 func TestCacheQueryTopN(t *testing.T) {
 	m := NewMerger()
 	m.Apply(makeSnap("c1", map[string]int64{
-		st.EncodeTuple(st.Tuple6{Website: "busy.com", Prefix: "1.0.0.0/24", URI: "/", Status: "200"}): 300,
+		st.EncodeTuple(st.Tuple6{Website: "busy.com", Prefix: "1.0.0.0/24", URI: "/", Status: "200"}):  300,
 		st.EncodeTuple(st.Tuple6{Website: "quiet.com", Prefix: "2.0.0.0/24", URI: "/", Status: "200"}): 50,
 	}))
 
diff --git a/cmd/aggregator/main.go b/cmd/aggregator/main.go
index c581e59..51d87d4 100644
--- a/cmd/aggregator/main.go
+++ b/cmd/aggregator/main.go
@@ -15,9 +15,9 @@ import (
 )
 
 func main() {
-	listen     := flag.String("listen", ":9091", "gRPC listen address")
+	listen := flag.String("listen", ":9091", "gRPC listen address")
 	collectors := flag.String("collectors", "", "comma-separated collector host:port addresses")
-	source     := flag.String("source", hostname(), "name for this aggregator in responses")
+	source := flag.String("source", hostname(), "name for this aggregator in responses")
 	flag.Parse()
 
 	if *collectors == "" {
diff --git a/cmd/cli/cli_test.go b/cmd/cli/cli_test.go
index 6bdadd0..93dc72e 100644
--- a/cmd/cli/cli_test.go
+++ b/cmd/cli/cli_test.go
@@ -89,7 +89,10 @@ func TestBuildFilterNil(t *testing.T) {
 }
 
 func TestFmtCount(t *testing.T) {
-	cases := []struct{ n int64; want string }{
+	cases := []struct {
+		n    int64
+		want string
+	}{
 		{0, "0"},
 		{999, "999"},
 		{1000, "1 000"},
diff --git a/cmd/collector/main.go b/cmd/collector/main.go
index e6c3229..530ff19 100644
--- a/cmd/collector/main.go
+++ b/cmd/collector/main.go
@@ -18,12 +18,12 @@ import (
 )
 
 func main() {
-	listen       := flag.String("listen", ":9090", "gRPC listen address")
-	logPaths     := flag.String("logs", "", "comma-separated log file paths/globs to tail")
-	logsFile     := flag.String("logs-file", "", "file containing one log path/glob per line")
-	source       := flag.String("source", hostname(), "name for this collector (default: hostname)")
-	v4prefix     := flag.Int("v4prefix", 24, "IPv4 prefix length for client bucketing")
-	v6prefix     := flag.Int("v6prefix", 48, "IPv6 prefix length for client bucketing")
+	listen := flag.String("listen", ":9090", "gRPC listen address")
+	logPaths := flag.String("logs", "", "comma-separated log file paths/globs to tail")
+	logsFile := flag.String("logs-file", "", "file containing one log path/glob per line")
+	source := flag.String("source", hostname(), "name for this collector (default: hostname)")
+	v4prefix := flag.Int("v4prefix", 24, "IPv4 prefix length for client bucketing")
+	v6prefix := flag.Int("v6prefix", 48, "IPv6 prefix length for client bucketing")
 	scanInterval := flag.Duration("scan-interval", 10*time.Second, "how often to rescan glob patterns for new/removed files")
 	flag.Parse()
 
diff --git a/cmd/collector/parser_test.go b/cmd/collector/parser_test.go
index 928c556..7d84946 100644
--- a/cmd/collector/parser_test.go
+++ b/cmd/collector/parser_test.go
@@ -8,10 +8,10 @@ func TestParseLine(t *testing.T) {
 	good := "www.example.com\t1.2.3.4\t1741954800.123\tGET\t/api/v1/search?q=foo&x=1\t200\t1452\t0.043"
 
 	tests := []struct {
-		name    string
-		line    string
-		wantOK  bool
-		want    LogRecord
+		name   string
+		line   string
+		wantOK bool
+		want   LogRecord
 	}{
 		{
 			name:   "normal IPv4 line strips query string",
@@ -186,7 +186,7 @@ func TestTruncateIP(t *testing.T) {
 		{"1.2.3.4", "1.2.3.0/24"},
 		{"192.168.100.200", "192.168.100.0/24"},
 		{"2001:db8:cafe:babe::1", "2001:db8:cafe::/48"}, // /48 = 3 full groups intact
-		{"::1", "::/48"}, // loopback — first 48 bits are all zero
+		{"::1", "::/48"},                                // loopback — first 48 bits are all zero
 	}
 
 	for _, tc := range tests {
diff --git a/cmd/collector/store.go b/cmd/collector/store.go
index 4ee8e8e..81b72ab 100644
--- a/cmd/collector/store.go
+++ b/cmd/collector/store.go
@@ -4,8 +4,8 @@ import (
 	"sync"
 	"time"
 
-	pb "git.ipng.ch/ipng/nginx-logtail/proto/logtailpb"
 	st "git.ipng.ch/ipng/nginx-logtail/internal/store"
+	pb "git.ipng.ch/ipng/nginx-logtail/proto/logtailpb"
 )
 
 const liveMapCap = 100_000 // hard cap on live map entries
diff --git a/cmd/collector/store_test.go b/cmd/collector/store_test.go
index 8cc8f88..dcccffc 100644
--- a/cmd/collector/store_test.go
+++ b/cmd/collector/store_test.go
@@ -5,8 +5,8 @@ import (
 	"testing"
 	"time"
 
-	pb "git.ipng.ch/ipng/nginx-logtail/proto/logtailpb"
 	st "git.ipng.ch/ipng/nginx-logtail/internal/store"
+	pb "git.ipng.ch/ipng/nginx-logtail/proto/logtailpb"
 )
 
 func makeStore() *Store {
diff --git a/cmd/collector/tailer.go b/cmd/collector/tailer.go
index 1277916..d35d428 100644
--- a/cmd/collector/tailer.go
+++ b/cmd/collector/tailer.go
@@ -54,7 +54,7 @@ func (mt *MultiTailer) Run(ctx context.Context) {
 	}
 	defer watcher.Close()
 
-	files    := make(map[string]*fileState)
+	files := make(map[string]*fileState)
 	retrying := make(map[string]struct{}) // paths currently in a retryOpen goroutine
 	reopenCh := make(chan reopenMsg, 32)
 
diff --git a/cmd/frontend/main.go b/cmd/frontend/main.go
index 54ac240..bb32522 100644
--- a/cmd/frontend/main.go
+++ b/cmd/frontend/main.go
@@ -16,9 +16,9 @@ import (
 var templatesFS embed.FS
 
 func main() {
-	listen  := flag.String("listen", ":8080", "HTTP listen address")
-	target  := flag.String("target", "localhost:9091", "default gRPC endpoint (aggregator or collector)")
-	n       := flag.Int("n", 25, "default number of table rows")
+	listen := flag.String("listen", ":8080", "HTTP listen address")
+	target := flag.String("target", "localhost:9091", "default gRPC endpoint (aggregator or collector)")
+	n := flag.Int("n", 25, "default number of table rows")
 	refresh := flag.Int("refresh", 30, "meta-refresh interval in seconds (0 = disabled)")
 	flag.Parse()
 
diff --git a/internal/store/store.go b/internal/store/store.go
index d28599e..74b222f 100644
--- a/internal/store/store.go
+++ b/internal/store/store.go
@@ -14,11 +14,11 @@ import (
 
 // Ring-buffer dimensions — shared between collector and aggregator.
 const (
-	FineRingSize   = 60      // 60 × 1-min buckets  → 1 hour
-	CoarseRingSize = 288     // 288 × 5-min buckets → 24 hours
-	FineTopK       = 50_000  // entries kept per fine snapshot
-	CoarseTopK     = 5_000   // entries kept per coarse snapshot
-	CoarseEvery    = 5       // fine ticks between coarse writes
+	FineRingSize   = 60     // 60 × 1-min buckets  → 1 hour
+	CoarseRingSize = 288    // 288 × 5-min buckets → 24 hours
+	FineTopK       = 50_000 // entries kept per fine snapshot
+	CoarseTopK     = 5_000  // entries kept per coarse snapshot
+	CoarseEvery    = 5      // fine ticks between coarse writes
 )
 
 // Tuple6 is the aggregation key (website, prefix, URI, status, is_tor, asn).