style: gofmt all packages (#4)

Applies gofmt to the 18 files that were already unformatted at HEAD (pre-existing debt — 122 insertions / 122 deletions, whitespace plus import-block reorderings only; `git diff -w` confirms no semantic changes).

Kept on its own branch so the functional change set (see the review-hardening PR) stays reviewable without formatting noise.

Verified: go build, go vet, go test ./... pass on this branch; a merge simulation with the functional branch produces a clean 3-way merge with all tests green.
Reviewed-on: #4
Co-authored-by: David Gwilliam <dhgwilliam@gmail.com>
Co-committed-by: David Gwilliam <dhgwilliam@gmail.com>

internal/cmd/browser.go

@@ -5,9 +5,9 @@ import (
 	"log"
 	"strings"
 
-	"github.com/spf13/cobra"
 	"github.com/david/knox/internal/db"
 	"github.com/david/knox/internal/ingest"
+	"github.com/spf13/cobra"
 )
 
 func NewBrowserCmd(kdb *db.KnoxDB) *cobra.Command {
@@ -65,10 +65,10 @@ Run periodically to capture browsing exhaust.`,
 			for _, r := range results {
 				domains[extractDomain(r.Summary)]++
 			}
-	fmt.Println("\nTop domains:")
-	for _, d := range topDomains(domains, 10) {
-		fmt.Printf("  %-40s %d\n", d.Name, d.Count)
-	}
+			fmt.Println("\nTop domains:")
+			for _, d := range topDomains(domains, 10) {
+				fmt.Printf("  %-40s %d\n", d.Name, d.Count)
+			}
 
 			return nil
 		},