Add conflict resolution diff UI and app branding

apps/server/internal/httpserver/handlers_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/tim/md-hub-secure/apps/server/internal/docs"
+	"github.com/tim/cairnquire/apps/server/internal/docs"
 )
 
 func TestBuildBrowserUsesFolderIndex(t *testing.T) {
@@ -41,3 +41,25 @@ func TestBuildBrowserUsesFolderIndex(t *testing.T) {
 		t.Fatalf("folder index file should be represented by the folder, not repeated as a child file")
 	}
 }
+
+func TestTrimEditSuffix(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    string
+		wantPath string
+		wantOK   bool
+	}{
+		{name: "nested path", input: "guide/setup/edit", wantPath: "guide/setup", wantOK: true},
+		{name: "root edit sentinel", input: "edit", wantPath: "", wantOK: true},
+		{name: "document route", input: "guide/setup", wantPath: "", wantOK: false},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gotPath, gotOK := trimEditSuffix(tt.input)
+			if gotPath != tt.wantPath || gotOK != tt.wantOK {
+				t.Fatalf("trimEditSuffix(%q) = (%q, %t), want (%q, %t)", tt.input, gotPath, gotOK, tt.wantPath, tt.wantOK)
+			}
+		})
+	}
+}