Übersicht: Verbindungs-Label klarer, Verbindungszeilen anklickbar

Nutzerfrage: was bedeutet "Optionen" bei einer IP-Adresse verknüpften
DHCP-Netzwerk-Zeile? Umbenannt zu "DHCP-Optionen". Zusätzlich: die
"Verbindungen"-Zeilen im Detailpanel eines Knotens sind jetzt anklickbar
(springt zum verbundenen Element, wie bei Linien-Klicks) und zeigen
beim Hovern eine Klartext-Erklärung als Tooltip (OverviewStyle.
explanation(for:), bereits für EdgeDetailView gebaut).

59 Unit-Tests grün. Manual.md/HANDOFF.md aktualisiert.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YDmUd93KxsYGr2kLTotWnG

RouterOSAssistant/Features/Overview/OverviewView.swift

@@ -204,7 +204,10 @@ struct OverviewView: View {
                 viewModel.selectedNodeID = nodeID
             }
         } else if let id = viewModel.selectedNodeID, let node = viewModel.graph.nodes.first(where: { $0.id == id }) {
-            NodeDetailView(node: node, graph: viewModel.graph, onEdit: editNode)
+            NodeDetailView(node: node, graph: viewModel.graph, onEdit: editNode) { nodeID in
+                selectedEdge = nil
+                viewModel.selectedNodeID = nodeID
+            }
         } else {
             LegendView()
         }
@@ -536,6 +539,7 @@ private struct NodeDetailView: View {
     let node: OverviewNode
     let graph: OverviewGraph
     let onEdit: (OverviewNode) -> Void
+    let onSelectNode: (String) -> Void
 
     var body: some View {
         ScrollView {
@@ -578,12 +582,18 @@ private struct NodeDetailView: View {
                     ForEach(connected) { edge in
                         let otherID = edge.from == node.id ? edge.to : edge.from
                         let otherTitle = graph.nodes.first(where: { $0.id == otherID })?.title ?? otherID
-                        Label(
-                            edge.label.map { "\(otherTitle) (\($0))" } ?? otherTitle,
-                            systemImage: edge.from == node.id ? "arrow.right" : "arrow.left"
-                        )
-                        .foregroundStyle(OverviewStyle.color(for: edge.kind))
-                        .font(.caption)
+                        Button {
+                            onSelectNode(otherID)
+                        } label: {
+                            Label(
+                                edge.label.map { "\(otherTitle) (\($0))" } ?? otherTitle,
+                                systemImage: edge.from == node.id ? "arrow.right" : "arrow.left"
+                            )
+                            .foregroundStyle(OverviewStyle.color(for: edge.kind))
+                            .font(.caption)
+                        }
+                        .buttonStyle(.plain)
+                        .help(OverviewStyle.explanation(for: edge.kind))
                     }
                 }
             }

RouterOSAssistant/Features/Overview/OverviewViewModel.swift

@@ -189,7 +189,7 @@ final class OverviewViewModel: ObservableObject {
             ))
             let networkPart = address.split(separator: "/").first.map(String.init) ?? address
             if let addressID = networkToAddressID[networkPart] {
-                edges.append(OverviewEdge(from: addressID, to: id, label: "Optionen", kind: .dhcp))
+                edges.append(OverviewEdge(from: addressID, to: id, label: "DHCP-Optionen", kind: .dhcp))
             }
         }