feat(v3.7.0): add timeline and advanced diffing system

- introduce TimelineView for historical snapshots
- allow comparison between any two snapshots
- implement DiffService for structured domain diffs
- improve diff visualization with clear change indicators
- add navigation across changes
- optimize history loading for performance
- extend CLI and export to support timeline data

1 files changed, 1 insertions, 1 deletions

diff --git a/DomainDig/ReachabilityService.swift b/DomainDig/ReachabilityService.swift
index 3fb7dd9..207499f 100644
--- a/DomainDig/ReachabilityService.swift
+++ b/DomainDig/ReachabilityService.swift
@@ -23,7 +23,7 @@ struct ReachabilityService {
             let queue = DispatchQueue(label: "reachability.\(port)")
             connection.start(queue: queue)
 
-            queue.asyncAfter(deadline: .now() + 5) {
+            queue.asyncAfter(deadline: .now() + 2) {
                 context.finish(reachable: false)
             }
         }