fix: Address AI code reviewer feedback

- Fix branding references (VoiceLink → VoiceInk) in documentation
- Correct keyboard shortcut documentation to Cmd+Shift+/ for proper Cmd+?
- Remove force unwrap in webhook example code

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

IMPLEMENTATION_SUMMARY.md

@@ -7,7 +7,7 @@
 
 ## What Was Implemented
 
-We successfully implemented **5 critical quality of life improvements** for VoiceLink Community:
+We successfully implemented **5 critical quality of life improvements** for VoiceInk:
 
 ### ✅ 1. Recording Duration Indicator
 - Real-time timer showing MM:SS format during recording
@@ -381,4 +381,4 @@ Before merging/deploying:
 
 **Last Updated:** November 3, 2025  
 **Implemented By:** AI Assistant via Factory  
-**Maintained By:** VoiceLink Community
+**Maintained By:** VoiceInk Community

QOL_IMPROVEMENTS_CHANGELOG.md

@@ -239,7 +239,7 @@ struct KeyboardShortcutCheatSheet: View {
         Button("Keyboard Shortcuts") {
             NotificationCenter.default.post(name: .showShortcutCheatSheet, object: nil)
         }
-        .keyboardShortcut("/", modifiers: .command)
+        .keyboardShortcut("/", modifiers: [.command, .shift])
     }
 }
 ```

QUALITY_OF_LIFE_IMPROVEMENTS.md

@@ -823,7 +823,11 @@ func sendToWebhook(_ transcription: Transcription) async throws {
         "duration": transcription.duration
     ]
     
-    var request = URLRequest(url: URL(string: settings.url)!)
+    guard let url = URL(string: settings.url) else {
+        throw WebhookError.invalidURL
+    }
+    
+    var request = URLRequest(url: url)
     request.httpMethod = "POST"
     request.httpBody = try JSONSerialization.data(withJSONObject: payload)