Scaffold octosentry MVP: unified GitHub security alert feed0.1.0

MenuBarExtra popover aggregating Dependabot, code scanning, and secret
scanning alerts for a single repo into one severity-ranked stream. Swift 6
strict concurrency, zero third-party dependencies, PAT-via-env-var auth as
a dev-only shortcut ahead of the device authorization flow.

1 files changed, 35 insertions, 0 deletions

diff --git a/octosentry/SecurityEventSeverity.swift b/octosentry/SecurityEventSeverity.swift
new file mode 100644
index 0000000..f975639
--- /dev/null
+++ b/octosentry/SecurityEventSeverity.swift
@@ -0,0 +1,35 @@
+//
+//  SecurityEventSeverity.swift
+//  octosentry
+//
+
+import SwiftUI
+
+enum SecurityEventSeverity: Int, Codable, Comparable, CaseIterable {
+    case low
+    case medium
+    case high
+    case critical
+
+    static func < (lhs: SecurityEventSeverity, rhs: SecurityEventSeverity) -> Bool {
+        lhs.rawValue < rhs.rawValue
+    }
+
+    var displayName: String {
+        switch self {
+        case .low: "Low"
+        case .medium: "Medium"
+        case .high: "High"
+        case .critical: "Critical"
+        }
+    }
+
+    var color: Color {
+        switch self {
+        case .low: .blue
+        case .medium: .yellow
+        case .high: .orange
+        case .critical: .red
+        }
+    }
+}