Add 'Move to Active' button on completed sessions

Packages/CrowCore/Sources/CrowCore/AppState.swift

@@ -190,6 +190,9 @@ public final class AppState {
     /// Called to update session status to .inReview (persists to store).
     public var onSetSessionInReview: ((UUID) -> Void)?
 
+    /// Called to update session status back to .active (persists to store).
+    public var onSetSessionActive: ((UUID) -> Void)?
+
     /// Whether a given session is currently being marked as "In Review" (loading state).
     /// Must be cleaned up when a session is deleted (see `SessionService.deleteSession`).
     public var isMarkingInReview: [UUID: Bool] = [:]

Packages/CrowUI/Sources/CrowUI/SessionDetailView.swift

@@ -176,6 +176,18 @@ public struct SessionDetailView: View {
                         .tint(CorveilTheme.gold)
                     }
 
+                    if session.status == .completed {
+                        Button {
+                            appState.onSetSessionActive?(session.id)
+                        } label: {
+                            Label("Move to Active", systemImage: "arrow.uturn.backward.circle")
+                                .font(.caption)
+                        }
+                        .buttonStyle(.bordered)
+                        .controlSize(.small)
+                        .tint(CorveilTheme.gold)
+                    }
+
                     Button(role: .destructive) {
                         sessionToDelete = session
                     } label: {

Sources/Crow/App/AppDelegate.swift

@@ -154,6 +154,9 @@ final class AppDelegate: NSObject, NSApplicationDelegate {
         appState.onSetSessionInReview = { [weak service] id in
             service?.setSessionInReview(id: id)
         }
+        appState.onSetSessionActive = { [weak service] id in
+            service?.setSessionActive(id: id)
+        }
 
         appState.onLaunchClaude = { [weak service] terminalID in
             service?.launchClaude(terminalID: terminalID)

Sources/Crow/App/SessionService.swift

@@ -911,6 +911,10 @@ final class SessionService {
         updateSessionStatus(id, to: .inReview)
     }
 
+    func setSessionActive(id: UUID) {
+        updateSessionStatus(id, to: .active)
+    }
+
     // MARK: - Persist Current State
 
     /// Sync all in-memory state back to the JSON store on disk.