fix: Apply end_context when end/exit is a sequence step

In scenario mode, end and exit were blocked from applying their context
effect because inScenario was still true after the sequence step advanced.
Now explicitly apply handleExitEnd when the sequence step was end or exit.

Author: lykinsbd

ssh_server/handlers/ciscohandlers.go

@@ -80,11 +80,10 @@ func handleShellInput(t *term.Terminal, userInput string, fd *fakedevices.FakeDe
 		return true
 	}
 
-	// Apply context switch if the input matches a context_search key.
-	// Uses starts-with-N-words semantics so "interface Gi0/0/2" matches key "interface".
-	// In scenario mode (active sequence), context switches only fire when the sequence
-	// step was just handled — enforcing strict command ordering.
 	inScenario := seqIdx != nil && *seqIdx < len(sequence)
+
+	// Apply context switch if the input matches a context_search key.
+	// In scenario mode, only fires when the sequence step was just handled.
 	if !inScenario || sequenceHandled {
 		if matchedCtx, ok := matchContextKey(userInput, fd.ContextSearch); ok {
 			t.SetPrompt(devicePrompt(fd, fd.ContextSearch[matchedCtx]))
@@ -93,17 +92,16 @@ func handleShellInput(t *term.Terminal, userInput string, fd *fakedevices.FakeDe
 		}
 	}
 
-	if sequenceHandled {
-		return false
-	}
-
-	if userInput == "exit" {
-		return handleExitEnd(t, userInput, fd, contextState)
+	// exit/end: always apply when sequence step matched; in non-scenario mode always apply;
+	// in scenario mode "end" is blocked unless it was the current step.
+	if userInput == "exit" || userInput == "end" {
+		if sequenceHandled || !inScenario || userInput == "exit" {
+			return handleExitEnd(t, userInput, fd, contextState)
+		}
 	}
 
-	// In scenario mode, "end" is blocked unless it was the current sequence step
-	if userInput == "end" && !inScenario {
-		return handleExitEnd(t, userInput, fd, contextState)
+	if sequenceHandled {
+		return false
 	}
 
 	if userInput == "reset state" {