Complete legacy operator UI and playout migration

tests/Web/playout-safety.test.cjs

@@ -48,6 +48,32 @@ test("TAKE IN and TAKE OUT preserve the native state prerequisites", () => {
     null);
 });
 
+test("legacy F8 chooses exactly one safe PREPARE or TAKE IN action", () => {
+  assert.equal(
+    safety.legacyTakeInShortcutAction(ready({ takeInAllowed: true })),
+    "prepare-then-take-in");
+  assert.equal(
+    safety.legacyTakeInShortcutAction(ready({
+      takeInAllowed: true,
+      engineState: "PREPARED",
+      preparedCode: "5001"
+    })),
+    "take-in");
+  assert.equal(
+    safety.legacyTakeInShortcutAction(ready({
+      takeInAllowed: true,
+      engineState: "PROGRAM",
+      onAirCode: "5001"
+    })),
+    "next-required");
+  assert.equal(
+    safety.legacyTakeInShortcutAction(ready({ takeInAllowed: false })),
+    "take-in-locked");
+  assert.equal(
+    safety.legacyTakeInShortcutAction(ready({ takeInAllowed: true, pending: true })),
+    "blocked");
+});
+
 test("Refresh faults block mutations but preserve emergency TAKE OUT", () => {
   const faulted = ready({
     refreshFaulted: true,