Stabilize beta release with warning cleanup and edge-case fixes

SportsTimeTests/Services/PollServiceTests.swift

@@ -48,6 +48,14 @@ struct PollErrorTests {
         #expect(error.errorDescription!.lowercased().contains("owner"))
     }
 
+    /// - Expected Behavior: notVoteOwner explains vote ownership requirement
+    @Test("errorDescription: notVoteOwner mentions owner")
+    func errorDescription_notVoteOwner() {
+        let error = PollError.notVoteOwner
+        #expect(error.errorDescription != nil)
+        #expect(error.errorDescription!.lowercased().contains("owner"))
+    }
+
     /// - Expected Behavior: networkUnavailable explains connection issue
     @Test("errorDescription: networkUnavailable mentions connection")
     func errorDescription_networkUnavailable() {
@@ -83,6 +91,7 @@ struct PollErrorTests {
             .pollNotFound,
             .alreadyVoted,
             .notPollOwner,
+            .notVoteOwner,
             .networkUnavailable,
             .encodingError,
             .unknown(NSError(domain: "", code: 0))
@@ -102,6 +111,7 @@ struct PollErrorTests {
             .pollNotFound,
             .alreadyVoted,
             .notPollOwner,
+            .notVoteOwner,
             .networkUnavailable,
             .encodingError
         ]