fix: improve snowflake ID test with explicit large ID and clearer naming

Address Copilot review feedback:
- Test with actual snowflake-sized ID (420533451316027392) and assert exact match
- Remove unused variables and rename test to reflect what it verifies

Author: ManukMinasyan

tests/Feature/SnowflakeIdPrecisionTest.php

@@ -17,32 +17,26 @@
     test('formatBoardRecord casts record ID to string to prevent JS precision loss', function () {
         $task = Task::factory()->todo()->withPosition('65535.0000000000')->create();
 
+        // Use a snowflake-like ID above Number.MAX_SAFE_INTEGER to exercise precision edge case
+        $task->id = 420533451316027392;
+
         $board = app(TestBoard::class)->getBoard();
         $formatted = $board->formatBoardRecord($task);
 
         // The ID must be a string so @js() emits a JSON string ("123") not a number (123)
         // This prevents JavaScript precision loss for large IDs like snowflakes
         expect($formatted['id'])->toBeString();
+        expect($formatted['id'])->toBe('420533451316027392');
     });
 
-    test('card blade renders recordKey as string in wire:click for large IDs', function () {
-        $task = Task::factory()->todo()->withPosition('65535.0000000000')->create();
-
-        // Simulate what @js() does: json_encode the record ID
-        // If ID is an integer, json_encode produces a number literal which JS truncates
-        $idAsInt = (int) $task->id;
-        $jsonFromInt = json_encode(['recordKey' => $idAsInt]);
-
-        // If ID is a string, json_encode produces a quoted string which JS preserves
-        $idAsString = (string) $task->id;
-        $jsonFromString = json_encode(['recordKey' => $idAsString]);
-
+    test('json_encode emits quoted recordKey for large string IDs', function () {
         // For a snowflake like 420533451316027392:
         // json_encode(int)    -> {"recordKey":420533451316027392}  <- JS reads as 420533451316027400 (WRONG)
         // json_encode(string) -> {"recordKey":"420533451316027392"} <- JS reads correctly
         $snowflakeId = 420533451316027392;
-        $jsonSnowflakeInt = json_encode(['recordKey' => $snowflakeId]);
+
         $jsonSnowflakeStr = json_encode(['recordKey' => (string) $snowflakeId]);
+        $jsonSnowflakeInt = json_encode(['recordKey' => $snowflakeId]);
 
         // The string version wraps in quotes, preserving exact value
         expect($jsonSnowflakeStr)->toContain('"420533451316027392"');