Fix get_account: split query for with/without token parameter

The daemon now requires $token as non-nullable when declared.
Use GET_ACCOUNT (no token variable) by default and
GET_ACCOUNT_WITH_TOKEN only when token_id is provided.

Same pattern as pooled_user_commands fix.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: dkijania

src/mina_sdk/daemon/client.py

@@ -221,11 +221,16 @@ def get_account(
         Raises:
             ValueError: If the account does not exist on the ledger.
         """
-        variables: dict[str, Any] = {"publicKey": public_key}
         if token_id is not None:
-            variables["token"] = token_id
-
-        data = self._request(queries.GET_ACCOUNT, variables=variables, query_name="get_account")
+            variables: dict[str, Any] = {"publicKey": public_key, "token": token_id}
+            data = self._request(
+                queries.GET_ACCOUNT_WITH_TOKEN, variables=variables, query_name="get_account"
+            )
+        else:
+            variables = {"publicKey": public_key}
+            data = self._request(
+                queries.GET_ACCOUNT, variables=variables, query_name="get_account"
+            )
         acc = data.get("account")
         if acc is None:
             raise ValueError(f"account not found: {public_key}")

src/mina_sdk/daemon/queries.py

@@ -31,7 +31,23 @@
 """
 
 GET_ACCOUNT = """
-query ($publicKey: PublicKey!, $token: UInt64) {
+query ($publicKey: PublicKey!) {
+    account(publicKey: $publicKey) {
+        publicKey
+        nonce
+        delegate
+        tokenId
+        balance {
+            total
+            liquid
+            locked
+        }
+    }
+}
+"""
+
+GET_ACCOUNT_WITH_TOKEN = """
+query ($publicKey: PublicKey!, $token: UInt64!) {
     account(publicKey: $publicKey, token: $token) {
         publicKey
         nonce