fix: accept -p and -t in every tool

verify, generate_pack and cross_reference took -p and -t, slots, generate_truth, diff_truth, export_native and refresh_data_dirs refused them. A test reads every add_argument call.

scripts/diff_truth.py

@@ -182,7 +182,7 @@ def main() -> None:
     group.add_argument(
         "--all", action="store_true", help="diff all registered platforms"
     )
-    group.add_argument("--platform", type=platform_arg, help="diff a single platform")
+    group.add_argument("--platform", "-p", type=platform_arg, help="diff a single platform")
     # One output form: --json beside --format markdown printed JSON and
     # dropped the markdown without a word.
     output = parser.add_mutually_exclusive_group()
@@ -207,7 +207,7 @@ def main() -> None:
         help="platform YAML directory (default: %(default)s)",
     )
     parser.add_argument(
-        "--target",
+        "--target", "-t",
         help="read the models generate_truth --target wrote, each under the "
         "target as its platform files it",
     )

scripts/export_native.py

@@ -857,7 +857,7 @@ def main() -> None:
     )
     group = parser.add_mutually_exclusive_group(required=True)
     group.add_argument("--all", action="store_true", help="every platform")
-    group.add_argument("--platform", type=platform_arg, help="a single platform")
+    group.add_argument("--platform", "-p", type=platform_arg, help="a single platform")
     parser.add_argument(
         "--output-dir", default="exports",
         help="directory the updated platform files go to (default: %(default)s)",

scripts/generate_truth.py

@@ -43,7 +43,7 @@ def parse_args(argv: list[str] | None = None) -> argparse.Namespace:
     )
     group = parser.add_mutually_exclusive_group(required=True)
     group.add_argument("--all", action="store_true", help="all registered platforms")
-    group.add_argument("--platform", type=platform_arg, help="single platform name")
+    group.add_argument("--platform", "-p", type=platform_arg, help="single platform name")
     parser.add_argument(
         "--output-dir",
         default=DEFAULT_OUTPUT_DIR,

scripts/refresh_data_dirs.py

@@ -576,7 +576,9 @@ def main() -> None:
     parser.add_argument(
         "--dry-run", action="store_true", help="Preview without downloading"
     )
-    parser.add_argument("--platform", type=platform_arg, help="Only refresh entries for this platform")
+    parser.add_argument(
+        "--platform", "-p", type=platform_arg, help="Only refresh entries for this platform"
+    )
     parser.add_argument(
         "--registry", default=DEFAULT_REGISTRY, help="Path to _data_dirs.yml"
     )

scripts/slots.py

@@ -897,7 +897,7 @@ def main() -> int:
         "the file a platform baseline would ship.",
     )
     parser.add_argument(
-        "--platform", type=platform_arg,
+        "--platform", "-p", type=platform_arg,
         help="one platform instead of all",
     )
     parser.add_argument(
@@ -918,7 +918,7 @@ def main() -> int:
         help="with all platforms, the archived ones too (RetroPie)",
     )
     parser.add_argument(
-        "--target", help="judge only the cores a hardware target builds",
+        "--target", "-t", help="judge only the cores a hardware target builds",
     )
     parser.add_argument(
         "--strict",