feat(patterns): merge pattern styles and add mode support

Consolidate legacy pattern ids into meteor, particles, sparkle, chase,
and colour_cycle with n6/mode style selection; add pattern_modes helper,
self-contained tests/all.py, and preset mode alias on wire.

Co-authored-by: Cursor <cursoragent@cursor.com>

dev.py

@@ -67,27 +67,9 @@ for cmd in sys.argv[1:]:
                 print("Error: Port required for 'db' command")
         case "test":
             if port:
-                if "all" in sys.argv[1:]:
-                    test_files = sorted(
-                        str(path)
-                        for path in Path("test").rglob("*.py")
-                        if path.is_file()
-                    )
-                    failed = []
-                    for test_file in test_files:
-                        print(f"Running {test_file}")
-                        code = subprocess.call(
-                            [*mpremote_base(), "connect", port, "run", test_file]
-                        )
-                        if code != 0:
-                            failed.append((test_file, code))
-                    if failed:
-                        print("Some tests failed:")
-                        for test_file, code in failed:
-                            print(f"  {test_file} (exit {code})")
-                else:
-                    subprocess.call(
-                        [*mpremote_base(), "connect", port, "run", "test/all.py"]
-                    )
+                # Single self-contained suite (tests/all.py); requires ``src`` on device first.
+                subprocess.call(
+                    [*mpremote_base(), "connect", port, "run", "tests/all.py"]
+                )
             else:
                 print("Error: Port required for 'test' command")