[tae898]

Closes #151

codec.loads now returns json.loads(text) when the reply text does not contain the escaped tag \u0001, and keeps the hook path otherwise. NativeCodec.quote escapes every character below 0x20, so a tagged value always puts that escape in the text: the shortcut can never skip a tagged value. A false positive (a string or a key that merely contains U+0001) only takes the existing hook path.

Measurements are in #151 (untimed micro-benchmark on the laptop measurement lane): about 1 us less per one-row reply, 2.315 us with the hook against 1.329 us without. Who it serves: users of the default arcadedb (native) package doing point and small range reads. No API change.

Tests (tests/test_native_codec_loads.py, pure codec, no database):

• tag-free replies of 0, 1, 1000 rows and every JSON value kind decode equal to the hook path;
• the hook is not called for a tag-free reply (fails on main, where loads always calls _hook);
• the float-tail argument does not change a tag-free reply;
• a tagged date is still restored, a string holding U+0001 comes back unchanged, a column named like the tag is kept.

The end-to-end transport tests (test_native_result_transport.py and the rest of the suite) run on every leg in CI.

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