refactor(evidence): remove legacy Python layout (#31)

harness/tests/test_registry_evidence_config.py

@@ -6,8 +6,8 @@ import yaml
 from pydantic import SecretStr
 from typer.testing import CliRunner
 
-from tht.adapters.evidence import HttpManifestEvidenceSource
-from tht.adapters.factory import build_evidence_sources
+from tht.evidence.adapters import HttpManifestEvidenceSource
+from tht.evidence import build_sources
 from tht.cli import app
 from tht.config import ConfigError, load_config
 
@@ -108,7 +108,7 @@ def test_signed_http_file_resolves_in_memory_and_preserves_provenance_order(tmp_
     assert_no_canaries(repr(cfg))
     assert_no_canaries(cfg.model_dump_json())
 
-    adapter = build_evidence_sources(cfg)[0]
+    adapter = build_sources(cfg.evidence)[0]
     assert isinstance(adapter, HttpManifestEvidenceSource)
     assert_no_canaries(repr(adapter))