feat(evidence): add filesystem and HTTP sources

harness/tht/adapters/factory.py

@@ -1,6 +1,7 @@
 """Central construction of deployment-specific adapters."""
 
 from tht.adapters.dwh import PostgresDwhAdapter, ThothRestDwhAdapter
+from tht.adapters.evidence import FilesystemEvidenceSource, HttpManifestEvidenceSource
 from tht.adapters.vector import PgVectorStore, ThothHttpVectorStore
 from tht.config import Config, ConfigError
 from tht.db.connection import make_engine
@@ -86,4 +87,37 @@ def build_vector_loader(cfg: Config, collection: str):
     )
 
 
-__all__ = ["build_dwh", "build_vector_loader", "build_vector_store"]
+def build_evidence_sources(cfg: Config):
+    """Build configured Evidence sources, including the legacy curated filesystem tree."""
+    evidence = cfg.evidence
+    if evidence is None:
+        return []
+    sources = []
+    if evidence.source_root is not None:
+        sources.append(FilesystemEvidenceSource(evidence.source_root / evidence.evidence_dir))
+    for resource in evidence.sources:
+        match resource.type:
+            case "filesystem":
+                sources.append(
+                    FilesystemEvidenceSource(
+                        resource.root,
+                        patterns=resource.patterns,
+                        max_bytes=resource.max_bytes,
+                    )
+                )
+            case "http":
+                sources.append(
+                    HttpManifestEvidenceSource(
+                        [url.get_secret_value() for url in resource.urls],
+                        connect_timeout=resource.connect_timeout,
+                        read_timeout=resource.read_timeout,
+                        max_bytes=resource.max_bytes,
+                        max_redirects=resource.max_redirects,
+                    )
+                )
+            case other:  # pragma: no cover - Pydantic rejects unsupported discriminators.
+                raise ConfigError(f"Adapter evidence non supportato: {other}")
+    return sources
+
+
+__all__ = ["build_dwh", "build_evidence_sources", "build_vector_loader", "build_vector_store"]