fix(preprocess): reconcile durable DWH generations

harness/tht/cli/lsh_cmd.py

@@ -9,12 +9,9 @@ lsh_app = typer.Typer(help="Indice LSH su valori dei campi (derivato, rigenerabi
 
 
 def _lsh_dir(cfg) -> Path:
-    from tht.jobs.dwh_pipeline import active_generation_dir
+    from tht.jobs.dwh_pipeline import resolve_dwh_snapshot
 
-    active = active_generation_dir(cfg.paths.artifacts.parent)
-    if active is not None:
-        return active
-    return cfg.paths.indexes / "lsh"
+    return resolve_dwh_snapshot(cfg).lsh_dir
 
 
 def _extract_lsh_values(dwh, physical, annotations, limit):

harness/tht/cli/schema_cmd.py

@@ -37,12 +37,9 @@ def _load_config_or_exit(config: Path):
 
 
 def physical_path(cfg) -> Path:
-    from tht.jobs.dwh_pipeline import active_generation_dir
+    from tht.jobs.dwh_pipeline import resolve_dwh_snapshot
 
-    active = active_generation_dir(cfg.paths.artifacts.parent)
-    if active is not None:
-        return active / "physical.yaml"
-    return cfg.paths.artifacts / "mschema" / "physical.yaml"
+    return resolve_dwh_snapshot(cfg).physical
 
 
 def annotations_path(cfg) -> Path:

harness/tht/cli/search_cmd.py

@@ -47,6 +47,9 @@ def search_cmd(
     from tht.search import combined_search
 
     cfg = _load_config_or_exit(config)
+    from tht.jobs.dwh_pipeline import resolve_dwh_snapshot
+
+    dwh_snapshot = resolve_dwh_snapshot(cfg)
     require_vector_cfg(cfg)
     from tht.search.evidence import active_searcher
 
@@ -88,7 +91,7 @@ def search_cmd(
     lsh_hits = None
     try:
         lsh, minhashes, meta = load_index(
-            cfg.paths.indexes / "lsh", name=cfg.database.db_schema
+            dwh_snapshot.lsh_dir, name=cfg.database.db_schema
         )
         hits = query_index(lsh, minhashes, keyword, meta, top_n=top * 3)
         lsh_hits = [(h.table, h.column, h.value, h.score) for h in hits]
@@ -100,12 +103,12 @@ def search_cmd(
             )
 
     if kind == "schema":
-        from tht.cli.schema_cmd import annotations_path, physical_path
+        from tht.cli.schema_cmd import annotations_path
         from tht.mschema.models import Annotations, PhysicalSchema
         from tht.mschema.render import to_mschema_text
         from tht.search import schema_tables
 
-        phys_file = physical_path(cfg)
+        phys_file = dwh_snapshot.physical
         if not phys_file.exists():
             typer.secho(
                 f"ERRORE: {phys_file} non trovato. Esegui prima `tht schema introspect`.",
@@ -241,6 +244,9 @@ def pack_cmd(
     from tht.vectorstore.rest_client import VectorRestError
 
     cfg = _load_config_or_exit(config)
+    from tht.jobs.dwh_pipeline import resolve_dwh_snapshot
+
+    dwh_snapshot = resolve_dwh_snapshot(cfg)
     require_vector_cfg(cfg)
 
     tables: list[dict] = []
@@ -261,10 +267,8 @@ def pack_cmd(
         warnings.append(f"retrieval non disponibile ({e}): prosegui con le ricerche live")
 
     if vec is not None:
-        from tht.cli.schema_cmd import physical_path
-
         descriptions: dict[str, str] = {}
-        phys_file = physical_path(cfg)
+        phys_file = dwh_snapshot.physical
         if phys_file.exists():
             from tht.mschema.models import PhysicalSchema