fix(evidence): bind corpus to workspace identity

harness/tht/cli/preprocess_cmd.py

@@ -113,6 +113,7 @@ def gc_from_config(config: Path, *, dry_run: bool = False):
         pipeline_version="evidence-v1",
         retain_published_generations=cfg.vector.retain_published_generations,
     )
+    pipeline.workspace_id = config.stem.lower().replace(".", "-").replace("_", "-")
     with pipeline.store.writer_lock():
         return pipeline.gc(workspace_root=corpus_root.parent, dry_run=dry_run)
 

harness/tht/cli/search_cmd.py

@@ -53,7 +53,10 @@ def search_cmd(
     require_vector_cfg(cfg)
     from tht.search.evidence import active_searcher
 
-    runtime_searcher = active_searcher(cfg, open_searcher(cfg))
+    runtime_searcher = active_searcher(
+        cfg, open_searcher(cfg),
+        workspace_id=config.stem.lower().replace(".", "-").replace("_", "-"),
+    )
     if kind is not None and kind not in KIND_MAP:
         typer.secho(
             f"ERRORE: --kind sconosciuto: {kind} (validi: {', '.join(KIND_MAP)})",
@@ -260,7 +263,10 @@ def pack_cmd(
     try:
         from tht.search.evidence import active_searcher
 
-        searcher = active_searcher(cfg, open_searcher(cfg))
+        searcher = active_searcher(
+            cfg, open_searcher(cfg),
+            workspace_id=config.stem.lower().replace(".", "-").replace("_", "-"),
+        )
         embedder = make_embedder(cfg.embeddings)
         vec = embedder.embed_query(question)
     except degrade as e: