feat: harden runtime readiness and session workflow

harness/tht/cli/search_cmd.py

@@ -5,6 +5,7 @@ import typer
 
 from tht.cli.config_cmd import CONFIG_OPT
 from tht.cli.schema_cmd import _load_config_or_exit
+from tht.config import workspace_id_from_path
 
 KIND_MAP = {
     "evidence": ["evidence"],
@@ -59,7 +60,7 @@ def search_cmd(
     cfg = _load_config_or_exit(config)
     from tht.search.evidence import validate_corpus_workspace
 
-    workspace_id = config.stem.lower().replace(".", "-").replace("_", "-")
+    workspace_id = workspace_id_from_path(config)
     validate_corpus_workspace(cfg, workspace_id)
     dwh_snapshot = _leased_dwh_snapshot(cfg, ctx)
     require_vector_cfg(cfg)
@@ -254,6 +255,7 @@ def pack_cmd(
     from sqlalchemy.exc import OperationalError
 
     from tht.cli.vector_cmd import make_embedder, open_searcher, require_vector_cfg
+    from tht.ports.vector import VectorReadUnavailable
     from tht.search import combined_search, schema_tables
     from tht.solved import SOLVED_KIND
     from tht.vectorstore.embeddings import EmbeddingsError
@@ -262,7 +264,7 @@ def pack_cmd(
     cfg = _load_config_or_exit(config)
     from tht.search.evidence import validate_corpus_workspace
 
-    workspace_id = config.stem.lower().replace(".", "-").replace("_", "-")
+    workspace_id = workspace_id_from_path(config)
     validate_corpus_workspace(cfg, workspace_id)
     dwh_snapshot = _leased_dwh_snapshot(cfg, ctx)
     require_vector_cfg(cfg)
@@ -271,7 +273,7 @@ def pack_cmd(
     evidence: list[dict] = []
     solved: list[dict] = []
     warnings: list[str] = []
-    degrade = (VectorRestError, EmbeddingsError, OperationalError)
+    degrade = (VectorRestError, VectorReadUnavailable, EmbeddingsError, OperationalError)
 
     vec = None
     searcher = embedder = None