feat(ingest): resolve project labels with Jev

.env.example

@@ -1,2 +1,17 @@
 OPENROUTER_API_KEY=
 OPENROUTER_JEV_MODEL=typesafe/jev-1.13
+# Optional: enable local semantic search and label candidate retrieval on the GEWU host.
+# Point these at an already-installed local model; GEWU does not download weights at startup.
+# GEWU_EMBEDDING_MODEL_PATH=/srv/gewu/models/multilingual-e5-small
+# GEWU_EMBEDDING_MODEL_SHA256=
+# GEWU_EMBEDDING_MODEL_ID=intfloat/multilingual-e5-small@614241f622f53c4eeff9890bdc4f31cfecc418b3
+# GEWU_EMBEDDING_DIMENSIONS=384
+# Label additions require Jev plus local embeddings and a decisive top-N new-label judgment.
+# Defaults: tags top 5; audience/use_for/domain top 3 each; fit >= .90; new-label probability >= .90; choice confidence >= .80.
+# GEWU_FACET_LABEL_TOP_N_TAGS=5
+# GEWU_FACET_LABEL_TOP_N_AUDIENCE=3
+# GEWU_FACET_LABEL_TOP_N_USE_FOR=3
+# GEWU_FACET_LABEL_TOP_N_DOMAIN=3
+# GEWU_FACET_LABEL_FIT_THRESHOLD=0.90
+# GEWU_FACET_LABEL_NEW_THRESHOLD=0.90
+# GEWU_FACET_LABEL_CONFIDENCE_THRESHOLD=0.80