refactor: retire external vector deployment

scripts/unified-deployment-smoke.sh

@@ -285,12 +285,6 @@ services:
       THT_WS_TASK13_SMOKE_DWH_PORT: "5432"
       THT_WS_TASK13_SMOKE_DWH_USER: task13_reader
       THT_WS_TASK13_SMOKE_DWH_PASSWORD_FILE: /run/secrets/task13-runtime-password
-      THT_WS_TASK13_SMOKE_VECTOR_TRANSPORT: pgvector_direct
-      THT_WS_TASK13_SMOKE_VECTOR_HOST: vector.task13.invalid
-      THT_WS_TASK13_SMOKE_VECTOR_PORT: "5432"
-      THT_WS_TASK13_SMOKE_VECTOR_USER: task13_vector_reader
-      THT_WS_TASK13_SMOKE_VECTOR_PASSWORD_FILE: /run/secrets/task13-runtime-password
-      THT_WS_TASK13_SMOKE_EMBEDDING_BASE_URL: http://$TASK13_LLM_CONTAINER:9000
     labels:
       io.thothii.task13.run: "$TASK13_RUN_ID"
     volumes: !override
@@ -399,12 +393,6 @@ services:
       THT_WS_TASK13_SMOKE_DWH_PORT: "5432"
       THT_WS_TASK13_SMOKE_DWH_USER: task13_reader
       THT_WS_TASK13_SMOKE_DWH_PASSWORD_FILE: /run/secrets/task13-runtime-password
-      THT_WS_TASK13_SMOKE_VECTOR_TRANSPORT: pgvector_direct
-      THT_WS_TASK13_SMOKE_VECTOR_HOST: vector.task13.invalid
-      THT_WS_TASK13_SMOKE_VECTOR_PORT: "5432"
-      THT_WS_TASK13_SMOKE_VECTOR_USER: task13_vector_reader
-      THT_WS_TASK13_SMOKE_VECTOR_PASSWORD_FILE: /run/secrets/task13-runtime-password
-      THT_WS_TASK13_SMOKE_EMBEDDING_BASE_URL: https://embedding.task13.invalid
     labels:
       io.thothii.task13.run: "$TASK13_RUN_ID"
     volumes:
@@ -461,7 +449,7 @@ task13_seed_registry() {
   task13_run_logged "initialize workspace seed" git -C "$TASK13_SEED" init --initial-branch=main
   cat >"$TASK13_SEED/workspaces/task13-smoke.yaml" <<'EOF'
 workspace:
-  schema_version: 2
+  schema_version: 3
   id: task13-smoke
   name: Task 13 Smoke
   language: en
@@ -472,17 +460,14 @@ dwh:
   supported_transports: [postgres_direct]
 semantic_index:
   vector_store:
-    engine: pgvector
-    database: vectors
-    schema: public
-    collection: task13_documents
-    dimensions: 8
+    engine: qdrant
+    collection: task13-smoke
+    dimensions: 1024
     distance: cosine
-    supported_transports: [pgvector_direct]
   embedding:
-    provider: ollama_compatible
-    model: task13-embedding
-    dimensions: 8
+    provider: ollama_internal
+    model: qwen3-embedding:0.6b
+    dimensions: 1024
 llm_policy:
   default: local-qwen/task13-smoke
   allowed: [local-qwen/task13-smoke]