feat: complete catalog-driven preprocessing

deploy/compose.local.yaml

@@ -2,7 +2,7 @@ services:
   core:
     environment:
       NODE_ENV: development
-      THT_WORKSPACE_INSTALLATION_ID: local
+      THT_WORKSPACE_INSTALLATION_ID: ${THT_WORKSPACE_INSTALLATION_ID:-local}
     ports:
       - "127.0.0.1:${THOTH_CORE_HTTP_PORT:-8787}:8787"
     restart: "no"
@@ -14,7 +14,7 @@ services:
 
   workspace-maintenance:
     environment:
-      THT_WORKSPACE_INSTALLATION_ID: local
+      THT_WORKSPACE_INSTALLATION_ID: ${THT_WORKSPACE_INSTALLATION_ID:-local}
     restart: "no"
 
   # Local development only: expose the built-in Qdrant web dashboard on loopback.

deploy/workspaces/example.yaml

@@ -2,18 +2,11 @@ workspace:
   schema_version: 4
   id: example
   name: Example workspace
-  description: Generic example WorkspaceV4 descriptor.
+  description: Database-free WorkspaceV4 descriptor; PostgreSQL Catalog owns database metadata.
   language: en
 
-dwh:
-  engine: postgres
-  database: postgres
-  schema: datawarehouse
-  supported_transports:
-    - postgres_direct
-    - rest_api
-
 evidence:
+  schema_version: 1
   source:
     type: filesystem
     uri: example/evidence
@@ -23,12 +16,3 @@ evidence:
   policy:
     max_chunk_chars: 4000
     retain_published_generations: 3
-
-diagnostics:
-  dwh_rest:
-    method: GET
-    path: /health
-    auth: none
-    response:
-      database: database
-      schema: schema

deploy/workspaces/psd.yaml.example

@@ -5,14 +5,6 @@ workspace:
   description: Example WorkspaceV4 descriptor.
   language: en
 
-dwh:
-  engine: postgres
-  database: postgres
-  schema: datawarehouse
-  supported_transports:
-    - postgres_direct
-    - rest_api
-
 evidence:
   source:
     type: filesystem
@@ -23,12 +15,3 @@ evidence:
   policy:
     max_chunk_chars: 4000
     retain_published_generations: 3
-
-diagnostics:
-  dwh_rest:
-    method: GET
-    path: /health
-    auth: none
-    response:
-      database: database
-      schema: schema

deploy/workspaces/server-sessions.yaml.example

@@ -1,17 +1,7 @@
-# Copy to deploy/workspaces/server-sessions.yaml for the user-owned-session server profile.
-# The runtime login is intentionally separate from the one-shot migrator login.
+# Installation runtime template for the user-owned-session server profile.
+# Workspace database bindings and metadata are injected from the PostgreSQL Catalog.
 language: en
 
-dwh:
-  type: thoth_rest
-  database:
-    database: ${THT_DB_NAME}
-    schema: datawarehouse
-  endpoint:
-    base_url: ${THT_DWH_REST_URL}
-    api_key: ${THT_DWH_API_KEY}
-    ssl_ca: ${THT_SSL_CA}
-
 session_storage:
   type: postgres_direct
   connection: