feat: add unit tests, Docker polish, and workbench UX improvements

Unit tests: Consumer class (7), recursive-splitter (10), parseJsonResponse (11) — 28 total.
Docker: add 5 commented LLM provider services, dev compose override, .env.example.
Workbench: chat persistence, error boundary, disconnect banner, prompts error handling.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ts/deploy/.env.example

@@ -1,10 +1,24 @@
-# LLM API Keys
+# LLM Provider API Keys (set the one matching your active text-completion service)
 OPENAI_TOKEN=
+OPENAI_BASE_URL=
 CLAUDE_KEY=
+AZURE_TOKEN=
+AZURE_ENDPOINT=
+AZURE_MODEL=gpt-4o
+AZURE_API_VERSION=2024-02-15-preview
+OLLAMA_MODEL=gemma3:4b
+OPENAI_COMPAT_URL=http://localhost:1234/v1
+OPENAI_COMPAT_MODEL=default
+OPENAI_COMPAT_KEY=
+MISTRAL_TOKEN=
+MISTRAL_MODEL=ministral-8b-latest
 
 # Gateway
-GATEWAY_SECRET=
 GATEWAY_PORT=8088
+GATEWAY_SECRET=
+
+# Workbench
+WORKBENCH_PORT=3001
 
 # Grafana
 GF_SECURITY_ADMIN_PASSWORD=admin

ts/deploy/docker-compose.dev.yml

@@ -29,6 +29,19 @@ services:
       - ./loki/loki-config.yml:/etc/loki/local-config.yaml
       - loki-data:/tmp/loki
 
+  # Override text-completion to use Ollama (no API key needed for local dev)
+  text-completion:
+    command: ["node", "entrypoints/text-completion-ollama.mjs"]
+    environment:
+      - NATS_URL=nats://nats:4222
+      - OLLAMA_URL=http://ollama:11434
+      - OLLAMA_MODEL=${OLLAMA_MODEL:-gemma3:4b}
+    depends_on:
+      nats:
+        condition: service_healthy
+      ollama:
+        condition: service_started
+
   # NATS CLI tools for debugging
   nats-cli:
     image: natsio/nats-box:latest

ts/deploy/docker-compose.yml

@@ -469,3 +469,81 @@ services:
     networks:
       - trustgraph
     restart: unless-stopped
+
+  # ---------------------------------------------------------------------------
+  # Alternative LLM Providers (uncomment one to use instead of text-completion)
+  # ---------------------------------------------------------------------------
+
+  # text-completion-ollama:
+  #   image: trustgraph-ts:local
+  #   command: ["node", "entrypoints/text-completion-ollama.mjs"]
+  #   environment:
+  #     - NATS_URL=nats://nats:4222
+  #     - OLLAMA_URL=http://ollama:11434
+  #     - OLLAMA_MODEL=${OLLAMA_MODEL:-gemma3:4b}
+  #   depends_on:
+  #     nats:
+  #       condition: service_healthy
+  #     ollama:
+  #       condition: service_started
+  #   networks:
+  #     - trustgraph
+  #   restart: unless-stopped
+
+  # text-completion-claude:
+  #   image: trustgraph-ts:local
+  #   command: ["node", "entrypoints/text-completion-claude.mjs"]
+  #   environment:
+  #     - NATS_URL=nats://nats:4222
+  #     - CLAUDE_KEY=${CLAUDE_KEY:-}
+  #   depends_on:
+  #     nats:
+  #       condition: service_healthy
+  #   networks:
+  #     - trustgraph
+  #   restart: unless-stopped
+
+  # text-completion-azure-openai:
+  #   image: trustgraph-ts:local
+  #   command: ["node", "entrypoints/text-completion-azure-openai.mjs"]
+  #   environment:
+  #     - NATS_URL=nats://nats:4222
+  #     - AZURE_TOKEN=${AZURE_TOKEN:-}
+  #     - AZURE_ENDPOINT=${AZURE_ENDPOINT:-}
+  #     - AZURE_MODEL=${AZURE_MODEL:-gpt-4o}
+  #     - AZURE_API_VERSION=${AZURE_API_VERSION:-2024-02-15-preview}
+  #   depends_on:
+  #     nats:
+  #       condition: service_healthy
+  #   networks:
+  #     - trustgraph
+  #   restart: unless-stopped
+
+  # text-completion-openai-compatible:
+  #   image: trustgraph-ts:local
+  #   command: ["node", "entrypoints/text-completion-openai-compatible.mjs"]
+  #   environment:
+  #     - NATS_URL=nats://nats:4222
+  #     - OPENAI_COMPAT_URL=${OPENAI_COMPAT_URL:-http://localhost:1234/v1}
+  #     - OPENAI_COMPAT_MODEL=${OPENAI_COMPAT_MODEL:-default}
+  #     - OPENAI_COMPAT_KEY=${OPENAI_COMPAT_KEY:-}
+  #   depends_on:
+  #     nats:
+  #       condition: service_healthy
+  #   networks:
+  #     - trustgraph
+  #   restart: unless-stopped
+
+  # text-completion-mistral:
+  #   image: trustgraph-ts:local
+  #   command: ["node", "entrypoints/text-completion-mistral.mjs"]
+  #   environment:
+  #     - NATS_URL=nats://nats:4222
+  #     - MISTRAL_TOKEN=${MISTRAL_TOKEN:-}
+  #     - MISTRAL_MODEL=${MISTRAL_MODEL:-ministral-8b-latest}
+  #   depends_on:
+  #     nats:
+  #       condition: service_healthy
+  #   networks:
+  #     - trustgraph
+  #   restart: unless-stopped