fix(api): package /content into the image so npc content resolves

.dockerignore

@@ -2,6 +2,7 @@
 .claude
 client
 content
+!content
 docs/*
 !docs/schemas
 **/__pycache__

api/Dockerfile

@@ -17,6 +17,7 @@ RUN pip install --no-cache-dir -r requirements.txt
 COPY api/app ./app
 COPY api/prompts ./prompts
 COPY docs/schemas ./schemas
+COPY content ./content
 
 # Run as non-root.
 RUN useradd --create-home --uid 1000 appuser

docker-compose.yml

@@ -26,5 +26,6 @@ services:
       - ./api/app:/app/app:ro
       - ./api/prompts:/app/prompts:ro
       - ./docs/schemas:/app/schemas:ro
+      - ./content:/app/content:ro
     command: >
       uvicorn app.main:app --host 0.0.0.0 --port 8000 --reload