28-ref-composition.vvm

# VVM Example 28: Ref Composition (Filesystem State Mode)
# Demonstrates basic ref passing between agents.
# In filesystem mode, research returns a ref value, not the full text.
# The writer receives the ref and reads the file if needed.

agent researcher(
  model="sonnet",
  prompt="Research topics thoroughly with citations."
)

agent writer(
  model="sonnet",
  prompt="Write clear, well-structured reports."
)

# Input topic
topic = "quantum computing applications in cryptography"

# Research phase - returns ref value in filesystem mode
research = @researcher `Research {topic}. Include:
- Current state of the field
- Key breakthroughs
- Practical applications
- Future directions`(topic)

# Writing phase - receives ref, reads file if full content needed
report = @writer `Write a comprehensive report using this research.
Structure with introduction, body sections, and conclusion.`(research)

export report