Create snap-pipeline.yaml orchestrator recipe

[BryanChasko]

Agent Task

Agent: stratia-gander-arch
Depends on: Create snap-ingest.yaml sub-recipe, Create snap-classify.yaml sub-recipe, Create snap-reconstruct.yaml sub-recipe
Branch: feat/snap-pipeline-orchestrator
Source: specs/marvel-snap-pipeline/tasks.md

Acceptance Criteria

• Orchestrator invokes sub-recipes in sequence: ingest → classify → reconstruct
• Passes CSWR through the chain
• Lead model: qwen-reason, worker: llama3.1:8b
• Mounts all MCP extensions needed by sub-recipes

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Generated from specs/marvel-snap-pipeline/tasks.md by generate-task-issues.py