# Portrait pipeline: generate base character → emotion variants → remove bg → upscale.
#
# Usage:
#   vnasset pipeline --config examples/portrait.yaml
#   vnasset pipeline --config examples/portrait.yaml --force   # re-run everything
#
# Output structure:
#   output/portrait_pipeline/
#     pipeline.json          ← pipeline summary
#     base/                  ← stage 1: generated portraits
#       heroine.png
#       heroine.json
#     expressions/           ← stage 2: emotion edits (cross-product)
#       heroine_smile.png
#       heroine_smile.json
#       heroine_angry.png
#       ...
#     nobg/                  ← stage 3: background removed (RGBA)
#       heroine_smile_nobg.png
#       ...
#     final/                 ← stage 4: upscaled 2×
#       heroine_smile_nobg_x2.png
#       ...

session:
  sdxl_checkpoint: models/novaAnimeXL_ilV190.safetensors
  edit_model: models/qwen_image_edit_2509_fp8_e4m3fn.safetensors
  edit_lora: models/Qwen-Image-Edit-2509-Lightning-4steps-V1.0-bf16.safetensors

output_dir: output/portrait_pipeline

defaults:
  generate:
    steps: 20
    cfg: 4.5
    negative_prompt: "deformed, ugly, bad quality, lowres"
  edit:
    steps: 4
    cfg: 1.0

stages:
  # ── Stage 1: Generate base character portrait ──
  - id: base
    generate:
      - id: heroine
        prompt: "1girl, solo, red hair, glasses, blue eyes, white crop top, standing, portrait"
        seed: 42

  # ── Stage 2: Edit expression variants (fan-out cross-product) ──
  - id: expressions
    edit:
      input: base
      prompts:
        - id: smile
          text: "make her smile happily with a warm genuine smile"
        - id: angry
          text: "make her look angry and furious, furrowed brow"
        - id: sad
          text: "make her look sad and crying, tears in her eyes"
        - id: surprised
          text: "make her look surprised, wide eyes, mouth slightly open"
        - id: blushing
          text: "make her blush intensely, embarrassed expression, pink cheeks"

  # ── Stage 3: Remove backgrounds (batch 1:1 passthrough) ──
  - id: nobg
    remove_bg:
      input: expressions

  # ── Stage 4: Upscale to 2× resolution ──
  - id: final
    upscale:
      input: nobg
      scale: 2