feat: add aichelberg-indians pipeline and rebuild RECIPES.md

Replace the verbose recipe catalog with a compact agent reference (modules,
ImageMagick ops, G'MIC commands, combines) and add the Indians Aichelberg
tone-mapping pipeline with gmic variants and xcf export.

Co-authored-by: Cursor <cursoragent@cursor.com>

pipelines/pipeline_aichelberg_indians.py

@@ -0,0 +1,278 @@
+#!/usr/bin/env python3
+"""Aichelberg Indians pipeline — tone mapping, gmic variants, xcf export."""
+
+from pathlib import Path
+
+from imagepipeline import Pipeline
+
+INPUT = Path(
+    "/home/frank/pics/20260712_Aichelberg Indians - Heidelberg Hedgehogs/darktable_exported"
+)
+OUTPUT_BASE = Path.home() / "pipeline_output"
+
+EXISTING_OUTPUTS: dict[str, Path] = {}
+CONTINUE_FROM = Path("/home/frank/pipeline_output/aichelberg-indians_260713081414")
+
+COLOR1 = "#244a89"
+COLOR2 = "#c22518"
+
+# COLOR1 = #244a89 -> 36,74,137; COLOR2 = #c22518 -> 194,37,24
+ALPHA1 = 160
+ALPHA2 = 110
+
+GMIC_TONE_MAPPING = "-fx_map_tones 0.5,0.7,0.1,30,0"
+GMIC_FELTPEN = "-fx_feltpen 300,50,1,0.1,20,5"
+GMIC_EDGES = "-fx_edges 0,15,0"
+GMIC_CHARRED_PLASTIC = "-fx_charred_plastic 1,10,40,1,10,0,0,2,6,5,20,0,11"
+GMIC_NEON = (
+    "-fx_neon 0,1,1,1,1,0,0.45,40,60,0,1,1.15,2,3,0,3,20,0.4,0.1,1.5,5,0.2,0.1,"
+    "1,2,1,0,0,1,1,0,50,50"
+)
+GMIC_CUTOUT = "-fx_cutout 4,0.5,4,1"
+GMIC_HUFFMAN_GLITCHES = "-fx_huffman_glitches 30,0,25,0,0,0,0,0,50,50"
+GMIC_QUERYPRIMARY = "-afre_queryprimary 1,1"
+GMIC_LOCAL_SIMILARITY = "-local_similarity_mask 50,50,50,128,4,10"
+GMIC_LUMA_INVERT = "-Lylejk_Luma_Invert 1,0"
+GMIC_CRAYONGRAFFITI = "-fx_crayongraffiti2 300,50,1,0.4,12,1,2,2,0"
+GMIC_ANAGLYPH = "-fx_stereo_to_anaglyph 2,0"
+GMIC_DROP_SHADOW = "-fx_drop_shadow3d 0,0,0,10,1,1,2,0.5,194,37,24,200,0"
+GMIC_BOKEH = (
+    f"-fx_bokeh 3,5,0,30,8,4,0.3,0.2,36,74,137,{ALPHA1},0.7,30,20,20,1,2,"
+    f"194,37,24,{ALPHA2},0.15"
+)
+
+
+def main() -> None:
+    with Pipeline(
+        name="aichelberg-indians",
+        input_dir=INPUT,
+        output_base=OUTPUT_BASE,
+        existing_outputs=EXISTING_OUTPUTS or None,
+        continue_from=CONTINUE_FROM,
+    ) as p:
+        rembg_out = p.step("rembg", inputs="input", step_id="rembg_out")
+
+        # recipe: gmic-tone-mapping
+        input_tone_map = p.step(
+            "gmic", inputs="input", command=GMIC_TONE_MAPPING, step_id="input_tone_map"
+        )
+
+        # recipe: gmic-tone-mapping-rembg
+        rembg_tone_map = p.step(
+            "gmic", inputs=rembg_out, command=GMIC_TONE_MAPPING, step_id="rembg_tone_map"
+        )
+
+        # recipe: gmic-feltpen-rembg
+        rembg_feltpen = p.step(
+            "gmic", inputs=rembg_out, command=GMIC_FELTPEN, step_id="rembg_feltpen"
+        )
+        composite_feltpen = p.step(
+            "composite", inputs=[rembg_feltpen, rembg_out], step_id="composite_feltpen"
+        )
+
+        # recipe: gmic-edges-rembg
+        rembg_edges = p.step(
+            "gmic", inputs=rembg_out, command=GMIC_EDGES, step_id="rembg_edges"
+        )
+        composite_edges = p.step(
+            "composite", inputs=[rembg_edges, rembg_out], step_id="composite_edges"
+        )
+
+        # recipe: gmic-charred-plastic-rembg
+        rembg_charred_plastic = p.step(
+            "gmic",
+            inputs=rembg_out,
+            command=GMIC_CHARRED_PLASTIC,
+            step_id="rembg_charred_plastic",
+        )
+        composite_charred_plastic = p.step(
+            "composite",
+            inputs=[rembg_charred_plastic, rembg_out],
+            step_id="composite_charred_plastic",
+        )
+
+        # recipe: gmic-neon-rembg
+        rembg_neon = p.step(
+            "gmic", inputs=rembg_out, command=GMIC_NEON, step_id="rembg_neon"
+        )
+        composite_neon = p.step(
+            "composite", inputs=[rembg_neon, rembg_out], step_id="composite_neon"
+        )
+
+        # recipe: gmic-cutout-rembg (tone-mapped input as original)
+        input_cutout = p.step(
+            "gmic", inputs=input_tone_map, command=GMIC_CUTOUT, step_id="input_cutout"
+        )
+        cutout_mid = p.step(
+            "composite", inputs=[input_tone_map, input_cutout], step_id="cutout_mid"
+        )
+        composite_cutout = p.step(
+            "composite", inputs=[cutout_mid, rembg_out], step_id="composite_cutout"
+        )
+
+        # recipe: gmic-huffman-glitches-rembg
+        input_huffman_glitches = p.step(
+            "gmic",
+            inputs=input_tone_map,
+            command=GMIC_HUFFMAN_GLITCHES,
+            step_id="input_huffman_glitches",
+        )
+        huffman_glitches_mid = p.step(
+            "composite",
+            inputs=[input_tone_map, input_huffman_glitches],
+            step_id="huffman_glitches_mid",
+        )
+        composite_huffman_glitches = p.step(
+            "composite",
+            inputs=[huffman_glitches_mid, rembg_out],
+            step_id="composite_huffman_glitches",
+        )
+
+        # recipe: gmic-queryprimary-rembg
+        input_queryprimary = p.step(
+            "gmic",
+            inputs=input_tone_map,
+            command=GMIC_QUERYPRIMARY,
+            step_id="input_queryprimary",
+        )
+        queryprimary_mid = p.step(
+            "composite",
+            inputs=[input_tone_map, input_queryprimary],
+            step_id="queryprimary_mid",
+        )
+        composite_queryprimary = p.step(
+            "composite",
+            inputs=[queryprimary_mid, rembg_out],
+            step_id="composite_queryprimary",
+        )
+
+        # recipe: gmic-local-similarity-rembg
+        input_local_similarity = p.step(
+            "gmic",
+            inputs=input_tone_map,
+            command=GMIC_LOCAL_SIMILARITY,
+            step_id="input_local_similarity",
+        )
+        local_similarity_mid = p.step(
+            "composite",
+            inputs=[input_tone_map, input_local_similarity],
+            step_id="local_similarity_mid",
+        )
+        composite_local_similarity = p.step(
+            "composite",
+            inputs=[local_similarity_mid, rembg_out],
+            step_id="composite_local_similarity",
+        )
+
+        # recipe: gmic-luma-invert-rembg
+        input_luma_invert = p.step(
+            "gmic",
+            inputs=input_tone_map,
+            command=GMIC_LUMA_INVERT,
+            step_id="input_luma_invert",
+        )
+        luma_invert_mid = p.step(
+            "composite",
+            inputs=[input_tone_map, input_luma_invert],
+            step_id="luma_invert_mid",
+        )
+        composite_luma_invert = p.step(
+            "composite",
+            inputs=[luma_invert_mid, rembg_out],
+            step_id="composite_luma_invert",
+        )
+
+        # recipe: gmic-crayongraffiti-rembg
+        input_crayongraffiti = p.step(
+            "gmic",
+            inputs=input_tone_map,
+            command=GMIC_CRAYONGRAFFITI,
+            step_id="input_crayongraffiti",
+        )
+        crayongraffiti_mid = p.step(
+            "composite",
+            inputs=[input_tone_map, input_crayongraffiti],
+            step_id="crayongraffiti_mid",
+        )
+        composite_crayongraffiti = p.step(
+            "composite",
+            inputs=[crayongraffiti_mid, rembg_out],
+            step_id="composite_crayongraffiti",
+        )
+
+        # recipe: gmic-anaglyph-rembg
+        input_anaglyph = p.step(
+            "gmic", inputs=input_tone_map, command=GMIC_ANAGLYPH, step_id="input_anaglyph"
+        )
+        anaglyph_mid = p.step(
+            "composite", inputs=[input_tone_map, input_anaglyph], step_id="anaglyph_mid"
+        )
+        composite_anaglyph = p.step(
+            "composite", inputs=[anaglyph_mid, rembg_out], step_id="composite_anaglyph"
+        )
+
+        # recipe: xcf-stack — layers up to composites (excludes bokeh + color-bg-drop-shadow)
+        p.step(
+            "xcf_stack",
+            inputs=[
+                "input",
+                rembg_out,
+                input_tone_map,
+                rembg_tone_map,
+                rembg_feltpen,
+                rembg_edges,
+                rembg_charred_plastic,
+                rembg_neon,
+                input_cutout,
+                input_huffman_glitches,
+                input_queryprimary,
+                input_local_similarity,
+                input_luma_invert,
+                input_crayongraffiti,
+                input_anaglyph,
+                composite_feltpen,
+                composite_edges,
+                composite_charred_plastic,
+                composite_neon,
+                composite_cutout,
+                composite_huffman_glitches,
+                composite_queryprimary,
+                composite_local_similarity,
+                composite_luma_invert,
+                composite_crayongraffiti,
+                composite_anaglyph,
+            ],
+        )
+
+        # recipe: bokeh-oktagon (tone-mapped input as original)
+        input_bokeh = p.step(
+            "gmic", inputs=input_tone_map, command=GMIC_BOKEH, step_id="input_bokeh"
+        )
+        bokeh_mid = p.step(
+            "composite", inputs=[input_tone_map, input_bokeh], step_id="bokeh_mid"
+        )
+        p.step("composite", inputs=[bokeh_mid, rembg_out], step_id="composite_bokeh")
+
+        # recipe: color-bg-drop-shadow-rembg
+        color_bg = p.step(
+            "imagemagick_fill", inputs="input", color1=COLOR1, step_id="color_bg"
+        )
+        rembg_shadow = p.step(
+            "gmic", inputs=rembg_out, command=GMIC_DROP_SHADOW, step_id="rembg_shadow"
+        )
+        shadow_color_mid = p.step(
+            "composite", inputs=[color_bg, rembg_shadow], step_id="shadow_color_mid"
+        )
+        p.step(
+            "composite",
+            inputs=[shadow_color_mid, rembg_out],
+            step_id="composite_color_bg_shadow",
+        )
+
+        output_root = p.run()
+
+    print(f"Pipeline finished. Output: {output_root}")
+
+
+if __name__ == "__main__":
+    main()