[Bug]: Output larger than input

❯ uname -a
Linux alpha 6.17.13-200.fc42.x86_64 #1 SMP PREEMPT_DYNAMIC Thu Dec 18 22:18:24 UTC 2025 x86_64 GNU/Linux

❯ ocrmypdf --version
16.7.0

❯ pdfimages -list 1906_29_p1.pdf

page   num  type   width height color comp bpc  enc interp  object ID x-ppi y-ppi size ratio
--------------------------------------------------------------------------------------------
   1     0 image    2480  3754  rgb     3   8  image  yes       28  0   300   300 10.9M  41%
   1     1 image    2216   233  rgb     3   8  image  yes       36  0   300   300  793K  52%
   1     2 image     374   550  rgb     3   8  image  yes       32  0   300   300  230K  38%

❯ ocrmypdf -O1 --skip-big 0 --tesseract-timeout 0 \
  --skip-text \
  --output-type pdf \
  1906_29_p1.pdf 1906_29_p1_out.pdf

    1 skipping all processing on this page                                                                                                            _pipeline.py:335
Image processing      ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% 1/1 0:00:00
Postprocessing...                                                                                                                                           ocr.py:144
Linearizing           ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% 100/100 0:00:00
Recompressing JPEGs   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━   0% 0/0 -:--:--
Deflating JPEGs       ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━   0% 0/0 -:--:--
JBIG2                 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━   0% 0/0 -:--:--
Image optimization did not improve the file - optimizations will not be used                                                                           optimize.py:728
Image optimization ratio: 1.00 savings: -0.0%                                                                                                         _pipeline.py:994
Total file size ratio: 1.00 savings: 0.0%                                                                                                             _pipeline.py:997
The output file size is 1.38× larger than the input file.                                                                                           _validation.py:357
No reason for this increase is known.  Please report this issue.

❯ pdfimages -list 1906_29_p1_out.pdf
page   num  type   width height color comp bpc  enc interp  object ID x-ppi y-ppi size ratio
--------------------------------------------------------------------------------------------
   1     0 image    2480  3754  rgb     3   8  image  yes       16  0   300   300 15.1M  57%
   1     1 image    2216   233  rgb     3   8  image  yes       17  0   300   300 1088K  72%
   1     2 image     374   550  rgb     3   8  image  yes       18  0   300   300  307K  51%