Build: build finished with problems, 1 warning.

Findings (1):
  Tier 3 — warnings:
    [T3] image-not-readable  doc/source/data/api.md:55
          msg:    image file not readable: images/missing.png
          fix:    Fix the image path (relative to the referencing page, or an absolute /_static-style path).
          safety: mechanical

Unclassified (0) — no rule matched; resolve with the user, then file a skill-improvement ticket to add a rule:

Suppressed (0) — known-benign, not actionable:

Next: apply the fixes above, then rebuild and re-run to confirm clean.
