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Add image-gen module: Spring AI ImageModel options on the wire, a moderation gate, and safe storage of generated images in MinIO (sniffed content type, byte and pixel caps, server-chosen keys, capped URL fetcher); per-provider cost table dated 2026-10-28. ImageModel and ModerationModel are hand-written fakes; MinIO is real via Testcontainers; no image provider called.

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Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_017ic4b7rnC7jppGGdHGESvy
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asmhatre
2026-10-28 18:36:40 +00:00
co-authored by Claude Sonnet 5.5
parent 108fc44542
commit aa8b1604ed
48 changed files with 2112 additions and 0 deletions
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image-gen/output/06-verifier.txt
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# ImageVerifier decisions (cap 8 MiB, 16,000,000 pixels, png/jpeg/webp)
input verdict detail
real PNG 64x48 ACCEPT image/png 64x48
real JPEG 64x48 ACCEPT image/jpeg 64x48
WebP header only (sniffed, not decoded) ACCEPT image/webp
SVG with a script REJECT not-an-image: no known image signature in the first bytes
HTML page REJECT not-an-image: no known image signature in the first bytes
PDF REJECT not-an-image: no known image signature in the first bytes
PNG signature + garbage REJECT undecodable: IIOException
valid PNG + 40 bytes of HTML appended ACCEPT image/png 16x16
PNG header claiming 40000x40000 REJECT too-many-pixels: 40000x40000 = 1600000000 > cap 16000000
GIF (sniffed but not on the allow list) REJECT type-not-allowed: image/gif
empty REJECT not-an-image: no known image signature in the first bytes
9 MB of PNG-looking zeros REJECT too-large: 9437184 bytes > cap 8388608