## Summary
Fixes PNG iTXt chunk parsing to comply with the PNG specification.
## Problem
The current iTXt parser incorrectly reads the text content immediately
after the keyword null terminator, but iTXt chunks have additional
fields:
- Compression flag (1 byte)
- Compression method (1 byte)
- Language tag (null-terminated)
- Translated keyword (null-terminated)
- Text content
This caused PNGs that correctly follow the spec to fail loading with
JSON parse errors due to leading null bytes.
## Solution
Skip the compression flag, method, language tag, and translated keyword
fields before reading the text content.
Fixes#8150
┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-8530-fix-properly-parse-PNG-iTXt-chunks-per-specification-2fa6d73d36508189bef4cc5fa3899096)
by [Unito](https://www.unito.io)
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## Summary
This change extends
https://github.com/Comfy-Org/ComfyUI_frontend/pull/7154 by making sure
the `prompt` metadata tag is parsed before the legacy A1111 fallback
when files are dropped onto the canvas.
ComfyUI embeds two structured payloads into every first-class export
format we support (PNG, WEBP, WEBM, MP4/MOV/M4V, GLB, SVG, MP3,
OGG/FLAC, etc.): `workflow`, which is the full editor JSON with layout
state, and `prompt`, which is the API graph sent to `/prompt`.
During import we try format-specific decoders first and only as a last
resort look for an A1111 file by scanning text chunks for a `parameters`
entry. That compatibility path was always meant to be a best-effort
option, but when we refactored the loader it accidentally enforced the
order `workflow → parameters → prompt`. As soon as a dropped asset
contained a `parameters` chunk—something Image Saver’s “A1111
compatibility” mode always adds—the A1111 converter activated and
blocked the subsequent `prompt` loading logic.
PR #7154 already lifted `workflow` ahead of the fallback, yet any file
lacking the `workflow` chunk but holding both `prompt` and `parameters`
still regressed. Reordering to `workflow → prompt → parameters`
preserves the compatibility shim for genuine A1111 exports while
guaranteeing native Comfy metadata always wins, eliminating the entire
class of failures triggered merely by the presence of the word
`parameters` in an unrelated metadata chunk.
Fixes https://github.com/Comfy-Org/ComfyUI_frontend/issues/7096, fixes
https://github.com/Comfy-Org/ComfyUI_frontend/issues/6988
## Related
(fixed by https://github.com/Comfy-Org/ComfyUI_frontend/pull/7154)
- https://github.com/Comfy-Org/ComfyUI_frontend/issues/6633
- https://github.com/Comfy-Org/ComfyUI_frontend/issues/6561
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* temp: move tailwind calls out of the layer
* temp: ts tailwind config
* upgrade: Tailwind v4
This got a little out of hand.
Had to add a relative reference to the stylesheet in any component that uses @apply instead of the utility classes directly.
* upgrade: bg-opacity is now a modifier
* fix: Classic menu buttons assume a border
* Update test expectations [skip ci]
* fix: New preflight removal pattern
* fix: Skeletons don't have skin
* Update test expectations [skip ci]
* fix: Missing @reference
* [auto-fix] Apply ESLint and Prettier fixes
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* move subgraph test assets into subfolder
* [refactor] Organize browser test assets into logical folders
Reorganized test assets for better maintainability:
- groupnodes/: GroupNode feature tests
- groups/: Visual grouping tests
- missing/: Missing nodes/models tests
- links/: Link-related tests
- inputs/: Input widget tests
- widgets/: Widget-specific tests
- nodes/: Node-related tests
- workflowInMedia/: Workflow media files
Updated all loadWorkflow references to use new folder structure.
Fixed programmatic filename references to prevent test failures.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* [fix] Update mobile test to use new asset path
* [fix] Update remaining loadWorkflow calls to use new folder structure
* [fix] Fix remaining programmatic filename references
* [fix] Run prettier formatting
* [fix] Fix setupWorkflowsDirectory references to use correct folder paths
* [refactor] Rename subgraph folder to subgraphs for consistency
* [fix] Fix breadcrumb name in subgraph DOM widget test
* Update test expectations [skip ci]
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Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: github-actions <github-actions@github.com>
