fix: render workspace images in chat markdown - #6433
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🚧 Files skipped from review as they are similar to previous changes (1)
📝 WalkthroughWalkthroughThe change adds a shared Markdown image-renderer contract. Mobile and web Markdown components now resolve workspace image paths through signed asset URLs, display loading or failure states, and preserve fallback rendering for unsupported sources. ChangesWorkspace Markdown Image Rendering
Estimated code review effort: 4 (Complex) | ~60 minutes Merge Risk: 🟡 Moderate · up to The PR adds workspace-image rendering across web and mobile, but UNC file paths may still resolve to the wrong asset and cause images to render incorrectly; the loading placeholder also adds avoidable continuous animation overhead. Merge should wait for the path-handling issue to be fixed or explicitly accepted. Sequence Diagram(s)sequenceDiagram
participant Markdown
participant ImageRenderer
participant AssetURLState
participant SignedAssetURL
participant ImageViewer
Markdown->>ImageRenderer: render image source
ImageRenderer->>AssetURLState: resolve workspace resource
AssetURLState->>SignedAssetURL: request signed asset URL
SignedAssetURL-->>ImageRenderer: loading, failure, or resolved URL
ImageRenderer->>ImageViewer: open successful image
Suggested reviewers: 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches 💡 2⚔️ Resolve merge conflicts 💡
🛠️ Fix failing CI checks 💡
🧪 Generate unit tests (beta)
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Addressed the bot findings in c18468b:
Not fixed — "Android remote images render blank" (Bugbot high, Macroscope high): this one is incorrect. The renderer returns |
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Added the Windows raw drive-path sanitizer fix and focused coverage in @coderabbitai review |
🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '=== Changed files relative to PR base ==='
git diff --name-status origin/main...HEAD || git diff --name-status HEAD~1...HEAD
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echo '=== Changed source/test files ==='
git diff --name-only origin/main...HEAD 2>/dev/null || git diff --name-only HEAD~1...HEAD
echo
echo '=== Candidate symbol outlines ==='
fd -t f . | rg '(ChatMarkdown|ThreadFeed|SelectableMarkdownText|assets|markdown).*\.(tsx|ts)$' | while IFS= read -r file; do
echo "--- $file"
ast-grep outline "$file" --items all --type function,class,interface,type 2>/dev/null | head -160 || true
done
echo
echo '=== Path/image-related diff ==='
git diff --unified=80 origin/main...HEAD -- \
'*ChatMarkdown*' '*ThreadFeed*' '*SelectableMarkdownText*' '*assets*' '*markdown*' \
2>/dev/null || git diff --unified=80 HEAD~1...HEADLength of output: 112905 🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '=== Locate resolver definitions and tests ==='
rg -n -C 4 \
'function resolveMarkdownFileLinkMeta|const resolveMarkdownFileLinkMeta|function normalizeMarkdownLinkDestination|function rewriteMarkdownFileUriHref|function resolveWorkspaceFilePath|const resolveWorkspaceFilePath|markdownImageWorkspacePath|rehypeNormalizeWindowsImageSrc' \
apps/web/src apps/mobile/src
echo
echo '=== Map relevant files ==='
for name in markdown-links.ts markdown-links.test.ts filePath.ts filePath.test.ts ChatMarkdown.workspace-images.test.tsx ChatMarkdown.tsx ThreadFeed.tsx; do
fd -t f -a "^${name}$" . | while IFS= read -r file; do
echo "--- $file"
ast-grep outline "$file" --items all 2>/dev/null | head -220 || true
done
done
echo
echo '=== Full focused test and resolver sources ==='
fd -t f -a '^(markdown-links(\.test)?\.ts|filePath(\.test)?\.ts|ChatMarkdown\.workspace-images\.test\.tsx)$' . | while IFS= read -r file; do
echo "--- $file"
cat -n "$file"
done
echo
echo '=== Exact current image helper blocks ==='
for file in apps/web/src/components/ChatMarkdown.tsx apps/mobile/src/features/threads/ThreadFeed.tsx; do
echo "--- $file"
rg -n -A105 -B12 'rehypeNormalizeWindowsImageSrc|DIRECTLY_LOADABLE_IMAGE_SRC_PATTERN|ChatMarkdownWorkspaceImage|markdownImageWorkspacePath|ThreadMarkdownImage|renderMarkdownImage' "$file"
doneLength of output: 111522
✅ Action performedReview finished.
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Addressed the current CodeRabbit UNC review finding in @coderabbitai review |
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Actionable comments posted: 2
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Inline comments:
In `@apps/web/src/components/ChatMarkdown.tsx`:
- Around line 1736-1747: Update the workspace image resolution around
DIRECTLY_LOADABLE_IMAGE_SRC_PATTERN and resolveMarkdownFileLinkMeta in
apps/web/src/components/ChatMarkdown.tsx#L1736-L1747 to preserve file-URI
authorities, converting file://host/share/... into the equivalent
\\host\share\... UNC path before resolution. Add coverage in
apps/web/src/components/ChatMarkdown.workspace-images.test.tsx#L47-L81 for a
file://host/share/... input and assert that the workspace-file resource receives
the UNC path.
Apply the same fix in
`@apps/web/src/components/ChatMarkdown.workspace-images.test.tsx` around lines 47
- 81.
- Around line 989-990: Replace the animate-pulse class on the loading
placeholder in ChatMarkdown with a static placeholder class list, preserving its
layout, sizing, rounding, and muted background styles while removing continuous
repainting.
🪄 Autofix
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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Configuration used: Repository UI
Review profile: CHILL
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Run ID: e6d72e07-7441-43d1-85e2-d4beacade87d
📒 Files selected for processing (10)
apps/mobile/modules/t3-markdown-text/src/NativeMarkdownBlock.ios.tsxapps/mobile/modules/t3-markdown-text/src/SelectableMarkdownText.ios.tsxapps/mobile/modules/t3-markdown-text/src/SelectableMarkdownText.tsxapps/mobile/modules/t3-markdown-text/src/SelectableMarkdownText.types.tsapps/mobile/src/features/threads/ThreadFeed.tsxapps/mobile/src/native/SelectableMarkdownText.ios.tsxapps/mobile/src/native/SelectableMarkdownText.tsxapps/mobile/src/state/assets.tsapps/web/src/components/ChatMarkdown.tsxapps/web/src/components/ChatMarkdown.workspace-images.test.tsx
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echo '=== Commit f2f79bd summary and focused diff ==='
git show --stat --oneline --decorate --no-renames f2f79bd
git show --format=fuller --find-renames --find-copies --unified=90 f2f79bd -- \
'apps/web/src/markdown-links.ts' \
'apps/web/src/**/markdown-links*.test.ts' \
'apps/web/src/**/ChatMarkdown*.test.tsx' \
'apps/web/src/components/ChatMarkdown.tsx'
echo
echo '=== Candidate source and test outlines ==='
fd -t f -a '^(markdown-links(\.test)?\.ts|ChatMarkdown(\..+)?\.test\.tsx|ChatMarkdown\.tsx)$' apps/web/src | while IFS= read -r file; do
echo "--- $file"
ast-grep outline "$file" --items all 2>/dev/null | head -220 || true
done
echo
echo '=== UNC URI implementations and assertions ==='
rg -n -C 8 --glob '*.{ts,tsx}' \
'file://(host|server)|\\\\\\\\(host|server)|parsed\.(hostname|host)|parseFileUrlHref|resolveMarkdownFileLinkMeta|workspace-file' \
apps/web/srcLength of output: 62554
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Addressed the remaining CodeRabbit performance finding in @coderabbitai review |
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Tip For best results, initiate chat on the files or code changes. 🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '=== Commit summary and focused diff ==='
git show --stat --oneline --no-renames 9fd3f0c
git show --format=fuller --find-renames --find-copies --unified=80 9fd3f0c -- \
'apps/web/src/components/ChatMarkdown.tsx' \
'apps/web/src/components/ChatMarkdown.workspace-images.test.tsx'
echo
echo '=== Relevant source and test outlines ==='
for file in \
apps/web/src/components/ChatMarkdown.tsx \
apps/web/src/components/ChatMarkdown.workspace-images.test.tsx
do
if test -f "$file"; then
echo "--- $file"
ast-grep outline "$file" --items all 2>/dev/null | head -220 || true
fi
done
echo
echo '=== Current loading-placeholder implementation and assertions ==='
rg -n -C 12 \
'animate-pulse|Loading image|Image unavailable|ChatMarkdownWorkspaceImage|workspace-image' \
apps/web/src/components/ChatMarkdown.tsx \
apps/web/src/components/ChatMarkdown.workspace-images.test.tsxLength of output: 34916
The focused test sets You are interacting with an AI system. |
Agents reference screenshots they saved into the workspace by path (relative, absolute, or file://). Those bytes only exist on the environment host, so both clients rendered a broken or empty box. Web: a custom img renderer resolves workspace paths through the signed workspace-file asset endpoint; remote http(s)/data images keep their existing inline rendering. iOS: the t3-markdown-text module accepts a renderImage hook (provided via context) and ThreadFeed supplies a component that resolves paths against the workspace root, loads via useAssetUrl, and supports tap-to-expand into the existing full-screen viewer. Android: the nitro-markdown fallback path registers an image renderer backed by the same component.
- Surface asset-URL failures as 'Image unavailable' instead of an indefinite spinner (useAssetUrlState on mobile mirrors web's states). - Normalize file:///C:/... drive URIs (drop the URL parser's leading slash) and map file://host/share URIs to UNC paths. - Treat protocol-relative //cdn... image srcs as directly loadable on web and non-workspace on mobile.
…play Review bot follow-ups: the mobile markdown-image parser rewrote the historical file://localhost/... spelling into a UNC path, and the web workspace image's 'block' utility lost to the unlayered .chat-markdown img rule, so its display flipped when loading finished. Also announce the loading placeholder to assistive tech via role=status.
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One regression found in the shared markdown file-URI handling. Everything else in the web scope (ChatMarkdown image branches, block! ownership over the unlayered .chat-markdown img rule, theme tokens, span-based placeholder/fallback inside markdown paragraphs) looks consistent.
Posted via Macroscope — UI Consistency
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Cursor Bugbot has reviewed your changes using high effort and found 1 potential issue.
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Reviewed by Cursor Bugbot for commit 6b08b7f. Configure here.
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One finding on the new markdown image clamp. The earlier file://localhost classification concern is resolved by the added uncHostname handling and tests, so no further comment there.
Posted via Macroscope — UI Consistency
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| const CHAT_MARKDOWN_IMAGE_SIZE_CLASS_NAME = | ||
| "h-auto w-auto max-h-[30rem] max-w-[min(100%,30rem)] object-contain"; |
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w-auto in this shared class defeats the width/height presentational attributes that CHAT_MARKDOWN_SANITIZE_SCHEMA still allows on img: author declarations outrank presentational hints, so a chat message containing <img src="https://…" width="120"> (or a remark-parsed HTML image with explicit dimensions) now renders at intrinsic size up to 30rem instead of the author's 120px. h-auto is also already supplied by the preflight img { height: auto }, so both utilities only override author sizing rather than add clamping. Dropping them keeps the clamp (max-h/max-w still cap oversized images, and preflight keeps the aspect ratio proportional) while preserving explicit dimensions.
| "h-auto w-auto max-h-[30rem] max-w-[min(100%,30rem)] object-contain"; | |
| "max-h-[30rem] max-w-[min(100%,30rem)] object-contain"; |
Posted via Macroscope — UI Consistency
## What's Changed * fix(ssh): restore user PATH for remote servers by @gbarros-dev in pingdotgg/t3code#7213 * fix(desktop): keep tailscale spawn defects from breaking advertised endpoints by @Rishet11 in pingdotgg/t3code#7116 * fix(web): keep Codex service tier labels readable by @PixPMusic in pingdotgg/t3code#4503 * fix: render workspace images in chat markdown by @SunkenInTime in pingdotgg/t3code#6433 **Full Changelog**: pingdotgg/t3code@v0.0.34-nightly.20260822.1160...v0.0.34-nightly.20260822.1162 Upstream release: https://github.com/pingdotgg/t3code/releases/tag/v0.0.34-nightly.20260822.1162
# This is the 1st commit message: fix: render workspace images in chat markdown (pingdotgg#6433) # This is the commit message pingdotgg#2: test(desktop): remove redundant release note assertion (pingdotgg#7873) Co-authored-by: t3-code[bot] <269035359+t3-code[bot]@users.noreply.github.com>
…for upstream's Upstream merged pingdotgg#6433 today, its own implementation of inline workspace images in chat markdown, on both web and mobile. That collided with the carried pingdotgg#5114 renderer in the one place it could not be seen: both defined an `img` key in the same `markdownComponents` object literal, so upstream's silently won at runtime and the fork's became dead code. Only `tsgo` noticed, as a duplicate identifier. Removes the fork's `img` handler, its `MarkdownWorkspaceImage` component and a duplicated `useAssetUrlState` import. Upstream's `ChatMarkdownWorkspaceImage` is now the only path, and its own six tests cover it. The work-log half of pingdotgg#5114 is NOT superseded and stays: `session-logic` still uses `resolveMarkdownImageFileLinkMeta` to surface a generated or changed image as its own activity row, which upstream does not do.
2 participants
Summary
Agents reference screenshots they saved into the workspace by path (relative, absolute, or
file://). Those bytes only exist on the environment host, so chat rendered a broken image on web (macOS/Windows) and an empty grey box on iOS.ChatMarkdown.tsx): customimgrenderer resolves workspace paths through the signedworkspace-fileasset endpoint (useAssetUrlState), with loading/error states. Remote http(s)/data srcs keep their existing inline rendering so badge rows don't reflow.file:allowlisted forsrcin the sanitize schema.t3-markdown-textmodule +ThreadFeed): the module accepts arenderImagehook (context-provided so it reaches images anywhere in the block tree). ThreadFeed suppliesThreadMarkdownImage, which resolves the src against the workspace root, loads viauseAssetUrl, exposes an accessible tap target, and expands into the existing full-screen viewer.imagecustom renderer backed by the same component.Testing
/api/assets/...URLs.Note
Medium Risk
Touches markdown sanitization (
file:on img src) and how filesystem paths become signed asset URLs. Classification blocks unsupported schemes, but mistakes here could leak local paths or load unexpected sources.Overview
Chat markdown can now show screenshots and other images that agents save as workspace paths (relative, absolute,
file://, Windows drive/UNC) instead of broken images.A shared
classifyMarkdownImageSourcehelper decides whether a src is a remote/data URI, a workspace file, or blocked. Workspace files load through signedworkspace-fileasset URLs with loading and “Image unavailable” states. Remote http(s)/data/blob srcs still render inline.On web,
ChatMarkdowncustomizesimg, allowlistsfile:forsrcafter normalizing Windows drive paths, and never passes filesystem URLs to a raw<img>. On mobile,SelectableMarkdownTexttakes arenderImagehook (via context on iOS);ThreadFeedresolves workspace images the same way and taps into the existing full-screen viewer.Reviewed by Cursor Bugbot for commit 25ba6d7. Bugbot is set up for automated code reviews on this repo. Configure here.
Note
Render workspace images in chat markdown
classifyMarkdownImageSourcein markdownImages.ts to classify image sources as Direct, WorkspaceFile, or Blocked, with UNC/localhost file URL parsing support.useAssetUrlState, displaying loading indicators and 'Image unavailable' fallbacks.CHAT_MARKDOWN_SANITIZE_SCHEMAnow allows thefile:protocol onsrcattributes, and unsupported image sources render a fallback placeholder instead of a broken image.Macroscope summarized 25ba6d7.
Summary by CodeRabbit
New Features
file://image sources.Tests