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Codex can persist assistant text as `[file](<local/path/file.md)` — an opening `<` with no closing `>` before `)`. CommonMark then leaves the raw source as text instead of a link on web/desktop and mobile. Repair the source at render time in shared client-runtime: close the destination when it already reads as a file path, and leave fenced code, inline code, and every other malformed shape exactly as written. Both web ChatMarkdown and the native mobile renderer apply the repair before parsing, so the same input yields the same file chip everywhere.
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| const FENCED_CODE_SEGMENT_PATTERN = /(```[\s\S]*?(?:```|$))/; |
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🟡 Medium src/markdownLinks.ts:348
repairUnclosedAngleLinkDestinations rewrites link-looking text inside ~~~ and indented code blocks, so a code sample such as ~~~\n[file](<src/a.ts)\n~~~ is changed to include a closing > that the user never wrote. Because the replacement only skips segments matched by FENCED_CODE_SEGMENT_PATTERN, it must recognize all Markdown code-block forms, including tilde fences and indented blocks, before applying PROSE_UNCLOSED_ANGLE_LINK_PATTERN.
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In file @packages/client-runtime/src/markdownLinks.ts around line 348:
`repairUnclosedAngleLinkDestinations` rewrites link-looking text inside `~~~` and indented code blocks, so a code sample such as `~~~\n[file](<src/a.ts)\n~~~` is changed to include a closing `>` that the user never wrote. Because the replacement only skips segments matched by `FENCED_CODE_SEGMENT_PATTERN`, it must recognize all Markdown code-block forms, including tilde fences and indented blocks, before applying `PROSE_UNCLOSED_ANGLE_LINK_PATTERN`.
ApprovabilityVerdict: Not approved Macroscope's review found this PR not approvable — This is a focused render-time fix for malformed file links across web and native Markdown rendering. The repair also changes matching content inside tilde-fenced and indented code blocks, so that unintended behavior should be addressed before merging. Not approved because:
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Included review availability: This review used your included allowance. Your plan provides up to 10 included reviews per hour; 6 remain after this review. 📝 WalkthroughWalkthroughThe change adds a helper that repairs eligible unclosed angle-bracket file-link destinations. The web and mobile Markdown renderers use repaired text. The web renderer maps task-marker positions to the original text. Tests cover repair behavior and rendering. ChangesMarkdown file-link repair
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Bug fix · Severity of issue fixed: Medium Suggested reviewers: Merge Risk: ⚪ Minimal · up to This change repairs unclosed angle-bracket file links at render time in the web and mobile renderers. No concrete merge-blocking issue was found, and stored transcripts are unchanged. The only gap is that on-device mobile rendering has not been checked. Security Architecture ReviewSecurity architecture risk: 🔵 Low · up to Malformed links can shift checkbox positions, allowing a toggle to change a different task in the same editable file. The impact is confined to the active writable file and requires user interaction. Retained concerns
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Actionable comments posted: 3
- 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @apps/web/src/components/ChatMarkdown.tsx:
- Line 3374: Map each task checkbox’s markerOffset from repairedText back to the
original text before invoking setMarkdownTaskChecked, so inserted link-escaping
characters do not shift the offset used to update the original file.
Review comments at @packages/client-runtime/src/markdownLinks.ts:
- Line 349: Update PROSE_UNCLOSED_ANGLE_LINK_PATTERN and its repair logic to
recognize complete inline-code spans that contain newlines before matching
unclosed-angle links. Ensure link-shaped text inside a multiline span is left
unchanged, while eligible links outside code spans are still repaired.
- Line 348: Update FENCED_CODE_SEGMENT_PATTERN and the splitting logic that uses
it to recognize both backtick and tilde fences, tracking each opener’s character
and length. Treat a fence as closed only by a line using the same character with
at least the opener’s length and only whitespace afterward, so fenced content
remains excluded from the repair pass.
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apps/mobile/modules/t3-markdown-text/src/SelectableMarkdownText.tsxapps/mobile/modules/t3-markdown-text/src/markdownLinks.test.tsapps/web/src/components/ChatMarkdown.test.tsxapps/web/src/components/ChatMarkdown.tsxpackages/client-runtime/src/markdownLinks.test.tspackages/client-runtime/src/markdownLinks.ts
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Address review on pingdotgg#11810: the render-time repair now skips tilde fences (with proper same-char/length/whitespace closing rules), indented code blocks, and multiline inline code spans via a line scanner instead of only triple-backtick segments. Task-checkbox markers are mapped back to source offsets so toggling a task after a repaired link still edits the right characters in file previews.
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Fixes #11810.
Problem
Codex can persist assistant text as
[file](<local/path/file.md)— an opening<with no closing>before). CommonMark then does not parse a link, so web/desktopChatMarkdownand the mobile Markdown renderer both show the raw source instead of a file chip. Triaged by juliusmarminge as a distinct malformed-source case (not a replay of #5158).Fix
Render-time repair in shared client-runtime (
repairUnclosedAngleLinkDestinationsinpackages/client-runtime/src/markdownLinks.ts): close[label](<path)→[label](<path>)only when the destination already reads as a file path (existingparseMarkdownFileLinkgate). Stored transcripts are untouched. Fenced code, inline code, well-formed links, real HTML, and every other malformed shape stay exactly as written. WebChatMarkdownand the native mobile renderer (SelectableMarkdownText, covering all chat and file-preview call sites) both apply it before parsing; desktop inherits the web path.Verification
Focused suites, all passing with the fix (and failing without it — new tests fail on main: shared 20 failed, web 4 failed, mobile 9 failed):
vp test run packages/client-runtime/src/markdownLinks.test.ts— 117 passedvp test run apps/web/src/components/ChatMarkdown.test.tsx— 58 passedvp test run apps/mobile/modules/t3-markdown-text/src/markdownLinks.test.ts— 9 passedmarkdown-links+ client-runtimecodexMarkdownDirectives/codexFileCitations— 100 passedtsc --noEmitclean forpackages/client-runtime,apps/web,apps/mobile;vp lintclean on all touched files (the 3ChatMarkdown.tsxwarnings are pre-existing on main)Could not verify: native on-device rendering (needs a mobile build); the nitro parser itself is unchanged and already parses the repaired well-formed shape. No before/after screenshots captured — no dev server or browser was used; happy to capture the two states (raw
[file](<local/path/file.md)text vs file chip) on request.