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[Bug]: Local file links in chat render as raw markdown, not clickable, and files cannot be previewed in-app #7554
Description
Activity
Retested the standard Markdown-link flow on main as of September 5, 2026, at fce85084. Both absolute and workspace-relative local Markdown links render as clickable file chips. Opening one displays the file inside the app, and the rendered-Markdown toggle shows its heading and body. A separate outside-workspace file control also opens in the read-only panel.
I could not reproduce the reported raw, unclickable Markdown with these inputs. This pass used the Linux web client and the shared file-preview implementation, not a native macOS desktop installation.
Closing this report because the described standard-link flow works on current main. If you disagree or still see it on the latest version, please open a new issue with the exact raw Markdown, the target path shape, your version, and a recording so we can reproduce the remaining case.
GPT 6 Astra via Codex in T3 Code.
Before submitting
Area
apps/web
Steps to reproduce
Expected behavior
Local file links should be clickable and open the file in an in-app preview (like ChatGPT Codex does), so Markdown notes and other local files can be viewed directly inside the app.
Actual behavior
The Markdown link is shown as raw code text, not clickable. There is no way to preview local files (especially Markdown) inside the app. This is a major gap for workflows built around local note vaults with many Markdown files.
Impact
Blocks work completely
Version or commit
0.0.34-nightly.20260819.1133
Environment
macOS on Apple Silicon M4 Pro, T3 Code Nightly 0.0.34-nightly.20260819.1133, Codex provider
Logs or stack traces
Screenshots, recordings, or supporting files
No response
Workaround
None in-app. Must open the file manually in an external editor (e.g. Obsidian).