greptileai / supabase-mirror / 22969055083 / 1

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fix(assistant): preserve template URL placeholders in responses (#43495)

Fixes a rendering bug where template URLs like
`https://<project-ref>.supabase.co/...` were displayed incorrectly in
Assistant responses. The markdown parser was treating `<project-ref>` as
a tag and silently stripping it.

- Adds `wrapPlaceholderUrls()` preprocessing step that auto-wraps bare
URLs containing `<kebab-case>` placeholders in backticks before passing
to the markdown renderer
- Strengthens the prompt instruction to explicitly say "always format
template URLs as inline code using backticks"

Sample prompt:
```
What are the OAuth2 endpoints for Supabase projects? List the authorization, token, and JWKS URLs.
```

| Before | After |
|--------|--------|
| <img width="1314" height="841" alt="CleanShot 2026-03-06 at 15 32
13@2x"
src="https://github.com/user-attachments/assets/55eaa0c6-39fb-48e0-91a0-31903021a4c9"
/> | <img width="1421" height="827" alt="CleanShot 2026-03-06 at 15 31
37@2x"
src="https://github.com/user-attachments/assets/5335c71a-19c7-44a0-b027-6f2efd76eb8c"
/> |

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