Mark provenance of SQL via the branded types SafeSqlFragment and
UntrustedSqlFragment. Only SafeSqlFragment should be executed;
UntrustedSqlFragments require some kind of implicit user approval (show
on screen + user has to click something) before they are promoted to
SafeSqlFragment.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Editor and RLS tester show loading states for inferred/generated SQL
and include a dedicated user SQL editor for safer edits.
* **Refactor**
* Platform-wide SQL handling tightened: snippets and AI-generated SQL
are treated as untrusted/display-only until promoted, improving safety
and consistency.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
- EditorPanel can now load, save, and rename SQL snippets inline
- New SaveSnippetDialog component for saving snippets with AI-generated
titles
- EditorPanel state tracks active snippet ID and pending reset
- EditQueryButton opens the inline editor panel instead of navigating to
SQL editor page
- AIEditor exposes onMount callback for editor instance access
- SnippetDropdown label updated to "Create snippet"
## TO TEST
### Normal CRUD
- open inline SQL Editor
- try creating a new snippet
- try editing an existing snippet
### Homepage V2 Report
- Try adding a new block → create snippet
- create the snippet in inline sql editor
- select the snippet in the report block section
Charis