Suite entries with conversation_id show as 'Unknown Entry' / type 'Suite' in UI

[zvonimirfras]

Bug: Suite entries linked via conversation_id are not rendered correctly in the Test Suite detail page

Summary

When a test suite contains entries linked by conversation_id (rather than test_id), the suite detail page displays them as:

• Type: Suite (should be Conversation)
• Name: Unknown Entry (should be the conversation name)

Root cause

In frontend/src/app/test-suites/[id]/page.tsx:

1. getEntryName only handles entry.test_id and entry.child_suite_id — there is no branch for entry.conversation_id:

const getEntryName = (entry: SuiteEntry): string => {
  if (entry.test_id) { ... }
  else if (entry.child_suite_id) { ... }
  return 'Unknown Entry'; // conversation_id entries always fall here
};

2. Type column uses entry.test_id ? 'Test' : 'Suite', so conversation entries always render as Suite:

<TableCell>{entry.test_id ? 'Test' : 'Suite'}</TableCell>

3. useTestSuiteDetailData fetches allTests and allSuites but never fetches allConversations, so even if getEntryName had a conversation_id branch, it would have nothing to look up against.

Fix

• Fetch all conversations in useTestSuiteDetailData and expose them (similar to allTests).
• Add a conversation_id branch to getEntryName that looks up the conversation name.
• Fix the Type cell to return 'Conversation' when entry.conversation_id is set.

Steps to reproduce

1. Create a test suite via the data-transfer import API with entries that reference conversations by name (using conversation_name in ExportedSuiteEntry).
2. Open the suite detail page in the frontend.
3. All entries show as type Suite / name Unknown Entry.

Impact

Purely cosmetic — the suite runs correctly (execution, scoring, and results all work). Only the display in the suite detail page is affected.