ECHO-677 conversation header empty if name removed and title exists fix

[ussaama]

Summary by CodeRabbit

• Bug Fixes
  • Improved participant information display with fallback to title when participant name is unavailable in project conversations.

[linear]

ECHO-677 Header empty when participant_name is null

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

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Review profile: ASSERTIVE

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📥 Commits

Reviewing files that changed from the base of the PR and between e138301 and 5226b50.

📒 Files selected for processing (1)

• echo/frontend/src/components/layout/ProjectConversationLayout.tsx

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Walkthrough

Streamlined GraphQL query in ProjectConversationLayout by removing unused fields (id, is_finished, is_audio_processing_finished, created_at, updated_at) and restructuring chunk fetching to use nested source/transcript architecture. Added title field with fallback display logic for participant_name.

Changes

Cohort / File(s)	Summary
Query Field Optimization echo/frontend/src/components/layout/ProjectConversationLayout.tsx	Removed 5 unused conversation fields; restructured chunk query from nested source/transcript to flat source fetch; added title field; updated participant display logic with title fallback.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Possibly related PRs

• ECHO-521 Optimize frontend queries #349: Modifies conversation field queries and source/transcript projection structure in the same component.
• ECHO-245 Fix "empty" flag #162: Adjusts transcript chunk fetching strategy including source/transcript shape handling.
• ECHO-376 optimize conversation related queries #260: Alters conversation and chunk field requests in ProjectConversationLayout.

Suggested labels

improvement

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The PR title directly addresses the main code change: fixing the conversation header display when participant_name is removed but title exists.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

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• Commit unit tests in branch conversation-header-empty-fix

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