Feat/conversation merge improved

[eulicesl]

Note

Implements merging consecutive conversations with a new multi-select UI on the conversations page and a backend POST endpoint that validates, merges data, runs LLM structuring, and deletes originals.

• Frontend (Flutter)
  • Conversations list:
    • Add selection mode with long-press to select conversations; shows count and merge action bar.
    • Disable selecting locked/discarded items; visual selection state and checkbox overlay.
    • Prevent swipe-to-delete while selecting; highlight selected with border; dim non-eligible items.
  • Merge action:
    • Validate adjacency (chronologically contiguous and within 1 hour) and eligibility; calls mergeConversations() API.
    • On success, replaces selected items with merged conversation; snackbars for success/error; loading state.
  • Page structure: Wrap in Scaffold with overlayed selection toolbar.
• Backend (FastAPI/DB)
  • New POST /v1/conversations/merge accepting MergeConversationsRequest:
    • Validates existence, non-locked/non-discarded, and chronological consecutiveness (no in-between conversations).
    • Merges transcript segments, photos, action items, events, and audio; computes timestamps; creates new conversation.
    • Runs LLM to generate title/overview/emoji/category; saves merged convo; deletes originals and their vectors (delete_vector(uid, id)).
  • Add merge_conversations in DB layer and MergeConversationsRequest model.
  • Fix vector deletion call to include uid in delete route.

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[Copilot]

Pull Request Overview

This pull request implements a conversation merge feature that allows users to combine multiple consecutive conversations into a single conversation. The feature includes both backend API endpoints and frontend UI components with validation to ensure only chronologically adjacent conversations can be merged.

• Backend API endpoint (/v1/conversations/merge) that validates, merges, and regenerates metadata for conversations using LLM
• Frontend selection mode UI that allows users to select and merge conversations with visual feedback
• Analytics tracking for merge operations and validation to prevent merging locked or discarded conversations

Reviewed Changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
backend/routers/conversations.py	Adds merge endpoint and updates delete_conversation to pass uid to delete_vector
backend/models/conversation.py	Adds MergeConversationsRequest model for API request validation
backend/database/conversations.py	Implements merge_conversations function with validation logic for consecutive conversations
app/pubspec.yaml	Removes deprecated Swift package manager configuration
app/lib/utils/analytics/mixpanel.dart	Adds conversationsMerged analytics tracking method
app/lib/providers/conversation_provider.dart	Implements selection mode state management and merge logic with validation
app/lib/pages/conversations/widgets/conversations_group_widget.dart	Updates widget to support selection mode with callbacks
app/lib/pages/conversations/widgets/conversation_list_item.dart	Adds selection mode UI with checkboxes and long-press handling
app/lib/pages/conversations/conversations_page.dart	Adds merge action bar UI overlay when in selection mode
app/lib/backend/http/api/conversations.dart	Adds mergeConversations API client method with error handling

Comments suppressed due to low confidence (2)

backend/routers/conversations.py:143

• Call to function delete_vector with too many arguments; should be no more than 1.

    delete_vector(uid, conversation_id)

backend/routers/conversations.py:696

• Call to function delete_vector with too many arguments; should be no more than 1.

            delete_vector(uid, conv_id)

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