**Task Summary: Add a Share Button `[2f488f42]`**

**Status:** ✅ Done

**Project:** Meeting Assistant (Transcription Tool)

**Changes Implemented:**
- A new "Share" button has been successfully added to the toolbar in the transcript detail view.
- The button is visually aligned with the existing "Copy" and "Download" actions, utilizing the `Share2` icon for consistency.
- The feature is UI-only as per the requirements; clicking the button currently triggers a placeholder alert. No backend or sharing logic has been implemented yet.

**Next Steps:**
- The functionality for sharing can be implemented in a future task.
- The change is ready to be committed and pushed.