### What problem does this PR solve?
Fix: The embedded website floating component on the agent page does not
display citations.
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
Introduce comprehensive floating widget customization: add new widget
settings (title, subtitle, footer, colors, mute, streaming) with types
and defaults, and expose them via EmbedDialog UI (split into Embed Setup
and Widget Customization tabs). Persist and load settings through Agent
page by reading/writing globals and wiring an onSaveWidgetSettings
handler to setAgent; show a loading ButtonLoading for saving. Update
embed iframe query params and FloatingChatWidget to honor URL params
(colors, text, mute/streaming) with validation/normalization, color
darkening for gradients, footer link normalization, and improved
styling. Also add copy-to-clipboard in message toolbar, adjust syntax
highlighter layout and Copy button, and add i18n key for muteWidget.
### What problem does this PR solve?
Adds a few fields to the embed widget modal to customize the appearance
of the floating widget when embedded into a page.
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
---------
Co-authored-by: Noah <Noah.Thompson@ecn.forces.gc.ca>
### What problem does this PR solve?
Fix: Clicking the button in the bottom-right corner of the
`/chats/widget` page fails to display the dialog box.
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._
### Type of change
- [x] Refactoring
### What problem does this PR solve?
Feat: Add a web search button to the chat box on the chat page.
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Add a think button to the chat box. #12742
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Fix: Error 102 "Can't find dialog by ID" when embedding agent with
from=agent** #11552
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Feat: Replace antd in the chat message with shadcn. #10427
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Fix: Optimize code and fix ts type errors #9869
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Fix：Text color in Floating Widget (Intercom-style) #10624
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
These changes are intended to implement the remaining functionalities of
the fullscreen widget.
The question arises: how to display document prieview of PDFs in this
floating widget?
- simply enlarge the widget window
- implement zoom in/out
- render outside the iframe?
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Add a chat widget. I'll probably need some assistance to get this ready
for merge!
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
Co-authored-by: Mohamed Mathari <nocodeventure@Mac-mini-van-Mohamed.fritz.box>
