### What problem does this PR solve?

#9611
#9603 #9597

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Fix: Remove the file size and quantity restrictions of the upload
control #9613 #9598

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Using AST parsing to handle markdown more accurately, preventing
components from being cut off by chunking. #9564

<img width="1746" height="993" alt="image"
src="https://github.com/user-attachments/assets/4aaf4bf6-5714-4d48-a9cf-864f59633f7f"
/>

<img width="1739" height="982" alt="image"
src="https://github.com/user-attachments/assets/dc00233f-7a55-434f-bbb7-74ce7f57a6cf"
/>

<img width="559" height="100" alt="image"
src="https://github.com/user-attachments/assets/4a556b5b-d9c6-4544-a486-8ac342bd504e"
/>


### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Feature (web): Optimize dataset pages and segmented components #3221
-Add the activeClassName property to Segmented components to customize
the selected state style
-Update the icons and captions of the relevant components on the dataset
page
-Modify the parsing status column title of the dataset table
-Optimize the Segmented component style of the homepage application
section

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Expand the capabilities of the MCP Server. #8644.

Special thanks to @Drasek, this change is largely based on his original
implementation, it is super neat and well-structured to me. I basically
just integrated his code into the codebase with minimal modifications.

My main contribution is implementing a proper cache layer for dataset
and document metadata, using the LRU strategy with a 300s ± random 30s
TTL. The original code did not actually perform caching.

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

---------

Co-authored-by: Caspar Armster <caspar@armster.de>

### What problem does this PR solve?


### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Feat: Updated some colors according to the design draft #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Fix (web): Optimize text display effect
-Add text ellipsis and overflow hidden classes to the HomeCard component
to achieve text overflow hiding and ellipsis effects
-Add text ellipsis and overflow hidden classes to the DatasetSidebar
component to improve the display of dataset names

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Fix: Fixed the issue where the save button at the bottom of the chat
page could not be displayed on small screens #3221

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

When the `dataset_ids` parameter is omitted in the **update assistant**
request, Passing an empty array `[]` triggers a misleading
message"Dataset use different embedding models", while omitting the
field does not.
To fix this, we:
- Provide a default empty list: `ids = req.get("dataset_ids", [])`.  
- Replace the `is not None` check with a truthy check: `if ids:`.

**Files changed**  
`api/apps/sdk/chat.py`  
- L153: `ids = req.get("dataset_ids")` → `ids = req.get("dataset_ids",
[])`
- L156: `if ids is not None:` → `if ids:`

### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

https://github.com/infiniflow/ragflow/issues/9545
add backward compatible logics

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Fix (web): Update the style of segmented controls and add metallic
texture gradients #3221
-Modified the selected state style of Segmented components, adding
metallic texture gradient and lower border
-Added a metallic gradient background image in tailwind.diag.js
-Added the -- metallic variable in tailwind.css to define metallic
texture colors

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

Reverts infiniflow/ragflow#9582

### What problem does this PR solve?

In 0.19.0 reference is list,and it should be a list,otherwise last
conversation's reference will be lost

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Feat: Make the old page accessible via URL #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?
### Type of change

- [x] Documentation Update

---------

Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>

### What problem does this PR solve?

- Update version tags in README files (including translations) from
v0.20.2 to v0.20.3
- Modify Docker image references and documentation to reflect new
version
- Update version badges and image descriptions
- Maintain consistency across all language variants of README files

### Type of change

- [x] Documentation Update

### What problem does this PR solve?

Fix: Fixed the issue where the model configuration page could not be
scrolled #9572

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Fix home card not responding to click events

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
- [ ] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

### What problem does this PR solve?

Fix (next search): Optimize the search problem interface and related
functions #3221

-Add search_id to the retrievval_test interface
-Optimize handleSearchStrChange and handleSearch callbacks to determine
whether to enable AI search based on search configuration

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Fix: Reset all data except the first one on the chat page shared with
others #3221

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?


### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Fix: Fixed an issue where renaming a chat would create a new chat #3221
### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

 Create new name for duplicated dialog name.

### Type of change

- [x] Refactoring

### What problem does this PR solve?

Feat: Switch the root route to the new page #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?


### Type of change


- [x] Documentation Update

### What problem does this PR solve?

Fix (search): Search application list supports renaming function #3221

-Update the search application list page and add a renaming operation
entry
-Modify the search application details interface to support obtaining
detailed information
-Optimize search settings page layout and style

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

- Update version tags in README files (including translations) from
v0.20.1 to v0.20.2
- Modify Docker image references and documentation to reflect new
version
- Update version badges and image descriptions
- Maintain consistency across all language variants of README files

### Type of change

- [x] Documentation Update

### What problem does this PR solve?


### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Fix: Fixed the issue where clicking the SQL tool test button did not
request the interface #9541
### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Refactor OpenAI to enable audio parsing.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
- [x] Refactoring

### What problem does this PR solve?

### Type of change


- [x] Documentation Update

### What problem does this PR solve?

Improve VoyageRerank not texts handling

### Type of change

- [x] Refactoring

### What problem does this PR solve?

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Allow Retrieval kb_ids param use kb_id,and allow list kb_name or kb_id。
- Add judgment on whether the knowledge base name is a list and support
batch queries
-When the knowledge base name does not exist, try using the ID for
querying
-If both query methods fail, throw an exception

### Type of change
- [x] New Feature (non-breaking change which adds functionality)

Move stop_event.wait(6) into finally block so that even when an
exception occurs, the loop still sleeps before retrying. This prevents
busy looping and excessive error logs when Redis connection fails.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Feat: Allow agent operators to select speech-to-text models #3221
### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

feat(search): Optimized search functionality and user interface #3221
### Type of change
- Added similarity threshold adjustment function
- Optimized mind map display logic
- Adjusted search settings interface layout
- Fixed related search and document viewing functions
- Optimized time display and node selection logic

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Refine search app.

### Type of change

- [x] Refactoring

### What problem does this PR solve?

- Update search_app.py to use SearchService instead of
KnowledgebaseService for duplicate

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Add dialog chatbots info.

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Feat: Displays the embedded page of the chat module #3221
Feat: Let the agen operator support the selection of tts model #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Fix Gemini parameters error.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

---------

Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>

### What problem does this PR solve?

Fix (search): Optimize the search page functionality and UI #3221 

- Add a search list component
- Implement search settings
- Optimize search result display
- Add related search functionality
- Adjust the search input box style
- Unify internationalized text

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?


### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Add embedded search functionality.

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

---------

Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>

### What problem does this PR solve?

- Update httpx dependency to include socks support in pyproject.toml
- Update lockfile with new socksio dependency

### Type of change

- [x] Update dependencies for proxy support

### What problem does this PR solve?

Feat: Fixed the chat model setting echo issue

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

1. Use input length to prepare res
2. Adjust torch_empty_cache code location

### Type of change

- [x] Refactoring
- [x] Performance Improvement

### What problem does this PR solve?

There is a problem with the implementation of the Agent begin-form:
although the enablePrologue switch and the prologue input box are hidden
in Task mode, these values are still saved in the form data. If the user
first enables the opening and sets the content in Conversational mode,
and then switches to Task mode, these values will still be saved and may
be used in some scenarios.
### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)