Feat: add LongCat-Flash-Chat (infiniflow#9973)

### What problem does this PR solve?

Add LongCat-Flash-Chat from Meituan, deepseek v3.1 from SiliconFlow,
kimi-k2-09-05-preview and kimi-k2-turbo-preview from Moonshot.

### Type of change

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

Fix: search list permission (infiniflow#9767)

### What problem does this PR solve?

Search list permission.

### Type of change

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

Docs: Updated v0.20.3 release notes (infiniflow#9583)

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

- [x] Documentation Update

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Co-authored-by: Kevin Hu <[email protected]>

Fix (next search): Optimize the search problem interface and related …

…functions infiniflow#3221 (infiniflow#9569)

### What problem does this PR solve?

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

Refa: code format. (infiniflow#9342)

### What problem does this PR solve?


### Type of change

- [x] Refactoring

Fix: Share-log bugs (infiniflow#9172)

### What problem does this PR solve?

Fix Share-log bugs infiniflow#3221

### Type of change

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

Fix: Fixed the issue where tag content would overflow the container i…

…nfiniflow#8392 (infiniflow#8393)

### What problem does this PR solve?

Fix: Fixed the issue where tag content would overflow the container
infiniflow#8392
### Type of change

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

Fix: catch non-begin component output (infiniflow#7827)

### What problem does this PR solve?

Catch non-begin component output

### Type of change

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

Fix: catch non-begin component output (infiniflow#7827)

### What problem does this PR solve?

Catch non-begin component output

### Type of change

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

Refa: knowledge_graph chunk method is deprecated (infiniflow#7220)

### What problem does this PR solve?

The knowledge_graph chunk method is deprecated and should no longer be
used. infiniflow#7184.

### Type of change

- [x] Refactoring