### What problem does this PR solve?

Lots of typo, also need to merge into DEMO

### Type of change

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

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

### What problem does this PR solve?
#3056

### Type of change

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

### What problem does this PR solve?

#2478

### Type of change

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

### What problem does this PR solve?

#2478

### 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: The size of operators created from agent templates is displayed
incorrectly #1863
### Type of change

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

### What problem does this PR solve?

#1594

### Type of change

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

### What problem does this PR solve?


### Type of change

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

### What problem does this PR solve?

### Type of change

- [x] Refactoring

### What problem does this PR solve?
#918 

### Type of change

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