[feat][prompt] prompt sync

[caijialin0626]

What type of PR is this?

feat

Check the PR title.

• This PR title matches the format: [feat][prompt]: prompt integration.
• The description of this PR title is user-oriented and clear enough for others to understand.
• Add documentation if the current PR requires user awareness at the usage level.
• This PR is written in English. PRs not in English will not be reviewed.

(Optional) Translate the PR title into Chinese.

[功能][prompt]：Prompt 一体化

(Optional) More detailed description for this PR (en: English / zh: Chinese).

en:

• prompt integration

zh (optional):

• prompt 一体化

(Optional) Which issue(s) this PR fixes:

None.

[codecov]

Codecov Report

❌ Patch coverage is 87.57062% with 44 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
backend/modules/prompt/infra/rpc/convertor/chat.go	71.60%	15 Missing and 8 partials ⚠️
backend/modules/prompt/domain/service/manage.go	76.38%	9 Missing and 8 partials ⚠️
...i/handler/coze/loop/apis/prompt_open_apiservice.go	0.00%	2 Missing ⚠️
...d/modules/foundation/domain/file/service/server.go	93.10%	1 Missing and 1 partial ⚠️

❌ Your patch check has failed because the patch coverage (78.75%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

@@            Coverage Diff            @@
##           main     #255       +/-   ##
=========================================
+ Coverage      0   67.88%   +67.88%     
=========================================
  Files         0      566      +566     
  Lines         0    49996    +49996     
=========================================
+ Hits          0    33938    +33938     
- Misses        0    13403    +13403     
- Partials      0     2655     +2655     

Flag	Coverage Δ
unittests	67.88% <87.57%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
backend/modules/foundation/application/file.go	28.57% <100.00%> (ø)
...nd/modules/prompt/application/convertor/openapi.go	91.58% <100.00%> (ø)
...end/modules/prompt/application/convertor/prompt.go	81.01% <100.00%> (ø)
backend/modules/prompt/application/debug.go	64.90% <100.00%> (ø)
backend/modules/prompt/application/execute.go	84.67% <100.00%> (ø)
backend/modules/prompt/application/openapi.go	91.97% <100.00%> (ø)
...kend/modules/prompt/domain/entity/prompt_detail.go	86.25% <100.00%> (ø)
backend/modules/prompt/domain/service/service.go	0.00% <ø> (ø)
backend/modules/prompt/infra/rpc/file.go	100.00% <100.00%> (ø)
backend/modules/prompt/pkg/template/go_template.go	100.00% <100.00%> (ø)
... and 4 more

... and 552 files with indirect coverage changes

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