feat(manager): add ratelimiter for job oapi

[gaius-qi]

Description

This pull request includes the removal of a large test file and the addition of a rate limiter middleware to a job creation endpoint. Below are the key changes:

Test file removal:

• The file client/daemon/peer/piece_dispatcher_test.go was entirely removed. This file contained extensive test code for the PieceDispatcher functionality, including helper classes, test cases, and concurrency logic.

Middleware addition:

• In manager/router/router.go, a rate limiter middleware (middlewares.CreateJobRateLimiter) was added to the POST endpoint for job creation (/jobs). This change aims to control the rate of job creation requests.

Related Issue

Motivation and Context

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.

[chlins]

lgtm

[Liam-Zhao]

LGTM

[BruceAko]

LGTM

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 33.26%. Comparing base (cee86a5) to head (79ccf74).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
manager/router/router.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##           main    #4088       +/-   ##
=========================================
+ Coverage      0   33.26%   +33.26%     
=========================================
  Files         0      346      +346     
  Lines         0    40493    +40493     
=========================================
+ Hits          0    13471    +13471     
- Misses        0    26131    +26131     
- Partials      0      891      +891     

Flag	Coverage Δ
unittests	33.26% <0.00%> (?)

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

Files with missing lines	Coverage Δ
manager/router/router.go	0.00% <0.00%> (ø)

... and 345 files with indirect coverage changes

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[chlins]

lgtm