fix(makefile): remove stale clean target cleanup

[mrinalchaturvedi27]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

This updates make clean so it removes the Go binary output and Python package build artifacts. It also adds the clean target to make help.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

No generated files changed. I checked the target with make -n clean, make clean, and make help.

Does this PR introduce a user-facing change?:

NONE

What I fixed

I fixed make clean.

The Makefile builds Go binaries inside bin/, and the Python SDK and CLI build targets write packages to sdk-python/dist/ and cmd/cli/dist/. The old clean target removed only bin/.

How I checked it

I checked the Makefile build targets and confirmed the Go and Python build output paths.

What I changed

I removed the unused root-level rm -f line, added a help description for clean, and included the Python package dist/ folders in cleanup.

Why this is okay

This is a small cleanup fix. The target now matches the actual build outputs and appears in make help.

Validation

• make -n clean - Passed.
• make clean - Passed.
• make help - Passed; clean is listed with its description.
• DCO check - Passed; both commits have Signed-off-by lines.

[volcano-sh-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[gemini-code-assist]

Code Review

This pull request simplifies the clean target in the Makefile by removing specific binary deletions. Review feedback suggests adding a help description to the target for consistency and expanding the cleanup command to include build artifacts from the Python SDK and CLI directories.

[Copilot]

Pull request overview

Removes a stale root-level binary cleanup step from make clean, aligning the clean target with the actual build output location (bin/) used by AgentCube’s Makefile-based build workflow.

Changes:

• Drop rm -f workloadmanager agentd agentcube-router from the clean target since builds already output to bin/.
• Keep make clean focused on removing bin/, which contains the built artifacts produced by go build -o bin/....

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 49.12%. Comparing base (524e55e) to head (574fb91).
⚠️ Report is 54 commits behind head on main.
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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #330      +/-   ##
==========================================
+ Coverage   47.57%   49.12%   +1.55%     
==========================================
  Files          30       30              
  Lines        2819     2858      +39     
==========================================
+ Hits         1341     1404      +63     
+ Misses       1338     1301      -37     
- Partials      140      153      +13     

Flag	Coverage Δ
unittests	49.12% <ø> (+1.55%)	⬆️

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[mrinalchaturvedi27]

Hi @hzxuzhonghu @YaoZengzeng quick ping for this PR :)