Add claude slash command /build

[jrvaldes]

this commit introduces the /build command to enable building the operator and daemon binaries right into Claude code assist.

Console output:

> /build is running… 
  ⎿  Allowed 1 tools for this command

● I'll help you build the Windows Machine Config Operator project. Let me validate the prerequisites and execute the build.

● Let me validate the prerequisites and check the current state:

● Bash(go version)
  ⎿  go version go1.24.6 linux/amd64

● Bash(git status --short)

● Bash(ls -lh build/_output/bin/ 2>/dev/null || echo "No existing binaries")
  ⎿  total 186M                                                                        
     -rwxr-xr-x. 1    49M Dec 15 15:04 windows-instance-config-daemon.exe
     -rwxr-xr-x. 1   138M Dec 15 15:07 windows-machine-config-operator

● Good! Prerequisites are met:
  - Go 1.24.6 is available (meets requirement of 1.24+)
  - Git status shows staged changes for Claude commands and docs (not build-related)
  - Existing binaries found in build/_output/bin/

● Now let me remove existing binaries to avoid conflicts:

● Bash(rm -f build/_output/bin/windows-machine-config-operator build/_output/bin/windows-instance-config-daemon.exe &&
      echo "Existing binaries removed")
  ⎿  Existing binaries removed

● Now let me build the operator (default target):

● Bash(time make build) timeout: 5m 0s
  ⎿  go fmt ./...                                      
     go vet ./...
     build/build.sh "build/_output" 10.21.0 -mod=vendor
     … +5 lines (ctrl+o to expand)

● Let me verify the build output:

● Bash(ls -lh build/_output/bin/)
  ⎿  total 138M                                                                     
     -rwxr-xr-x. 1   138M Dec 15 15:11 windows-machine-config-operator

● Build Successful!

  Target: operator
  Status: ✓ Completed successfully

  Build Details:
  - Binary: build/_output/bin/windows-machine-config-operator
  - Size: 138 MB
  - Build time: 6.3 seconds (real time)
  - Version: 10.21.0

  Build Steps Completed:
  1. go fmt ./... - Code formatting check
  2. go vet ./... - Static analysis
  3. Compilation with vendor modules

  The operator binary is ready to use at build/_output/bin/windows-machine-config-operator.

  If you need to build the Windows daemon as well, you can run /build daemon or /build all to build both components.

> /build is running… daemon 
  ⎿  Allowed 1 tools for this command

● I'll build the Windows daemon component now.

● Bash(ls -lh build/_output/bin/ 2>/dev/null || echo "No existing binaries")
  ⎿  total 138M                                                                     
     -rwxr-xr-x. 1   138M Dec 15 15:11 windows-machine-config-operator

● Good, no daemon binary exists yet. Let me proceed with building:

● Bash(time env GOOS=windows GOARCH=amd64 go build -o "build/_output/bin/windows-instance-config-daemon.exe"  timeout: 5m 
      ./cmd/daemon)                                                                                           0s

  ⎿  real       0m1.382
     user       0m2.254s
     sys        0m0.743s

● Bash(ls -lh build/_output/bin/)
  ⎿  total 186M                                                                        
     -rwxr-xr-x. 1    49M Dec 15 15:12 windows-instance-config-daemon.exe
     -rwxr-xr-x. 1   138M Dec 15 15:11 windows-machine-config-operator

● Build Successful!

  Target: daemon
  Status: ✓ Completed successfully

  Build Details:
  - Binary: build/_output/bin/windows-instance-config-daemon.exe
  - Size: 49 MB
  - Build time: 1.4 seconds (real time)
  - Platform: Windows AMD64 (cross-compiled from Linux)

  All Binaries in build/_output/bin/:
  - windows-instance-config-daemon.exe - 49 MB (Windows daemon/WICD)
  - windows-machine-config-operator - 138 MB (Linux operator)

  Both components are now built and ready. The daemon binary can be deployed to Windows nodes where it runs as the WICD service.

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Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jrvaldes

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