fix: Makefile handle space in go1.25.10 X:nodwarf5

[opsec-ai]

📝 Description

Well, it wouldn't compile. So I fiddled around with the "Makefoible" and discovered that it checks for go env GOVERSION and the build bails out with an error because of spaces in the return string.

github.com/sipeed/picoclaw/cmd/picoclaw/internal/gateway
github.com/sipeed/picoclaw/cmd/picoclaw
# github.com/sipeed/picoclaw/cmd/picoclaw
usage: link [options] main.o
  -B note
        set ELF NT_GNU_BUILD_ID note or Mach-O UUID; use "gobuildid" to generate it from the Go build ID; "none" to disable
        [snip]
  -v    print link trace
  -w    disable DWARF generation
make: *** [Makefile:207: build] Error 1

My go version:

$ go env GOVERSION
go1.25.10 X:nodwarf5

The fix was pretty simple. Use Makefile convention to split on first word.

🗣️ Type of Change

• [☑️] 🐞 Bug fix (non-breaking change which fixes an issue)
• ✨ New feature (non-breaking change which adds functionality)
• 📖 Documentation update
• [☑️] ⚡ Code refactoring (no functional changes, no api changes)

🤖 AI Code Generation

• 🤖 Fully AI-generated (100% AI, 0% Human)
• 🛠️ Mostly AI-generated (AI draft, Human verified/modified)
• 👨‍💻 Mostly Human-written (Human lead, AI assisted or none)

🔗 Related Issue

📚 Technical Context (Skip for Docs)

• Reference URL:
• Reasoning:

🧪 Test Environment

• Hardware: Linux laptop
• OS: Fedora 43
• Model/Provider: Bonsai-4B-Q1_0.gguf
• Channels:

📸 Evidence (Optional)

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☑️ Checklist

• My code/docs follow the style of this project.
• [☑️] I have performed a self-review of my own changes.
• I have updated the documentation accordingly.

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