test: add unit test for GenerateSimulatedWeights

[adcondev]

• 🎯 What: Added a unit test for GenerateSimulatedWeights in internal/scale/scale_test.go.
• 📊 Coverage: The test verifies that the function returns 6 weights, all values are within the expected range (0.95 - 30.05), and they are formatted to 2 decimal places.
• ✨ Result: Improved test coverage for the simulation logic, ensuring the generated weights are consistent with expectations.

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PR created automatically by Jules for task 13966796903490193589 started by @adcondev

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[github-actions]

👋 Thanks for opening this PR, @adcondev!

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• 🤖 Automated checks will run
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• 👀 A maintainer will review your changes

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• ✅ All tests pass
• 📝 Code follows project conventions
• 📋 Changes are well documented

[github-actions]

⚡ Benchmark Results

⚠️ No benchmarks found in the current codebase.

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✅ All modified and coverable lines are covered by tests.

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