
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given the function $f(x) = e^{\lambda x} - \lambda \ln x$.  
$(1)$ When $\lambda = -1$, find the monotonic interval of the function $f(x)$.  
$(2)$ If $0 < \lambda < e$, and the minimum value of the function $f(x)$ is denoted as $h(\lambda)$, find the range of $h(\lambda)$.

Present the answer in LaTex format: \boxed{Your answer}
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