
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 that \\(f(x)\\) is an odd function defined on \\(\mathbb{R}\\), and when \\(x \geqslant 0\\), \\(f(x) = m - 3^{x}\\)  
\\((1)\\) Find the expression for the function \\(f(x)\\);  
\\((2)\\) When \\(x \in [2, 8]\\), the inequality \\(f\left(\left(\log_2 x\right)^2\right) + f\left(5-a\log_2 x\right) \geqslant 0 \\) always holds, find the range of the real number \\(a\\).

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