
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 $f(x)=4\cos(\omega x)\cdot\sin(\omega x+ \frac {\pi}{4})$ with $\omega > 0$, the smallest positive period is $\pi$.  
(I) Find the value of $\omega$;  
(II) Discuss the monotonicity of $f(x)$ in the interval $[0, \frac {\pi}{2}]$.

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