
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 line $l: \sqrt{3}x - y + 1 = 0$, and the equation $x^{2} + y^{2} - 2mx - 2y + m + 3 = 0$ represents a circle.  
(Ⅰ) Find the range of values for the real number $m$;  
(Ⅱ) When $m = -2$, determine the positional relationship between line $l$ and the circle. If they intersect, calculate the corresponding chord length.

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