fix: improve policy reporting

[jaronoff97]

No description provided.

[macroscopeapp]

Approvability

Verdict: Needs human review

This PR removes the IncludeZeroHitPolicyStats option and changes CollectStats() to always include all policies. This is a runtime behavior change that affects API consumers who will now receive stats for policies that previously would have been filtered out.

No code changes detected at 7ca4ec3. Prior analysis still applies.

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