Validate hypercylindrical particle filter counts

[FlorianPfaff]

Bug

HypercylindricalParticleFilter used n_particles, bound_dim, and lin_dim directly in array-shape arithmetic. Since Python and NumPy booleans are integer-like, inputs such as n_particles=True or lin_dim=False were silently interpreted as 1 or 0, constructing a filter with different dimensions instead of rejecting invalid configuration. Other malformed counts failed later with backend-specific errors.

Fix

• validate n_particles using the established positive-count validator shared by particle filters;
• validate bound_dim and lin_dim using the cartesian-product dimension validator;
• reject zero total dimension before allocating state arrays.

Regression coverage

• accept scalar NumPy integer counts;
• reject boolean, non-scalar, fractional, negative, and zero-invalid counts;
• reject a zero-dimensional state.

Validation

• edited source and test files parse successfully with Python's AST parser;
• branch is 2 commits ahead and 0 behind main;
• full GitHub Actions matrix is authoritative.

[github-actions]

✅MegaLinter analysis: Success

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
✅ COPYPASTE	jscpd	yes		no	no	26.6s
✅ JSON	prettier	7	0	0	0	1.12s
✅ JSON	v8r	7		0	0	3.51s
✅ MARKDOWN	markdownlint	68	0	0	0	1.88s
✅ MARKDOWN	markdown-table-formatter	68	0	0	0	0.63s
✅ PYTHON	black	1865	87	0	0	90.19s
✅ PYTHON	isort	1865	139	0	0	2.69s
✅ REPOSITORY	betterleaks	yes		no	no	2.66s
✅ REPOSITORY	checkov	yes		no	no	52.33s
✅ REPOSITORY	gitleaks	yes		no	no	17.28s
✅ REPOSITORY	git_diff	yes		no	no	0.31s
✅ REPOSITORY	secretlint	yes		no	no	83.2s
✅ REPOSITORY	syft	yes		no	no	5.98s
✅ REPOSITORY	trivy-sbom	yes		no	no	5.44s
✅ REPOSITORY	trufflehog	yes		no	no	32.19s
✅ YAML	prettier	11	0	0	0	0.66s
✅ YAML	v8r	11		0	0	10.49s
✅ YAML	yamllint	11		0	0	0.55s

Notices

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