Add missing @beartype decorators

[adamtheturtle]

Summary

• Add @beartype decorator to functions, classes, and dataclasses that have type annotations but were missing runtime type checking
• Covers files in _mock_common, _flask_server, _services_validators, _query_validators, and _requests_mock_server

Test plan

• Run existing test suite to verify no regressions

🤖 Generated with Claude Code

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Note

Medium Risk
Mostly mechanical decorator/signature changes, but new runtime type enforcement and keyword-only parameters can raise errors or break callers that previously passed arguments positionally or with unexpected types.

Overview
Adds missing runtime type checking across the mock Vuforia stack by applying @beartype to several Flask route/hooks (vws.py, vwq.py, target_manager.py), shared dataclasses (_mock_common.py), request-mock server utilities (e.g. MissingSchemeError, route decorators), and services/query validator entrypoints.

Tightens a few validator and routing helper APIs by making some parameters keyword-only (adding * to functions like validate_content_type_header, validate_image_is_image, validate_include_target_data, validate_project_state, and run_services_validators, plus route in the requests-mock APIs), which can break positional-call sites but improves call clarity and type enforcement.

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