[pratheep-bit]

Summary of Changes (8 Atomic Commits)

1. Vendor-Neutral Documentation: Replaced proprietary competitor product references in README.md, site/index.html, and scanner/suppression.py with standardized category terminology.
2. Detector Count Reconciliation: Updated detector badge in README.md to accurately reflect 28 active rules in the engine registry.
3. SARIF Upload Action Upgrade: Bumped github/codeql-action/upload-sarif from v3 to v4 across action.yml and scanner-ci.yml.
4. CI Concurrency Optimization: Configured workflow concurrency groups with cancel-in-progress: true to avoid pipeline congestion.
5. Schema Discovery Performance: Optimized DocType JSON discovery in scanner/schema/engine.py by hoisting directory base name resolution.
6. Rule Parity Enforcement: Updated tests/test_all_rules.py to strictly enforce exact 28 active rules parity.
7. CLI Documentation: Documented standard CLI exit codes (0 = clean, 1 = failure/error) in scanner/cli.py help epilog.
8. Python 3.14 Packaging: Declared Python 3.14 environment classifier in pyproject.toml.

Quality & Verification

• All 306 unit and integration tests pass without regression.
• No local, internal, or temporary files included.
• Adheres strictly to anonymity and zero-exposure guidelines.