Add requirements.txt for Snyk vulnerability scanning

Snyk needs a manifest file in repo root. Source of truth remains
pyproject.toml — this file mirrors the same dependencies.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: aksOps

requirements.txt

@@ -0,0 +1,13 @@
+# Auto-generated for Snyk scanning — source of truth is pyproject.toml
+typer>=0.9
+rich>=13.0
+tree-sitter>=0.23
+tree-sitter-java>=0.23
+tree-sitter-python>=0.23
+tree-sitter-typescript>=0.23
+tree-sitter-javascript>=0.23
+networkx>=3.2
+lxml>=5.0
+pyyaml>=6.0
+sqlparse>=0.5
+pydantic>=2.0