Refactored the automated Fidelity Verification runner script (vibe-check-runner.js) to satisfy the Zero-Approval architectural rules:

• Modified the success commit message to properly reflect [chore: fidelity-pass] instead of [chore: benchmark-sync].
• Implemented robust Modularity by exporting internal functions (fileOrDirExists, getModifiedFiles, syncBenchmarks, simulateAIGeneration, analyzeAST) and wrapping the main runVibeCheck routine in an ES module execution guard (import.meta.url === pathToFileURL(process.argv[1]).href).
• Redesigned for Concurrency: Deduplicated asynchronous operations by dynamically grouping changed documentation files by technology stack. Parallelized code generation (Gemini) and AST Analysis operations using Promise.all while ensuring Git and GitHub CLI operations resolve sequentially to eliminate race conditions.
• Handled concurrency safely with local TS-Morph instances and dynamically randomized filenames.
• Adhered strictly to ES Module configurations across the TypeScript and AST layers.
• Verified workspace cleanliness (no scratchpad artifacts remaining).

PR created automatically by Jules for task 10779280905461508931 started by @beginwebdev2002