Support Shell Ecosystem Code Indexing (Bash, ZSH, etc.)

Problem to Solve

Shell scripting (Bash, ZSH, Fish, etc.) is fundamental to DevOps, infrastructure automation, and system administration. Shell scripts are prevalent in CI/CD pipelines, deployment automation, and configuration management across organizations. Currently, the Knowledge Graph lacks shell script support, limiting code intelligence features for DevOps engineers and system administrators.

Proposed Solution

Implement a Shell parser that extracts code entities (functions, variables, commands) and their relationships (calls, sourcing, dependencies) so the Knowledge Graph can index and search shell scripts intelligently.

/cc @michaelangeloio