* Create a temporary directory and track it for cleanup. * * @returns {string} Absolute path to the new temp directory

* Resolve the ECC source root directory. * * Tries, in order: * 1. CLAUDE_PLUGIN_ROOT env var (set by Claude Code for hooks, or by user) * 2.

* Run a hook script with simulated Claude Code input * @param {string} scriptPath - Path to the hook script * @param {object} input - Hook input obj

* Hash tool call for loop detection. * Uses tool name + a key parameter when available, otherwise a stable input digest.

Grade a trace against a compliance spec using LLM classification.

* Ensure a directory exists (create if not) * @param {string} dirPath - Directory path to create * @returns {string} The directory path * @throws {

Log with timestamp.

* Read a text file safely

* Log to stderr (visible to user in Claude Code)

* Detect the formatter configured in the project. * Biome takes priority over Prettier. * * @param {string} projectRoot - Absolute path to the proj

* Check if a file path is policy-sensitive.

* Run evaluate-session.js with stdin providing the transcript_path. * Uses spawnSync to capture both stdout and stderr regardless of exit code. * Re

* Analyze a hook input payload and return governance events to capture. * * @param {Object} input - Parsed hook input (tool_name, tool_input, tool_o