Publish harness and TUI open-source

initial sync from the monorepo

crates/codegen/xai-grok-hooks/examples/hooks/bin/session-log.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+# session-log.sh — append session events to an audit log
+#
+# Reads the hook envelope from stdin and appends a one-line JSON entry
+# to ~/.grok/session-audit.log with event name, session ID, cwd, and
+# timestamp.
+
+INPUT=$(cat)
+
+EVENT=$(echo "$INPUT" | grep -o '"hookEventName":"[^"]*"' | sed 's/"hookEventName":"//;s/"$//')
+SESSION=$(echo "$INPUT" | grep -o '"sessionId":"[^"]*"' | sed 's/"sessionId":"//;s/"$//')
+CWD=$(echo "$INPUT" | grep -o '"cwd":"[^"]*"' | sed 's/"cwd":"//;s/"$//')
+TIMESTAMP=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
+
+LOG_FILE="${HOME}/.grok/session-audit.log"
+mkdir -p "$(dirname "$LOG_FILE")"
+
+echo "{\"timestamp\":\"${TIMESTAMP}\",\"event\":\"${EVENT}\",\"session\":\"${SESSION}\",\"cwd\":\"${CWD}\"}" >> "$LOG_FILE"