fix: harden review and verifier governance

scripts/git_commit_status_test.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT_DIR"
+
+TMP_DIR="$(mktemp -d)"
+trap 'rm -rf "$TMP_DIR"' EXIT
+
+CLEAN_REPO="$TMP_DIR/repo"
+mkdir -p "$CLEAN_REPO"
+cd "$CLEAN_REPO"
+git init -q
+printf 'tracked\n' > tracked.txt
+git add tracked.txt
+git config user.email test@example.com
+git config user.name test
+
+git commit -qm 'init'
+
+CLEAN_OUTPUT="$(bash /home/long/project/llm-intelligence/scripts/git_commit_status_report.sh clean)"
+printf '%s' "$CLEAN_OUTPUT" | grep -q 'state=clean'
+printf '%s' "$CLEAN_OUTPUT" | grep -q 'severity=normal'
+
+printf 'dirty\n' >> tracked.txt
+DIRTY_OUTPUT="$(bash /home/long/project/llm-intelligence/scripts/git_commit_status_report.sh dirty)"
+printf '%s' "$DIRTY_OUTPUT" | grep -q 'state=dirty'
+printf '%s' "$DIRTY_OUTPUT" | grep -q 'tracked_modified=1'
+printf '%s' "$DIRTY_OUTPUT" | grep -q 'commit_hint=needed'
+printf '%s' "$DIRTY_OUTPUT" | grep -q 'severity=warning'
+
+for i in $(seq 1 60); do
+  printf 'u%d\n' "$i" > "untracked_$i.txt"
+done
+BLOCKER_OUTPUT="$(WORKTREE_BLOCKER_THRESHOLD=50 bash /home/long/project/llm-intelligence/scripts/git_commit_status_report.sh blocker)"
+printf '%s' "$BLOCKER_OUTPUT" | grep -q 'severity=blocker'