feat: add Codex CLI customization scripts (#336)

* chore(codex): add global ecc sync script and pnpm mcp config

* chore(codex): include codex supplement when syncing agents

* feat(codex): add global git safety hooks and QA/rule prompt packs

* feat(codex): add global regression sanity check command

---------

Co-authored-by: TGreen87 <your-email@example.com>

scripts/codex-git-hooks/pre-commit

@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# ECC Codex Git Hook: pre-commit
+# Blocks commits that add high-signal secrets.
+
+if [[ "${ECC_SKIP_GIT_HOOKS:-0}" == "1" || "${ECC_SKIP_PRECOMMIT:-0}" == "1" ]]; then
+  exit 0
+fi
+
+if [[ -f ".ecc-hooks-disable" || -f ".git/ecc-hooks-disable" ]]; then
+  exit 0
+fi
+
+if ! git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
+  exit 0
+fi
+
+staged_files="$(git diff --cached --name-only --diff-filter=ACMR || true)"
+if [[ -z "$staged_files" ]]; then
+  exit 0
+fi
+
+has_findings=0
+
+scan_added_lines() {
+  local file="$1"
+  local name="$2"
+  local regex="$3"
+  local added_lines
+  local hits
+
+  added_lines="$(git diff --cached -U0 -- "$file" | awk '/^\+\+\+ /{next} /^\+/{print substr($0,2)}')"
+  if [[ -z "$added_lines" ]]; then
+    return 0
+  fi
+
+  if hits="$(printf '%s\n' "$added_lines" | rg -n --pcre2 "$regex" 2>/dev/null)"; then
+    printf '\n[ECC pre-commit] Potential secret detected (%s) in %s\n' "$name" "$file" >&2
+    printf '%s\n' "$hits" | head -n 3 >&2
+    has_findings=1
+  fi
+}
+
+while IFS= read -r file; do
+  [[ -z "$file" ]] && continue
+
+  case "$file" in
+    *.png|*.jpg|*.jpeg|*.gif|*.svg|*.pdf|*.zip|*.gz|*.lock|pnpm-lock.yaml|package-lock.json|yarn.lock|bun.lockb)
+      continue
+      ;;
+  esac
+
+  scan_added_lines "$file" "OpenAI key" 'sk-[A-Za-z0-9]{20,}'
+  scan_added_lines "$file" "GitHub classic token" 'ghp_[A-Za-z0-9]{36}'
+  scan_added_lines "$file" "GitHub fine-grained token" 'github_pat_[A-Za-z0-9_]{20,}'
+  scan_added_lines "$file" "AWS access key" 'AKIA[0-9A-Z]{16}'
+  scan_added_lines "$file" "private key block" '-----BEGIN (RSA|EC|OPENSSH|DSA|PRIVATE) KEY-----'
+  scan_added_lines "$file" "generic credential assignment" "(?i)\\b(api[_-]?key|secret|password|token)\\b\\s*[:=]\\s*['\\\"][^'\\\"]{12,}['\\\"]"
+done <<< "$staged_files"
+
+if [[ "$has_findings" -eq 1 ]]; then
+  cat >&2 <<'EOF'
+
+[ECC pre-commit] Commit blocked to prevent secret leakage.
+Fix:
+1) Remove secrets from staged changes.
+2) Move secrets to env vars or secret manager.
+3) Re-stage and commit again.
+
+Temporary bypass (not recommended):
+  ECC_SKIP_PRECOMMIT=1 git commit ...
+EOF
+  exit 1
+fi
+
+exit 0