[codex] Add Codex environment setup

.codex/README.md

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+# Codex Cloud Environment
+
+Use these repo-local scripts when configuring the Codex cloud environment for `useorgx/skills`.
+
+## Setup script
+
+```bash
+bash .codex/setup-cloud.sh
+```
+
+## Maintenance script
+
+```bash
+bash .codex/maintenance-cloud.sh
+```
+
+## Environment notes
+
+- Python 3 is enough for the repo-level drift checker.
+- No OrgX API secrets are required for static skill drift checks.
+- Keep internet access limited to the setup phase unless a task explicitly needs external services.
+
+## Verification commands
+
+```bash
+python3 scripts/check_skill_tool_drift.py
+```

.codex/cleanup-local-worktree.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "${CODEX_WORKTREE_PATH:-$(dirname "${BASH_SOURCE[0]}")/..}"
+
+if [ -f docker-compose.yml ] || [ -f docker-compose.yaml ] || [ -f compose.yml ] || [ -f compose.yaml ]; then
+  docker compose down --remove-orphans 2>/dev/null || true
+fi
+
+rm -rf .cache/tmp .next/cache .turbo .vitest .wrangler/tmp node_modules/.cache tmp

.codex/maintenance-cloud.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "$(dirname "${BASH_SOURCE[0]}")/.."
+
+python3 --version

.codex/setup-cloud.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "$(dirname "${BASH_SOURCE[0]}")/.."
+
+python3 --version
+python3 scripts/check_skill_tool_drift.py

.codex/setup-local-worktree.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "${CODEX_WORKTREE_PATH:-$(dirname "${BASH_SOURCE[0]}")/..}"
+
+if [ -x .codex/maintenance-cloud.sh ]; then
+  bash .codex/maintenance-cloud.sh
+else
+  echo "No .codex/maintenance-cloud.sh found; skipping local worktree setup."
+fi

AGENTS.md

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+# AGENTS.md
+
+Guidelines for Codex and other agents working in `useorgx/skills`.
+
+## Project
+
+This repo contains OrgX skill definitions and protocol guidance for MCP-capable agents.
+
+## Setup
+
+For Codex cloud, use:
+
+```bash
+bash .codex/setup-cloud.sh
+```
+
+Maintenance script for cached environments:
+
+```bash
+bash .codex/maintenance-cloud.sh
+```
+
+## Verification
+
+```bash
+python3 scripts/check_skill_tool_drift.py
+```
+
+Run the drift checker before claiming skill changes are ready. It is the minimum proof that skill files still reference valid OrgX MCP tool names and required workflow gates.