cm-identity-guard

Identity Guard — Multi-Account Safety Protocol

TL;DR

• Use before any git push, Cloudflare deploy, or Supabase op
• Verifies: GitHub account, CF account, Supabase project match expected
• Prevents: wrong-account deploys, cross-project secret leaks

Overview

Working across multiple projects, clients, and platforms means one wrong git push or wrangler deploy can publish work to the wrong account. This skill establishes a mandatory identity check before any operation that touches external services.

[!CAUTION] Real incidents this skill prevents:

• Pushed client code to personal GitHub repo
• Deployed to wrong Cloudflare account (different org's Pages project, billing confusion)
• Used personal Supabase ANON_KEY in a client project (wrong DB entirely)
• git config user.email was personal email → commits show wrong author in client repo

The Iron Law

NEVER push, deploy, or use secrets WITHOUT verifying identity first.
ASK: Which account? Which project? Which database?
ONE command verifies all three. Run it. Always.

When to Use

ALWAYS before:

• git push or git commit in a project with multiple account contexts
• wrangler pages deploy or any Cloudflare operation
• Creating or accessing a Supabase/Neon client
• Setting up a new project from scratch
• Resuming work after switching between personal and work projects

Account Registry (Your Known Accounts)

Maintain this table in your head (or in .project-identity.json):

GitHub Accounts

Cloudflare Accounts

Database Accounts

Phase 0: Project Identity File

Every project MUST have a .project-identity.json in the project root:

{
  "name": "my-awesome-project",
  "description": "An awesome internal tool",
  "github": {
    "account": "my-work-org",
    "org": "my-work-org",
    "repo": "my_project_repo",
    "remoteUrl": "https://github.com/my-work-org/my_project_repo.git",
    "userEmail": "[email protected]"
  },
  "cloudflare": {
    "accountId": "abc123def456ghi789jkl012mno345pqr",
    "projectName": "my-frontend-app",
    "stagingUrl": "https://my-app-staging.pages.dev",
    "productionUrl": "https://myapp.workdomain.com",
    "productionBranch": "production"
  },
  "database": {
    "provider": "supabase",
    "projectName": "my-database-project",
    "urlVar": "SUPABASE_URL",
    "anonKeyVar": "SUPABASE_ANON_KEY",
    "serviceKeyVar": "SUPABASE_SERVICE_KEY",
    "secretsStore": "cloudflare-secrets"
  },
  "i18n": {
    "primary": "vi",
    "languages": ["vi", "en", "th", "ph"],
    "dir": "public/static/i18n"
  }
}

[!IMPORTANT] Add .project-identity.json to git but NEVER put actual secrets in it — only variable NAMES and account IDs. Secrets live in .dev.vars (local) or Cloudflare Secrets (production).

Phase 1: Identity Verification

The One-Liner Check

Run this before any push or deploy:

# Full identity check — GitHub + Git user + CF account + DB config
echo "=== GitHub CLI ===" && gh auth status 2>&1 | grep -E "Logged in|github.com" && \
echo "=== Git Remote ===" && git remote get-url origin && \
echo "=== Git User ===" && git config user.name && git config user.email && \
echo "=== Cloudflare ===" && cat wrangler.jsonc | grep -E "account_id|project|name" | head -5 && \
echo "=== DB Config ===" && cat .dev.vars 2>/dev/null | grep -E "URL|SUPABASE" | sed 's/=.*/=***/' && \
echo "=== Expected ===" && cat .project-identity.json 2>/dev/null | python3 -c "import sys,json; d=json.load(sys.stdin); print('GitHub:', d['github']['account'], '| CF:', d['cloudflare']['accountId'][:8]+'...', '| DB:', d['database']['provider'])"

What to Verify (Checklist)

☐ GitHub CLI: logged in as <EXPECTED ACCOUNT>
☐ git remote origin: points to <EXPECTED REPO URL>
☐ git config user.email: matches <EXPECTED EMAIL>
☐ wrangler.jsonc: account_id matches <EXPECTED CF ACCOUNT ID>
☐ .dev.vars: SUPABASE_URL points to <EXPECTED SUPABASE PROJECT>

Phase 2: Fix Wrong Identity

Wrong GitHub Account

# Check current
gh auth status

# Switch to work account
gh auth logout
gh auth login
# → Login with web browser → select my-work-org

# Fix git user for THIS repo (not global)
git config user.name "my-work-org"
git config user.email "[email protected]"

# Fix remote URL
git remote set-url origin https://github.com/my-work-org/REPO_NAME.git

Wrong Cloudflare Account

# Check current CF account
wrangler whoami

# Look for account_id in wrangler.jsonc
grep account_id wrangler.jsonc

# Expected for Your Project: abc123def456ghi789jkl012mno345pqr
# Fix: update account_id in wrangler.jsonc

Wrong Supabase Project

# Check which Supabase URL is in .dev.vars
grep SUPABASE_URL .dev.vars

# The URL pattern reveals the project: https://<PROJECT_ID>.supabase.co
# Compare with the project in .project-identity.json

# Fix: update .dev.vars with correct values
# Then restart wrangler dev

Wrong git author on recent commits

# See who authored the last few commits
git log --format="%h %an <%ae>" -5

# If wrong — amend last commit's author (before push only!)
git commit --amend --author="my-work-org <[email protected]>" --no-edit

# For multiple commits: rebase and re-author
git rebase -i HEAD~N  # Then for each commit: edit → amend author → continue

Phase 3: Project Setup (New Projects)

When starting a new project, answer these questions FIRST:

Before writing any code or creating any repo, I need to lock identity:

1. **GitHub account**: Personal (my-personal) or Work (my-work-org)?
2. **Cloudflare account**: Which account ID?
3. **Database**: Which Supabase org? New project or existing?
4. **Languages**: Single locale or multi-language from day 1?
   → If multi-language: list all target languages now

Then create .project-identity.json BEFORE the first commit:

# Lock git identity to this project immediately
git config user.name "my-work-org"
git config user.email "[email protected]"
git remote set-url origin https://github.com/my-work-org/NEW_REPO.git

# Verify before first push
git config user.email  # Must match expected
git remote get-url origin  # Must match expected
gh auth status  # Must show correct account

Phase 4: Multi-Account Git Setup (OS Level)

Using SSH Keys per Account

# Generate separate keys for each account
ssh-keygen -t ed25519 -C "[email protected]" -f ~/.ssh/id_my_work_org
ssh-keygen -t ed25519 -C "personal@..." -f ~/.ssh/id_personal

# ~/.ssh/config — route by host alias
Host github-work
  HostName github.com
  User git
  IdentityFile ~/.ssh/id_my_work_org

Host github-personal
  HostName github.com
  User git
  IdentityFile ~/.ssh/id_personal

Using SSH, reference by alias in project:

# For work projects:
git remote set-url origin git@github-work:my-work-org/REPO.git

# For personal projects:
git remote set-url origin git@github-personal:my-personal/REPO.git

Global vs Local git config

# Global: personal (default for new repos)
git config --global user.name "my-personal"
git config --global user.email "[email protected]"

# Per-repo override for work projects (run inside each work repo):
git config user.name "my-work-org"
git config user.email "[email protected]"

[!TIP] Use includeIf in ~/.gitconfig to auto-apply work identity for repos in specific directories:

[includeIf "gitdir:~/Builder/ClientA/"]
    path = ~/.gitconfig-work

~/.gitconfig-work:

[user]
    name = my-work-org
    email = [email protected]

Phase 5: Token Lifecycle Management 🔄

NEW — Secrets don't just need to be hidden. They need to be ROTATED. Full rotation playbooks now live in cm-safe-deploy.

Rotation Schedule

After Rotation

# 1. Update Cloudflare Secrets with new values
wrangler secret put SUPABASE_ANON_KEY
wrangler secret put SUPABASE_SERVICE_KEY

# 2. Update local .dev.vars
# 3. Redeploy
npm run deploy:staging

# 4. Verify: test staging URL

For emergency rotation (leaked secret), see the emergency rotation guidance in cm-safe-deploy.

Red Flags — Identity Confusion

❌ git push and see "Repository not found" or "Permission denied"
   → Wrong account. Run identity check.

❌ wrangler deploy succeeded but can't find it in your CF dashboard
   → Deployed to wrong CF account. Check wrangler.jsonc account_id.

❌ Authentication fails with correct password
   → `gh auth status` shows wrong account. Logout and login to correct one.

❌ Production app shows the wrong data / can't connect to DB
   → Wrong SUPABASE_URL or key. Check Cloudflare Secrets for the project.

❌ git log shows wrong author email on commits
  

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