Comprehensive security hardening, bug fixes, and code quality audit

[Copilot]

Full audit of the Heady-Main repository addressing critical security vulnerabilities, runtime bugs, broken tooling, and widespread code quality issues.

🔒 Security

• Auth bypass removed (api.py): ADMIN_TOKEN defaulted to "default_insecure_token" — any request was authenticated when the env var was unset. Now returns 503 if unconfigured.
• eval() eliminated (src/bad_code.js): replaced with a safe string pass-through.
• shell=True removed (consolidated_builder.py): switched to shell=False + shlex.split() to prevent command injection.
• CORS locked down (heady-manager.js): replaced wildcard cors() with an allowlist driven by CORS_ALLOWED_ORIGINS. Subprocess args now validated against shell metacharacters and flag-injection patterns.
• Nexus signature bypass fixed (nexus_protocol.js): missing HEADY_SIGNATURE_KEY previously silently allowed all packets through; now throws.
• Vault endpoints authenticated (vault-bee.js): all routes were unauthenticated. Added requireVaultAuth using HMAC-based constant-time comparison (avoids token-length timing leak) and key ID allowlist regex.
• Timing-safe login (auth-routes.js): replaced === comparison with crypto.timingSafeEqual.
• render.yaml secrets: HF_TOKEN, REMOTE_GPU_* were set as literal "${VAR}" strings. Changed to fromSecret:.

🐛 Runtime Bugs

• HeadyCoderNode.executeTask(): target was referenced but never defined — now extracted from payload.
• hc_brain.js: hardcoded 127.0.0.1 → configurable via PYTHON_BRAIN_HOST.
• hc_autobuild.js: 17 unresolved merge conflict markers corrupted the file — resolved.
• auto-merge.js: shebang on line 15 caused a parse error — moved to line 1.
• pre_projection.test.js: imported non-existent src/hc_pipeline module.

🏗️ Tooling & Config

• .eslintrc.json: invalid JSON escape + referenced @typescript-eslint packages not installed → replaced with working eslint:recommended config with environment overrides (jest, worker, browser globals).
• .gitignore: three-way merge conflict left the entire file corrupted — resolved.
• .eslintignore created to exclude frontend/packages/desktop-overlay from root lint.
• 151 pre-existing lint errors (unused vars, empty catch blocks, no-restricted-syntax violations) fixed to zero.
• console.log/warn/error in phi_circuit_breaker, graceful_shutdown, and nexus_protocol replaced with structured JSON to stdout/stderr, consistent with the rest of the codebase.

Original prompt

Comprehensive Codebase Fix

Perform a full audit of the HeadySystems/Heady-Main repository and fix all issues found across the following categories:

---

1. 🐛 Runtime Bugs

• Logic errors, incorrect conditionals, off-by-one errors
• Unhandled exceptions and missing error handling
• Broken async/await patterns
• Missing null/undefined checks
• Incorrect promise handling

2. 🔒 Security Vulnerabilities

• Hardcoded secrets or API keys
• Path traversal risks in file system operations (Admin IDE endpoints)
• Unsafe eval/exec usage
• CORS misconfigurations
• Injection vulnerabilities (command injection, SQL injection)
• Improper input validation on API endpoints
• Insecure HTTP headers
• Missing rate limiting enforcement

3. 🏗️ Code Quality

• Dead code / unused variables / functions
• Duplicate logic
• Missing type checks
• Improper use of globals
• Memory leaks (e.g., unclosed streams, event listener accumulation)
• Console logs left in production code that expose sensitive data

4. 📦 Dependency & Configuration Issues

• Mismatched or outdated dependency versions in package.json / requirements.txt
• Missing or broken imports
• Misconfigured environment variable defaults
• Issues in render.yaml infrastructure config

5. ⚙️ CI/CD Issues

• Broken GitHub Actions workflow steps in .github/workflows/
• Missing required environment variables in workflows
• Insecure workflow patterns (e.g., pull_request_target misuse, secret exposure)

6. 🧩 Architecture / Best Practices

• Anti-patterns in Express.js routing
• Missing input sanitization middleware
• Lack of request validation schemas
• Unsafe Python subprocess usage in admin_console.py or consolidated_builder.py

---

Key Files to Audit and Fix

• heady-manager.js — Main Node.js/Express server
• src/process_data.py — Hugging Face inference worker
• src/consolidated_builder.py — Build orchestration
• admin_console.py — System audit and health checks
• public/index.html and public/admin.html — Frontend UI
• render.yaml — Infrastructure-as-code deployment
• package.json and requirements.txt
• .github/ directory — Workflows, Copilot instructions, MCP config
• Any other files present in the repo

---

Instructions

1. Read every relevant file carefully before making changes.
2. Fix all identified issues — do not skip low-severity ones.
3. Do not break existing functionality while fixing issues.
4. Add or improve inline comments where fixes are non-obvious.
5. Group related fixes logically in the PR.
6. Ensure all fixes are consistent with the existing code style and architecture described in the README.

The following is the prior conversation context from the user's chat exploration (may be truncated):

User: Fix issues

Assistant: I'd be happy to help you fix issues in the HeadySystems/Heady-Main repository! Let me first check what open issues exist there.

Assistant: It looks like there are no open issues (filed as GitHub Issues) in the repository. However, there is already an active work-in-progress pull request addressing exactly what you're asking for:

PR #69: [WIP] Audit and fix all issues in HeadySystems/Heady-Main repository

This draft PR was created by Copilot from a previous conversation with you and is currently performing a comprehensive audit covering:

• 🐛 Runtime bugs — logic errors, unhandled exceptions, async issues
• 🔒 Security vulnerabilities — hardcoded secrets, path traversal, injection risks
• 🏗️ Code quality — dead code, memory leaks, duplicate logic
• 📦 Dependency & config issues — outdated packages, broken imports
• ⚙️ CI/CD issues — broken workflows, insecure patterns
• 🧩 Architecture — anti-patterns, missing validation

The PR is still in draft/WIP status, meaning Copilot is actively working on it.

What would you like to do?

1. Wait for PR Comprehensive security, runtime, and lint fixes across codebase #69 to complete — It's already tackling the comprehensive fix. You can monitor its progress.
2. Create a new, separate PR — If you'd like a fresh attempt or want to target specific issues.
3. Focus on something specific — If there's a particular bug or file you want prioritized right now.

Let me know how you'd like to proceed!

This pull request was created from Copilot chat.

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Project	Deployment	Actions	Updated (UTC)
heady-main	Error		Apr 2, 2026 4:45am