# Backend Agent Task List
> Use this file to track steps for complex features or bug fixes.
> **Status:** 🟢 STABLE - Security Hardening Complete.

## 📋 Active Tasks
- [x] **Core Isolation:** Harden `apply_forced_account_filter` to Fail-Closed.
- [x] **IDAA Baseline:** Remove `public_read` from Event, CMS, and Archive objects.
- [x] **Detailed Feedback:** Implement descriptive 403 Forbidden reasons.
- [x] **Audit Suite:** Establish `test_e2e_v3_security_audit.py` as a permanent safeguard.
- [ ] **Step 1:** Audit low-priority MariaDB models for ID Vision parity.
- [ ] **Step 2:** Refactor `api_crud_v2.py` (Reduce file size < 800 lines).
- [ ] **Step 3:** Coordination (Verify Frontend uses `x-account-id` instead of token).

## 🛡️ Security & Privacy Baseline (IDAA)
- **Status:** **ENFORCED**.
- **Principle:** Every object requires an Account Context except `site_domain`.
- **Maintenance:** Run `tests/e2e/test_e2e_v3_security_audit.py` after ANY router or registry change.

## 🚧 Upcoming Strategic Goals
- **Zoom Events Integration:** Implement cron synchronization for OAuth2 ticket retrieval.
- **Aether V4 Architecture:** Migration to V4 core standards (Lifecycle fields).

## 📝 Session Notes (Feb 13, 2026)
- **Resolved:** Critical "Fail Open" search leak where missing context returned all records.
- **Hardened:** Removed `public_read` from Events, Presentations, Posts, and Files.
- **Standardized:** Updated 10+ core models with Vision Transformer pattern.
- **Verification:** Security Audit Suite verified at 100% pass rate.