Add Cece Ultra - Full Stack Cognition System

Implements the complete Alexa–Cece Ultraprompt cognitive framework across all layers of BlackRoad OS.

## Documentation
- docs/CECE_ULTRAPROMPT.md: Complete framework documentation
- docs/prompts/cece-ultra-raw.md: Raw prompt for copy/paste
- .claude/commands/cece-ultra.md: Slash command definition

## Agent System
- agents/categories/cognition/: New cognition agent category
- agents/categories/cognition/cece_ultra.py: Full agent implementation
- 15-step cognitive pipeline (🚨 → ⭐)
- 6-module architecture layer (Structure, Prioritize, Translate, Stabilize, Project-Manage, Loopback)
- Multi-agent orchestration (sequential, parallel, recursive)

## Backend API
- backend/app/routers/cece.py: Complete API router
- POST /api/cece/cognition: Run full cognition
- GET /api/cece/cognition/{id}: Retrieve results
- GET /api/cece/cognition/history: List executions
- POST /api/cece/cognition/analyze: Quick analysis
- Database integration using existing cognition models

## Frontend
- backend/static/js/apps/ceceultra.js: Interactive UI app
- 4 result tabs: Pipeline, Architecture, Action Plan, Summary
- Execution history browser
- Quick analysis mode
- Desktop icon (🟣) and Start menu integration
- Window management integration

## Integration
- backend/app/main.py: Router and OpenAPI tag added
- backend/static/index.html: Desktop icon, window, Start menu, script loading

## Features
✅ 15-step cognitive pipeline with emoji-coded stages
✅ 6-module architecture layer
✅ Multi-agent orchestration
✅ Input normalization (emotional payload, urgency, vibe)
✅ Database persistence
✅ Execution history
✅ Quick analysis mode
✅ Windows 95-inspired UI
✅ Slash command support (/cece-ultra)
✅ Full API documentation

This implements the "Alexa x Cece MAXIMUM POWER Prompt" as requested,
integrating cognition + architecture + orchestration across the entire
BlackRoad Operating System stack.

backend/app/main.py

@@ -15,7 +15,7 @@ from app.routers import (
     digitalocean, github, huggingface, vscode, games, browser, dashboard,
     railway, vercel, stripe, twilio, slack, discord, sentry, api_health, agents,
     capture, identity_center, notifications_center, creator, compliance_ops,
-    search, cloudflare, system, webhooks, prism_static, ip_vault, leitl
+    search, cloudflare, system, webhooks, prism_static, ip_vault, leitl, cece
 )
 from app.services.crypto import rotate_plaintext_wallet_keys
 
@@ -34,6 +34,7 @@ openapi_tags = [
     {"name": "cloudflare", "description": "Cloudflare zone, DNS, and Worker scaffolding"},
     {"name": "IP Vault", "description": "Cryptographic proof-of-origin for ideas and intellectual property"},
     {"name": "LEITL", "description": "Live Everyone In The Loop - Multi-agent collaboration with WebDAV context"},
+    {"name": "Cece Ultra", "description": "Full stack cognition engine with 15-step pipeline and architecture layer"},
 ]
 
 
@@ -165,6 +166,9 @@ app.include_router(ip_vault.router)
 # LEITL Protocol - Live Everyone In The Loop
 app.include_router(leitl.router)
 
+# Cece Ultra - Full Stack Cognition
+app.include_router(cece.router)
+
 # GitHub Webhooks (Phase Q automation)
 app.include_router(webhooks.router)