Apex AI v2.0.0 — Multi-Provider AI Orchestration

Highlights:
- 9 AI providers (Anthropic, OpenAI, Google, DeepSeek, Groq, Mistral, xAI, Cohere, Ollama)
- Smart routing: apex:auto, apex:quality, apex:cost, apex:latency
- Middleware pipeline: retry, rate limit, cache, guardrails, telemetry
- Cost dashboard with period/provider filters and CSV export
- Run recording: every AI call tracked with tokens, cost, latency
- Audit trail with PII redaction and GDPR compliance
- Google OAuth2 auto-exchange for service account JSON credentials
- HTTP/1.1 forced for containerized environments
- Circuit breaker with configurable failure threshold
- 6 submodules: Orchestration, Agents, Prompts, ECA, MCP, VDB
- Agent framework with 5 built-in tools and crew orchestration
- MCP server for Claude Desktop/Cursor integration
- ECA actions: auto-tag, summarize, alt text, quality score, translate
- External integrations: Langfuse, OpenTelemetry, Slack, Teams
- Comprehensive REST API (10 endpoints)
- Drupal ^11.2 | PHP 8.4+ | SDK v1.0.4