Add AI Council architecture: Tier 2/3/Graph implementation + Integration Plan

Architecture (Agent 1):
- hermes_memory/tier2/{schema,facts,entities,relations,timeline}.py
- hermes_memory/tier3/{backend,chroma_backend,embedder}.py
- hermes_memory/graph/nx_store.py
- hermes_memory/api/memory_api.py (unified API)
- hermes_memory/cron/{consolidate,embed_queue,graph_refresh,prune}.py
- hermes_memory/config.py + pyproject.toml

Integration Plan (Agent 3):
- INTEGRATION_PLAN.md: Memory Provider Plugin strategy
- Hermes Core needs minimal changes
- sync_turn() + prefetch() hooks
- Skills integration via nextlevel_search/remember

Auto-Extraction (Agent 2):
- ARCHITECTURE.md: Full extraction pipeline docs
- Chunking, Pre-Filter, LLM Prompts, Classification
- Entity-Linking, Temporal Reasoning, Deduplication

All files: Python syntax checked, ECC standards applied.

hermes_memory/__init__.py

@@ -0,0 +1,21 @@
+"""
+Hermes Memory Next Level — Unified Memory Interface
+
+Öffentliche API für alle Memory-Tiers:
+  Tier 1: Curated Memory (MEMORY.md / USER.md)
+  Tier 2: Structured Knowledge (SQLite)
+  Tier 3: Semantic Memory (Qdrant / Chroma)
+  Graph:  Knowledge Graph (NetworkX)
+
+Usage:
+    from hermes_memory import MemoryAPI
+    api = MemoryAPI(profile="default")
+    api.fact_store("Python 3.11 ist die aktuelle Version", category="tech")
+    results = api.recall("aktuelle Python Version")
+"""
+
+from hermes_memory.api.memory_api import MemoryAPI
+from hermes_memory.config import load_config, DEFAULT_CONFIG
+
+__all__ = ["MemoryAPI", "load_config", "DEFAULT_CONFIG"]
+__version__ = "0.1.0"