Add typedMemory, assistantMemory, smartFilter, dynamicRetrieval, schema, index, integration guide

FILE_INDEX.md

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+// FILE LISTING - All files are available in sandbox
+// Full detailed source code with extensive comments was provided in the chat.
+// This file contains pointers to help you find everything.
+
+// The complete implementation lives in these locations:
+// 1. HF Sandbox: https://huggingface.co/spaces/loudiman/sandbox-cbb9aab0
+//    Path: /app/memory-improvements/src/
+// 2. This repo: individual files uploaded above
+// 3. Full source code was pasted in the chat messages
+
+// FILES:
+// src/types.ts          - Type definitions (MemoryRecord, MemoryConfig, etc.)
+// src/deduplication.ts  - Mem0-style ADD/UPDATE/NOOP deduplication
+// src/memoryDecay.ts    - MemoryOS heat-based decay & eviction
+// src/typedMemory.ts    - ENGRAM episodic/semantic/procedural router
+// src/assistantMemory.ts - Store AI replies as memories
+// src/smartFilter.ts    - Only store declarative/factual content  
+// src/dynamicRetrieval.ts - Adaptive top-k, threshold, type filtering
+// src/schema.ts         - SQLite migration script
+// src/index.ts          - ImprovedMemoryService (main entry point)
+// src/integrationGuide.ts - How to plug into your existing codebase
+// tests/demo.py         - Python demo that validates all logic