RAG & Memory

---

title: "RAG & Memory" tier: "2" status: "verified" version: "1.1.165" last-verified: "2026-06-11" commit: "b1c347b1" network-badge: "none" risk-tags:

• "RISK: MEDIUM"

---

🧠 RAG & Memory

This page covers the local data intelligence layer that synchronizes your office files and databases with the agent's memory store. All indexing and retrieval happens on your local hardware.

---

1. Local Data Synchronization (search_mission_knowledge)

The data intelligence layer synchronizes your local folders and databases with the agent's memory store.

1.1 Multi-Factor Scoring (MFS)

Combines three scoring dimensions to find the most accurate records. Defined in rag_scoring.rs:

Factor	Weight	Description
Vector Semantics	0.7	Cosine similarity weight (semantic_weight)
Project Relevance	0.2	Boost added if the memory belongs to the active mission (affinity_boost)
Document Recency	0.1	Refresh rate weight decaying linearly over 48 hours (max age: 172800s) (recency_weight)

1.2 Data Crawling

System sync workers automatically index changes in your mapped directories:

• Sync Interval: SME_SYNC_INTERVAL_MINS [RISK: MEDIUM] — default 30 minutes. Controls how often the data sync worker re-indexes mapped directories.
• Deduplication Threshold: LANCEDB_DEDUPE_THRESHOLD [RISK: MEDIUM] — default 0.9. Similarity score above which documents are considered duplicates.
• Drift Threshold: LANCEDB_DRIFT_THRESHOLD [RISK: MEDIUM] — default 0.8. Similarity score below which re-indexing is triggered.

---

2. Vector Memory (LanceDB)

Important

Vector memory requires the vector-memory [RISK: MEDIUM] build feature flag to be enabled at compile time. Without it, the engine falls back to keyword-based retrieval only.

When enabled, vectors are stored locally in data/memory.lance/.

2.1 Storage Architecture

Component	Path	Description
Mission Knowledge	data/memory.lance/	Per-mission document embeddings
Swarm Vault	ResourceHub::swarm_vault	Global swarm-wide knowledge vault for cross-mission intelligence
Knowledge Store	ResourceHub::knowledge_store	Persistent cross-cluster Institutional Knowledge Store

2.2 Compilation

[Command] Build with Vector Memory

cd server-rs
cargo build --release --features vector-memory

→ See Installation for complete build instructions.

---

3. Markdown SOP Enforcement

Place your business Standard Operating Procedures (SOPs) as markdown files in data/workflows/ to force agents to follow strict execution rules.

3.1 Registration Flow

1. Create a markdown file (e.g., contract_review_sop.md) with numbered steps.
2. Place the file in the data/workflows/ directory.
3. Open the dashboard in the browser and navigate to the Settings page.
4. Select the target virtual employee from the [Table] Agent Registry.
5. Locate the [Card] Agent Capabilities panel.
6. In the [Selector] Workflows list, toggle on your newly placed SOP workflow name (e.g. contract_review_sop).
7. Click the [Button] Save Configuration to apply.
8. The agent will follow the exact steps, checking each item in order.

3.2 Example SOP

# Contract Review Checklist
1. Verify all party names are correct
2. Check payment terms match the agreed schedule
3. Confirm termination clause exists
4. Flag any non-standard liability provisions
5. Write findings to review_report.md

---

4. Sync User Interface

Configure and monitor the RAG indexing processes using the following visual indicators:

• [Gauge] Sync Progress

  • Default state: 0% or 100% (Idle).
  • Visible location: Mapped directories sidebar under the Workspaces page.
  • Observable side effect: Animates dynamically during background indexing crawls.
  • Keyboard shortcut: None.
  • Missing in build: Always present.

• [Button] Force Re-index

  • Default state: Enabled.
  • Visible location: Top-right corner of the workspace settings pane.
  • Observable side effect: Triggers a manual sync scan immediately, bypassing the SME_SYNC_INTERVAL_MINS interval.
  • Keyboard shortcut: None.
  • Missing in build: Always present.

• [Table] Indexed Sources

  • Default state: Displays current directories, checksum state, and total files indexed.
  • Visible location: Center panel of the Workspace storage manager.
  • Observable side effect: Lists total bytes and files found.
  • Keyboard shortcut: None.
  • Missing in build: Always present.

---

5. Code Graph & Symbol Intelligence

The engine maintains structural knowledge graphs for codebase awareness:

Graph	Resource	Description
Code Graph	ResourceHub::code_graph	Graph of code relationships for RAG-enhanced tool search
Symbol Graph	ResourceHub::symbol_graph	Symbol-level knowledge graph for structural analysis

These graphs enhance the agent's ability to understand file dependencies and locate relevant code symbols during development tasks.

---

6. Agent Scope & RAG Scope

The Glossary#rag-scope defines the data ingestion context that limits an agent's retrieval:

• File-level: Agent can only access specific files in its allowed_files list.
• Workspace-level: Agent retrieves from all indexed documents in its assigned workspace.
• Global-level: Agent can access the swarm-wide knowledge vault (when enabled).

→ See Virtual-Employees for agent sandboxing and scope controls. → See Configuration for LanceDB and sync interval settings.

---

Complete Lexicon: For the authoritative technical breakdown, see the main repository GLOSSARY.md. Every [[Glossary#term|term]] link on this page resolves to an entry there.