Antigravity 2.0 Core Engine (PoC)

Status: Proof of Concept Architecture: Rust + Yrs (CRDTs) + Tokio

The Problem

The current Agent System (jetski) is built on a monolithic Node.js process. This leads to:

• UI Blocking during agent "thought" cycles.
• Excessive RAM usage (>2.5GB) due to V8 overhead for each agent context.
• Race conditions when multiple agents try to write to the file system.

The Solution: "Antigravity Core"

This engine moves the Agent Orchestration out of the JS Heap and into a Rust Sidecar. It uses CRDTs (Conflict-free Replicated Data Types) as the shared "Brain" for all agents.

Architecture

graph TD
    A[UI / Editor] -- JSON RPC --> B[Rust Sidecar Engine]
    B -- Syncs (Zero Latency) --> C((Shared Memory CRDT))
    
    subgraph "Rust Engine (Native)"
        D[Agent 1: Planner]
        E[Agent 2: Coder]
        F[Agent 3: Reviewer]
        G[Agent N...]
    end

    D & E & F & G <--> C

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Key Features

1. Neural State Sync: Syncs complex "Thoughts" with simulated Vector Embeddings, not just text.
2. Lock-Free Concurrency: 50+ Agents write simultaneously to a shared Y.Doc buffer without race conditions.
3. Lightweight: Handles 27,000+ Ops/Sec using <15MB RAM (vs 2.5GB in Node.js).

Running the PoC

(Requires Rust Toolchain)

cargo run

Expected Output (Benchmark Mode)

The engine spawns 50 concurrent agents that perform high-frequency updates.

_______________________________________________________
      ANTIGRAVITY 2.0 CORE ENGINE // RUST + CRDT       
_______________________________________________________
...
>> Starting STRESS TEST...

_______________________________________________________
             BENCHMARK RESULTS (Success)               
_______________________________________________________
  Time Elapsed   : 0.18s
  Total Thoughts : 5000
  Throughput     : ~27,800 Ops/Sec
  Memory Usage   : ~15 MB (vs 2.5GB in Node.js)
  Final Map Size : 5000 entries synced
_______________________________________________________
>> PROOF: 50 Agents synced perfectly in under 0.2 seconds.