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settled-reach/tooling/econ-sim/Cargo.toml
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jpmschweitzerandClaude Sonnet 4.6 5f4139bc9e feat(simulation): implement economics integration sprint — #810 #821 #822 #823
Implements the full D-180/D-181 economics pipeline:

**#810 — Event input port (D-180)**
- Add EconEvent struct with Target/Effect/Duration/Visibility variants
- Implement EventPort as typed input queue for external disruptions
- Apply events in simulation step; D-179 Test 3 now uses real shock injection

**#821 — Integrate econ-sim into server tick loop**
- Extract econ-sim as library crate (lib.rs + sim.rs, Cargo.toml [lib] section)
- Add Simulation stateful runner; step() advances one economy tick
- Add EconSimResource, EconStateResource (7 D-181 signals), tick_economy_simulation
- Economy loads once at startup; graceful no-op when systems.db absent
- Server advances economy 1 tick per 10 game ticks (D-031)

**#822 — Expose economy state over IPC bridge**
- Protocol version 20 → 21
- Add EconomySnapshot, EconNodeSnapshot wire types
- Add EconStateQuery PlayerAction variant; response in economy_snapshot field
- Add EconQueryBuffer resource + serve_econ_state_query system

**#823 — Economics debug commands**
- Add InjectEconEvent, SetEconParam, GetEconState to DebugCommandKind
- Add EconDebugEffect, EconParamKind enums
- SetEconParam mutates α/β at runtime (α/β promoted to pub const + Simulation fields)
- ALPHA and BETA constants threaded through step_inner/trade_step signatures

All 1147 unit tests pass; zero warnings.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-10 13:13:52 +02:00

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TOML

[package]
name = "econ-sim"
version = "0.1.0"
edition = "2021"
description = "Settled Reach economics simulation — Layer 1 Leontief production + price adjustment"
[lib]
name = "econ_sim"
path = "src/lib.rs"
[[bin]]
name = "econ-sim"
path = "src/main.rs"
[dependencies]
clap = { version = "4", features = ["derive"] }
rusqlite = { version = "0.32", features = ["bundled"] }
rand = "0.9"
rand_chacha = "0.9"
serde = { version = "1", features = ["derive"] }