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jgrusewski e2a0576ef5 docs: create/update README.md for all services, CLI, and testing crates

Create 3 missing service READMEs (api_gateway, data_acquisition_service,
trading_agent_service). Create bin/fxt/README.md. Create
testing/service-integration/README.md. Update existing service and testing
READMEs to standard template. Delete 4 subdirectory READMEs from
testing/integration/ and testing/e2e/.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-03-01 22:50:38 +01:00

src

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Cargo.toml

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database_helper.rs

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lib.rs

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mod.rs

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README.md

docs: create/update README.md for all services, CLI, and testing crates

2026-03-01 22:50:38 +01:00

README.md

test-common

Shared test fixtures, builders, and assertions for the Foxhunt workspace. Consolidates duplicate test code across 39+ files.

Key Types

TestDb -- isolated test database with automatic cleanup
MockOrderBuilder -- fluent order/trade builder
BarBuilder -- OHLCV bar generation with realistic price movements
PositionBuilder -- mock positions with P&L calculations

Fixtures

generate_ohlcv_bars() -- realistic OHLCV data
generate_random_walk() -- Monte Carlo price simulations
generate_crisis_returns() -- 2008 crisis patterns
generate_order_book() -- order book levels

Assertions

assert_approx_eq! -- percentage tolerance comparison
assert_ohlc_valid -- OHLC bar validation
assert_var_exceedances -- VaR exceedance checks

Usage

[dev-dependencies]
test_common = { path = "../../testing/test-common" }