Fondo Local Dev LoopSAFE

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The instruction file, verbatim from the audited commit — this is the text the model reads, and the surface the audit's instruction layer examines. Quoted here so you can judge it without cloning anything.

---
name: fondo-local-dev-loop
description: 'Configure local development workflows that integrate with Fondo for

  financial data, using Fondo exports with QuickBooks or accounting tools.

  Trigger: "fondo dev setup", "fondo export", "fondo QuickBooks", "fondo local data".

  '
allowed-tools: Read, Write, Edit, Bash(npm:*), Grep
version: 1.6.0
license: MIT
author: Jeremy Longshore <[email protected]>
tags:
- saas
- accounting
- fondo
compatibility: Designed for Claude Code
---
# Fondo Local Dev Loop

## Overview

Local development workflow for Fondo startup tax and bookkeeping integration. Provides a fast feedback loop using CSV exports and mock financial data so you can build dashboards, R&D credit calculators, and burn-rate tools without waiting on live Fondo reports. Toggle between mock mode for rapid iteration and real export parsing for production validation.

## Prerequisites

- Fictional fixtures only, local directories excluded from version control, and a named finance owner for any approved export validation.
- Secrets supplied from an approved manager; local development must not access production financial data by default.

## Instructions

1. Keep mock mode enabled for normal development and generate only synthetic account, vendor, and transaction values.
2. Validate schema and field mappings against an approved, access-controlled sample before any live workflow change.
3. Redact logs, avoid committing exports, and delete temporary local artifacts through the defined retention process.

## Output

Produce a local validation receipt with fixture version, schema result, approved mapping, owner, and redacted failure reference. Do not include transactions, account details, payroll/tax data, or credentials.

## Examples

Run a calculator against fictional monthly totals and confirm tests pass with network access disabled. Inspect the fixture for real names, account identifiers, or exports, then remove test artifacts after the schema validation is complete.

## Environment Setup

```bash
cp .env.example .env
# Set your credentials:
# FONDO_API_KEY=fondo_xxxxxxxxxxxx
# FONDO_EXPORT_DIR=./exports
# MOCK_MODE=true
npm install express csv-parse dotenv tsx typescript @types/node
npm install -D vitest supertest
mkdir -p exports
```

## Dev Server

```typescript
// src/dev/server.ts
import express from "express";
const app = express();
app.use(express.json());
const MOCK = process.env.MOCK_MODE === "true";
if (MOCK) {
  const { mountMockRoutes } = require("./mocks");
  mountMockRoutes(app);
} else {
  const { mountExportRoutes } = require("./export-parser");
  mountExportRoutes(app, process.env.FONDO_EXPORT_DIR!);
}
app.listen(3002, () => console.log(`Fondo dev server on :3002 [mock=${MOCK}]`));
```

## Mock Mode

```typescript
// src/dev/mocks.ts — realistic startup financial data
export function mountMockRoutes(app: any) {
  app.get("/api/transactions", (_req: any, res: any) => res.json([
    { date: "2025-03-01", description: "AWS Infrastructure", amount: -4200, category: "Cloud Hosting", account: "Operating", isRnD: true },
    { date: "2025-03-05", description: "Engineer Salary", amount: -12500, category: "Payroll", account: "Operating", isRnD: true },
    { date: "2025-03-10", description: "Stripe Revenue", amount: 8750, category: "Revenue", account: "Income", isRnD: false },
  ]));
  app.get("/api/reports/pnl", (_req: any, res: any) => res.json({
    period: "2025-Q1", revenue: 26250, expenses: 50100, netIncome: -23850,
  }));
  app.get("/api/reports/rnd-summary", (_req: any, res: any) => res.json({
    totalQualified: 38500, categories: ["Cloud Hosting", "Payroll", "Software Tools"],
  }));
}
```

## Testing Workflow

```bash
npm run dev:mock &                    # Start mock server in background
npm run test                          # Unit tests with vitest
npm run test -- --watch               # Watch mode for rapid iteration
MOCK_MODE=false npm run test:integration  # Test against real Fondo CSV exports
```

## Debug Tips

- Place sample CSVs in `exports/` to test parsing without Fondo dashboard access
- Validate CSV column headers match Fondo's export format (Date, Description, Amount, Category, Account, R&D Qualified)
- Use `--verbose` flag with the parser to log skipped rows and type coercion warnings
- Check for locale-specific number formats (`$1,234.56` vs `1234.56`) in Amount column

## Error Handling

| Issue | Cause | Fix |
|-------|-------|-----|
| `CSV parse error` | Malformed export file | Re-export from Fondo with UTF-8 encoding |
| `NaN in amount` | Currency symbols in Amount column | Strip `$` and `,` before `parseFloat` |
| `Missing R&D column` | Older export format | Use Fondo's updated report template |
| `ENOENT exports/` | Export directory missing | Run `mkdir -p exports` |
| `Empty dataset` | Date range has no transactions | Widen the date range in Fondo dashboard |

## Resources

- Fondo Dashboard
- [csv-parse docs](https://csv.js.org/parse/)

## Next Steps

See `fondo-debug-bundle`.

SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.

What the source does

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none-observed

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none-observed

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pinned

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Gates applied: no_behavioural_pass.