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Refactor economics to expense-record ledger with correct Bubble cost

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Replace pre-aggregated costs.json with expense_records.json (48 line-item
records) and payment_records.json. All monthly and cumulative totals are
computed deterministically in observatory/ledger.py. Correct Bubble.io to
$32/mo (since Feb 2025) — infrastructure €69.44/mo not €72.20.
This commit is contained in:
Bernd Worsch
2026-06-22 02:03:22 +02:00
parent ea2c2c6403
commit 31db9f8f31
12 changed files with 843 additions and 299 deletions
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projects/coulomb-pricing/README.md
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@@ -10,21 +10,21 @@ Liquidity and cost requirements: `REQUIREMENTS.md`.
## Sprint 1 — Economic Foundations
The `observatory/` package loads JSON registries and produces **Economics
Dashboard v1** with platform-cost history, member payments, and budget burn.
The `observatory/` package reads **expense and payment record ledgers** and
computes all totals programmatically (`ledger.py` → `economics.py`).
| Registry | File |
|----------|------|
| Ledger | File |
|--------|------|
| Budget (€1,000 start) | `data/budget.json` |
| Expense records | `data/expense_records.json` |
| Payment records | `data/payment_records.json` |
| Product model | `data/product.json` |
| Pricing models | `data/pricing-models.json` |
| Platform costs + history | `data/costs.json` |
| Member payments | `data/revenue.json` |
| Membership | `data/membership.json` |
**Current reality:** platform costs from March 2025; sole member payments from
November 2025. Operator is **burning liquidity** — platform spend exceeds
subscription intake. Customer cost-pass-through billing is not active.
**Current reality:** platform costs from March 2025 (Bubble.io **$32/mo** since
Feb 2025); sole member payments from November 2025. Operator is **burning
liquidity**. Customer cost-pass-through billing is not active.
### Commands
@@ -35,5 +35,5 @@ python3 -m observatory --period 2026-06
python3 -m observatory --period 2026-06 --output reports/economics-2026-06.md
```
Manual registries will be replaced by Bubble (Sprint 2), Stripe (Sprint 3), and
Manual ledgers will be replaced by Bubble (Sprint 2), Stripe (Sprint 3), and
OpenRouter (Sprint 4) importers.