kevin-asprec df4a467a38 docs(02-04): complete billing engine plan ...

Tasks completed: 2/2
- Task 1: Invoice model + BillingService + InvoiceService + CreditService
- Task 2: Billing API routes + comprehensive tests (38 passing)

SUMMARY: .planning/phases/02-subscriber-and-billing-core/02-04-SUMMARY.md

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..

phases

docs(02-04): complete billing engine plan

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research

docs: complete project research for NetForge ISP Management SaaS

2026-03-04 17:21:44 +08:00

config.json

chore: add project config

2026-03-04 17:14:25 +08:00

PROJECT.md

docs: initialize project

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REQUIREMENTS.md

docs(01): complete Foundation phase

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ROADMAP.md

docs(02): create phase plan

2026-03-04 22:27:35 +08:00

STATE.md

docs(02-04): complete billing engine plan

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