Kelly Family Fund

Overview

Kelly Family Fund is a Busabase Cloud App-in-Skill. Its canonical product surface is the AirApp in Busabase, not a separate local-data product. The same Hono source supports an explicitly requested local preview with OAuth connection bootstrap. Use this skill as a family's pooled-pension / elder-care fund ledger (家庭统筹基金). Two elders' pensions are pooled and managed by one steward (e.g. the eldest sibling). The fund pays a fixed care cost (nursing home) and shares the remaining surplus across the sibling families — transport, meals, birthday gifts, and 人情 (social gifts). The whole point is transparency = fairness: everyone can see the balance, where the money went, and whether any family is benefiting more than the average. Data comes from CSV import (through a trusted skill-root script) and manual entry via that same script; there is no bank or payment API.

Default behavior is AirApp-first. Unless the user explicitly asks only for explanation, give the user the clickable AirApp URL. Start localhost only when local preview/debugging is explicitly requested; it uses the same Busabase resources and never offers another data provider. Use chat-only mode only when the user says "纯聊天", "chat only", "不要打开 UI", or similar.

Mandatory Dependencies

1. Read and follow $kelly-app-skill-creator for product behavior, visual quality, responsive layout, and the complete canonical content/kelly-family-fund-app/ artifact.
2. Read and follow $busabase for connection, target Space, node discovery, ChangeRequests, review, and merge behavior.
3. Read and follow $busabase-app-creator for resource modeling, AirApp runtime limits, security, validation, and deployment.

If a dependency is unavailable, preserve this skill's local artifact and product contracts, stop before the unavailable Busabase operation, and report the exact missing dependency. Do not invent a second data backend.

App UI Screenshots

<table> <tr> <td width="50%"><img src="assets/screenshots/overview.webp" alt="Kelly Family Fund overview"></td> <td width="50%"><img src="assets/screenshots/ledger.webp" alt="Kelly Family Fund ledger"></td> </tr> <tr> <td><strong>Overview</strong><br>Fund balance, this-month income / expense / net, care and family totals, an expense-by-category donut, running-balance trend, and read-only insights.</td> <td><strong>Ledger</strong><br>Unified income and expense timeline by month, each entry tagged with its category and the sibling family it benefits.</td> </tr> <tr> <td width="50%"><img src="assets/screenshots/category.webp" alt="Kelly Family Fund by category"></td> <td width="50%"><img src="assets/screenshots/family.webp" alt="Kelly Family Fund fairness by family"></td> </tr> <tr> <td><strong>By category</strong><br>Spending across care, transport, meals, gifts, and gifts of obligation, with the care-versus-family split.</td> <td><strong>By family (fairness)</strong><br>Each sibling family's cumulative benefit, share, and deviation from the average — care excluded, shared costs split equally — so anyone can confirm it is balanced.</td> </tr> </table>

Boundary

• The skill may read a ledger CSV, normalize it, and write beneficiary/family/income/expense rows into Busabase through the trusted scripts/import_csv.mjs process.
• The AirApp reads Busabase records only; it is entirely read-only and must NEVER move money, pay a care home, transfer funds, settle between families, or mutate any remote system. It is a read-only bookkeeping and fairness dashboard (readOnly: true, no writeProcedures).
• Treat ledger data as sensitive. Never commit raw ledger exports, Busabase credentials, or env files.
• There is no approval lifecycle and no decisions workflow — this is bookkeeping only.

Busabase Resources

Five Bases under one application Folder (kelly-family-fund), declared in content/kelly-family-fund-app/app/js/config.js and the generated template sidecars under content/:

• beneficiaries: the elders whose pensions are pooled (id, name, relation, pension_monthly).
• families: the sibling families that share the surplus (id, name, head, members_count, note).
• income: monthly pension inflow per beneficiary.
• expenses: care cost and family-benefiting expenses. care rows are always the parents' cost (family_id empty, shared "false").
• settings: one row per kind — fund-meta (fund name/steward/note/base_currency/deviation_threshold_pct, non-secret) and onboarding.

Resources provision lazily through an idempotent Busabase ChangeRequest the first time the app runs in a Space; see references/fund-schema.md for exact field shapes. The AirApp never writes to any Base — only the trusted CSV importer does.

First Run And Onboarding

On invocation, check the fund-meta and onboarding settings rows for readiness. If absent, guide setup before importing real ledger data.

Set up in this order, asking only for non-secret setup details:

1. Define the fund: name, steward, optional note, and base_currency (default CNY, ¥).
2. Define beneficiaries — the elders whose pensions are pooled.
3. Define the sibling families that share the surplus.
4. Set deviation_threshold_pct (default 20).
5. Import a ledger CSV or enter income/expenses manually via scripts/import_csv.mjs.

Write the fund-meta and onboarding settings rows through the trusted process; never ask the user to paste secrets into chat.

CSV Import

Kelly Family Fund's AirApp is read-only; scripts/import_csv.mjs is the only process that writes ledger rows. The documented template is references/ledger-csv-template.csv. Columns:

• type (income|expense)
• month (YYYY-MM), date (YYYY-MM-DD, optional)
• category (care|transport|meal|gift|renqing|medical|misc — blank for income)
• amount
• family (family id or name; blank for income, shared, or care)
• beneficiary (beneficiary id, for income rows)
• payee, occasion, shared (true|false), note

Run:

BUSABASE_BASE_URL=... BUSABASE_API_KEY=... BUSABASE_SPACE_ID=... \
  node scripts/import_csv.mjs path/to/ledger.csv --apply

Without --apply it is a dry run that only prints the planned writes. It resolves beneficiary/family references against Busabase, creating a new family record on the fly if the CSV names one that doesn't exist yet, then writes income/expenses rows via Busabase ChangeRequests. care rows are always treated as the parents' cost (family_id empty, not shared).

Demo Mode

• ?demo=1 (or ?demo=overview) opens a deterministic offline fund: fund "家庭统筹基金", steward "老大 · 张伟", 2 beneficiaries (祖父 张国强 ¥16000, 祖母 李秀英 ¥14000), 4 sibling families, and 6 months (2026-01 … 2026-06) of pooled pension income and expenses in CNY.
• ?demo=ledger, ?demo=family, ?demo=detail, and ?demo=category select named scenes.
• lang=en or lang=zh forces UI chrome language for screenshots.
• Demo mode never reads or writes Busabase.

Local App

Default behavior is AirApp-first — give the user the clickable AirApp URL. Start pnpm --dir content/kelly-family-fund-app dev only when local preview/debugging is explicitly requested. UI language supports Chinese (primary) and English chrome with an Auto default.

Views

• #/overview: fund balance, this-month income / expense / net, care and family totals, the max fairness deviation, an expense-allocation donut, and a running-balance trend. A month selector scopes the this-month figures.
• #/ledger: unified income + expense timeline, filterable by month, each row showing a category badge, amount, payee/occasion, and family tag (or 养老院/共享).
• #/family: the sibling families with cumulative benefit, share %, and a fairness bar showing deviation from average; select a family to drill into its directed and shared-share expenses.
• #/category: expense donut + care-vs-family split + a per-category totals table with percentages.
• #/settings: sanitized setup summary (fund, steward, base currency, beneficiaries, families, fairness threshold, data provider, onboarding). Never expose secrets.

Insights

Read-only, deterministic observations rendered from { code, severity, params } by localized templates (zh + en). Codes: monthly_surplus / monthly_deficit, care_coverage, care_share, balance_runway, fairness_deviation. They are neutral facts, never advice, and never actions.

File Contract

Read references/fund-schema.md before editing the app, content/kelly-family-fund-app/app/js/config.js, or scripts/import_csv.mjs.

Safety Defaults

• Never move money, pay a care home, transfer, or settle between families. The AirApp only reads Busabase and renders it; only the trusted importer writes.
• Keep raw ledger exports outside git; write only normalized safe fields to Busabase.
• Fairness is computed deterministically and shown transparently; it never prescribes who should pay what.
• If a month is missing income or expenses, surface it as an empty/attention state rather than inventing values.