feat: add deposits/addresses, wallet transfer, invoice share, outstanding-aging report

[Jay-Peter-Egemasi]

Summary

Closes #1028
Closes #1026
Closes #1017
Closes #1009

Changes

#1028 — GET,POST /api/routes-d/deposits/addresses

List and generate deposit addresses. GET filters by network query param. POST validates network (mainnet/testnet), looks up wallet address, creates a depositAddress record.

#1026 — POST /api/routes-d/wallet/transfer

Internal transfer between wallet buckets. Validates fromBucket, toBucket (savings/operating/reserve), amount, and currency. Rejects same-bucket transfers. Creates an internal_transfer transaction.

#1017 — POST /api/routes-b/invoices/[id]/share

Share an invoice via channel link. Validates invoice ownership, validates channels (link/email/slack), generates a base64url share token, returns shareUrl and expiresAt (7 days). Wrapped with withRequestId.

#1009 — GET /api/routes-b/reports/outstanding-aging

Outstanding-by-aging-bucket report. Buckets pending/overdue invoices into current, 1-30, 31-60, 61-90, 90+ day bands. Accepts currency query param. Returns totals per bucket and overall. Wrapped with withRequestId.

Test plan

• Auth: 401 on missing/invalid tokens
• Deposits: 422 for invalid network, 201 with address on success
• Transfer: 422 for same bucket or invalid bucket names
• Share: 404 on wrong invoice, 422 on invalid channel, share URL returned
• Aging: empty state returns zero buckets, overdue invoice bucketed correctly

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