Gonçalo Rodrigues 6712c36081 feat: user-editable ISIN→ticker mappings for unrecognised holdings ...

When a holding has no price (ISIN not in the built-in map and Yahoo
rejects the raw ISIN), the portfolio page now shows an amber banner
listing each missing ISIN with an inline text input and a "Look up"
link to Yahoo Finance symbol search.

Submitting the form POSTs to /portfolio/ticker which upserts the mapping
into a finance_ticker_mappings collection keyed by (user_id, ISIN).
On the next page load custom mappings are resolved first, before the
hardcoded isinToTicker table, so user overrides always win.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-06-13 19:05:36 +01:00

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