tiennm99 0d4feb9ef8 refactor: dynamic symbol resolution, flat portfolio, VN stocks only ...

Replace hardcoded 9-symbol registry with dynamic TCBS-based resolution.
Any VN stock ticker is now resolved on first use and cached in KV
permanently. Portfolio flattened from 4 category maps to single assets
map with automatic migration of old format. Crypto, gold, and currency
exchange disabled with "coming soon" message.

2026-04-14 17:22:05 +07:00

3.9 KiB

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