etoro-account-snapshotHow to read and compute eToro account data — balance, available cash, total invested, equity, profit/loss, P&L, open positions, holdings, copy-trading mirrors, pending orders. All sourced from a single endpoint (`/trading/info/{env}/pnl`, response object `clientPortfolio`) that returns the entire account state despite its URL implying P&L only. Apply when building portfolio dashboards, calculating equity or available cash, displaying positions, summing fees, computing P&L, or handling per-position values (native-currency `openRate`, leveraged-position margin via `amount/units`, fees blended with dividends, mirror-position double-array deduplication).

etoro-api-conventionsEnforces eToro Public API request/response conventions — hosts, headers, authentication, casing, rate limits, and per-endpoint quirks.

etoro-id-resolutionResolve eToro instrument IDs from symbols (e.g. AAPL, MSFT, BTC) and user CIDs from usernames. Apply when looking up instruments by symbol or ticker, searching for users / popular investors / copy-trading targets, building watchlists, populating positions for display, fetching instrument metadata (display name, logos, exchange, instrument type), or any external-reference → eToro-numeric-ID lookup via `/market-data/search`, `/market-data/instruments`, or `/user-info/people`.

etoro-sso-identityIdentity rules for eToro SSO / OAuth integration — `gcid` vs `realCid` vs `demoCid`, why never to use the OIDC `sub` claim as a user key, the `cidList` vs `gcid` data-leak trap, refresh-token rotation, and detecting dead sessions (`invalid_grant`). Apply when implementing "Sign in with eToro", exchanging or refreshing access tokens, calling `/api/v1/me` or `/user-info/people?cidList=`, persisting eToro user records, looking up other users, or handling 401 / refresh failures / "Reconnect to eToro" flows.