feat(market): portfolio row-style redesign + per-wallet scope

Replace the drag/resize dashboard grid on the Market tab's portfolio with
three full-width row styles — compact (single-line), detailed (two-line),
and value-hero — cycled with Left/Right arrows like the Overview layouts.
Rows live in an internal scroll region bounded to the portfolio's height
budget, so the section stays put as groups are added.

- pfDrawRow renders each group in the selected style, reusing the icon /
  value / DRGX / 24h / sparkline pieces; per-entry field toggles honored.
- portfolio_style setting (0/1/2) persisted; arrow-key switcher + toast.
- Portfolio groups gain a per-wallet scope: new groups default to the
  active wallet's identity hash; legacy groups (empty scope) stay visible
  in every wallet. Scope filter drives both the height budget and the rows.
- Remove the now-dead grid machinery (mktDrawCard, pfComputeGridLayout,
  PfCell, PfGridDrag, MktCardCtx + MktCtx grid fields) — net code drop.
- Full UI sweep: seed demo portfolio groups + wavy price history and add
  market-rows-{compact,detailed,featured} surfaces so the styles are
  captured per skin (snapshot/restore the real portfolio + market data).
- i18n: portfolio_style_{label,compact,detailed,featured} + 8 langs; CJK
  subset rebuilt.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/config/settings.h

@@ -92,12 +92,16 @@ public:
         bool show24h = false;           // show the 24h % change (live-market bases only)
         bool showSparkline = false;     // show a price-trend sparkline (live-market bases only)
         int sparklineInterval = 0;      // 0=minute 1=hour 2=day 3=week 4=month (resample of price history)
-        // Dashboard grid placement on the Market portfolio. col/row in fine ~32px square cells
-        // (-1 = auto-place), w/h in cells (span). Set when the user drags/resizes a card.
+        // Per-wallet visibility: "" (shown in every wallet — legacy/global) or a wallet-identity
+        // hash (shown only when that wallet is active). New entries are tagged with the current
+        // wallet so a portfolio built for wallet A doesn't clutter wallet B.
+        std::string scope;
+        // Legacy dashboard-grid placement (deprecated by the row layout; kept for back-compat so an
+        // older build's saved positions aren't dropped, but no longer used by the renderer).
         int gridCol = -1;
         int gridRow = -1;
-        int gridW = 8;                 // default group width (cells); minimum is 8
-        int gridH = 3;                 // default group height (cells); minimum is 2, card design adapts
+        int gridW = 8;
+        int gridH = 3;
     };
 
     // Theme
@@ -176,6 +180,11 @@ public:
     std::string getBalanceLayout() const { return balance_layout_; }
     void setBalanceLayout(const std::string& v) { balance_layout_ = v; }
 
+    // Market-tab portfolio row style: 0 = single-line, 1 = two-line, 2 = value-hero. Cycled with
+    // Left/Right arrows on the Market tab (like the Overview layouts).
+    int getPortfolioStyle() const { return portfolio_style_; }
+    void setPortfolioStyle(int v) { portfolio_style_ = (v < 0 || v > 2) ? 0 : v; }
+
     // Console scanline effect
     bool getScanlineEnabled() const { return scanline_enabled_; }
     void setScanlineEnabled(bool v) { scanline_enabled_ = v; }
@@ -467,6 +476,7 @@ private:
     float window_opacity_ = 1.0f;       // Mac/Linux: default fully opaque
 #endif
     std::string balance_layout_ = "classic";
+    int portfolio_style_ = 0;   // Market portfolio row style (0 single / 1 two-line / 2 hero)
     bool scanline_enabled_ = true;
     std::set<std::string> hidden_addresses_;
     std::set<std::string> favorite_addresses_;