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Add live projected HF preview beside leverage slider #136

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Add live projected HF preview beside leverage slider #136

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5 changes: 5 additions & 0 deletions frontend/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -404,6 +404,11 @@ <h2 id="action-card-title">Open Position</h2>
<span class="slider-zone zone-degen" data-zone="degen">Degen</span>
<span class="slider-zone zone-maxi-degen hidden" id="zone-maxi-degen" data-zone="maxi-degen">Maxi Degen</span>
</div>
<div class="hf-live-preview" id="hf-live-preview" aria-live="polite">
<span class="hf-live-label">Projected HF</span>
<strong class="hf-live-value" id="hf-live-value">—</strong>
<span class="hf-live-status" id="hf-live-status">Move leverage to preview risk</span>
</div>
<p class="hf-warning hidden" id="non-borrowable-notice"></p>
<div id="apy-chart" class="apy-chart"></div>
<div class="leverage-preview">
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20 changes: 20 additions & 0 deletions frontend/src/main.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1167,6 +1167,25 @@ function switchAdjustSubTab(sub: "leverage" | "add-funds") {

// ── Leverage preview ──────────────────────────────────────────────────────────

function renderLiveHfPreview(hf: number) {
const preview = $("hf-live-preview");
const value = $("hf-live-value");
const status = $("hf-live-status");
const min = minHF();
const finite = Number.isFinite(hf);
const display = finite ? fmt(hf, expertMode ? 5 : 3) : hf > 0 ? "\u221E" : "--";
const state = !finite ? (hf > 0 ? "ok" : "bad") : hf >= 1.1 ? "ok" : hf >= min ? "warn" : "bad";

value.textContent = display;
value.className = `hf-live-value ${state === "ok" ? "hf-ok" : state === "warn" ? "hf-warn" : "hf-bad"}`;
status.textContent = state === "ok"
? `Safe above ${fmt(min, expertMode ? 5 : 3)} min`
: state === "warn"
? `Near ${fmt(min, expertMode ? 5 : 3)} minimum`
: `Below ${fmt(min, expertMode ? 5 : 3)} minimum`;
preview.className = `hf-live-preview hf-live-${state}`;
}

function updatePreview() {
const slider = $("leverage-slider") as HTMLInputElement;
const numIn = $("leverage-input") as HTMLInputElement;
Expand All @@ -1178,6 +1197,7 @@ function updatePreview() {
const l = rs?.lFactor ?? 1;
const hf = hfForLeverage(lev, c, l);
const pos = positions.byAsset.get(selectedAsset.id);
renderLiveHfPreview(hf);

// In adjust mode, use equity as the base; in add-funds mode, use the add-funds input; in open mode, use initial deposit
const equity = (actionMode === "adjust" && pos) ? pos.equity
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45 changes: 45 additions & 0 deletions frontend/src/style.css
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Expand Up @@ -621,6 +621,49 @@ main { flex: 1; max-width: 1200px; width: 100%; margin: 0 auto; padding: 20px 24
.slider-zone.active { opacity: 1; font-weight: 800; }
.slider-zone:not(.active) { opacity: .4; }

.hf-live-preview {
min-height: 38px;
display: grid;
grid-template-columns: auto auto 1fr;
align-items: center;
gap: 10px;
margin: 0 0 10px;
padding: 8px 10px;
background: var(--metric-bg);
border: 1px solid var(--border);
border-radius: var(--r-xs);
}
.hf-live-label {
color: var(--text-2);
font-size: 11px;
font-weight: 700;
letter-spacing: .4px;
text-transform: uppercase;
}
.hf-live-value {
font-family: var(--mono);
font-size: 16px;
line-height: 1;
}
.hf-live-status {
min-width: 0;
color: var(--text-3);
font-size: 12px;
text-align: right;
}
.hf-live-preview.hf-live-ok {
background: var(--primary-glow);
border-color: var(--success-border);
}
.hf-live-preview.hf-live-warn {
background: var(--warning-bg);
border-color: var(--warning-border);
}
.hf-live-preview.hf-live-bad {
background: var(--danger-bg);
border-color: var(--danger-border);
}

/* APY chart */
.apy-chart { margin: 4px 0 10px; overflow: visible; }
.apy-chart svg { width: 100%; height: 120px; display: block; overflow: visible; }
Expand Down Expand Up @@ -1192,6 +1235,8 @@ main { flex: 1; max-width: 1200px; width: 100%; margin: 0 auto; padding: 20px 24
.swap-asset-select { width: 100%; }
.slider-row { flex-wrap: wrap; }
.leverage-num-input { width: 100%; margin-top: 4px; }
.hf-live-preview { grid-template-columns: 1fr auto; }
.hf-live-status { grid-column: 1 / -1; text-align: left; }
#wallet-area { flex-wrap: wrap; gap: 6px; }
.btn-connect { font-size: 12px; padding: 5px 10px; }
.slippage-opt { padding: 2px 6px; font-size: 11px; }
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