fix(hedge): filter options-chain by min hours and strike interval for option-primary

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/common/static/hedge_plan.js

@@ -1036,9 +1036,16 @@
   }
 
   async function loadChain() {
-    const d = await apiJson(
-      "/api/hedge-plan/options-chain?underlying=" + encodeURIComponent(state.underlying)
-    );
+    let url =
+      "/api/hedge-plan/options-chain?underlying=" + encodeURIComponent(state.underlying);
+    if (isOptionPrimary()) {
+      url +=
+        "&option_primary=1&min_hours=" +
+        encodeURIComponent(String(numInput("hp-min-hours", 36))) +
+        "&strike_interval=" +
+        encodeURIComponent(String(numInput("hp-strike-interval", 15)));
+    }
+    const d = await apiJson(url);
     state.chain = d;
     const idx = $("hp-index-line");
     if (idx) idx.textContent = "指数 " + fmt(d.index_px, 2);