refactor: unify three-exchange instance UI with shared templates

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

scripts/build_embed_fragment.py

@@ -1,33 +1,63 @@
-"""Build embed_page_fragment.html from gate index.html."""
+"""Build embed_page_fragment.html from lib/instance/templates/index.html."""
 from __future__ import annotations
 
 from pathlib import Path
 
 ROOT = Path(__file__).resolve().parent.parent
-src_lines = (ROOT / "crypto_monitor_gate" / "templates" / "index.html").read_text(
-    encoding="utf-8"
-).splitlines()
+SRC = ROOT / "lib" / "instance" / "templates" / "index.html"
+OUT = ROOT / "lib" / "instance" / "templates" / "embed_page_fragment.html"
 
-# 1-based line numbers from index.html
-macro_body = src_lines[243:262]  # {% macro %} … {% endmacro %}
-grid_inner = src_lines[328:736]  # inside .grid (exclude outer wrapper)
-stats_block = src_lines[738:772]
+GRID_START = '    <div class="grid">'
+STATS_START = '        <div class="card full stats-card'
 
-out_lines = [
-    "{# Hub iframe tab fragment — shared via embed_templates #}",
-    *macro_body,
-    '<div class="grid">',
-    *grid_inner,
-    "</div>",
-    *stats_block,
-]
 
-out_dir = ROOT / "lib" / "instance" / "templates"
-out_dir.mkdir(exist_ok=True)
-text = "\n".join(out_lines) + "\n"
-text = text.replace(
-    "{% include 'order_monitor_rule_tips_gate.html' %}",
-    "{% include order_rule_tips_tpl %}",
-)
-(out_dir / "embed_page_fragment.html").write_text(text, encoding="utf-8")
-print("wrote", out_dir / "embed_page_fragment.html", "lines", len(out_lines))
+def _slice_between(lines: list[str], start: str, end: str | None) -> list[str]:
+    try:
+        i = next(idx for idx, line in enumerate(lines) if line == start)
+    except StopIteration:
+        raise SystemExit(f"marker not found: {start!r}")
+    if end is None:
+        return lines[i:]
+    try:
+        j = next(idx for idx, line in enumerate(lines[i + 1 :], i + 1) if line.startswith(end))
+    except StopIteration:
+        raise SystemExit(f"end marker not found: {end!r}")
+    return lines[i:j]
+
+
+def main() -> None:
+    lines = SRC.read_text(encoding="utf-8").splitlines()
+    macro_start = next(i for i, l in enumerate(lines) if l.startswith("{% macro period_stats"))
+    macro_end = next(i for i, l in enumerate(lines) if l.strip() == "{% endmacro %}")
+    macro_body = lines[macro_start : macro_end + 1]
+
+    grid_block = _slice_between(lines, GRID_START, STATS_START)
+    # strip outer .grid wrapper; fragment adds its own
+    if grid_block and grid_block[0] == GRID_START:
+        grid_block = grid_block[1:]
+    if grid_block and grid_block[-1].strip() == "</div>":
+        # only remove closing div if it closes .grid (heuristic: last line before stats)
+        pass
+
+    stats_block = _slice_between(lines, STATS_START, "    </div>")
+
+    out_lines = [
+        "{# Hub iframe tab fragment — shared via embed_templates #}",
+        *macro_body,
+        '<div class="grid">',
+        *grid_block,
+        "</div>",
+        *stats_block,
+    ]
+    text = "\n".join(out_lines).rstrip() + "\n"
+    if "order_rule_tips_tpl" not in text:
+        text = text.replace(
+            "{% include 'order_monitor_rule_tips_binance.html' %}",
+            "{% include order_rule_tips_tpl %}",
+        )
+    OUT.write_text(text, encoding="utf-8")
+    print("wrote", OUT, "lines", len(out_lines))
+
+
+if __name__ == "__main__":
+    main()