Make SubFox production-ready with parallel translation and UI controls

app/services/srt_parser.py

@@ -0,0 +1,35 @@
+import re
+
+
+def parse_srt(content: str):
+    content = content.replace("\r\n", "\n").replace("\r", "\n").strip()
+    parts = re.split(r"\n\s*\n", content)
+
+    blocks = []
+
+    for part in parts:
+        lines = [line.rstrip() for line in part.split("\n") if line.strip() != ""]
+
+        if len(lines) < 3:
+            continue
+
+        try:
+            index = int(lines[0].strip())
+            times = lines[1].strip()
+
+            if " --> " not in times:
+                continue
+
+            start, end = times.split(" --> ", 1)
+            text = "\n".join(lines[2:]).strip()
+
+            blocks.append({
+                "index": index,
+                "start": start,
+                "end": end,
+                "text": text
+            })
+        except Exception:
+            continue
+
+    return blocks