feat: browser access (allowed_origins, CORS with Private Network Access), job cancel, Tomie/Unity adapters, benchmark

Includes earlier uncommitted work: Tomie and Unity adapters, benchmark, structured output, call metrics.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

local_translator/naninovel.py

@@ -0,0 +1,17 @@
+"""Naninovel managed-text dictionary helpers."""
+
+
+def parse_dictionary(text):
+    result, seen = [], set()
+    for line_number, line in enumerate(text.splitlines(), 1):
+        if not line.strip() or line.lstrip().startswith((";", "#", "//")):
+            continue
+        key, separator, value = line.partition(":")
+        if not separator or not key.strip() or not value.strip():
+            continue
+        key = key.strip()
+        if key in seen:
+            raise ValueError(f"Duplicate dictionary key at line {line_number}: {key}")
+        seen.add(key)
+        result.append({"id": key, "text": value.lstrip(), "line": line_number})
+    return result