Polish mobile UI and editor workflows

tests/test_active_email_reply_guard.py

@@ -0,0 +1,13 @@
+from pathlib import Path
+
+
+def test_active_email_reader_blocks_immediate_reply_tools():
+    source = Path("routes/chat_routes.py").read_text(encoding="utf-8")
+    guard_start = source.index("if active_email_ctx and active_email_ctx.get(\"uid\"):")
+    guard_block = source[guard_start:source.index("# Enforce per-user privileges", guard_start)]
+
+    assert '"reply_to_email"' in guard_block
+    assert '"mcp__email__reply_to_email"' in guard_block
+    assert '"send_email"' in guard_block
+    assert '"mcp__email__send_email"' in guard_block
+    assert '"create_document"' in guard_block