fix: decode TUI input before routing

Assistant: codex
Assistant-Model: gpt-5.6-sol
Assistant-Session: 01a03397-4d51-7fd1-8ff2-946eb22ea2bc

tests/test_ptytap.py

@@ -4,7 +4,7 @@ import pty
 import struct
 import termios
 
-from tamq.ptytap import PtyTap, copy_winsize, write_all
+from tamq.ptytap import PtyTap, copy_winsize, observed_line, write_all
 
 
 class RecordingBroker:
@@ -29,6 +29,48 @@ def test_input_observer_accepts_raw_terminal_carriage_returns():
     assert observed == ["#activity-core: hello"]
 
 
+def test_input_observer_accepts_enhanced_terminal_enter_sequences():
+    broker = RecordingBroker()
+    observed = []
+    tap = PtyTap(["true"], broker, on_line=observed.append)
+    buffer = bytearray()
+
+    tap._observe_input(buffer, b"#activity-core: CSI-u\x1b[13;1")
+    assert broker.lines == []
+    tap._observe_input(buffer, b":1u#other: modify\x1b[27;1;13~")
+    tap._observe_input(buffer, b"plain\x1bOM")
+
+    assert broker.lines == [
+        "#activity-core: CSI-u",
+        "#other: modify",
+        "plain",
+    ]
+    assert observed == ["#activity-core: CSI-u", "#other: modify"]
+
+
+def test_input_observer_ignores_terminal_replies_before_typed_line():
+    broker = RecordingBroker()
+    observed = []
+    tap = PtyTap(["true"], broker, on_line=observed.append)
+    buffer = bytearray()
+
+    tap._observe_input(buffer, b"\x1b[9;1R\x1b[?1;2;4c")
+    tap._observe_input(buffer, b"#activity-core: Helol\x7f\x7flo\r")
+
+    assert broker.lines == ["#activity-core: Hello"]
+    assert observed == ["#activity-core: Hello"]
+
+
+def test_observed_line_removes_common_terminal_protocol_wrappers():
+    raw = (
+        b"\x1b[200~#target: pasted\x1b[201~"
+        b"\x1b]10;rgb:ffff/ffff/ffff\x07"
+        b"\x1bP1$r0m\x1b\\"
+    )
+
+    assert observed_line(raw) == "#target: pasted"
+
+
 def test_copy_winsize_preserves_rows_columns_and_pixels():
     source_master, source_slave = pty.openpty()
     target_master, target_slave = pty.openpty()