fix: route case-insensitive worker messages

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

tests/test_broker.py

@@ -21,6 +21,23 @@ def test_broker_accepts_worker_output_with_distinct_provenance(tmp_path, monkeyp
     assert store.list()[0]["provenance"] == "worker_output"
 
 
+def test_broker_accepts_case_insensitive_framed_worker_output(tmp_path, monkeypatch):
+    monkeypatch.setattr("tamq.broker.validate_targets", lambda targets: None)
+    store = Store(tmp_path / "queue.sqlite3")
+    broker = InputBroker(store, BrokerIdentity("ep", "net-kingdom"))
+    assert broker.inspect_worker_line("• tO:railiance-platform: hello") is not None
+    row = store.list()[0]
+    assert row["body"] == "hello"
+    assert row["provenance"] == "worker_output"
+
+
+def test_case_insensitive_delivery_envelopes_are_not_rescanned(tmp_path):
+    store = Store(tmp_path / "queue.sqlite3")
+    broker = InputBroker(store, BrokerIdentity("ep", "net-kingdom"))
+    assert broker.inspect_worker_line("fRoM:railiance-platform: hello") is None
+    assert store.line_state("ep", "net-kingdom")["output"] == 0
+
+
 def test_worker_cmd_is_inert_but_operator_cmd_changes_mode(tmp_path):
     store = Store(tmp_path / "queue.sqlite3")
     store.register_endpoint("ep", 9, "tamq", ["repo"], "output")
@@ -30,11 +47,24 @@ def test_worker_cmd_is_inert_but_operator_cmd_changes_mode(tmp_path):
     )
     broker.inspect_worker_line("Cmd: mode=trigger")
     assert store.endpoint("ep")["delivery_mode"] == "output"
-    broker.inspect_operator_line("Cmd: mode=trigger")
+    broker.inspect_operator_line("cMD: MODE=TRIGGER")
     assert store.endpoint("ep")["delivery_mode"] == "trigger"
     assert notices[-1] == "From:tamq: Mode set to trigger."
 
 
+def test_operator_command_names_are_case_insensitive(tmp_path):
+    store = Store(tmp_path / "queue.sqlite3")
+    store.register_endpoint("ep", 9, "tamq", ["repo"], "output")
+    notices = []
+    broker = InputBroker(
+        store, BrokerIdentity("ep", "repo"), notify=notices.append
+    )
+    broker.inspect_operator_line("CMD: MAXMSG=12")
+    assert store.line_state("ep", "repo")["maxmsg"] == 12
+    broker.inspect_operator_line("cmd: RESET-LIMITS")
+    assert notices[-1] == "From:tamq: Limits reset for this terminal."
+
+
 def test_limits_block_at_equality_and_reset_current_window(tmp_path, monkeypatch):
     monkeypatch.setattr("tamq.broker.validate_targets", lambda targets: None)
     store = Store(tmp_path / "queue.sqlite3")

tests/test_ptytap.py

@@ -93,6 +93,17 @@ def test_output_observer_fails_closed_on_recent_operator_echo():
     assert lines == ["To:target: worker"]
 
 
+def test_output_observer_preserves_full_screen_program_gutters():
+    lines = []
+    observer = TerminalOutputObserver(lines.append)
+    observer.feed(
+        b"\x1b[4;1H\xe2\x80\xba To:target: operator echo"
+        b"\x1b[5;1H\xe2\x80\xa2 tO:target: worker reply"
+        b"\x1b[6;1H"
+    )
+    assert lines == ["› To:target: operator echo", "• tO:target: worker reply"]
+
+
 def test_copy_winsize_preserves_rows_columns_and_pixels():
     source_master, source_slave = pty.openpty()
     target_master, target_slave = pty.openpty()

tests/test_ptytap_integration.py

@@ -113,7 +113,7 @@ def test_real_pty_attributes_worker_output_and_suppresses_operator_echo(
         "print('READY', flush=True)\n"
         "for line in sys.stdin:\n"
         "    print(line.rstrip('\\r\\n'), flush=True)\n"
-        "    print('To:target: worker reply', flush=True)\n",
+        "    print('\\x1b[5;1H• tO:target: worker reply\\x1b[6;1H', flush=True)\n",
         encoding="utf-8",
     )
     bin_dir = tmp_path / "bin"

tests/test_routing.py

@@ -1,10 +1,18 @@
 import pytest
 
-from tamq.routing import parse_address_line, parse_command_line
+from tamq.routing import (
+    is_delivery_line,
+    parse_address_line,
+    parse_command_line,
+    parse_worker_address_line,
+)
 
 
-def test_direct_address_uses_readable_case_sensitive_grammar():
-    routed = parse_address_line("To:railiance-platform: do something!")
+@pytest.mark.parametrize("keyword", ["to", "To", "TO", "tO"])
+def test_direct_address_keyword_is_case_insensitive(keyword):
+    routed = parse_address_line(
+        f"{keyword}:railiance-platform: do something!"
+    )
     assert routed.body == "do something!"
     assert routed.target_repo == "railiance-platform"
 
@@ -14,7 +22,6 @@ def test_direct_address_uses_readable_case_sensitive_grammar():
     [
         "@repo: removed",
         "#repo: removed",
-        "to:repo: wrong case",
         "hello To:repo: not at start",
         "To:repo:",
         "From:repo: inbound envelope",
@@ -24,7 +31,23 @@ def test_non_protocol_and_legacy_input_is_not_routed(line):
     assert parse_address_line(line) is None
 
 
-def test_operator_command_grammar():
-    assert parse_command_line("Cmd: mode=trigger") == "mode=trigger"
-    assert parse_command_line("Cmd: reset-limits") == "reset-limits"
-    assert parse_command_line("cmd: mode=trigger") is None
+@pytest.mark.parametrize("keyword", ["cmd", "Cmd", "CMD", "cMd"])
+def test_operator_command_keyword_is_case_insensitive(keyword):
+    assert parse_command_line(f"{keyword}: mode=trigger") == "mode=trigger"
+    assert parse_command_line(f"{keyword}: reset-limits") == "reset-limits"
+
+
+@pytest.mark.parametrize("keyword", ["from", "From", "FROM", "fRoM"])
+def test_delivery_keyword_is_case_insensitive(keyword):
+    assert is_delivery_line(f"{keyword}:repo: inbound envelope") is True
+
+
+@pytest.mark.parametrize("gutter", ["• ", "  ●  ", "▪ ", "◆ "])
+def test_worker_address_accepts_terminal_output_gutter(gutter):
+    routed = parse_worker_address_line(f"{gutter}tO:target: worker reply")
+    assert routed == parse_address_line("To:target: worker reply")
+
+
+@pytest.mark.parametrize("gutter", ["› ", "> ", "$ ", "# ", "* ", "- "])
+def test_worker_address_rejects_operator_and_markup_gutters(gutter):
+    assert parse_worker_address_line(f"{gutter}To:target: operator echo") is None

tests/test_tmux_manager.py

@@ -161,9 +161,11 @@ def test_neutral_plan_starts_shell_without_sending_keystrokes(tmp_path, monkeypa
     assert "TAMQ_REPO=b" in new_window
     assert f"PATH={command_dir}{os.pathsep}" in " ".join(new_session)
     assert f"PATH={command_dir}{os.pathsep}" in " ".join(new_window)
-    assert (command_dir / "To:a:").is_file()
-    assert (command_dir / "To:b:").is_file()
-    assert (command_dir / "Cmd:").is_file()
+    for keyword in ("To", "to", "TO", "tO"):
+        assert (command_dir / f"{keyword}:a:").is_file()
+        assert (command_dir / f"{keyword}:b:").is_file()
+    for keyword in ("Cmd", "cmd", "CMD", "cMd"):
+        assert (command_dir / f"{keyword}:").is_file()
     assert not any(path.name.startswith("@") for path in command_dir.iterdir())
 
 
@@ -174,7 +176,16 @@ def test_protocol_commands_absorb_forwarded_shell_lines(tmp_path):
     )
     manager._install_address_commands(["audit-core"])
 
-    for name in ("To:audit-core:", "Cmd:"):
+    for name in (
+        "To:audit-core:",
+        "to:audit-core:",
+        "TO:audit-core:",
+        "tO:audit-core:",
+        "Cmd:",
+        "cmd:",
+        "CMD:",
+        "cMd:",
+    ):
         result = subprocess.run(
             [str(command_dir / name), "Some message!", "$value"],
             text=True,