refactor: Phase 3 — reorganize tests into module-mirroring subdirectories

Move 97 test files from flat tests/ into 13 subdirectories:
  tests/dashboard/   (8 files — routes, mobile, mission control)
  tests/swarm/       (17 files — coordinator, docker, routing, tasks)
  tests/timmy/       (12 files — agent, backends, CLI, tools)
  tests/self_coding/  (14 files — git safety, indexer, self-modify)
  tests/lightning/   (3 files — L402, LND, interface)
  tests/creative/    (8 files — assembler, director, image/music/video)
  tests/integrations/ (10 files — chat bridge, telegram, voice, websocket)
  tests/mcp/         (4 files — bootstrap, discovery, executor)
  tests/spark/       (3 files — engine, tools, events)
  tests/hands/       (3 files — registry, oracle, phase5)
  tests/scripture/   (1 file)
  tests/infrastructure/ (3 files — router cascade, API)
  tests/security/    (3 files — XSS, regression)

Fix Path(__file__) reference in test_mobile_scenarios.py for new depth.
Add __init__.py to all test subdirectories.

Tests: 1503 passed, 9 failed (pre-existing), 53 errors (pre-existing)

https://claude.ai/code/session_019oMFNvD8uSGSSmBMGkBfQN

tests/self_coding/test_watchdog_functional.py

@@ -0,0 +1,100 @@
+"""Functional tests for self_tdd.watchdog — continuous test runner.
+
+All subprocess calls are mocked to avoid running real pytest.
+"""
+
+from unittest.mock import patch, MagicMock, call
+
+import pytest
+
+from self_tdd.watchdog import _run_tests, watch
+
+
+class TestRunTests:
+    @patch("self_tdd.watchdog.subprocess.run")
+    def test_run_tests_passing(self, mock_run):
+        mock_run.return_value = MagicMock(
+            returncode=0,
+            stdout="5 passed\n",
+            stderr="",
+        )
+        passed, output = _run_tests()
+        assert passed is True
+        assert "5 passed" in output
+
+    @patch("self_tdd.watchdog.subprocess.run")
+    def test_run_tests_failing(self, mock_run):
+        mock_run.return_value = MagicMock(
+            returncode=1,
+            stdout="2 failed, 3 passed\n",
+            stderr="ERRORS",
+        )
+        passed, output = _run_tests()
+        assert passed is False
+        assert "2 failed" in output
+        assert "ERRORS" in output
+
+    @patch("self_tdd.watchdog.subprocess.run")
+    def test_run_tests_command_format(self, mock_run):
+        mock_run.return_value = MagicMock(returncode=0, stdout="", stderr="")
+        _run_tests()
+        cmd = mock_run.call_args[0][0]
+        assert "pytest" in " ".join(cmd)
+        assert "tests/" in cmd
+        assert "-q" in cmd
+        assert "--tb=short" in cmd
+        assert mock_run.call_args[1]["capture_output"] is True
+        assert mock_run.call_args[1]["text"] is True
+
+
+class TestWatch:
+    @patch("self_tdd.watchdog.time.sleep")
+    @patch("self_tdd.watchdog._run_tests")
+    @patch("self_tdd.watchdog.typer")
+    def test_watch_first_pass(self, mock_typer, mock_tests, mock_sleep):
+        """First iteration: None→passing → should print green message."""
+        call_count = 0
+
+        def side_effect():
+            nonlocal call_count
+            call_count += 1
+            if call_count >= 2:
+                raise KeyboardInterrupt
+            return (True, "all good")
+
+        mock_tests.side_effect = side_effect
+        watch(interval=10)
+        # Should have printed green "All tests passing" message
+        mock_typer.secho.assert_called()
+
+    @patch("self_tdd.watchdog.time.sleep")
+    @patch("self_tdd.watchdog._run_tests")
+    @patch("self_tdd.watchdog.typer")
+    def test_watch_regression(self, mock_typer, mock_tests, mock_sleep):
+        """Regression: passing→failing → should print red message + output."""
+        results = [(True, "ok"), (False, "FAILED: test_foo"), KeyboardInterrupt]
+        idx = 0
+
+        def side_effect():
+            nonlocal idx
+            if idx >= len(results):
+                raise KeyboardInterrupt
+            r = results[idx]
+            idx += 1
+            if isinstance(r, type) and issubclass(r, BaseException):
+                raise r()
+            return r
+
+        mock_tests.side_effect = side_effect
+        watch(interval=5)
+        # Should have printed red "Regression detected" at some point
+        secho_calls = [str(c) for c in mock_typer.secho.call_args_list]
+        assert any("Regression" in c for c in secho_calls) or any("RED" in c for c in secho_calls)
+
+    @patch("self_tdd.watchdog.time.sleep")
+    @patch("self_tdd.watchdog._run_tests")
+    @patch("self_tdd.watchdog.typer")
+    def test_watch_keyboard_interrupt(self, mock_typer, mock_tests, mock_sleep):
+        mock_tests.side_effect = KeyboardInterrupt
+        watch(interval=60)
+        mock_typer.echo.assert_called()  # "Watchdog stopped"