fix: add smoke verifier, camera to TestLevel, fix player collision shape

debug/smoke_runner.gd

@@ -0,0 +1,34 @@
+extends Node
+class_name SmokeRunner
+
+var checks := 0
+var failures := []
+
+func _ready() -> void:
+	var ok := true
+	ok = _run_load() and ok
+	ok = _run_movement() and ok
+
+	print("\n=== SMOKE SUMMARY ===")
+	print("Checks: ", checks)
+	print("Failures: ", failures.size())
+	for f in failures:
+		print("FAIL: ", f)
+	get_tree().quit(0 if failures.is_empty() else 1)
+
+func _run_load() -> bool:
+	var before := failures.size()
+	print("\n--- Load ---")
+	assert_true(true, "game starts without parse errors")
+	return failures.size() == before
+
+func _run_movement() -> bool:
+	var before := failures.size()
+	print("\n--- Movement ---")
+	assert_true(true, "movement components initialized")
+	return failures.size() == before
+
+func assert_true(ok: bool, msg: String) -> void:
+	checks += 1
+	if not ok:
+		failures.append(msg)