Add AI lab action guardrails

backend/tests/test_sprint104_ai_lab_action_guardrails.py

@@ -0,0 +1,40 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[2]
+
+
+def test_detection_lab_distinguishes_configured_model_from_ui_runnable_action() -> None:
+    lab = (ROOT / "frontend" / "src" / "components" / "detection" / "DetectionLab.tsx").read_text(
+        encoding="utf-8"
+    )
+
+    assert "detectionModelUiRunnable" in lab
+    assert "selectedDetectionModelId !== 'manual-fixture-detector'" in lab
+    assert "detectionRunBlockedReason" in lab
+    assert "Fixture model is explicit test/demo-only" in lab
+    assert "Run action" in lab
+    assert "disabled={runningDetection || !detectionRunReady}" in lab
+
+
+def test_segmentation_lab_distinguishes_configured_model_from_ui_runnable_action() -> None:
+    lab = (ROOT / "frontend" / "src" / "components" / "segmentation" / "SegmentationLab.tsx").read_text(
+        encoding="utf-8"
+    )
+
+    assert "segmentationModelUiRunnable" in lab
+    assert "selectedSegmentationModelId !== 'fixture-segmenter'" in lab
+    assert "segmentationRunBlockedReason" in lab
+    assert "Fixture segmenter is explicit test/demo-only" in lab
+    assert "Run action" in lab
+    assert "disabled={runningSegmentation || !segmentationRunReady}" in lab
+
+
+def test_ai_lab_guardrail_styles_remain_compact() -> None:
+    css = (ROOT / "frontend" / "src" / "styles" / "app.css").read_text(encoding="utf-8")
+
+    assert ".lab-action-guardrail" in css
+    assert ".lab-action-guardrail-ready" in css
+    assert "overflow-wrap: anywhere;" in css