feat(web): add data-backed planning overview

tests/test_overview_dashboard.py

@@ -0,0 +1,49 @@
+"""Focused regression checks for the data-backed CutList overview."""
+
+from __future__ import annotations
+
+import unittest
+from pathlib import Path
+
+REPO_ROOT = Path(__file__).resolve().parents[1]
+HOME_PAGE = REPO_ROOT / "CutList.Web/Components/Pages/Home.razor"
+OVERVIEW_SERVICE = REPO_ROOT / "CutList.Web/Services/OverviewService.cs"
+PROGRAM = REPO_ROOT / "CutList.Web/Program.cs"
+APP_CSS = REPO_ROOT / "CutList.Web/wwwroot/css/app.css"
+
+
+class OverviewDashboardTests(unittest.TestCase):
+    def test_overview_uses_a_dedicated_data_service(self) -> None:
+        self.assertTrue(OVERVIEW_SERVICE.exists(), "Expected a data-backed overview service")
+        source = OVERVIEW_SERVICE.read_text()
+        self.assertIn("GetSnapshotAsync", source)
+        self.assertIn("context.Jobs", source)
+        self.assertIn("context.JobStocks", source)
+        self.assertIn("OrderByDescending(j => j.CreatedAt)", source)
+        self.assertIn("GroupBy(s => new { s.MaterialId, s.LengthInches })", source)
+
+    def test_overview_renders_recent_jobs_and_frequently_specified_stock(self) -> None:
+        markup = HOME_PAGE.read_text()
+        self.assertIn("@inject OverviewService OverviewService", markup)
+        self.assertIn("Recently created jobs", markup)
+        self.assertIn("Frequently specified stock", markup)
+        self.assertIn("Based on stock configured on jobs", markup)
+        self.assertIn("overview.RecentJobs", markup)
+        self.assertIn("overview.FrequentStock", markup)
+
+    def test_overview_service_is_registered_and_has_dashboard_layout_rules(self) -> None:
+        self.assertIn("AddScoped<OverviewService>()", PROGRAM.read_text())
+        css = APP_CSS.read_text()
+        self.assertIn(".overview-grid", css)
+        self.assertIn(".overview-stock-list", css)
+        self.assertIn(".overview-recent-jobs", css)
+
+    def test_overview_shows_an_explicit_unavailable_state_if_data_cannot_load(self) -> None:
+        markup = HOME_PAGE.read_text()
+        self.assertIn("loadError", markup)
+        self.assertIn("Overview data is unavailable", markup)
+        self.assertIn("catch (Exception ex)", markup)
+
+
+if __name__ == "__main__":
+    unittest.main()