feat(api): 新增 SRE 戰情室 digest preview

apps/api/tests/test_report_generation_service.py

@@ -318,6 +318,46 @@ class TestFormatDailyReport:
         assert "Verifier: source_health_ready 1/2" in report
         assert "不代表已授權發送或自動修復" in report
 
+    def test_sre_digest_preview_contains_assets_and_boundaries(self):
+        """SRE 戰情室 digest 應收斂缺口、資產與 no-send 邊界"""
+        source_health = {
+            "rollups": {
+                "source_ok_count": 2,
+                "source_count": 5,
+                "source_gap_count": 3,
+                "confidence_percent": 40,
+                "no_send_preview_count": 3,
+            },
+            "source_health": [
+                {"work_item_id": "report-source-gap:incident_summary"},
+            ],
+            "work_items": [
+                {"work_item_id": "report-source-gap:incident_summary"},
+                {"work_item_id": "report-source-gap:ai_performance"},
+            ],
+            "automation_assets": [
+                {"label": "KM", "state": "draft_ready", "done_count": 3, "blocked_count": 2},
+                {"label": "PlayBook", "state": "draft_required", "done_count": 0, "blocked_count": 2},
+                {"label": "Verifier", "state": "source_health_ready", "done_count": 1, "blocked_count": 2},
+            ],
+        }
+        svc = ReportGenerationService()
+        report = svc.format_sre_digest_preview(
+            source_health,
+            generated_at=datetime(2026, 6, 18, 10, 0, tzinfo=_TZ_TAIPEI),
+        )
+
+        assert "AwoooI SRE 戰情室 digest no-send preview" in report
+        assert "來源: <code>2/5</code>" in report
+        assert "report-source-gap:incident_summary" in report
+        assert "live Telegram send: 0" in report
+        assert "Gateway queue write: 0" in report
+        assert "KM: draft_ready 3/5" in report
+        assert "PlayBook: draft_required 0/2" in report
+        assert "Verifier: source_health_ready 1/3" in report
+        assert "不發 Telegram" in report
+        assert "不啟動 runtime gate" in report
+
 
 # =============================================================================
 # format_postmortem

apps/api/tests/test_weekly_report_preview_api.py

@@ -70,3 +70,31 @@ def test_monthly_report_preview_exposes_source_health_no_send_preview():
     assert f"來源: <code>{data['source_ok_count']}/{data['source_total_count']}</code>" in preview
     assert "實發: 0" in preview
     assert "不代表已授權發送或自動修復" in preview
+
+
+def test_sre_digest_preview_exposes_source_health_no_send_preview():
+    client = TestClient(app)
+    response = client.get("/api/v1/stats/sre-digest/preview")
+
+    assert response.status_code == 200
+    data = response.json()
+    assert "report_date" in data
+    assert "source_ok_count" in data
+    assert "source_total_count" in data
+    assert "source_confidence_percent" in data
+    assert "source_gap_ids" in data
+    assert "no_send_preview_count" in data
+    assert "live_send_allowed_count" in data
+    assert "runtime_gate_count" in data
+    assert "formatted_preview" in data
+    assert data["live_send_allowed_count"] == 0
+    assert data["runtime_gate_count"] == 0
+
+    preview = data["formatted_preview"]
+    assert "AwoooI SRE 戰情室 digest no-send preview" in preview
+    assert "報表資料源 / 沉澱" in preview
+    assert f"來源: <code>{data['source_ok_count']}/{data['source_total_count']}</code>" in preview
+    assert "live Telegram send: 0" in preview
+    assert "Gateway queue write: 0" in preview
+    assert "不發 Telegram" in preview
+    assert "不啟動 runtime gate" in preview