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backend/src/api/routes/__init__.py

@@ -1,7 +1,7 @@
 # Lazy loading of route modules to avoid import issues in tests
 # This allows tests to import routes without triggering all module imports
 
-__all__ = ['plugins', 'tasks', 'settings', 'connections', 'environments', 'mappings', 'migration', 'git', 'storage', 'admin']
+__all__ = ['plugins', 'tasks', 'settings', 'connections', 'environments', 'mappings', 'migration', 'git', 'storage', 'admin', 'reports']
 
 def __getattr__(name):
     if name in __all__:

backend/src/api/routes/reports.py

@@ -0,0 +1,131 @@
+# [DEF:ReportsRouter:Module]
+# @TIER: CRITICAL
+# @SEMANTICS: api, reports, list, detail, pagination, filters
+# @PURPOSE: FastAPI router for unified task report list and detail retrieval endpoints.
+# @LAYER: UI (API)
+# @RELATION: DEPENDS_ON -> backend.src.services.reports.report_service.ReportsService
+# @RELATION: DEPENDS_ON -> backend.src.dependencies
+# @INVARIANT: Endpoints are read-only and do not trigger long-running tasks.
+
+# [SECTION: IMPORTS]
+from datetime import datetime
+from typing import List, Optional
+
+from fastapi import APIRouter, Depends, HTTPException, Query, status
+
+from ...dependencies import get_task_manager, has_permission
+from ...core.task_manager import TaskManager
+from ...core.logger import belief_scope
+from ...models.report import ReportCollection, ReportDetailView, ReportQuery, ReportStatus, TaskType
+from ...services.reports.report_service import ReportsService
+# [/SECTION]
+
+router = APIRouter(prefix="/api/reports", tags=["Reports"])
+
+
+# [DEF:_parse_csv_enum_list:Function]
+# @PURPOSE: Parse comma-separated query value into enum list.
+# @PRE: raw may be None/empty or comma-separated values.
+# @POST: Returns enum list or raises HTTP 400 with deterministic machine-readable payload.
+# @PARAM: raw (Optional[str]) - Comma-separated enum values.
+# @PARAM: enum_cls (type) - Enum class for validation.
+# @PARAM: field_name (str) - Query field name for diagnostics.
+# @RETURN: List - Parsed enum values.
+def _parse_csv_enum_list(raw: Optional[str], enum_cls, field_name: str) -> List:
+    if raw is None or not raw.strip():
+        return []
+    values = [item.strip() for item in raw.split(",") if item.strip()]
+    parsed = []
+    invalid = []
+    for value in values:
+        try:
+            parsed.append(enum_cls(value))
+        except ValueError:
+            invalid.append(value)
+    if invalid:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail={
+                "message": f"Invalid values for '{field_name}'",
+                "field": field_name,
+                "invalid_values": invalid,
+                "allowed_values": [item.value for item in enum_cls],
+            },
+        )
+    return parsed
+# [/DEF:_parse_csv_enum_list:Function]
+
+
+# [DEF:list_reports:Function]
+# @PURPOSE: Return paginated unified reports list.
+# @PRE: authenticated/authorized request and validated query params.
+# @POST: returns {items,total,page,page_size,has_next,applied_filters}.
+# @POST: deterministic error payload for invalid filters.
+@router.get("", response_model=ReportCollection)
+async def list_reports(
+    page: int = Query(1, ge=1),
+    page_size: int = Query(20, ge=1, le=100),
+    task_types: Optional[str] = Query(None, description="Comma-separated task types"),
+    statuses: Optional[str] = Query(None, description="Comma-separated statuses"),
+    time_from: Optional[datetime] = Query(None),
+    time_to: Optional[datetime] = Query(None),
+    search: Optional[str] = Query(None, max_length=200),
+    sort_by: str = Query("updated_at"),
+    sort_order: str = Query("desc"),
+    task_manager: TaskManager = Depends(get_task_manager),
+    _=Depends(has_permission("tasks", "READ")),
+):
+    with belief_scope("list_reports"):
+        try:
+            parsed_task_types = _parse_csv_enum_list(task_types, TaskType, "task_types")
+            parsed_statuses = _parse_csv_enum_list(statuses, ReportStatus, "statuses")
+            query = ReportQuery(
+                page=page,
+                page_size=page_size,
+                task_types=parsed_task_types,
+                statuses=parsed_statuses,
+                time_from=time_from,
+                time_to=time_to,
+                search=search,
+                sort_by=sort_by,
+                sort_order=sort_order,
+            )
+        except HTTPException:
+            raise
+        except Exception as exc:
+            raise HTTPException(
+                status_code=status.HTTP_400_BAD_REQUEST,
+                detail={
+                    "message": "Invalid query parameters",
+                    "code": "INVALID_REPORT_QUERY",
+                    "reason": str(exc),
+                },
+            )
+
+        service = ReportsService(task_manager)
+        return service.list_reports(query)
+# [/DEF:list_reports:Function]
+
+
+# [DEF:get_report_detail:Function]
+# @PURPOSE: Return one normalized report detail with diagnostics and next actions.
+# @PRE: authenticated/authorized request and existing report_id.
+# @POST: returns normalized detail envelope or 404 when report is not found.
+@router.get("/{report_id}", response_model=ReportDetailView)
+async def get_report_detail(
+    report_id: str,
+    task_manager: TaskManager = Depends(get_task_manager),
+    _=Depends(has_permission("tasks", "READ")),
+):
+    with belief_scope("get_report_detail", f"report_id={report_id}"):
+        service = ReportsService(task_manager)
+        detail = service.get_report_detail(report_id)
+        if not detail:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail={"message": "Report not found", "code": "REPORT_NOT_FOUND"},
+            )
+        return detail
+# [/DEF:get_report_detail:Function]
+
+# [/DEF:ReportsRouter:Module]