Parametr select u vypisu, telo udalosti v calendarView

- calendar/view: include_body a body_type (html, text), telo udalosti
  rovnou ve vypisu bez dalsiho volani
- select u vypisu mailu, udalosti, calendarView, jedne udalosti a skupin;
  nahrazuje vychozi sadu poli
- app/graph_fields.py: vychozi sady a seznamy dostupnych poli, Swagger
  je zobrazuje v popisu parametru
- README: endpointy, popis select, zaznam zmen

app/routes.py

@@ -6,6 +6,15 @@ from fastapi import APIRouter, Body, Depends, Header, HTTPException, Query, Resp
 from .config import Settings
 from .credentials import get_request_settings
 from .graph_client import MicrosoftGraphClient
+from .graph_fields import (
+    EVENT_DEFAULT_SELECT,
+    EVENT_FIELDS,
+    GROUP_DEFAULT_SELECT,
+    GROUP_FIELDS,
+    MESSAGE_DEFAULT_SELECT,
+    MESSAGE_FIELDS,
+    select_description,
+)
 from .schemas import (
     CalendarEventRequest,
     CalendarEventUpdateRequest,
@@ -48,6 +57,11 @@ def get_planner_service(graph: MicrosoftGraphClient = Depends(get_graph_client))
     return PlannerService(graph)
 
 
+EVENT_SELECT_QUERY = Query(None, description=select_description(EVENT_DEFAULT_SELECT, EVENT_FIELDS))
+MESSAGE_SELECT_QUERY = Query(None, description=select_description(MESSAGE_DEFAULT_SELECT, MESSAGE_FIELDS))
+GROUP_SELECT_QUERY = Query(None, description=select_description(GROUP_DEFAULT_SELECT, GROUP_FIELDS))
+
+
 @router.get("/status")
 def microsoft365_status(request_settings: Settings = Depends(get_request_settings)) -> dict[str, Any]:
     return {
@@ -103,9 +117,10 @@ async def list_messages(
     user_id: str,
     folder: str = "Inbox",
     top: int = Query(25, ge=1, le=100),
+    select: str | None = MESSAGE_SELECT_QUERY,
     service: MailService = Depends(get_mail_service),
 ) -> Any:
-    return await service.list_messages(user_id=user_id, folder=folder, top=top)
+    return await service.list_messages(user_id=user_id, folder=folder, top=top, select=select)
 
 
 @router.post("/users/{user_id}/mail/send", status_code=status.HTTP_202_ACCEPTED)
@@ -129,9 +144,10 @@ async def get_calendar(user_id: str, service: CalendarService = Depends(get_cale
 async def list_events(
     user_id: str,
     top: int = Query(25, ge=1, le=100),
+    select: str | None = EVENT_SELECT_QUERY,
     service: CalendarService = Depends(get_calendar_service),
 ) -> Any:
-    return await service.list_events(user_id=user_id, top=top)
+    return await service.list_events(user_id=user_id, top=top, select=select)
 
 
 @router.post("/users/{user_id}/calendar/events", status_code=status.HTTP_201_CREATED)
@@ -150,9 +166,21 @@ async def list_calendar_view(
     end: str = Query(..., description="ISO 8601 with offset, e.g. 2026-09-08T18:00:00+02:00."),
     top: int = Query(25, ge=1, le=100),
     time_zone: str | None = Query(None, description="Time zone for returned dates, e.g. Europe/Prague."),
+    include_body: bool = Query(False, description="Also return body and bodyPreview of each event."),
+    body_type: str = Query("html", pattern="^(html|text)$", description="Body format when include_body is true."),
+    select: str | None = EVENT_SELECT_QUERY,
     service: CalendarService = Depends(get_calendar_service),
 ) -> Any:
-    return await service.list_calendar_view(user_id=user_id, start=start, end=end, top=top, time_zone=time_zone)
+    return await service.list_calendar_view(
+        user_id=user_id,
+        start=start,
+        end=end,
+        top=top,
+        time_zone=time_zone,
+        include_body=include_body,
+        body_type=body_type,
+        select=select,
+    )
 
 
 @router.post("/users/{user_id}/calendar/schedule")
@@ -168,9 +196,10 @@ async def get_schedule(
 async def get_event(
     user_id: str,
     event_id: str,
+    select: str | None = EVENT_SELECT_QUERY,
     service: CalendarService = Depends(get_calendar_service),
 ) -> Any:
-    return await service.get_event(user_id=user_id, event_id=event_id)
+    return await service.get_event(user_id=user_id, event_id=event_id, select=select)
 
 
 @router.patch("/users/{user_id}/calendar/events/{event_id}")
@@ -215,9 +244,10 @@ async def upload_small_file(
 @router.get("/groups")
 async def list_groups(
     top: int = Query(25, ge=1, le=999),
+    select: str | None = GROUP_SELECT_QUERY,
     service: GroupsService = Depends(get_groups_service),
 ) -> Any:
-    return await service.list_groups(top=top)
+    return await service.list_groups(top=top, select=select)
 
 
 @router.get("/teams/{team_id}/channels")