perf: reduce dodo data loading requests

tests/test_mvp_backend.py

@@ -1,5 +1,7 @@
 from datetime import UTC, datetime, timedelta
 
+from sqlalchemy import event
+
 
 def boot(client):
     response = client.post(
@@ -16,6 +18,14 @@ def test_recurring_calendar_exceptions_and_scopes(client):
         "/api/v1/tasks",
         json={"title": "站会", "list_id": inbox["id"], "due_at": "2026-09-01T09:00:00Z"},
     ).json()
+    normal_task = client.post(
+        "/api/v1/tasks",
+        json={"title": "月内普通任务", "list_id": inbox["id"], "due_at": "2026-09-12T09:00:00Z"},
+    ).json()
+    client.post(
+        "/api/v1/tasks",
+        json={"title": "月外普通任务", "list_id": inbox["id"], "due_at": "2026-10-02T09:00:00Z"},
+    )
     recurrence = client.post(
         "/api/v1/recurrences", json={"task_id": task["id"], "rrule": "FREQ=WEEKLY;BYDAY=TU,TH;COUNT=5"}
     )
@@ -24,6 +34,8 @@ def test_recurring_calendar_exceptions_and_scopes(client):
     calendar = client.get(
         "/api/v1/calendar", params={"start": "2026-09-01", "end": "2026-09-30"}
     ).json()
+    assert any(row.get("id") == normal_task["id"] for row in calendar)
+    assert not any(row["title"] == "月外普通任务" for row in calendar)
     occurrences = [row for row in calendar if row["recurrence_id"] == recurrence_id]
     assert len(occurrences) == 5
     assert occurrences[0]["title"] == "站会"
@@ -45,9 +57,50 @@ def test_recurring_calendar_exceptions_and_scopes(client):
         f"/api/v1/recurrences/{recurrence_id}",
         params={"scope": "this", "occurrence_at": occurrences[2]["occurrence_at"]},
     ).status_code == 204
-    assert len(client.get(
+    remaining = client.get(
         "/api/v1/calendar", params={"start": "2026-09-01", "end": "2026-09-30"}
-    ).json()) == 4
+    ).json()
+    assert len([row for row in remaining if row["recurrence_id"] == recurrence_id]) == 4
+    assert any(row.get("id") == normal_task["id"] for row in remaining)
+
+
+def test_habit_logs_support_date_range_filter(client):
+    boot(client)
+    habit = client.post("/api/v1/habits", json={"name": "跑步", "kind": "boolean", "schedule_type": "daily"}).json()
+    hid = habit["id"]
+    for day in ("2026-08-01", "2026-08-15", "2026-09-01"):
+        client.post(f"/api/v1/habits/{hid}/logs", json={"day": day, "value": 1})
+
+    all_logs = client.get(f"/api/v1/habits/{hid}/logs").json()
+    ranged = client.get(f"/api/v1/habits/{hid}/logs", params={"from": "2026-08-10", "to": "2026-08-31"}).json()
+
+    assert len(all_logs) == 3
+    assert [row["day"] for row in ranged] == ["2026-08-15"]
+
+
+def test_habit_grid_uses_a_bounded_number_of_queries(client, monkeypatch):
+    boot(client)
+    for index in range(6):
+        client.post("/api/v1/habits", json={"name": f"习惯 {index}", "kind": "boolean", "schedule_type": "daily"})
+
+    from backend.db import get_engine
+
+    statement_count = 0
+    engine = get_engine().sync_engine
+
+    def count_queries(*_):
+        nonlocal statement_count
+        statement_count += 1
+
+    event.listen(engine, "before_cursor_execute", count_queries)
+    try:
+        response = client.get("/api/v1/habits/grid", params={"week": "2026-09-01"})
+    finally:
+        event.remove(engine, "before_cursor_execute", count_queries)
+
+    assert response.status_code == 200
+    assert len(response.json()["habits"]) == 6
+    assert statement_count <= 5
 
 
 def test_habits_numeric_accumulation_pause_archive_grid_and_stats(client):
@@ -67,6 +120,11 @@ def test_habits_numeric_accumulation_pause_archive_grid_and_stats(client):
     assert client.post(f"/api/v1/habits/{habit_id}/pauses", json={"start_date": yesterday, "end_date": today}).status_code == 201
     grid = client.get("/api/v1/habits/grid", params={"week": yesterday}).json()
     assert len(grid["days"]) == 7 and grid["habits"][0]["cells"]
+    assert grid["habits"][0]["kind"] == "numeric"
+    assert grid["habits"][0]["target"] == 8
+    assert grid["habits"][0]["max_value"] == 10
+    assert grid["habits"][0]["stats"]["total"] == 8
+    assert grid["habits"][0]["stats"]["completed_days"] == 1
     stats = client.get(f"/api/v1/habits/{habit_id}/stats").json()
     assert stats["total"] == 8 and stats["completed_days"] == 1
     assert client.delete(f"/api/v1/habits/{habit_id}").status_code == 204