feat(agent-office): /activity 통합 피드에 필터 추가 (agent_id/type/status/days)

오버사이트 UI용. get_activity_feed가 브랜치별 WHERE로 필터, total도 동일 반영. status는 task 전용(주면 log 제외). 값은 ? 바인딩, type은 브랜치 선택만이라 injection 안전. 신규 5 테스트.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

agent-office/tests/test_activity_feed_filters.py

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+# agent-office/tests/test_activity_feed_filters.py
+import os
+import sys
+import tempfile
+import gc
+
+_fd, _TMP = tempfile.mkstemp(suffix=".db")
+os.close(_fd)
+os.unlink(_TMP)
+os.environ["AGENT_OFFICE_DB_PATH"] = _TMP
+
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+import pytest
+from app import db
+
+db.DB_PATH = _TMP
+
+
+@pytest.fixture(autouse=True)
+def fresh_db():
+    db.DB_PATH = _TMP
+    gc.collect()
+    if os.path.exists(_TMP):
+        os.remove(_TMP)
+    db.init_db()
+    yield
+    gc.collect()
+    if os.path.exists(_TMP):
+        try:
+            os.remove(_TMP)
+        except PermissionError:
+            pass
+
+
+def test_filter_by_agent_id():
+    db.create_task("lotto", "curate", {})
+    db.create_task("stock", "brief", {})
+    db.add_log("stock", "stock 로그")
+    feed = db.get_activity_feed(limit=50, offset=0, agent_id="lotto")
+    assert feed["total"] == 1
+    assert all(i["agent_id"] == "lotto" for i in feed["items"])
+
+
+def test_filter_type_task_excludes_logs():
+    db.create_task("lotto", "curate", {})
+    db.add_log("lotto", "로그 한 줄")
+    feed = db.get_activity_feed(limit=50, offset=0, type="task")
+    assert feed["total"] == 1
+    assert all(i["type"] == "task" for i in feed["items"])
+
+
+def test_filter_type_log_excludes_tasks():
+    db.create_task("lotto", "curate", {})
+    db.add_log("lotto", "로그 한 줄")
+    feed = db.get_activity_feed(limit=50, offset=0, type="log")
+    assert feed["total"] == 1
+    assert all(i["type"] == "log" for i in feed["items"])
+
+
+def test_filter_status_tasks_only():
+    t1 = db.create_task("lotto", "curate", {})
+    t2 = db.create_task("lotto", "curate", {})
+    db.update_task_status(t1, "succeeded", {})
+    db.update_task_status(t2, "failed", {})
+    db.add_log("lotto", "로그 한 줄")  # status 필터 시 log는 제외돼야 함
+    feed = db.get_activity_feed(limit=50, offset=0, status="succeeded")
+    assert feed["total"] == 1
+    assert all(i["type"] == "task" and i["status"] == "succeeded" for i in feed["items"])
+
+
+def test_no_filters_returns_all():
+    db.create_task("lotto", "curate", {})
+    db.add_log("stock", "로그")
+    feed = db.get_activity_feed(limit=50, offset=0)
+    assert feed["total"] == 2