feat(image-lab): image_tasks 테이블 + CRUD (video-lab 복제)

image-lab/tests/test_db.py

@@ -0,0 +1,29 @@
+import os, tempfile, importlib
+
+def _fresh_db(monkeypatch, tmp):
+    monkeypatch.setenv("IMAGE_DATA_DIR", tmp)
+    import app.db as db
+    importlib.reload(db)
+    db.init_db()
+    return db
+
+def test_create_and_get_task(monkeypatch):
+    with tempfile.TemporaryDirectory() as tmp:
+        db = _fresh_db(monkeypatch, tmp)
+        row = db.create_task("t1", "gpt_image", {"prompt": "a cat"})
+        assert row["id"] == "t1"
+        assert row["provider"] == "gpt_image"
+        assert row["status"] == "queued"
+        got = db.get_task("t1")
+        assert got["id"] == "t1"
+        assert db.get_task("nope") is None
+
+def test_update_task_sets_image_url(monkeypatch):
+    with tempfile.TemporaryDirectory() as tmp:
+        db = _fresh_db(monkeypatch, tmp)
+        db.create_task("t2", "nano_banana", {"prompt": "x"})
+        db.update_task("t2", "succeeded", 100, message="done", image_url="/media/image/t2.png")
+        got = db.get_task("t2")
+        assert got["status"] == "succeeded"
+        assert got["image_url"] == "/media/image/t2.png"
+        assert got["progress"] == 100