feat: add ImageFind application and release pipelines

tests/test_inference.py

@@ -0,0 +1,41 @@
+from __future__ import annotations
+
+import time
+from pathlib import Path
+
+from imagefind.accelerator import AcceleratorService
+from imagefind.config import Settings
+from imagefind.inference import InferenceSupervisor, IsolatedEmbeddingService
+
+
+def test_hash_embeddings_remain_in_process_without_starting_worker(tmp_path: Path):
+    settings = Settings(data_dir=tmp_path, embedding_backend="hash")
+    settings.prepare()
+    accelerator = AcceleratorService(settings)
+    supervisor = InferenceSupervisor(settings, accelerator, idle_seconds=5)
+    embeddings = IsolatedEmbeddingService(settings, accelerator, supervisor)
+
+    vector = embeddings.encode_text("本地测试")
+    assert len(vector) == 512
+    assert supervisor.status()["running"] is False
+    supervisor.close()
+
+
+def test_inference_worker_is_lazy_and_exits_after_idle_window(tmp_path: Path):
+    settings = Settings(data_dir=tmp_path, embedding_backend="auto")
+    settings.prepare()
+    accelerator = AcceleratorService(settings)
+    supervisor = InferenceSupervisor(settings, accelerator, idle_seconds=5)
+    try:
+        assert supervisor.status()["running"] is False
+        assert supervisor.call("reset", component="visual") is None
+        started = supervisor.status()
+        assert started["running"] is True
+        assert started["pid"]
+
+        deadline = time.monotonic() + 8
+        while supervisor.status()["running"] and time.monotonic() < deadline:
+            time.sleep(0.1)
+        assert supervisor.status()["running"] is False
+    finally:
+        supervisor.close()