feat(immich): write-back (upsert_tag, tag_assets) + _pipeline tag conventions

shared/tests/test_immich_client.py

@@ -48,3 +48,16 @@ def test_download_thumbnail(httpserver):
         b"\xff\xd8\xffjpegbytes", content_type="image/jpeg")
     c = ImmichClient(httpserver.url_for(""), "k")
     assert c.download_thumbnail("a").startswith(b"\xff\xd8\xff")
+
+
+def test_upsert_tag_returns_id_by_value(httpserver):
+    httpserver.expect_request("/api/tags", method="PUT").respond_with_json(
+        [{"id": "p1", "name": "non-trip", "value": "_pipeline/non-trip"}])
+    c = ImmichClient(httpserver.url_for(""), "k")
+    assert c.upsert_tag("_pipeline/non-trip") == "p1"
+
+
+def test_tag_assets_posts_ids(httpserver):
+    httpserver.expect_request("/api/tags/p1/assets", method="PUT").respond_with_json({"ok": True})
+    c = ImmichClient(httpserver.url_for(""), "k")
+    c.tag_assets("p1", ["a", "b"])  # should not raise

shared/tests/test_pipeline.py

@@ -0,0 +1,15 @@
+from photoflow.immich import pipeline
+
+
+def test_constants_and_helpers():
+    assert pipeline.ROOT == "_pipeline"
+    assert pipeline.PROCESSED == "_pipeline/processed"
+    assert pipeline.NON_TRIP == "_pipeline/non-trip"
+    assert pipeline.ai_rating(4) == "_pipeline/ai-rating/4"
+
+
+def test_is_pipeline_tag():
+    assert pipeline.is_pipeline_tag("_pipeline/processed") is True
+    assert pipeline.is_pipeline_tag("_pipeline") is True
+    assert pipeline.is_pipeline_tag("Italy 2019") is False
+    assert pipeline.is_pipeline_tag("Kiev") is False