US05-05: Operate Uploads in the Browser (#75)

tests/e2e/_pipeline_harness.py

@@ -135,15 +135,27 @@ class Server:
         self.proc = None
 
 
-def start_worker(seeded: Seeded, *, fake_vision_log: Path) -> subprocess.Popen:
-    """Launch a real durable worker wired to the recording vision fake."""
+def start_worker(
+    seeded: Seeded,
+    *,
+    fake_vision_log: Path | None = None,
+    extra_env: dict[str, str] | None = None,
+) -> subprocess.Popen:
+    """Launch a real durable worker wired to the recording vision fake.
+
+    ``extra_env`` carries whatever else the job under test needs — the Immich
+    credentials and uploader path, for the upload lane.
+    """
+    extra = dict(extra_env or {})
+    if fake_vision_log is not None:
+        extra["PHOTO_PIPELINE_FAKE_VISION_LOG"] = str(fake_vision_log)
     return subprocess.Popen(
         [sys.executable, "-m", "photo_pipeline", "worker", "--id", "e2e-worker"],
         cwd=str(REPO),
         env=_env(
             seeded,
             free_port(),  # unused by the worker, but keeps the env shape uniform
-            extra={"PHOTO_PIPELINE_FAKE_VISION_LOG": str(fake_vision_log)},
+            extra=extra,
         ),
         stdout=subprocess.PIPE,
         stderr=subprocess.PIPE,