Fix duplicate enum type creation in initial migration

Postgres ENUM columns auto-create their type as a side effect of the
first CREATE TABLE that uses them; since the migration also explicitly
pre-creates all 7 enum types up front (to group and control that DDL
alongside their explicit drop in downgrade()), the two collided with
"type already exists" on the first table past the first enum's owner.
create_type=False on each ENUM tells SQLAlchemy the migration manages
that DDL itself.

Found by running the migration against a real PostgreSQL for the first
time (docker compose up on a devbox) — this repo had no Docker/Postgres
available to test against when the migration was originally written.

Co-Authored-By: Claude Sonnet 5 <[email protected]>

migrations/versions/0001_initial_schema.py

@@ -44,6 +44,11 @@ def _timestamps() -> list[sa.Column]:
     ]
 
 
+# create_type=False on every enum below: their CREATE TYPE / DROP TYPE DDL
+# is issued explicitly in upgrade()/downgrade() instead. Without this,
+# SQLAlchemy also tries to auto-create each type as a side effect of the
+# first `op.create_table()` that uses a column of that type, colliding with
+# the explicit `enum_type.create(...)` call and raising DuplicateObject.
 MOVIE_STATUS = postgresql.ENUM(
     "rumored",
     "planned",
@@ -52,6 +57,7 @@ MOVIE_STATUS = postgresql.ENUM(
     "released",
     "canceled",
     name="moviestatus_enum",
+    create_type=False,
 )
 SERIES_STATUS = postgresql.ENUM(
     "planned",
@@ -61,23 +67,29 @@ SERIES_STATUS = postgresql.ENUM(
     "ended",
     "canceled",
     name="seriesstatus_enum",
+    create_type=False,
 )
 ARTWORK_TYPE = postgresql.ENUM(
     "poster", "backdrop", "logo", "profile", "still", "banner", "thumbnail",
     name="artworktype_enum",
+    create_type=False,
 )
 VIDEO_TYPE = postgresql.ENUM(
     "trailer", "teaser", "clip", "featurette", "behind_the_scenes", "interview", "other",
     name="videotype_enum",
+    create_type=False,
 )
 COMPANY_TYPE = postgresql.ENUM(
-    "production_company", "network", "studio", "distributor", name="companytype_enum"
+    "production_company", "network", "studio", "distributor", name="companytype_enum",
+    create_type=False,
 )
 INGESTION_JOB_STATUS = postgresql.ENUM(
-    "pending", "running", "succeeded", "failed", "retrying", name="ingestionjobstatus_enum"
+    "pending", "running", "succeeded", "failed", "retrying", name="ingestionjobstatus_enum",
+    create_type=False,
 )
 MATCH_CONFIDENCE = postgresql.ENUM(
-    "exact", "high", "medium", "low", "ambiguous", "new", name="matchconfidence_enum"
+    "exact", "high", "medium", "low", "ambiguous", "new", name="matchconfidence_enum",
+    create_type=False,
 )