From ed367de689929f19ce4521f6bbdc19073f7c7eae Mon Sep 17 00:00:00 2001
From: CI Bot <ci-bot@xiaoxiajianji.com>
Date: Tue, 14 Jul 2026 09:53:20 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=96=B0=E5=A2=9Etransition=5Fduration?=
 =?UTF-8?q?=E5=AD=97=E6=AE=B5=E7=9A=84alembic=E8=BF=81=E7=A7=BB=20+=20?=
 =?UTF-8?q?=E6=9B=B4=E6=96=B0snapshot?=
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---
 .../versions/039_add_transition_duration.py   | 33 +++++++++++++++++++
 docs/schema-metadata-snapshot.json            |  8 +++++
 2 files changed, 41 insertions(+)
 create mode 100644 alembic/versions/039_add_transition_duration.py

diff --git a/alembic/versions/039_add_transition_duration.py b/alembic/versions/039_add_transition_duration.py
new file mode 100644
index 000000000..06c195ec4
--- /dev/null
+++ b/alembic/versions/039_add_transition_duration.py
@@ -0,0 +1,33 @@
+"""add transition_duration to edit_plan_clips
+
+Revision ID: 039_transition_duration
+Revises: 038_error_retry
+Create Date: 2026-07-14 09:00:00.000000
+"""
+
+from __future__ import annotations
+
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "039_transition_duration"
+down_revision = "038_error_retry"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "edit_plan_clips",
+        sa.Column(
+            "transition_duration",
+            sa.Float(),
+            nullable=False,
+            server_default="0.0",
+        ),
+    )
+
+
+def downgrade() -> None:
+    op.drop_column("edit_plan_clips", "transition_duration")
diff --git a/docs/schema-metadata-snapshot.json b/docs/schema-metadata-snapshot.json
index 45a76d430..81b20bec0 100644
--- a/docs/schema-metadata-snapshot.json
+++ b/docs/schema-metadata-snapshot.json
@@ -858,6 +858,14 @@
           "type": "VARCHAR(20)",
           "unique": false
         },
+        {
+          "index": false,
+          "name": "transition_duration",
+          "nullable": false,
+          "primary_key": false,
+          "type": "FLOAT",
+          "unique": false
+        },
         {
           "index": true,
           "name": "status",