fix(#1894): remove conflicting 076_merge_title_libs migration (renamed to 077)

alembic/versions/076_merge_title_libs.py

@@ -1,67 +0,0 @@
-"""#1894: merge title_libraries into scripts — add title_text/title_category/title_config
-
-Revision ID: 076_merge_title_libs
-Revises: 075_add_sentence_timings
-Create Date: 2026-09-15
-"""
-
-import sqlalchemy as sa
-
-from alembic import context, op
-
-revision = "076_merge_title_libs"
-down_revision = "075_add_sentence_timings"
-branch_labels = None
-depends_on = None
-
-
-def upgrade() -> None:
-    with op.batch_alter_table("scripts") as batch:
-        batch.add_column(
-            sa.Column("title_text", sa.String(500), nullable=False, server_default=""),
-        )
-        batch.add_column(
-            sa.Column("title_category", sa.String(50), nullable=False, server_default=""),
-        )
-        batch.add_column(
-            sa.Column("title_config", sa.JSON, nullable=False, server_default="{}"),
-        )
-
-    if context.get_context().dialect.name == "postgresql":
-        conn = op.get_bind()
-        result = conn.execute(sa.text("SELECT to_regclass('public.title_libraries')"))
-        if result.scalar() is not None:
-            conn.execute(sa.text("""
-                    INSERT INTO scripts
-                        (id, user_id, title, content, segments, tags,
-                         title_text, title_category, title_config,
-                         created_at, updated_at)
-                    SELECT
-                        gen_random_uuid()::TEXT,
-                        tl.user_id,
-                        COALESCE(tl.name, '迁移标题'),
-                        COALESCE(tl.text, ''),
-                        '[]'::JSONB,
-                        COALESCE(tl.tags, '[]'::JSONB),
-                        COALESCE(tl.text, ''),
-                        COALESCE(tl.category, ''),
-                        COALESCE(tl."metadata", '{}'::JSONB),
-                        tl.created_at,
-                        tl.updated_at
-                    FROM title_libraries tl
-                    WHERE tl.is_active = true
-                      AND NOT EXISTS (
-                        SELECT 1 FROM scripts s
-                        WHERE s.user_id = tl.user_id
-                          AND s.title_text = COALESCE(tl.text, '')
-                          AND s.title_category = COALESCE(tl.category, '')
-                          AND s.created_at = tl.created_at
-                      )
-                    """))
-
-
-def downgrade() -> None:
-    with op.batch_alter_table("scripts") as batch:
-        batch.drop_column("title_config")
-        batch.drop_column("title_category")
-        batch.drop_column("title_text")