Reorganize project structure

- Move development and test files to dev/ directory
- Update .gitignore to exclude development files
- Update paths in configuration files
- Add new audio-player.js for frontend

alembic/versions/8be4811023d8_add_display_name_to_user.py

@@ -1,49 +0,0 @@
-"""add_display_name_to_user
-
-Revision ID: 8be4811023d8
-Revises: 0df481ee920b
-Create Date: 2025-07-19 19:46:01.129412
-
-"""
-from typing import Sequence, Union
-
-from alembic import op
-import sqlalchemy as sa
-import sqlmodel
-
-
-# revision identifiers, used by Alembic.
-revision: str = '8be4811023d8'
-down_revision: Union[str, Sequence[str], None] = '0df481ee920b'
-branch_labels: Union[str, Sequence[str], None] = None
-depends_on: Union[str, Sequence[str], None] = None
-
-
-def upgrade() -> None:
-    """Upgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_constraint(op.f('dbsession_user_id_fkey'), 'dbsession', type_='foreignkey')
-    op.create_foreign_key(None, 'dbsession', 'user', ['user_id'], ['username'])
-    op.alter_column('publicstream', 'storage_bytes',
-               existing_type=sa.INTEGER(),
-               nullable=False,
-               existing_server_default=sa.text('0'))
-    op.create_index(op.f('ix_publicstream_username'), 'publicstream', ['username'], unique=False)
-    op.drop_column('publicstream', 'size')
-    op.add_column('user', sa.Column('display_name', sqlmodel.sql.sqltypes.AutoString(), nullable=True))
-    # ### end Alembic commands ###
-
-
-def downgrade() -> None:
-    """Downgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_column('user', 'display_name')
-    op.add_column('publicstream', sa.Column('size', sa.INTEGER(), autoincrement=False, nullable=False))
-    op.drop_index(op.f('ix_publicstream_username'), table_name='publicstream')
-    op.alter_column('publicstream', 'storage_bytes',
-               existing_type=sa.INTEGER(),
-               nullable=True,
-               existing_server_default=sa.text('0'))
-    op.drop_constraint(None, 'dbsession', type_='foreignkey')
-    op.create_foreign_key(op.f('dbsession_user_id_fkey'), 'dbsession', 'user', ['user_id'], ['username'], ondelete='CASCADE')
-    # ### end Alembic commands ###