Add supplier and imporve inventory frontend

services/alert_processor/migrations/alembic.ini

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+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts
+script_location = .
+
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# sys.path path, will be prepended to sys.path if present.
+# defaults to the current working directory.
+prepend_sys_path = .
+
+# timezone to use when rendering the date within the migration file
+# as well as the filename.
+# If specified, requires the python-dateutil library that can be
+# installed by adding `alembic[tz]` to the pip requirements
+# string value is passed to dateutil.tz.gettz()
+# leave blank for localtime
+# timezone =
+
+# max length of characters to apply to the
+# "slug" field
+# truncate_slug_length = 40
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+# set to 'true' to allow .pyc and .pyo files without
+# a source .py file to be detected as revisions in the
+# versions/ directory
+# sourceless = false
+
+# version number format
+# Uses Alembic datetime format
+version_num_format = %%(year)d%%(month).2d%%(day).2d_%%(hour).2d%%(minute).2d_%%(second).2d
+
+# version name format
+version_path_separator = /
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+sqlalchemy.url = postgresql+asyncpg://alert_processor_user:alert_processor_pass123@alert-processor-db:5432/alert_processor_db
+
+
+[post_write_hooks]
+# post_write_hooks defines scripts or Python functions that are run
+# on newly generated revision scripts.  See the documentation for further
+# detail and examples
+
+# format using "black" - use the console_scripts runner, against the "black" entrypoint
+# hooks = black
+# black.type = console_scripts
+# black.entrypoint = black
+# black.options = -l 79 REVISION_SCRIPT_FILENAME
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

services/alert_processor/migrations/env.py

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+"""
+Alembic environment configuration for Alert Processor Service
+"""
+
+import asyncio
+from logging.config import fileConfig
+import os
+import sys
+from pathlib import Path
+
+from sqlalchemy import pool
+from sqlalchemy.engine import Connection
+from sqlalchemy.ext.asyncio import async_engine_from_config
+
+from alembic import context
+
+# Add the app directory to the path
+sys.path.insert(0, str(Path(__file__).parent.parent))
+
+# Import models to ensure they're registered
+from app.models.alerts import *  # noqa
+from shared.database.base import Base
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# Set the SQLAlchemy URL from environment variable if available
+database_url = os.getenv('ALERT_PROCESSOR_DATABASE_URL')
+if database_url:
+    config.set_main_option('sqlalchemy.url', database_url)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+target_metadata = Base.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+        compare_type=True,
+        compare_server_default=True,
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def do_run_migrations(connection: Connection) -> None:
+    """Run migrations with database connection"""
+    context.configure(
+        connection=connection,
+        target_metadata=target_metadata,
+        compare_type=True,
+        compare_server_default=True,
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+async def run_async_migrations() -> None:
+    """Run migrations in async mode"""
+    connectable = async_engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    async with connectable.connect() as connection:
+        await connection.run_sync(do_run_migrations)
+
+    await connectable.dispose()
+
+
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode."""
+    asyncio.run(run_async_migrations())
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

services/alert_processor/migrations/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade() -> None:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}

services/alert_processor/migrations/versions/001_initial_alerts_table.py

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+"""Initial alerts table
+
+Revision ID: 001
+Revises:
+Create Date: 2025-09-18 23:17:00
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '001'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # Create enum types
+    alert_status_enum = postgresql.ENUM('active', 'resolved', 'acknowledged', 'ignored', name='alertstatus')
+    alert_severity_enum = postgresql.ENUM('low', 'medium', 'high', 'urgent', name='alertseverity')
+
+    alert_status_enum.create(op.get_bind())
+    alert_severity_enum.create(op.get_bind())
+
+    # Create alerts table
+    op.create_table('alerts',
+        sa.Column('id', postgresql.UUID(as_uuid=True), primary_key=True),
+        sa.Column('tenant_id', postgresql.UUID(as_uuid=True), nullable=False),
+        sa.Column('item_type', sa.String(length=50), nullable=False),
+        sa.Column('alert_type', sa.String(length=100), nullable=False),
+        sa.Column('severity', alert_severity_enum, nullable=False),
+        sa.Column('status', alert_status_enum, nullable=False),
+        sa.Column('service', sa.String(length=100), nullable=False),
+        sa.Column('title', sa.String(length=255), nullable=False),
+        sa.Column('message', sa.Text(), nullable=False),
+        sa.Column('actions', sa.JSON(), nullable=True),
+        sa.Column('metadata', sa.JSON(), nullable=True),
+        sa.Column('created_at', sa.DateTime(), nullable=False),
+        sa.Column('updated_at', sa.DateTime(), nullable=False),
+        sa.Column('resolved_at', sa.DateTime(), nullable=True),
+    )
+
+    # Create indexes
+    op.create_index('ix_alerts_tenant_id', 'alerts', ['tenant_id'])
+    op.create_index('ix_alerts_severity', 'alerts', ['severity'])
+    op.create_index('ix_alerts_status', 'alerts', ['status'])
+    op.create_index('ix_alerts_created_at', 'alerts', ['created_at'])
+
+
+def downgrade() -> None:
+    # Drop indexes
+    op.drop_index('ix_alerts_created_at', 'alerts')
+    op.drop_index('ix_alerts_status', 'alerts')
+    op.drop_index('ix_alerts_severity', 'alerts')
+    op.drop_index('ix_alerts_tenant_id', 'alerts')
+
+    # Drop table
+    op.drop_table('alerts')
+
+    # Drop enum types
+    op.execute('DROP TYPE alertseverity')
+    op.execute('DROP TYPE alertstatus')