Initial Switch to V2. Completely Overhauled Backend, Frontend and General Structure.

backend/database/core.py

@@ -208,6 +208,7 @@ async def init_db():
         "ALTER TABLE crm_quotation_items ADD COLUMN description_en TEXT",
         "ALTER TABLE crm_quotation_items ADD COLUMN description_gr TEXT",
         "ALTER TABLE built_melodies ADD COLUMN is_builtin INTEGER NOT NULL DEFAULT 0",
+        "ALTER TABLE crm_quotations ADD COLUMN global_vat_percent REAL NOT NULL DEFAULT 24",
     ]
     for m in _migrations:
         try:

backend/database/models.py

@@ -0,0 +1,23 @@
+from database.postgres import Base  # noqa: F401 — Base must be imported for Alembic autogenerate
+
+# Import all ORM models here so Alembic autogenerate detects them.
+# Add each new model file as it is created.
+
+# --- Existing ---
+from notes.orm import Entry, EntryLink                              # noqa: F401
+from tickets.orm import SupportTicket, TicketMessage               # noqa: F401
+
+# --- Phase 0 ---
+from shared.orm import MigrationRun, AuditLog                      # noqa: F401
+from crm.orm import (                                              # noqa: F401
+    CrmProduct, CrmCustomer, CrmOrder,
+    CrmCommsLog, CrmMedia, CrmSyncState,
+    CrmQuotation, CrmQuotationItem,
+)
+from staff.orm import Staff                                         # noqa: F401
+from settings.orm import ConsoleSetting, PublicFeature             # noqa: F401
+from melodies.orm import MelodyDraft, BuiltMelody                  # noqa: F401
+from manufacturing.orm import MfgAuditLog                          # noqa: F401
+from devices.orm import DeviceAlert                                 # noqa: F401
+# NOTE: device_logs, commands, heartbeats are partitioned/raw-SQL tables —
+# they are NOT ORM models and are created via op.execute() in the migration.

backend/database/postgres.py

@@ -0,0 +1,16 @@
+from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
+from sqlalchemy.orm import DeclarativeBase
+from config import settings
+
+engine = create_async_engine(settings.database_url, pool_size=10, echo=False)
+AsyncSessionLocal = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+async def get_pg_session() -> AsyncSession:
+    """FastAPI dependency — yields a DB session and closes it after the request."""
+    async with AsyncSessionLocal() as session:
+        yield session