Missing Model Imports (Fixed):

  1. ams_history - AMS sensor history table
  2. pending_upload - Virtual printer pending uploads table
  3. slot_preset - AMS slot preset mappings table

  Missing Column Migrations (Added earlier in session):
  1. print_queue.target_model - Model-based queue assignment
  2. print_queue.required_filament_types - Filament type requirements
  3. print_queue.waiting_reason - Why job is waiting
  4. printers.nozzle_count - Dual-extruder detection
  5. printers.print_hours_offset - Baseline hours adjustment
  6. notification_providers.on_queue_job_added - Queue job added notification
  7. notification_providers.on_queue_job_assigned - Queue job assigned notification
  8. notification_providers.on_queue_job_started - Queue job started notification
  9. notification_providers.on_queue_job_waiting - Queue job waiting notification
  10. notification_providers.on_queue_job_skipped - Queue job skipped notification
  11. notification_providers.on_queue_job_failed - Queue job failed notification
  12. notification_providers.on_queue_completed - Queue completed notification

  Tables verified as OK (no migrations needed):
  - api_keys - No new columns since v0.1.5
  - external_links - No new columns since v0.1.5
  - library_files/folders - New in v0.1.6, created fresh
  - github_backup_config/logs - New in v0.1.6, created fresh
  - project_bom_items - New in v0.1.6, created fresh
  - groups/user_groups - New in v0.1.6, created fresh

backend/app/core/database.py

@@ -34,6 +34,7 @@ async def get_db() -> AsyncSession:
 async def init_db():
     # Import models to register them with SQLAlchemy
     from backend.app.models import (  # noqa: F401
+        ams_history,
         api_key,
         archive,
         external_link,
@@ -45,11 +46,13 @@ async def init_db():
         maintenance,
         notification,
         notification_template,
+        pending_upload,
         print_queue,
         printer,
         project,
         project_bom,
         settings,
+        slot_preset,
         smart_plug,
         user,
     )
@@ -959,6 +962,38 @@ async def run_migrations(conn):
     except Exception:
         pass
 
+    # Migration: Add queue notification event columns to notification_providers
+    try:
+        await conn.execute(text("ALTER TABLE notification_providers ADD COLUMN on_queue_job_added BOOLEAN DEFAULT 0"))
+    except Exception:
+        pass
+    try:
+        await conn.execute(
+            text("ALTER TABLE notification_providers ADD COLUMN on_queue_job_assigned BOOLEAN DEFAULT 0")
+        )
+    except Exception:
+        pass
+    try:
+        await conn.execute(text("ALTER TABLE notification_providers ADD COLUMN on_queue_job_started BOOLEAN DEFAULT 0"))
+    except Exception:
+        pass
+    try:
+        await conn.execute(text("ALTER TABLE notification_providers ADD COLUMN on_queue_job_waiting BOOLEAN DEFAULT 1"))
+    except Exception:
+        pass
+    try:
+        await conn.execute(text("ALTER TABLE notification_providers ADD COLUMN on_queue_job_skipped BOOLEAN DEFAULT 1"))
+    except Exception:
+        pass
+    try:
+        await conn.execute(text("ALTER TABLE notification_providers ADD COLUMN on_queue_job_failed BOOLEAN DEFAULT 1"))
+    except Exception:
+        pass
+    try:
+        await conn.execute(text("ALTER TABLE notification_providers ADD COLUMN on_queue_completed BOOLEAN DEFAULT 0"))
+    except Exception:
+        pass
+
 
 async def seed_notification_templates():
     """Seed default notification templates if they don't exist."""