fix(knowledge): improve upload workflow and seed manufacturers

backend/hermes/app/knowledge_seed.py

@@ -0,0 +1,56 @@
+import logging
+
+from sqlalchemy.orm import Session
+
+from app.models.knowledge import KnowledgeManufacturer
+from app.repositories.knowledge_repository import KnowledgeRepository
+from app.services.knowledge_service import unique_slug
+
+logger = logging.getLogger(__name__)
+
+STANDARD_MANUFACTURERS = [
+    "Stabo",
+    "President",
+    "Albrecht",
+    "Marconi",
+    "Rohde & Schwarz",
+    "HP",
+    "CRT",
+    "Alinco",
+    "Motorola",
+    "Team",
+]
+
+
+def seed_knowledge_manufacturers(db: Session) -> None:
+    created = 0
+
+    for name in STANDARD_MANUFACTURERS:
+        manufacturer = KnowledgeRepository.get_manufacturer_by_name(db, name)
+        if manufacturer is not None:
+            changed = False
+            if not manufacturer.slug:
+                manufacturer.slug = unique_slug(
+                    db,
+                    manufacturer.name,
+                    lambda session, value: KnowledgeRepository.get_manufacturer_by_slug(
+                        session,
+                        value,
+                        manufacturer.id,
+                    ) is not None,
+                )
+                changed = True
+            if changed:
+                db.add(manufacturer)
+            continue
+
+        slug = unique_slug(
+            db,
+            name,
+            lambda session, value: KnowledgeRepository.get_manufacturer_by_slug(session, value) is not None,
+        )
+        db.add(KnowledgeManufacturer(name=name, slug=slug, website="", notes=""))
+        created += 1
+
+    db.commit()
+    logger.info("knowledge.manufacturers.seeded", extra={"created": created})