Fix Person creation issues and enhance V3 CRUD robustness.

- Added Pydantic validators to Person_Base to handle null values for given_name and allow_auth_key, ensuring database NOT NULL constraints are met.
- Updated api_crud_v3.py (POST and PATCH) to filter out virtual *_id_random fields from data payloads before database operations to prevent "Unknown column" errors.
- Updated GEMINI.md with session progress.

app/models/person_models.py

@@ -216,10 +216,22 @@ class Person_Base(BaseModel):
         log.debug(locals())
 
         if isinstance(v, int) and v > 0: return v
-        elif id_random := values.get('user_id_random'):
+        elif id_random := values.get('id_random'):
             return redis_lookup_id_random(record_id_random=id_random, table_name='user')
         return None
 
+    @validator('given_name', always=True)
+    def given_name_validator(cls, v):
+        if v is None:
+            return ""
+        return v
+
+    @validator('allow_auth_key', always=True)
+    def allow_auth_key_validator(cls, v):
+        if v is None:
+            return True
+        return v
+
     class Config:
         underscore_attrs_are_private = True
         allow_population_by_field_name = True