feat: initialize project backend structure and document system specifications across all modules

docs/specs/system_management/application_parameter.md

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+---
+title: "Application Parameter"
+type: OpenSpec
+status: Draft
+domain: System Management
+---
+
+# Application Parameter
+
+## Requirement Definition
+The "Application Parameters" module provides a means to maintain a set of application control parameters that define system behavior in relation to user authentication and display formats. This includes password policy parameters, session time-outs, and system display formats.
+
+## Process Flow
+
+### Trigger
+- User accesses the Application Parameters module under System Management.
+
+### Pre-Conditions
+- Users must have access rights to the Application Parameters module.
+- Depending on access rights, users can view, add, or edit parameters.
+
+## Business Rules
+- All parameters are pre-defined by the system with default values.
+- Users with appropriate rights can modify these parameter values.
+
+### Data Schema
+
+#### Access Control Parameters
+| Field Name | Description | Logic Type | Constraints / Rules |
+|---|---|---|---|
+| Same User Cannot Approve | Allow/Disallow the user to approve/reject the record they created. | Boolean | Default: False |
+| Same User Cannot Modify Own Profile | Allow/Disallow the user to change their profile in the system. | Boolean | Default: False |
+| User Session Inactivity Time-out | The user session ends if there are no user actions for N minutes. Alert message required on timeout. | Integer | Default: 30 |
+| Maximum Failed Forgotten Password Attempts | User ID is blocked from further log-ins and profile suspended until reset if invalid passwords exceed this limit consecutively. | Integer | Default: 5 |
+| Inactivate User Id after N days of no log-ins | User status is automatically set to inactive until reset if not logged in for the specified number of days. | Integer | Default: 30 |
+| Remind User to Change password N Days Before | System notifies the user to change the password N days before expiration upon login. | Integer | Default: 5 |
+| Password expiration (days) | Number of days after which a new password expires. Account is locked post-expiration until admin unlocks. | Integer | Default: 180 |
+| Disallow re-use of the last N passwords | System restricts re-using the last N passwords to ensure regular updates. | Integer | Default: 2 |
+| Maximum password length | Maximum length of a new password. | Integer | Default: 50 |
+| Minimum password length | Minimum length of a new password. | Integer | Default: 8 |
+| Password must at least N numeric digit | Minimum numeric digits required in a password. | Integer | Default: 1 |
+| Password must have at least N upper case alphabet | Minimum uppercase letters required in a password. | Integer | Default: 1 |
+| Password must have at least N lower case alphabet | Minimum lowercase letters required in a password. | Integer | Default: 1 |
+| Password must have at least N special character | Minimum special characters required in a password. | Integer | Default: 1 |
+
+#### Display Setting Parameters
+| Field Name | Description | Logic Type | Constraints / Rules |
+|---|---|---|---|
+| Date format | Determines how dates are displayed throughout the system. | String | Enum: DD/MM/YYYY, DD-MM-YYYY, DDMMYYYY, MM/DD/YYYY, MM-DD-YYYY, YYYY/MM/DD, YYYY-MM-DD, DD,MM,YYYY. Default: DD/MM/YYYY |
+| Time format | Determines how times are displayed throughout the system. | String | Enum: HH:mm:ss, HHmmss, HH,mm,ss, HH;mm;ss, HH/mm/ss. Default: HH:mm:ss |
+| Amount display format | Determines how amounts are displayed throughout the system. | String | Enum: American (999,999.99), European (999.999,99) |
+
+#### Functionality Parameters
+| Field Name | Description | Logic Type | Constraints / Rules |
+|---|---|---|---|
+| Processing Date | The date on which a transaction is processed. Used for testing only. If empty, the system date is used. | Date | Default: Empty |
+| Allow Cross Function Update | Allows or disallows cross-updates between data created by different users. Applies to Customer, Account, and Card data. | Boolean | Default: True |
+
+## Post-Conditions
+- The application uses the updated parameter configuration.
+- Application parameter management is maintainable and scalable with other systems.
+
+## Exception Flow
+No exceptions defined.