Secure Journal Engine Specification

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Secure Journal Engine

Overview

Secure Journal Engine is a modular open source specification for building private, secure, and extensible personal journaling systems.

The specification defines a foundational architecture for capturing personal reflections, preserving journal history, organizing entries, searching personal memories, and supporting multiple forms of journal content. Text, voice, multimedia, timestamps, tags, categories, reflection prompts, personal themes, and long-term journal history are provided through the core architecture.

Secure Journal Engine is designed around privacy, user ownership, modularity, portability, and long-term data preservation. Implementations can provide the core journaling functionality independently while extending the system through optional plugin modules.

The specification is intended to support local-first, self-hosted, desktop, mobile, web, and other journaling environments without requiring dependence on a specific vendor, platform, storage provider, or artificial intelligence service.

Goals

Secure Journal Engine is designed to:

Provide a consistent foundation for personal journaling systems.
Protect private reflections and personal journal data.
Support multiple forms of journal content.
Preserve journal history over long periods of time.
Make journal content searchable and organized.
Separate essential functionality from optional capabilities.
Support modular plugin development.
Encourage local-first and self-hosted deployments.
Promote data portability and interoperability.
Allow implementations to evolve without requiring changes to the core architecture.
Maintain human control over personal memories and reflections.

Core Architecture

Secure Journal Engine separates its functionality into required core modules and optional plugin modules.

Core Modules

The core modules establish the foundational capabilities of the specification.

Journal Entry Module

Provides the fundamental journal-entry model.

Features include:

Text journaling
Private reflections
Timestamped entries
Entry creation
Entry editing
Entry deletion
Draft entries
Completed entries
Entry identifiers
Entry metadata
Journal history
Entry relationships

Media Journal Module

Provides support for multimedia journal entries.

Features include:

Image attachments
Audio attachments
Video attachments
Document attachments
Multiple media files per entry
Media metadata
Media-to-entry relationships
Media storage references
Media integrity validation

Voice Journal Module

Provides voice-based journal capture.

Features include:

Voice journaling
Audio recording
Audio storage
Recording timestamps
Recording metadata
Playback support
Optional transcription interfaces
Voice-to-entry relationships

Journal Organization Module

Provides mechanisms for organizing journal history.

Features include:

Tags
Categories
Personal themes
Entry collections
Entry filtering
Entry sorting
Custom organizational structures
Tag management
Category management

Journal Search & Index Module

Provides structured retrieval of journal content.

Features include:

Full-text search
Metadata search
Tag search
Category search
Date-based search
Media search
Search indexing
Search filters
Search result ranking
Historical entry retrieval

Reflection Prompt Module

Provides structured reflection prompts.

Features include:

Reflection prompts
Prompt categories
Custom prompts
Prompt history
Prompt-to-entry relationships
Prompt completion tracking
User-controlled prompt frequency

Journal History Module

Provides long-term access to journal records.

Features include:

Chronological journal history
Historical entry retrieval
Entry versioning
Creation timestamps
Modification timestamps
Historical metadata
Data migration support
Journal export
Long-term archival support

Secure Storage Module

Provides the security foundation for journal data.

Features include:

Private journal storage
Access controls
Authentication integration
Authorization controls
Data integrity validation
Secure media references
Encryption interfaces
Secure deletion interfaces
Backup integration
Recovery mechanisms

Optional Plugin Modules

Optional plugins extend Secure Journal Engine without requiring additional functionality to be included in the core implementation.

AI Reflection Plugin

Provides optional AI-assisted reflection capabilities.

Potential features include:

AI reflection assistance
Entry summarization
Pattern discovery
Reflection questions
Writing assistance
Theme identification
Historical reflection
User-controlled AI analysis

AI functionality must remain subordinate to user control and should not modify journal content without explicit authorization.

Sentiment & Emotion Plugin

Provides optional analysis of emotional content.

Potential features include:

Sentiment analysis
Emotion classification
Emotional trend tracking
Historical emotional comparisons
User-defined emotional categories

Memory Graph Plugin

Creates relationships between journal entries, themes, events, and memories.

Potential features include:

Memory graphs
Related-entry discovery
Event relationships
Theme relationships
Recurring-memory detection
Timeline visualization

Journal Analytics Plugin

Provides optional long-term journal analytics.

Potential features include:

Journaling frequency
Writing patterns
Theme frequency
Reflection trends
Entry statistics
Personal timeline analytics

Encrypted Journal Plugin

Provides enhanced encryption functionality.

Potential features include:

End-to-end encryption
Client-side encryption
Encrypted backups
Key management
Recovery keys
Encrypted media storage

Import & Migration Plugin

Provides interoperability with other journaling systems.

Potential features include:

Journal imports
Journal exports
Format conversion
Legacy journal migration
Bulk entry migration
Metadata preservation
Media migration

Calendar & Timeline Plugin

Connects journal entries with dates and events.

Potential features include:

Calendar integration
Timeline views
Daily journal views
Weekly journal views
Monthly journal views
Annual journal views
Event-linked entries

Reminder Plugin

Provides optional journaling reminders.

Potential features include:

Journaling reminders
Custom schedules
Recurring reminders
Missed-entry notifications
Prompt-based reminders
User-defined reminder rules

Multimedia Capture Plugin

Expands journal capture capabilities.

Potential features include:

Camera capture
Screen capture
Location metadata
Document scanning
Automatic media organization
Media galleries

Backup & Archive Plugin

Provides advanced long-term preservation.

Potential features include:

Automated backups
Scheduled archival
Multiple backup destinations
Backup verification
Archive snapshots
Restoration workflows
Portable journal archives

Collaboration & Sharing Plugin

Provides controlled journal sharing outside the private core.

Potential features include:

Shared journal entries
Temporary access
Read-only sharing
Expiring access
Selective entry sharing
Shared collections
Access revocation

Sharing functionality must never override the user’s privacy settings or expose private entries without explicit authorization.

Plugin Requirements

Optional plugins should:

Use clearly defined interfaces.
Operate independently from unrelated plugins.
Avoid unnecessary modification of core data structures.
Maintain compatibility with the core specification.
Respect core privacy and security requirements.
Allow users to enable and disable functionality.
Clearly identify the journal data they access.
Preserve user ownership of journal data.
Provide graceful failure when unavailable.
Avoid mandatory dependencies on proprietary services.
Support data portability where applicable.
Document external services and dependencies.
Follow the security requirements of the core specification.

Plugins should receive only the minimum data necessary to perform their intended functions.

Privacy Requirements

Journal data should be treated as private personal information by default.

Implementations should provide mechanisms for:

Authentication
Authorization
Access control
Encryption
Secure storage
Data export
Data deletion
Backup and restoration
Session management
Plugin permissions
Third-party service permissions

Implementations should avoid unnecessary collection, transmission, retention, or processing of journal content.

Optional services, including AI services, should not receive journal content unless the user explicitly enables the relevant functionality.

Security Requirements

Implementations should incorporate security controls appropriate for sensitive personal journal data.

Security mechanisms may include:

Encryption at rest
Encryption in transit
Secure authentication
Role-based or attribute-based access controls
Permission management
Secure session handling
Integrity validation
Audit logging
Secure backups
Recovery mechanisms
Secure deletion
Plugin isolation

Security-sensitive functionality should fail safely rather than exposing journal content.

Data Portability

Secure Journal Engine implementations should support the preservation and portability of user-owned journal data.

Where practical, implementations should support:

Structured journal exports
Media exports
Metadata preservation
Timestamp preservation
Tag preservation
Category preservation
Entry relationships
Version history
Import and migration workflows

A user should not be required to remain with a particular implementation solely to retain access to their journal history.

Long-Term Preservation

Secure Journal Engine is designed to support long-term personal journal preservation.

Implementations should consider:

Stable identifiers
Portable data formats
Versioned schemas
Migration procedures
Backup verification
Archive creation
Metadata preservation
Media preservation
Historical entry access

Changes to an implementation should not unnecessarily invalidate previously created journal records.

Human Control

The user remains the primary authority over their journal.

Implementations and plugins should:

Require user authorization for sensitive operations.
Clearly communicate automated processing.
Avoid silently modifying journal entries.
Allow users to review generated content.
Provide mechanisms to disable optional automation.
Preserve original journal content when generating derived information.
Allow users to delete generated data.
Respect user-defined privacy boundaries.

AI Integration

AI functionality is optional and must remain outside the minimum journaling core.

AI plugins may analyze journal content only when authorized by the user.

AI-generated information should be clearly distinguishable from original journal content.

Implementations should preserve:

Original entries
Original timestamps
Original media
User-created tags
User-created categories
User-created reflections

AI-generated summaries, classifications, themes, or interpretations should not overwrite original journal records.

Interoperability

Secure Journal Engine should remain implementation-neutral.

The specification should not require:

A specific programming language
A specific database
A specific cloud provider
A specific operating system
A specific AI provider
A proprietary storage system
A specific user interface

Implementations may use different technologies while remaining compatible with the conceptual architecture defined by the specification.

Example Deployment Models

Secure Journal Engine may support multiple deployment models, including:

Local desktop applications
Mobile applications
Self-hosted web applications
Private server deployments
Offline-first applications
Hybrid local and remote systems
Personal cloud deployments
Encrypted archival systems

The deployment model should not change the fundamental privacy and user-ownership principles of the specification.

Conformance

An implementation may claim Secure Journal Engine compatibility when it:

Implements the required core architecture.
Supports the core journal-entry model.
Provides mechanisms for journal organization and retrieval.
Supports long-term journal history.
Implements appropriate privacy and security controls.
Maintains user control over journal data.
Treats optional plugins as modular extensions.
Does not require optional plugins for basic journaling functionality.
Documents deviations from the specification.
Preserves compatibility with the specification’s licensing and attribution requirements.

Optional plugins may provide additional functionality without being required for core conformance.

Future Extensions

The modular architecture allows future extensions without requiring changes to the fundamental specification.

Potential future modules may include:

Journaling workflows
Personal knowledge management
Life-event tracking
Dream journaling
Goal journaling
Gratitude journaling
Creative writing journals
Research journals
Family history journals
Digital legacy management
Personal archive management
Advanced privacy controls
Federated journal synchronization

Future extensions should remain modular and should not introduce unnecessary dependencies into the core.

Contributing

Contributions are welcome.

Contributors should:

Follow the AGPL-3.0+ license requirements.
Preserve required attribution.
Document significant architectural changes.
Maintain compatibility with the modular architecture.
Avoid introducing unnecessary proprietary dependencies.
Update documentation when adding or modifying modules.
Update notice.md when contributor attribution changes.
Clearly identify new core modules and optional plugins.

All contributions are subject to the project’s licensing and notice requirements.

Specification Branding License (SBL)

Standard

Fully AGPL-3.0+ compliant system
Copyleft enforced for network deployments
Required attribution:
- Roxanne Ardary
- https://www.roxanneardary.com/

Optional

Specification Branding License (SBL)
- Attribution-free commercial deployment
- Pricing based on scale, usage, and deployment scope
- https://roxanneardary.com/secure-journal-engine/

License & Notice Requirements

Secure Journal Engine is released under the GNU Affero General Public License v3.0 or later (AGPL-3.0+).

By contributing to any Open Arsenal project, you agree that your contributions will also be released under this license.

Please note the following:

All contributions must comply with the AGPL-3.0+ terms.
Under Section 7 of the license, all redistributions, forks, and derivative works must preserve attribution to: Roxanne Ardary and roxanneardary.com.
Secure Journal Engine specifications are free to use with attribution. A Specification Branding License can be negotiated upon request.
The project’s notice.md file tracks attribution requirements and contributor acknowledgments. Any update that adds new contributors or modifies attribution should also update notice.md.
When submitting a pull request, ensure that any new files maintain the attribution headers where applicable.
Network-deployed versions of this software must also remain fully AGPL-3.0+ compliant, including exposure of source code modifications when applicable under the license.

For full legal details, please refer to the AGPL-3.0+ license and the project’s notice.md file.

Notice – HerOneiros Specification

Attribution Requirement: Under Section 7 of the AGPL 3.0+ license, all redistributions, forks, and derivative works, including network-deployed versions of this project, must provide attribution to Roxanne Ardary and roxanneardary.com.

Contributors

This file tracks contributors and their specific contributions to the project.

Roxanne Ardary, roxanneardary.com – July 8, 2026
Created the repository for HerOneiros Specification. Designed the modular open source specification framework for AI-powered, women-centered inner awareness systems, including journaling, emotional intelligence, dream intelligence, cyclical awareness, communication assistance, privacy, and future AI expansion modules.
[Add other contributors here] – [Date]
[Describe contribution in one sentence]

License – HerOneiros Specification

This repository is licensed under the GNU Affero General Public License v3.0 or later (AGPL-3.0+).

Key Points:

You are free to use, modify, and distribute the specification.
All redistributions, forks, derivative works, and network-deployed versions must also be licensed under AGPL-3.0+ and provide attribution to Roxanne Ardary and roxanneardary.com as required under Section 7 of the license.
The specification is provided “as is,” without warranty of any kind.

For the full license text, see GNU AGPL-3.0 License.