Initial commit: Custom Start Page application with authentication and DynamoDB storage

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# Requirements Document: Custom Start Page Application
## Introduction
The Custom Start Page Application is a personalized dashboard web application that allows users to create and manage custom start pages with configurable widgets, multiple pages, and customizable search functionality. The application is modeled after start.me and provides users with a centralized hub for their frequently accessed links, notes, weather information, and other useful widgets.
## Glossary
- **User**: An authenticated individual who creates and manages their custom start pages
- **Dashboard**: The main application interface containing pages and widgets
- **Page**: A tab-based container that holds multiple widgets (similar to browser tabs)
- **Widget**: A modular component that displays specific content (bookmarks, notes, weather, etc.)
- **Bookmark_Widget**: A widget type that displays and organizes collections of links
- **Notes_Widget**: A widget type that allows users to create and edit text notes
- **Weather_Widget**: A widget type that displays weather information for specified locations
- **Search_Provider**: A configurable search engine (Google, DuckDuckGo, Bing, etc.)
- **OAuth_Provider**: An external authentication service (Google, GitHub, Microsoft, etc.)
- **Authentication_System**: The system component responsible for user login and session management
- **Widget_Manager**: The system component responsible for creating, updating, and deleting widgets
- **Page_Manager**: The system component responsible for managing pages and their ordering
- **Storage_Service**: The system component responsible for persisting user data
- **Tag**: A label that can be applied to bookmarks or notes for categorization and filtering
- **Group**: A named collection of bookmarks within a widget for organizational purposes
## Requirements
### Requirement 1: User Authentication
**User Story:** As a user, I want to log in using OAuth providers, so that I can securely access my personalized start page without creating another password.
#### Acceptance Criteria
1. WHEN a user visits the application without authentication, THE Authentication_System SHALL display a login page with OAuth provider options
2. WHEN a user selects an OAuth provider, THE Authentication_System SHALL redirect to the provider's authorization page
3. WHEN OAuth authorization succeeds, THE Authentication_System SHALL create or retrieve the user account and establish an authenticated session
4. WHEN OAuth authorization fails, THE Authentication_System SHALL display an error message and return to the login page
5. THE Authentication_System SHALL support Google OAuth as a provider
6. WHERE additional OAuth providers are configured, THE Authentication_System SHALL display them as login options
7. WHEN a user is authenticated, THE Authentication_System SHALL maintain the session across browser refreshes
8. WHEN a user logs out, THE Authentication_System SHALL terminate the session and redirect to the login page
### Requirement 2: Page Management
**User Story:** As a user, I want to create and manage multiple pages, so that I can organize my widgets into different categories or contexts.
#### Acceptance Criteria
1. WHEN a user first logs in, THE Page_Manager SHALL create a default page named "Home"
2. WHEN a user clicks the add page button, THE Page_Manager SHALL create a new page and add it to the page list
3. WHEN a user creates a new page, THE Page_Manager SHALL prompt for a page name
4. WHEN a user clicks on a page tab, THE Dashboard SHALL display that page's widgets
5. WHEN a user deletes a page, THE Page_Manager SHALL remove the page and all its widgets
6. IF a user attempts to delete the last remaining page, THEN THE Page_Manager SHALL prevent the deletion and display a message
7. WHEN a user reorders pages, THE Page_Manager SHALL update the page order and persist the change
8. THE Page_Manager SHALL persist all page changes to the Storage_Service immediately
### Requirement 3: Search Functionality
**User Story:** As a user, I want to search the web from my start page with a customizable search provider, so that I can quickly find information without navigating to a search engine first.
#### Acceptance Criteria
1. THE Dashboard SHALL display a search bar in the top toolbar
2. WHEN a user types a query and presses Enter, THE Dashboard SHALL open a new tab with search results from the configured Search_Provider
3. WHEN a user opens search settings, THE Dashboard SHALL display available Search_Provider options
4. WHEN a user selects a Search_Provider, THE Dashboard SHALL update the search configuration and persist the change
5. THE Dashboard SHALL support Google, DuckDuckGo, and Bing as Search_Provider options
6. WHEN no Search_Provider is configured, THE Dashboard SHALL default to Google
7. WHEN a user submits an empty search query, THE Dashboard SHALL not perform a search
### Requirement 4: Bookmark Widget
**User Story:** As a user, I want to create bookmark widgets to organize my frequently visited links with tags and groups, so that I can manage thousands of bookmarks efficiently and quickly access websites from my start page.
#### Acceptance Criteria
1. WHEN a user adds a Bookmark_Widget, THE Widget_Manager SHALL create the widget and add it to the current page
2. WHEN a user adds a bookmark to a Bookmark_Widget, THE Widget_Manager SHALL store the bookmark with its title, URL, and optional tags
3. WHEN a user clicks a bookmark, THE Dashboard SHALL open the URL in a new tab
4. WHEN a user edits a bookmark, THE Widget_Manager SHALL update the bookmark's title, URL, or tags
5. WHEN a user deletes a bookmark, THE Widget_Manager SHALL remove it from the Bookmark_Widget
6. WHEN a user reorders bookmarks within a Bookmark_Widget, THE Widget_Manager SHALL update the bookmark order
7. THE Bookmark_Widget SHALL display bookmarks as a list with titles and optional icons
8. WHEN a user sets a custom title for a Bookmark_Widget, THE Widget_Manager SHALL update and display the custom title
9. WHEN a user adds tags to a bookmark, THE Storage_Service SHALL support one-to-many tag relationships (multiple tags per bookmark)
10. WHEN a user filters bookmarks by tag, THE Bookmark_Widget SHALL display only bookmarks matching the selected tag(s)
11. WHEN a user creates a group within a Bookmark_Widget, THE Widget_Manager SHALL allow organizing bookmarks into named groups
12. WHEN a user moves a bookmark between groups, THE Widget_Manager SHALL update the bookmark's group assignment
13. THE Storage_Service SHALL efficiently support storing and retrieving 10,000+ bookmarks per user
14. WHEN a user quickly changes tags on multiple bookmarks, THE Storage_Service SHALL handle rapid updates without data loss
15. WHEN a user deletes a tag, THE Widget_Manager SHALL remove the tag from all associated bookmarks
16. WHEN a user shares a bookmark, THE Dashboard SHALL generate a shareable link or export option
### Requirement 5: Notes Widget
**User Story:** As a user, I want to create notes widgets to store rich text information with tags and multiple content formats, so that I can keep organized reminders, code snippets, and formatted notes on my start page and easily find them later.
#### Acceptance Criteria
1. WHEN a user adds a Notes_Widget, THE Widget_Manager SHALL create the widget and add it to the current page
2. WHEN a user types in a Notes_Widget, THE Widget_Manager SHALL save the content
3. THE Notes_Widget SHALL support multiple content format modes: plain text, rich text (RTF), code blocks, YAML, and Markdown
4. WHEN a user selects a content format mode, THE Notes_Widget SHALL render the content appropriately for that format
5. THE Notes_Widget SHALL support full Unicode character sets for international text and emoji
6. WHEN a user enters code blocks, THE Notes_Widget SHALL provide syntax highlighting for common programming languages
7. WHEN a user enters YAML content, THE Notes_Widget SHALL preserve indentation and structure
8. WHEN a user uses rich text mode, THE Notes_Widget SHALL support basic formatting (bold, italic, lists, headings)
9. WHEN a user edits note content, THE Widget_Manager SHALL persist changes to the Storage_Service
10. WHEN a user sets a custom title for a Notes_Widget, THE Widget_Manager SHALL update and display the custom title
11. THE Notes_Widget SHALL preserve line breaks, indentation, and formatting in all content modes
12. WHEN a user adds tags to a note, THE Storage_Service SHALL support one-to-many tag relationships (multiple tags per note)
13. WHEN a user filters notes by tag, THE Notes_Widget SHALL display only notes matching the selected tag(s)
14. THE Storage_Service SHALL efficiently support storing and retrieving thousands of notes per user with various content formats
15. WHEN a user quickly changes tags on multiple notes, THE Storage_Service SHALL handle rapid updates without data loss
16. WHEN a user deletes a tag, THE Widget_Manager SHALL remove the tag from all associated notes
17. WHEN a user shares a note, THE Dashboard SHALL generate a shareable link or export option that preserves formatting
18. WHEN a user switches between content format modes, THE Notes_Widget SHALL preserve the raw content without data loss
### Requirement 6: Weather Widget
**User Story:** As a user, I want to add weather widgets to see current weather conditions, so that I can quickly check the weather without visiting a weather website.
#### Acceptance Criteria
1. WHEN a user adds a Weather_Widget, THE Widget_Manager SHALL create the widget and prompt for a location
2. WHEN a user specifies a location, THE Weather_Widget SHALL fetch and display current weather conditions
3. THE Weather_Widget SHALL display temperature, weather condition description, and an appropriate weather icon
4. WHEN a user changes the location, THE Weather_Widget SHALL update to show weather for the new location
5. WHEN weather data cannot be retrieved, THE Weather_Widget SHALL display an error message
6. THE Weather_Widget SHALL refresh weather data periodically
7. WHEN a user sets a custom title for a Weather_Widget, THE Widget_Manager SHALL update and display the custom title
### Requirement 7: Widget Management
**User Story:** As a user, I want to add, remove, resize, and reposition widgets on my pages, so that I can customize my start page layout to my preferences.
#### Acceptance Criteria
1. WHEN a user clicks an add widget button, THE Dashboard SHALL display a widget type selection menu
2. WHEN a user selects a widget type, THE Widget_Manager SHALL create the widget and add it to the current page
3. WHEN a user deletes a widget, THE Widget_Manager SHALL remove it from the page
4. WHEN a user drags a widget, THE Dashboard SHALL allow repositioning within the page
5. WHEN a user drops a widget in a new position, THE Widget_Manager SHALL update the widget position and persist the change
6. WHERE the application supports widget resizing, THE Dashboard SHALL allow users to resize widgets
7. THE Widget_Manager SHALL persist all widget changes to the Storage_Service immediately
8. WHEN a widget is created, THE Widget_Manager SHALL assign it a unique identifier
### Requirement 8: Data Persistence
**User Story:** As a user, I want my pages, widgets, and settings to be saved automatically, so that my customizations are preserved across sessions.
#### Acceptance Criteria
1. WHEN a user makes any change to pages, widgets, or settings, THE Storage_Service SHALL persist the change immediately
2. WHEN a user logs in, THE Storage_Service SHALL retrieve all user data and restore the previous state
3. THE Storage_Service SHALL store page configurations including page names and order
4. THE Storage_Service SHALL store widget configurations including type, position, size, and content
5. THE Storage_Service SHALL store user preferences including selected Search_Provider
6. WHEN storage operations fail, THE Dashboard SHALL display an error message to the user
7. THE Storage_Service SHALL associate all data with the authenticated user account
8. THE Storage_Service SHALL be designed to scale efficiently for users with 10,000+ bookmarks and notes
9. THE Storage_Service SHALL support efficient querying by tags for both bookmarks and notes
10. THE Storage_Service SHALL handle concurrent updates to tags and content without data corruption
### Requirement 9: Responsive Design
**User Story:** As a user, I want the application to work well on different screen sizes, so that I can access my start page from various devices.
#### Acceptance Criteria
1. WHEN the application is viewed on a desktop screen, THE Dashboard SHALL display widgets in a multi-column grid layout
2. WHEN the application is viewed on a tablet screen, THE Dashboard SHALL adjust the layout to fit the available width
3. WHEN the application is viewed on a mobile screen, THE Dashboard SHALL display widgets in a single-column layout
4. THE Dashboard SHALL ensure all interactive elements are appropriately sized for touch input on mobile devices
5. WHEN the screen size changes, THE Dashboard SHALL reflow the layout without requiring a page refresh
### Requirement 10: User Interface and Navigation
**User Story:** As a user, I want an intuitive interface with clear navigation, so that I can easily manage my pages and widgets.
#### Acceptance Criteria
1. THE Dashboard SHALL display a top toolbar containing the search bar, page tabs, and user menu
2. THE Dashboard SHALL display page tabs horizontally in the top toolbar
3. WHEN a user clicks the user menu, THE Dashboard SHALL display options for settings and logout
4. THE Dashboard SHALL provide visual feedback for interactive elements on hover and click
5. WHEN a user performs an action, THE Dashboard SHALL provide immediate visual confirmation
6. THE Dashboard SHALL use consistent styling and spacing throughout the interface
7. WHEN loading data, THE Dashboard SHALL display loading indicators to inform the user
### Requirement 11: Database Technology Evaluation
**User Story:** As a system architect, I want to evaluate DynamoDB as the storage solution, so that I can ensure the application scales efficiently for users with thousands of bookmarks and notes.
#### Acceptance Criteria
1. THE design document SHALL evaluate DynamoDB's suitability for storing user data, pages, widgets, bookmarks, and notes
2. THE design document SHALL analyze DynamoDB's ability to handle 10,000+ bookmarks per user with efficient retrieval
3. THE design document SHALL evaluate access patterns for tag-based queries and filtering
4. THE design document SHALL assess DynamoDB's performance for rapid tag updates and deletions across multiple items
5. THE design document SHALL consider alternative database solutions if DynamoDB limitations are identified
6. THE design document SHALL define the data model and indexing strategy for tags (one-to-many relationships)
7. THE design document SHALL address how to efficiently query bookmarks/notes by multiple tags
8. THE design document SHALL evaluate the cost implications of the chosen storage solution at scale
9. THE design document SHALL consider data consistency requirements for concurrent updates