BioFlow Requirements - Traceability matrix

Node	Parent [derivedFrom]	Parent [verifies]	File
BioFlow Requirements
[No UID] 1. Layout
[No UID] 2. Authoring
[No UID] 3. Running StrictDoc

System Requirements
SYS-001 1. First-launch readiness for local enrolment	SRS-001 1. First-launch database initialisation	ST-001 1. Local clinic visible in Patients menu
SYS-002 2. Confidentiality of patient data at rest	SRS-002 2. Local database confidentiality at rest
SYS-003 3. Integrity of patient data at rest	SRS-003 3. Local database integrity enforcement
SYS-004 4. Audit trail of clinical record operations	SRS-004 4. Audit logging of clinical record operations SRS-005 5. Audit-trail review and export
SYS-005 5. Operator workstation for recording sessions	SRS-006 6. Maximized main window on launch SRS-007 7. Always-visible recording control widget SRS-008 8. Bottom-bar signal and menu mode toggle SRS-009 9. Dismiss overlay on ESC or click-outside SRS-010 10. At most one overlay open at a time SRS-011 11. Signal-mode bottom-bar controls SRS-012 12. Menu-mode bottom-bar navigation buttons SRS-013 13. Recorded-duration readout format SRS-014 14. Patient name in recording widget SRS-015 15. Bottom bar default and resting mode SRS-016 16. Minimum main window size SRS-017 17. Selectable application themes SRS-018 18. Live signal display frame rate SRS-019 19. Multi-monitor window position restore SRS-020 20. Display-scaling layout integrity

Software Requirements Specification
SRS-001 1. First-launch database initialisation	SYS-001 1. First-launch readiness for local enrolment ARCH-001 1. Local persistence subsystem	ST-001 1. Local clinic visible in Patients menu
SRS-002 2. Local database confidentiality at rest	SYS-002 2. Confidentiality of patient data at rest ARCH-002 2. Local database encryption
SRS-003 3. Local database integrity enforcement	SYS-003 3. Integrity of patient data at rest ARCH-003 3. Local database integrity mechanisms
SRS-004 4. Audit logging of clinical record operations	SYS-004 4. Audit trail of clinical record operations ARCH-004 4. Audit-logging subsystem ARCH-005 5. Audit-log record shape and immutability	ST-003 3. Audit trail captures every operator-initiated clinical record operation
SRS-005 5. Audit-trail review and export	SYS-004 4. Audit trail of clinical record operations ARCH-006 6. Audit-trail review-and-export presentation surface	ST-002 2. Operator can review and export the local audit trail
SRS-006 6. Maximized main window on launch	SYS-005 5. Operator workstation for recording sessions ARCH-007 7. Application window launch and state subsystem	ST-004 4. Main window maximised on launch
SRS-007 7. Always-visible recording control widget	SYS-005 5. Operator workstation for recording sessions ARCH-008 8. Recording control widget	ST-005 5. Recording widget visible across states
SRS-008 8. Bottom-bar signal and menu mode toggle	SYS-005 5. Operator workstation for recording sessions ARCH-009 9. Bottom-bar mode controller	ST-006 6. Bottom bar toggles signal and menu modes
SRS-009 9. Dismiss overlay on ESC or click-outside	SYS-005 5. Operator workstation for recording sessions ARCH-010 10. Overlay navigation subsystem	ST-007 7. Overlay dismissed by ESC and click-outside
SRS-010 10. At most one overlay open at a time	SYS-005 5. Operator workstation for recording sessions ARCH-010 10. Overlay navigation subsystem	ST-008 8. Only one overlay shown at a time
SRS-011 11. Signal-mode bottom-bar controls	SYS-005 5. Operator workstation for recording sessions ARCH-009 9. Bottom-bar mode controller	ST-006 6. Bottom bar toggles signal and menu modes
SRS-012 12. Menu-mode bottom-bar navigation buttons	SYS-005 5. Operator workstation for recording sessions ARCH-009 9. Bottom-bar mode controller	ST-006 6. Bottom bar toggles signal and menu modes
SRS-013 13. Recorded-duration readout format	SYS-005 5. Operator workstation for recording sessions ARCH-008 8. Recording control widget	UT-001 1. Recorded-duration HH:MM:SS formatter ST-009 9. Recorded duration shown in HH:MM:SS
SRS-014 14. Patient name in recording widget	SYS-005 5. Operator workstation for recording sessions ARCH-008 8. Recording control widget	ST-010 10. Patient name shown in recording widget
SRS-015 15. Bottom bar default and resting mode	SYS-005 5. Operator workstation for recording sessions ARCH-009 9. Bottom-bar mode controller	ST-011 11. Bottom bar rests in signal mode
SRS-016 16. Minimum main window size	SYS-005 5. Operator workstation for recording sessions ARCH-007 7. Application window launch and state subsystem	ST-012 12. Minimum window size is enforced
SRS-017 17. Selectable application themes	SYS-005 5. Operator workstation for recording sessions ARCH-011 11. Theme subsystem	ST-013 13. Operator selects each visual theme
SRS-018 18. Live signal display frame rate	SYS-005 5. Operator workstation for recording sessions
SRS-019 19. Multi-monitor window position restore	SYS-005 5. Operator workstation for recording sessions
SRS-020 20. Display-scaling layout integrity	SYS-005 5. Operator workstation for recording sessions

Software Architecture Description
ARCH-001 1. Local persistence subsystem	SRS-001 1. First-launch database initialisation	IT-001 1. First-launch DB initialisation
ARCH-002 2. Local database encryption	SRS-002 2. Local database confidentiality at rest	IT-002 2. Database file is encrypted at rest	[ 561-628 ] lib/infrastructure/database/app_database.dart
ARCH-003 3. Local database integrity mechanisms	SRS-003 3. Local database integrity enforcement	IT-003 3. Database integrity mechanisms reject corrupt writes and roll back partial state
ARCH-004 4. Audit-logging subsystem	SRS-004 4. Audit logging of clinical record operations	IT-004 4. Audit-log entries are written for each clinical record operation
ARCH-005 5. Audit-log record shape and immutability	SRS-004 4. Audit logging of clinical record operations	IT-005 5. Audit-log records have the required shape and are immutable
ARCH-006 6. Audit-trail review-and-export presentation surface	SRS-005 5. Audit-trail review and export	IT-006 6. Audit-trail export produces a faithful copy of the on-device entries
ARCH-007 7. Application window launch and state subsystem	SRS-006 6. Maximized main window on launch SRS-016 16. Minimum main window size		[ 1-262 ] lib/application/view_models/window_state_notifier.dart
ARCH-008 8. Recording control widget	SRS-007 7. Always-visible recording control widget SRS-013 13. Recorded-duration readout format SRS-014 14. Patient name in recording widget	IT-008 7. Recording widget renders controls and context	[ 1-323 ] lib/presentation/widgets/recording_widget.dart
ARCH-009 9. Bottom-bar mode controller	SRS-008 8. Bottom-bar signal and menu mode toggle SRS-011 11. Signal-mode bottom-bar controls SRS-012 12. Menu-mode bottom-bar navigation buttons SRS-015 15. Bottom bar default and resting mode	IT-009 8. Bottom bar switches rendered mode on toggle IT-011 10. Bottom bar renders the per-mode controls	[ 1-166 ] lib/application/view_models/bottom_bar_notifier.dart
ARCH-010 10. Overlay navigation subsystem	SRS-009 9. Dismiss overlay on ESC or click-outside SRS-010 10. At most one overlay open at a time	IT-010 9. Overlay open/replace/dismiss state machine	[ 1-406 ] lib/application/view_models/navigation_notifier.dart
ARCH-011 11. Theme subsystem	SRS-017 17. Selectable application themes	IT-012 11. Theme selection drives the application theme	[ 1-273 ] lib/presentation/theme/app_theme.dart

Unit Test Specifications
UT-001 1. Recorded-duration HH:MM:SS formatter		SRS-013 13. Recorded-duration readout format

Integration Test Specifications
IT-001 1. First-launch DB initialisation		ARCH-001 1. Local persistence subsystem
IT-002 2. Database file is encrypted at rest		ARCH-002 2. Local database encryption
IT-003 3. Database integrity mechanisms reject corrupt writes and roll back partial state		ARCH-003 3. Local database integrity mechanisms
IT-004 4. Audit-log entries are written for each clinical record operation		ARCH-004 4. Audit-logging subsystem
IT-005 5. Audit-log records have the required shape and are immutable		ARCH-005 5. Audit-log record shape and immutability
IT-006 6. Audit-trail export produces a faithful copy of the on-device entries		ARCH-006 6. Audit-trail review-and-export presentation surface
IT-008 7. Recording widget renders controls and context		ARCH-008 8. Recording control widget
IT-009 8. Bottom bar switches rendered mode on toggle		ARCH-009 9. Bottom-bar mode controller
IT-010 9. Overlay open/replace/dismiss state machine		ARCH-010 10. Overlay navigation subsystem
IT-011 10. Bottom bar renders the per-mode controls		ARCH-009 9. Bottom-bar mode controller
IT-012 11. Theme selection drives the application theme		ARCH-011 11. Theme subsystem

System Test Specifications
ST-001 1. Local clinic visible in Patients menu		SYS-001 1. First-launch readiness for local enrolment SRS-001 1. First-launch database initialisation
ST-002 2. Operator can review and export the local audit trail		SRS-005 5. Audit-trail review and export
ST-003 3. Audit trail captures every operator-initiated clinical record operation		SRS-004 4. Audit logging of clinical record operations
ST-004 4. Main window maximised on launch		SRS-006 6. Maximized main window on launch
ST-005 5. Recording widget visible across states		SRS-007 7. Always-visible recording control widget
ST-006 6. Bottom bar toggles signal and menu modes		SRS-008 8. Bottom-bar signal and menu mode toggle SRS-011 11. Signal-mode bottom-bar controls SRS-012 12. Menu-mode bottom-bar navigation buttons
ST-007 7. Overlay dismissed by ESC and click-outside		SRS-009 9. Dismiss overlay on ESC or click-outside
ST-008 8. Only one overlay shown at a time		SRS-010 10. At most one overlay open at a time
ST-009 9. Recorded duration shown in HH:MM:SS		SRS-013 13. Recorded-duration readout format
ST-010 10. Patient name shown in recording widget		SRS-014 14. Patient name in recording widget
ST-011 11. Bottom bar rests in signal mode		SRS-015 15. Bottom bar default and resting mode
ST-012 12. Minimum window size is enforced		SRS-016 16. Minimum main window size
ST-013 13. Operator selects each visual theme		SRS-017 17. Selectable application themes