L-Ami-Fiduciaire/_bmad-output/implementation-artifacts/epic-0-retro-2026-03-13.md

Epic 0 Retrospective — Foundation Migration & Infrastructure Setup

Date: 2026-03-13 Facilitator: Bob (Scrum Master) Epic: 0 — Foundation Migration & Infrastructure Setup Status: Complete (5/5 stories done) First Retrospective: Yes (no previous retro to reference)

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Team Participants

• Bob (Scrum Master) — Facilitator
• John (Product Manager) — Product perspective
• Winston (Architect) — Architecture & decisions
• Amelia (Developer) — Implementation insights
• Quinn (QA Engineer) — Quality perspective
• Saad (Project Lead) — Direction & decisions

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Epic Summary & Metrics

Delivery:

• Stories Completed: 5/5 (100%)
• Test Suite Growth: ~40 → 93 tests (240 assertions)
• Code Review Findings: 24 total (5 critical/high, resolved)
• Blockers: 0
• Production Incidents: 0

Stories Delivered:

Story	Title	Key Outcome
0.1	Rename Folders to Declarations in Database	Migration with FK constraints, indexes, rollback support
0.2	Rename Folders to Declarations in Backend	40+ files renamed — models, controllers, enums, mail, middleware, routes
0.3	Rename Folders to Declarations in Frontend	Vue pages, components, Wayfinder routes, user-facing text (FR→"Déclarations")
0.4	Configure Redis for Cache, Queue & Sessions	Redis service added, triple-duty pattern (cache/queue/sessions), queue:work optimized
0.5	Foundation Database Migrations & Status Flow	Permissions JSON column, archived_at, DeclarationStatus enum (5 values), DeclarationObserver

Infrastructure Changes:

• PHP 8.2 → 8.4 upgrade in Docker
• Redis service added to compose.yaml
• phpunit.xml configured for SQLite in-memory testing
• queue:listen → queue:work with --tries=3 --timeout=30

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What Went Well

1. Layered migration strategy worked perfectly. DB → Backend → Frontend ordering gave each story a clean boundary. Each layer could be verified independently before proceeding.

2. Exceptionally detailed story specs. File rename mapping tables, code skeletons, migration order-of-operations, and variable rename patterns eliminated guesswork and reduced implementation errors significantly.

3. Code review caught real bugs. 24 findings across 5 stories, including 2 critical issues in Story 0.5:

   • ConfirmController was setting status to termine instead of en_cours (would have broken status flow silently)
   • DeclarationMessageController needed an intermediate created → en_cours transition before en_attente_client

4. Test suite more than doubled. Grew from ~40 to 93 tests covering migration schemas, status flow transitions, auto-archive behavior, Redis connectivity, and declaration CRUD.

5. Zero blockers throughout the epic. No external dependencies, no blocking issues, clean execution from start to finish.

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What Didn't Go Well

1. Documentation gap for user-directed changes. When the project lead directed work outside story acceptance criteria (e.g., cosmetic cleanups), it wasn't clearly attributed in completion notes. This caused false flags during code reviews. Solution: explicitly note user-directed changes with [User-directed] tag.

2. SQLite/MySQL driver differences. Story 0.1 hit issues with dropForeign('constraint_name') syntax not working on SQLite. Had to switch to column array syntax dropForeign(['column_name']). Migration step ordering was also fragile across drivers.

3. Infrastructure prerequisites bundled into feature stories. Story 0.1 included PHP 8.2→8.4 upgrade and phpunit.xml DB config changes — necessary for running tests but outside the rename story's scope.

4. Sprint status tracking not kept current. Epic 0 still shows in-progress in sprint-status.yaml despite all 5 stories being done. Status files must be updated when epics complete.

5. Pre-existing Redis test failures. 2 RedisConnectivityTest failures in the test environment (queue/session config) create noise in test output. Not introduced by Epic 0 but not resolved either.

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Key Insights & Lessons Learned

1. Detailed story specs pay off massively. The file rename mapping tables, code skeletons, and order-of-operations documentation in Stories 0.1–0.3 eliminated guesswork. Keep this level of detail for complex stories.

2. Code review catches real bugs, not just style issues. The 2 critical findings in Story 0.5 would have caused silent data integrity issues. Always run code review.

3. Layered migration is the right pattern. DB → Backend → Frontend for cross-stack renames. Each layer had a clean boundary and could be verified independently.

4. Dual-database testing (MySQL prod + SQLite tests) requires awareness. Migration syntax must be cross-driver compatible. Always use column array syntax for dropForeign().

5. Sprint status tracking is a process, not an afterthought. Status files must stay current — stale status erodes trust in the tracking system.

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Action Items

#	Action	Owner	Priority	Success Criteria
A1	Fix sprint-status.yaml: set epic-0 to done	Saad	Immediate	Epic status reads done
A2	Establish process: when last story is marked done, epic status MUST be updated in same session	Bob (SM)	High	No stale epic statuses going forward
A3	User-directed work outside story ACs should be noted as [User-directed] in Completion Notes	Amelia (Dev)	Medium	Reviews don't false-flag user-directed changes
A4	Resolve pre-existing Redis test failures — fix test env config or skip conditionally	Quinn (QA)	Medium	Zero noise in test output
A5	Always use column array syntax for dropForeign() in migrations for SQLite/MySQL compatibility	Winston (Arch)	Ongoing	No cross-driver migration failures

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Next Epic Preview — Epic 1: Team Management & Permission System

Dependencies on Epic 0:

• permissions JSON column on workspace_user (Story 0.5) — Epic 1 builds permission UI on top
• Declaration model scopes and status flow — used in role-based access enforcement (Story 1.5)
• Redis infrastructure (Story 0.4) — caching for dashboard in Epic 2

Stories Planned: 6 (1.1–1.6)

Story	Title	Key Focus
1.1	Permission Configuration & Controller Traits	HasWorkspaceScope, AuthorizesPermissions traits, config/permissions.php
1.2	Team Management Page — View & Invite Members	Team index page, invite form, workspace-scoped member list
1.3	Role Assignment & Member Removal	Change role, remove member, activity log
1.4	Manager Permission Toggle Matrix	Per-manager permission toggles UI
1.5	Role-Based Access Enforcement Across Views	Workers see only assigned items, Managers/Owners see all
1.6	Workspace Switching for Multi-Workspace Owners	Switch between owned workspaces

Critical Path: Story 1.1 is a hard dependency for all other stories — traits must be correct before any controller uses them.

Risks:

• Story 1.1 is foundational — if wrong, everything downstream breaks
• First time building new Vue pages from scratch (not just renaming) — expect learning curve
• Permission toggle matrix (Story 1.4) has complex UI interactions

Significant Changes Required: None — Epic 0 discoveries do not change Epic 1's plan.

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Preparation Tasks for Epic 1

Critical (before epic starts):

• Update epic-0 status to done in sprint-status.yaml — Owner: Saad
• Commit all Epic 0 work (Stories 0.2–0.5 uncommitted) — Owner: Saad

Parallel (during early stories):

• Resolve Redis test environment failures — Owner: Quinn (QA)

Nice-to-have:

• Document SQLite dropForeign() pattern in project-context.md

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Readiness Assessment

Area	Status	Notes
Testing & Quality	Ready	93 tests passing, manual testing confirmed
Deployment	Local only	Production deployment is Epic 7 scope
Technical Health	Stable	No concerns raised
Unresolved Blockers	None	—
Stakeholder Acceptance	N/A	Infrastructure epic, no external stakeholders

Verdict: Epic 0 is complete. Team is clear to proceed with Epic 1 after completing critical preparation tasks.

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Next Steps

1. Complete critical preparation tasks (update sprint status, commit Epic 0 work)
2. Review action items in next standup
3. Begin Epic 1 — start with Story 1.1 (create story via SM agent)

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Retrospective facilitated by Bob (Scrum Master) on 2026-03-13