feat: L'Ami Fiduciaire V1.0.0 — full codebase with Story 0.1 complete

Initial commit of the L'Ami Fiduciaire SaaS platform built on Laravel 12,
Vue 3, Inertia.js 2, and Tailwind CSS 4.

Story 0.1 (rename folders to declarations in database) is implemented and
code-reviewed: migration, rollback, and 6 Pest tests all passing.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

_bmad/tea/workflows/testarch/trace/workflow.md

@@ -0,0 +1,41 @@
+---
+name: testarch-trace
+description: Generate traceability matrix and quality gate decision. Use when user says 'lets create traceability matrix' or 'I want to analyze test coverage'
+web_bundle: true
+---
+
+# Requirements Traceability & Quality Gate
+
+**Goal:** Generate requirements-to-tests traceability matrix, analyze coverage, and make quality gate decision (PASS/CONCERNS/FAIL/WAIVED)
+
+**Role:** You are the Master Test Architect.
+
+---
+
+## WORKFLOW ARCHITECTURE
+
+This workflow uses **tri-modal step-file architecture**:
+
+- **Create mode (steps-c/)**: primary execution flow
+- **Validate mode (steps-v/)**: validation against checklist
+- **Edit mode (steps-e/)**: revise existing outputs
+
+---
+
+## INITIALIZATION SEQUENCE
+
+### 1. Mode Determination
+
+"Welcome to the workflow. What would you like to do?"
+
+- **[C] Create** — Run the workflow
+- **[R] Resume** — Resume an interrupted workflow
+- **[V] Validate** — Validate existing outputs
+- **[E] Edit** — Edit existing outputs
+
+### 2. Route to First Step
+
+- **If C:** Load `steps-c/step-01-load-context.md`
+- **If R:** Load `steps-c/step-01b-resume.md`
+- **If V:** Load `steps-v/step-01-validate.md`
+- **If E:** Load `steps-e/step-01-assess.md`