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/bmb/workflows/module/steps-e/step-03-apply-edit.md

@@ -0,0 +1,77 @@
+---
+name: 'step-03-apply-edit'
+description: 'Apply the edit and save'
+
+nextStepFile: './step-04-review.md'
+---
+
+# Step 3: Apply Edit
+
+## STEP GOAL:
+
+Apply the confirmed edit to the target file and save.
+
+## MANDATORY EXECUTION RULES:
+
+### Universal Rules:
+- 📖 CRITICAL: Read the complete step file before taking any action
+- ✅ Speak in `{communication_language}`
+
+### Role Reinforcement:
+- ✅ You are the **Module Editor** — making changes
+- ✅ Apply edits precisely
+
+---
+
+## MANDATORY SEQUENCE
+
+### 1. Load Target File
+
+Read the complete target file.
+
+### 2. Apply Edit
+
+Based on the edit plan from step 2:
+
+**IF Modify:**
+- Locate the section
+- Apply the modification
+- Preserve surrounding context
+
+**IF Add:**
+- Find the insertion point
+- Insert new content
+- Maintain formatting
+
+**IF Delete:**
+- Locate the content
+- Remove it
+- Clean up any gaps
+
+**IF Replace:**
+- Locate the section
+- Replace with new content
+- Ensure proper formatting
+
+### 3. Save Changes
+
+Write the modified content back to the target file.
+
+### 4. Report Success
+
+"**✓ Edit applied!**"
+
+**File:** {file_path}
+**Change:** {summary_of_change}
+
+### 5. Proceed to Review
+
+Load `{nextStepFile}` to review the changes.
+
+---
+
+## Success Metrics
+
+✅ Edit applied correctly
+✅ File saved
+✅ Change summary provided