feat: WebSocket temps réel + Finance Workflow + corrections

- Task #6: WebSocket /ws/dashboard + Kafka events (5 topics)
  * Backend: KafkaEventProducer, KafkaEventConsumer
  * Mobile: WebSocketService (reconnection, heartbeat, typed events)
  * DashboardBloc: Auto-refresh depuis WebSocket events

- Finance Workflow: approbations + budgets (backend + mobile)
  * Backend: entities, services, resources, migrations Flyway V6
  * Mobile: features finance_workflow complète avec BLoC

- Corrections DI: interfaces IRepository partout
  * IProfileRepository, IOrganizationRepository, IMembreRepository
  * GetIt configuré avec @injectable

- Spec-Kit: constitution + templates mis à jour
  * .specify/memory/constitution.md enrichie
  * Templates agent, plan, spec, tasks, checklist

- Nettoyage: fichiers temporaires supprimés

Signed-off-by: lions dev Team

unionflow/.specify/scripts/powershell/common.ps1

@@ -3,7 +3,19 @@
 
 function Get-RepoRoot {
     # Prefer directory containing .specify (project root for spec-kit)
-    $current = Resolve-Path (Join-Path $PSScriptRoot "../../..").Path
+    $scriptDir = $PSScriptRoot
+    if (-not $scriptDir -and $MyInvocation.ScriptName) {
+        $scriptDir = Split-Path -Parent $MyInvocation.ScriptName
+    }
+    if ($scriptDir) {
+        try {
+            $current = (Resolve-Path (Join-Path $scriptDir "../../..")).Path
+        } catch {
+            $current = (Get-Location).Path
+        }
+    } else {
+        $current = (Get-Location).Path
+    }
     while ($current) {
         if (Test-Path (Join-Path $current ".specify")) {
             return $current
@@ -17,7 +29,8 @@ function Get-RepoRoot {
         $result = git rev-parse --show-toplevel 2>$null
         if ($LASTEXITCODE -eq 0) { return $result }
     } catch {}
-    return (Resolve-Path (Join-Path $PSScriptRoot "../..")).Path
+    $fallbackDir = if ($scriptDir) { $scriptDir } else { (Get-Location).Path }
+    return (Resolve-Path (Join-Path $fallbackDir "../..")).Path
 }
 
 function Get-CurrentBranch {