Enhance Prisma schema and documentation for dashboard features

- Added new models for DashboardAccessRule and DashboardAuditLog to the Prisma schema, improving access control and logging capabilities.
- Updated GuildSettings model to include timezone support.
- Revised PHASE-TRACKING.md to reflect the completion of Phase 5 and outline upcoming Phase 6 features, including dashboard layout and settings framework.
- Exported new phase 6 features in shared index for better modularity.

apps/bot/prisma/migrations/20260722180000_phase6_webui/migration.sql

@@ -0,0 +1,46 @@
+-- AlterTable
+ALTER TABLE "GuildSettings" ADD COLUMN "timezone" TEXT NOT NULL DEFAULT 'Europe/Berlin';
+
+-- CreateTable
+CREATE TABLE "DashboardAccessRule" (
+    "id" TEXT NOT NULL,
+    "guildId" TEXT NOT NULL,
+    "roleId" TEXT NOT NULL,
+    "modules" JSONB NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "DashboardAccessRule_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "DashboardAuditLog" (
+    "id" TEXT NOT NULL,
+    "guildId" TEXT,
+    "actorUserId" TEXT NOT NULL,
+    "action" TEXT NOT NULL,
+    "path" TEXT,
+    "before" JSONB,
+    "after" JSONB,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "DashboardAuditLog_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "DashboardAccessRule_guildId_idx" ON "DashboardAccessRule"("guildId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "DashboardAccessRule_guildId_roleId_key" ON "DashboardAccessRule"("guildId", "roleId");
+
+-- CreateIndex
+CREATE INDEX "DashboardAuditLog_guildId_createdAt_idx" ON "DashboardAuditLog"("guildId", "createdAt");
+
+-- CreateIndex
+CREATE INDEX "DashboardAuditLog_actorUserId_createdAt_idx" ON "DashboardAuditLog"("actorUserId", "createdAt");
+
+-- AddForeignKey
+ALTER TABLE "DashboardAccessRule" ADD CONSTRAINT "DashboardAccessRule_guildId_fkey" FOREIGN KEY ("guildId") REFERENCES "Guild"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "DashboardAuditLog" ADD CONSTRAINT "DashboardAuditLog_guildId_fkey" FOREIGN KEY ("guildId") REFERENCES "Guild"("id") ON DELETE CASCADE ON UPDATE CASCADE;