Puls → Dashboard umbenennen + Projekt-Beschreibung

UI/Routing
- Tab + Route: /puls → /dashboard, Heading „Unternehmens-Puls" → „Dashboard"
- Shortcut: g p → g d (Cheatsheet entsprechend)
- Breadcrumbs, 404-Hinweistext, alle internen Links angepasst

Code-Layout
- apps/web/src/routes/puls.tsx → dashboard.tsx (Komponente DashboardRoute)
- apps/api/src/routers/puls.ts → dashboard.ts (dashboardRouter)
- tRPC-Aufrufe: trpc.puls.* / utils.puls.* → trpc.dashboard.* / utils.dashboard.*
- Auth-Redirects (/api/auth/login, /callback, dev-login) zeigen jetzt auf /dashboard

Projekt-Beschreibung
- Migration 0007_project_description: project.description text (nullable)
- Shared Zod: ProjectSchemas.createProjectInput.description (max 2000, optional)
- Backend: project.create mappt input.description
- Frontend Dialog „Neues Projekt": Textarea (3 Zeilen, optional)
- Projekt-Detail: zeigt Beschreibung als whitespace-pre-wrap unter Subtitle

README
- Routen-Tabelle, Shortcut-Liste, Verzeichnis-Baum, DB-Tabellen, Migration-Range,
  Frontend-Routenliste aktualisiert

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/api/src/routers/_app.ts

@@ -3,7 +3,7 @@
 import { router, publicProcedure } from '../trpc.js';
 import { dayEntryRouter } from './day-entry.js';
 import { userRouter } from './user.js';
-import { pulsRouter } from './puls.js';
+import { dashboardRouter } from './dashboard.js';
 import { projectRouter } from './project.js';
 import { dealRouter, gtmRouter } from './deal.js';
 import { campaignRouter } from './campaign.js';
@@ -25,7 +25,7 @@ export const appRouter = router({
   blocker: blockerRouter,
   dayEntry: dayEntryRouter,
   time: timeRouter,
-  puls: pulsRouter,
+  dashboard: dashboardRouter,
 });
 
 export type AppRouter = typeof appRouter;

apps/api/src/routers/dashboard.ts

@@ -4,7 +4,7 @@ import { router, protectedProcedure } from '../trpc.js';
 import { todayIso, previousWerktag } from '../lib/werktag.js';
 import { aggregateAreaAmpel } from '../lib/ampel.js';
 
-export const pulsRouter = router({
+export const dashboardRouter = router({
   overview: protectedProcedure.query(async ({ ctx }) => {
     const todayDate = todayIso();
     const [areas, allProjects, openBlockers, todayPresence, totalActiveUsers, feedRows] =

apps/api/src/routers/day-entry.ts

@@ -297,7 +297,7 @@ export const dayEntryRouter = router({
 
   /**
    * Konsolidierter Vortrags-Feed: alle bereits publizierten Einträge.
-   * Nutzbar in Story 3.4 (Puls-Feed).
+   * Nutzbar in Story 3.4 (Dashboard-Feed).
    */
   feed: protectedProcedure.query(async ({ ctx }) => {
     const entries = await ctx.db

apps/api/src/routers/project.ts

@@ -64,6 +64,7 @@ export const projectRouter = router({
           .values({
             areaId: input.areaId,
             name: input.name,
+            description: input.description ?? null,
             kind: input.kind,
             verantwortlicheUserId: input.verantwortlicheUserId ?? null,
             arbeitsmodus: input.arbeitsmodus ?? null,