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>

packages/db/migrations/0007_project_description.sql

@@ -0,0 +1 @@
+ALTER TABLE "project" ADD COLUMN "description" text;

packages/db/migrations/meta/_journal.json

@@ -50,6 +50,13 @@
       "when": 1780410287425,
       "tag": "0006_time_entry",
       "breakpoints": true
+    },
+    {
+      "idx": 7,
+      "version": "7",
+      "when": 1780415208906,
+      "tag": "0007_project_description",
+      "breakpoints": true
     }
   ]
 }

packages/db/src/schema.ts

@@ -124,6 +124,7 @@ export const project = pgTable(
       .notNull()
       .references(() => area.id, { onDelete: 'restrict' }),
     name: text('name').notNull(),
+    description: text('description'),
     kind: text('kind', { enum: ['kundenprojekt', 'internes_projekt'] }).notNull(),
     verantwortlicheUserId: uuid('verantwortliche_user_id').references(() => user.id, {
       onDelete: 'set null',

packages/shared/src/schemas/project.ts

@@ -3,6 +3,7 @@ import { z } from 'zod';
 export const createProjectInput = z.object({
   areaId: z.string().uuid(),
   name: z.string().min(1).max(200),
+  description: z.string().max(2000).optional(),
   kind: z.enum(['kundenprojekt', 'internes_projekt']),
   verantwortlicheUserId: z.string().uuid().optional(),
   arbeitsmodus: z.enum(['cycle', 'kanban']).optional(),