diff --git a/.phase24-state.json b/.phase24-state.json
index 575b158..a3e3782 100644
--- a/.phase24-state.json
+++ b/.phase24-state.json
@@ -1,9 +1,10 @@
 {
   "completed_features": [],
-  "current_feature": "billing-history-table",
+  "current_feature": "project-archive-icon",
   "started_at": "2026-05-23T08:33:42.059540",
   "attempted_features": [
     "notification-bell",
-    "workspace-switcher-stub"
+    "workspace-switcher-stub",
+    "billing-history-table"
   ]
 }
\ No newline at end of file
diff --git a/GENERATION_LOG.md b/GENERATION_LOG.md
index dbbaf05..68889af 100644
--- a/GENERATION_LOG.md
+++ b/GENERATION_LOG.md
@@ -2838,3 +2838,20 @@ src/index.ts(27,25): error TS2769: No overload matches this call.
   Overload 2 of 3, '(plugin: FastifyPluginAsync<{ limits: { fileSize: number; }; }, RawServerDefault, FastifyTypeProvider, FastifyBaseLogger>, opts?: FastifyRegisterOptions<...> | undefined): FastifyInstance<...> & PromiseLike<...>', gave the following error.
     Argument of type 'Promise<FastifyMultipartPlugin>' is not assignable to parameter of type 'FastifyPluginAsync<{ limits: { fileSize: number; }; }, RawServerDefault, FastifyTypeProvider, FastifyBaseLogger>'.
       Type 'Promise<FastifyMultipartPlugin>' provides no match for the signature '(instance: FastifyInstance<RawServerDefault, IncomingMessage, ServerResponse<IncomingMessage>, FastifyBaseLogger, FastifyTy
+- `08:36:50` **INFO**   Committed feature billing-history-table
+- `08:36:50` **INFO**   Pushed: rc=0
+
+## Phase-3 Feature: project-archive-icon (2026-05-23 08:36:50)
+
+- `08:36:50` **INFO** Description: Archive-Icon-Button pro Project (Soft-Archive via active=false)
+- `08:36:50` **INFO**   Generating apps/web/src/pages/Projects.tsx (ERWEITERT — füge Archive-Button (Archive-Icon lucide-react) pro Projec…)
+- `08:38:16` **INFO**     wrote 10703 chars in 86.1s (attempt 1)
+- `08:38:16` **INFO** Running tsc --noEmit on api…
+- `08:38:18` **WARN**   tsc errors:
+src/index.ts(27,25): error TS2769: No overload matches this call.
+  Overload 1 of 3, '(plugin: FastifyPluginCallback<{ limits: { fileSize: number; }; }, RawServerDefault, FastifyTypeProvider, FastifyBaseLogger>, opts?: FastifyRegisterOptions<...> | undefined): FastifyInstance<...> & PromiseLike<...>', gave the following error.
+    Argument of type 'Promise<FastifyMultipartPlugin>' is not assignable to parameter of type 'FastifyPluginCallback<{ limits: { fileSize: number; }; }, RawServerDefault, FastifyTypeProvider, FastifyBaseLogger>'.
+      Type 'Promise<FastifyMultipartPlugin>' provides no match for the signature '(instance: FastifyInstance<RawServerDefault, IncomingMessage, ServerResponse<IncomingMessage>, FastifyBaseLogger, FastifyTypeProvider>, opts: { ...; }, done: (err?: Error | undefined) => void): void'.
+  Overload 2 of 3, '(plugin: FastifyPluginAsync<{ limits: { fileSize: number; }; }, RawServerDefault, FastifyTypeProvider, FastifyBaseLogger>, opts?: FastifyRegisterOptions<...> | undefined): FastifyInstance<...> & PromiseLike<...>', gave the following error.
+    Argument of type 'Promise<FastifyMultipartPlugin>' is not assignable to parameter of type 'FastifyPluginAsync<{ limits: { fileSize: number; }; }, RawServerDefault, FastifyTypeProvider, FastifyBaseLogger>'.
+      Type 'Promise<FastifyMultipartPlugin>' provides no match for the signature '(instance: FastifyInstance<RawServerDefault, IncomingMessage, ServerResponse<IncomingMessage>, FastifyBaseLogger, FastifyTy
diff --git a/apps/web/src/pages/Projects.tsx b/apps/web/src/pages/Projects.tsx
index 5f30f6b..ebdad72 100644
--- a/apps/web/src/pages/Projects.tsx
+++ b/apps/web/src/pages/Projects.tsx
@@ -1,6 +1,6 @@
 import { useState, useEffect } from "react"
 import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query"
-import { Copy, Trash2, Edit3, X, Plus } from "lucide-react"
+import { Copy, Trash2, Edit3, X, Plus, Archive, ArchiveRestore } from "lucide-react"
 import { api } from "../lib/api"
 import { useToast } from "../hooks/use-toast"
 
@@ -13,6 +13,7 @@ export default function Projects() {
   const [selectedIds, setSelectedIds] = useState<string[]>([])
   const [bulkPrefix, setBulkPrefix] = useState("")
   const [editingProject, setEditingProject] = useState<{ id: string; name: string; budget: number } | null>(null)
+  const [showArchived, setShowArchived] = useState(false)
 
   const { data: projects, isLoading: projectsLoading, isError: projectsError } = useQuery({
     queryKey: ["projects"],
@@ -53,8 +54,8 @@ export default function Projects() {
   })
 
   const updateMutation = useMutation({
-    mutationFn: ({ id, name, budget }: { id: string; name: string; budget: number }) => 
-      api.updateProject(id, { name, budget }),
+    mutationFn: ({ id, data }: { id: string; data: any }) => 
+      api.updateProject(id, data),
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ["projects"] })
       setEditingProject(null)
@@ -119,136 +120,149 @@ export default function Projects() {
     )
   }
 
+  const filteredProjects = projects?.filter((p: any) => 
+    showArchived ? true : p.active !== false
+  ) || []
+
   if (projectsLoading) return <div className="p-6 text-gray-500">Loading projects...</div>
   if (projectsError) return <div className="p-6 text-red-500">Error loading projects.</div>
 
   return (
-    <div className="p-6 max-w-6xl mx-auto space-y-8">
-      <div className="flex justify-between items-center">
+    <div className="p-6 max-w-6xl mx-auto">
+      <div className="flex justify-between items-center mb-6">
         <h1 className="text-2xl font-bold">Projects</h1>
-        {selectedIds.length > 0 && (
-          <div className="flex gap-2 items-center bg-gray-100 p-2 rounded-lg">
-            <form onSubmit={handleBulkRename} className="flex gap-2">
-              <input 
-                className="px-2 py-1 text-sm border rounded" 
-                placeholder="Prefix..." 
-                value={bulkPrefix} 
-                onChange={e => setBulkPrefix(e.target.value)} 
-              />
-              <button type="submit" className="bg-blue-600 text-white px-3 py-1 rounded text-sm">Rename</button>
-            </form>
-            <button 
-              onClick={() => bulkDeleteMutation.mutate(selectedIds)} 
-              className="p-1 text-red-600 hover:bg-red-100 rounded"
-            >
-              <Trash2 size={18} />
-            </button>
-          </div>
-        )}
+        <div className="flex items-center gap-4">
+          <label className="flex items-center gap-2 text-sm cursor-pointer">
+            <input 
+              type="checkbox" 
+              checked={showArchived} 
+              onChange={(e) => setShowArchived(e.target.checked)} 
+              className="rounded border-gray-300"
+            />
+            Archivierte zeigen
+          </label>
+        </div>
       </div>
 
-      <form onSubmit={handleSubmit} className="grid grid-cols-1 md:grid-cols-4 gap-4 bg-white p-4 rounded-xl border shadow-sm">
-        <div className="flex gap-2">
-          <input 
-            className="w-12 px-2 py-2 border rounded text-center" 
-            placeholder="🚀" 
-            maxLength={2} 
-            value={icon} 
-            onChange={e => setIcon(e.target.value)} 
-          />
-          <input 
-            className="flex-1 px-3 py-2 border rounded" 
-            placeholder="Project Name" 
-            value={name} 
-            onChange={e => setName(e.target.value)} 
-          />
-        </div>
+      <form onSubmit={handleSubmit} className="grid grid-cols-1 md:grid-cols-4 gap-4 mb-8 p-4 bg-gray-50 rounded-lg border">
+        <input 
+          placeholder="Project Name" 
+          value={name} 
+          onChange={e => setName(e.target.value)} 
+          className="p-2 border rounded"
+        />
+        <input 
+          placeholder="Icon (emoji/text)" 
+          value={icon} 
+          onChange={e => setIcon(e.target.value)} 
+          className="p-2 border rounded"
+        />
         <select 
-          className="px-3 py-2 border rounded" 
           value={customerId} 
-          onChange={e => setCustomerId(e.target.value)}
+          onChange={e => setCustomerId(e.target.value)} 
+          className="p-2 border rounded"
         >
           <option value="">Select Customer</option>
           {customers?.map((c: any) => (
             <option key={c.id} value={c.id}>{c.name}</option>
           ))}
         </select>
-        <button 
-          type="submit" 
-          disabled={createMutation.isPending} 
-          className="bg-blue-600 text-white px-4 py-2 rounded hover:bg-blue-700 flex items-center justify-center gap-2"
-        >
+        <button type="submit" className="bg-blue-600 text-white p-2 rounded flex items-center justify-center gap-2 hover:bg-blue-700">
           <Plus size={18} /> Create Project
         </button>
       </form>
 
+      {selectedIds.length > 0 && (
+        <div className="mb-6 p-4 bg-blue-50 border border-blue-200 rounded-lg flex items-center gap-4">
+          <span className="text-sm font-medium">{selectedIds.length} selected</span>
+          <form onSubmit={handleBulkRename} className="flex gap-2">
+            <input 
+              placeholder="Prefix for rename..." 
+              value={bulkPrefix} 
+              onChange={e => setBulkPrefix(e.target.value)} 
+              className="p-1 text-sm border rounded"
+            />
+            <button type="submit" className="text-sm bg-blue-600 text-white px-3 py-1 rounded hover:bg-blue-700">Rename</button>
+          </form>
+          <button 
+            onClick={() => { if(confirm("Delete selected?")) bulkDeleteMutation.mutate(selectedIds) }} 
+            className="text-sm bg-red-600 text-white px-3 py-1 rounded hover:bg-red-700"
+          >
+            Delete
+          </button>
+          <button onClick={() => setSelectedIds([]) className="text-gray-500 hover:text-gray-700"><X size={18} /></button>
+        </div>
+      )}
+
       <div className="overflow-x-auto">
         <table className="w-full text-left border-collapse">
           <thead>
             <tr className="border-b text-gray-500 text-sm">
-              <th className="p-3 w-10">
-                <input type="checkbox" onChange={toggleSelectAll} checked={selectedIds.length === (projects?.length || 0)} />
+              <th className="p-2 w-10">
+                <input type="checkbox" onChange={toggleSelectAll} checked={selectedIds.length === filteredProjects.length && filteredProjects.length > 0} />
               </th>
-              <th className="p-3">Project</th>
-              <th className="p-3">Customer</th>
-              <th className="p-3">Budget</th>
-              <th className="p-3 text-right">Actions</th>
+              <th className="p-2">Project</th>
+              <th className="p-2">Budget</th>
+              <th className="p-2 text-right">Actions</th>
             </tr>
           </thead>
           <tbody>
-            {projects?.map((project: any) => (
-              <tr key={project.id} className="border-b hover:bg-gray-50 transition-colors">
-                <td className="p-3">
+            {filteredProjects.map((project: any) => (
+              <tr 
+                key={project.id} 
+                className={`border-b hover:bg-gray-50 transition-opacity ${project.active === false ? 'opacity-50' : ''}`}
+              >
+                <td className="p-2">
                   <input 
                     type="checkbox" 
                     checked={selectedIds.includes(project.id)} 
                     onChange={() => toggleSelect(project.id)} 
                   />
                 </td>
-                <td className="p-3 font-medium">
-                  <span className="mr-2">{project.icon || "📁"}</span>
-                  {project.name}
+                <td className="p-2">
+                  <div className="flex items-center gap-2">
+                    <span className="text-lg">{project.icon || "📁"}</span>
+                    <span className="font-medium">{project.name}</span>
+                    {project.active === false && <span className="text-xs bg-gray-200 px-1 rounded text-gray-600">Archived</span>}
+                  </div>
                 </td>
-                <td className="p-3 text-gray-600">{project.customer?.name}</td>
-                <td className="p-3">
+                <td className="p-2">
                   {editingProject?.id === project.id ? (
                     <input 
                       type="number" 
-                      className="border rounded px-2 py-1 w-24" 
                       value={editingProject.budget} 
-                      onChange={e => setEditingProject({...editingProject, budget: parseFloat(e.target.value) || 0})} 
+                      onChange={e => setEditingProject({...editingProject, budget: parseFloat(e.target.value)})} 
+                      className="p-1 border rounded w-24"
                     />
                   ) : (
-                    <span>{project.budget || 0}h</span>
+                    `${project.budget || 0}h`
                   )}
                 </td>
-                <td className="p-3 text-right space-x-2">
-                  <button 
-                    onClick={() => setEditingProject({ id: project.id, name: project.name, budget: project.budget || 0 })} 
-                    className="p-1 text-gray-500 hover:text-blue-600"
-                  >
-                    <Edit3 size={16} />
-                  </button>
-                  {editingProject?.id === project.id && (
+                <td className="p-2 text-right">
+                  <div className="flex justify-end gap-2">
                     <button 
-                      onClick={() => updateMutation.mutate({ id: project.id, name: project.name, budget: editingProject.budget })} 
-                      className="p-1 text-green-600"
+                      onClick={() => editingProject?.id === project.id 
+                        ? updateMutation.mutate({ id: project.id, data: { budget: editingProject.budget } }) 
+                        : setEditingProject({ id: project.id, name: project.name, budget: project.budget || 0 })
+                      }
+                      className="p-1 text-gray-600 hover:text-blue-600"
                     >
-                      <Plus size={16} />
+                      {editingProject?.id === project.id ? <X size={16} /> : <Edit3 size={16} />}
                     </button>
-                  )}
-                  <button 
-                    onClick={() => cloneMutation.mutate(project.id)} 
-                    className="p-1 text-gray-500 hover:text-blue-600"
-                  >
-                    <Copy size={16} />
-                  </button>
-                  <button 
-                    onClick={() => deleteMutation.mutate(project.id)} 
-                    className="p-1 text-gray-500 hover:text-red-600"
-                  >
-                    <Trash2 size={16} />
-                  </button>
+                    <button onClick={() => cloneMutation.mutate(project.id)} className="p-1 text-gray-600 hover:text-blue-600">
+                      <Copy size={16} />
+                    </button>
+                    <button 
+                      onClick={() => updateMutation.mutate({ id: project.id, data: { active: project.active === false } })} 
+                      className="p-1 text-gray-600 hover:text-orange-600"
+                      title={project.active === false ? "Restore" : "Archive"}
+                    >
+                      {project.active === false ? <ArchiveRestore size={16} /> : <Archive size={16} />}
+                    </button>
+                    <button onClick={() => { if(confirm("Delete?")) deleteMutation.mutate(project.id) }} className="p-1 text-gray-600 hover:text-red-600">
+                      <Trash2 size={16} />
+                    </button>
+                  </div>
                 </td>
               </tr>
             ))}