Merge branch 'feat/footer-share-ci' into dev

CI keeps the 'test once per code state' plan but records commit and
git tree as image labels instead of extra :sha-/:tree- tags, so the
registry only holds dev, latest, vX.Y.Z and stable; the plan test now
asserts the expected decisions.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

frontend/src/App.tsx

@@ -65,6 +65,9 @@ import { useMobileActions } from './context/MobileActionContext';
 import { MobileHeaderMenu } from './components/MobileHeaderMenu';
 import { UserAvatar } from './components/UserAvatar';
 import { CommandPalette } from './components/CommandPalette';
+import { AppFooter } from './components/AppFooter';
+import { AboutModal } from './components/AboutModal';
+import { consumePendingShares, formatSharedThought } from './lib/shareTarget';
 import { APP_VERSION } from './version';
 
 type ActiveTab =
@@ -170,6 +173,7 @@ export const App: React.FC = () => {
 
   // Profile Dropdown State
   const [showProfileMenu, setShowProfileMenu] = useState(false);
+  const [showAbout, setShowAbout] = useState(false);
   const dropdownRef = useRef<HTMLDivElement | null>(null);
 
   // Mobile Navigation & Quick-Action State
@@ -552,6 +556,46 @@ export const App: React.FC = () => {
     );
   }, [authStatus.demoMode, authStatus.demoResetInSeconds]);
 
+  // Web Share Target: import shared thoughts from external apps
+  useEffect(() => {
+    if (!user) return;
+    const params = new URLSearchParams(window.location.search);
+    const hasPendingShare = params.get('shared') === 'pending';
+
+    const processShares = async () => {
+      try {
+        const shares = await consumePendingShares();
+        if (shares.length === 0) return;
+
+        let importedCount = 0;
+        for (const share of shares) {
+          const content = formatSharedThought(share);
+          if (content) {
+            await api.captureThought(content, 'normal', 'manual', '', { target: 'inbox' });
+            importedCount++;
+          }
+        }
+
+        if (importedCount > 0) {
+          triggerHaptic(15);
+          setDemoNotice('Erfolgreich im Quick Dump abgelegt');
+          setTimeout(() => setDemoNotice(null), 4000);
+          refreshAll();
+        }
+      } catch (err) {
+        console.error('Fehler beim Import geteilter Daten:', err);
+      } finally {
+        if (hasPendingShare) {
+          const url = new URL(window.location.href);
+          url.searchParams.delete('shared');
+          window.history.replaceState({}, '', url.pathname + (url.search ? url.search : '') + url.hash);
+        }
+      }
+    };
+
+    processShares();
+  }, [user, refreshAll]);
+
   // The demo database was reset: drop cached answers of the old data, remount the views (they load
   // fresh data), refresh counters and the countdown. Sessions stay valid (fixed demo account IDs).
   const handleDemoReset = useCallback(() => {
@@ -1119,8 +1163,8 @@ export const App: React.FC = () => {
       {/* Main Container */}
       {/* The workspace fills the window exactly and scrolls only inside the note, never the page */}
       <main
-        className={`flex-1 max-w-6xl w-full mx-auto px-3 sm:px-4 pt-3 pb-24 sm:pb-6 ${
-          activeTab === 'workspace' ? 'min-h-0 flex flex-col' : ''
+        className={`flex-1 max-w-6xl w-full mx-auto px-3 sm:px-4 pt-3 pb-24 ${
+          activeTab === 'workspace' ? 'min-h-0 flex flex-col sm:pb-0' : 'sm:pb-6'
         }`}
       >
         <ViewErrorBoundary onReset={() => setActiveTab('triage')}>
@@ -1202,6 +1246,11 @@ export const App: React.FC = () => {
         </ViewErrorBoundary>
       </main>
 
+      <AppFooter
+        legal={authStatus.legal}
+        onOpenAbout={() => setShowAbout(true)}
+      />
+
       {/* MOBILE BOTTOM NAVIGATION BAR (5 equal columns -> + FAB is dead-center) */}
       <nav className="sm:hidden fixed bottom-0 left-0 right-0 z-40 bg-panel/95 backdrop-blur-md border-t border-border px-2 pt-1.5 pb-[calc(0.5rem+env(safe-area-inset-bottom))] grid grid-cols-5 items-center shadow-panel">
         {/* Col 1: Triage */}
@@ -1594,6 +1643,19 @@ export const App: React.FC = () => {
                 <span>Hilfe & Anleitung</span>
               </button>
 
+              <button
+                type="button"
+                onClick={() => {
+                  triggerHaptic(10);
+                  setShowMobileProfile(false);
+                  setShowAbout(true);
+                }}
+                className="w-full px-3 py-2.5 rounded-btn text-left flex items-center gap-3 hover:bg-panel-elevated transition-colors text-xs cursor-pointer text-main"
+              >
+                <Brain className="w-4 h-4 text-accent" />
+                <span>Über MindSift</span>
+              </button>
+
               {isServerAdmin && (
                 <button
                   type="button"
@@ -1626,6 +1688,11 @@ export const App: React.FC = () => {
                 <span>Abmelden</span>
               </button>
             </div>
+
+            {/* Version & About Hint on Mobile */}
+            <div className="pt-2 text-center text-[10px] text-faint font-mono">
+              MindSift {APP_VERSION}
+            </div>
           </div>
         </div>
       )}
@@ -1725,6 +1792,8 @@ export const App: React.FC = () => {
         onOpenTask={handleOpenTask}
         onOpenList={handleOpenList}
       />
+
+      {showAbout && <AboutModal onClose={() => setShowAbout(false)} />}
     </div>
   );
 };

frontend/src/components/AppFooter.tsx

@@ -0,0 +1,45 @@
+import React from 'react';
+import { AuthStatus } from '../lib/types';
+import { APP_VERSION } from '../version';
+import { LegalLinks } from './LegalLinks';
+
+interface AppFooterProps {
+  legal?: AuthStatus['legal'];
+  onOpenAbout: () => void;
+}
+
+export const AppFooter: React.FC<AppFooterProps> = ({ legal, onOpenAbout }) => {
+  return (
+    <footer className="hidden sm:flex shrink-0 w-full max-w-6xl mx-auto px-4 py-2 items-center justify-between text-[11px] text-faint border-t border-border/40 select-none">
+      <div className="flex items-center gap-3">
+        <button
+          type="button"
+          onClick={onOpenAbout}
+          className="font-semibold text-muted hover:text-main transition-colors cursor-pointer"
+        >
+          MindSift
+        </button>
+        <button
+          type="button"
+          onClick={onOpenAbout}
+          className="font-mono hover:text-main transition-colors cursor-pointer"
+          title="Über MindSift & Versionsdetails"
+        >
+          {APP_VERSION}
+        </button>
+        <span className="text-border">·</span>
+        <button
+          type="button"
+          onClick={onOpenAbout}
+          className="hover:text-main transition-colors cursor-pointer underline-offset-2 hover:underline"
+        >
+          Über MindSift
+        </button>
+      </div>
+
+      <div className="flex items-center gap-3">
+        <LegalLinks legal={legal} className="!text-faint gap-3" />
+      </div>
+    </footer>
+  );
+};

frontend/src/components/LegalLinks.tsx

@@ -28,7 +28,9 @@ export const LegalLinks: React.FC<LegalLinksProps> = ({ legal, className = '', c
     }))
     .filter((e) => e.url || e.hasContent);
 
-  if (entries.length === 0 && !children) return null;
+  const customHref = legal?.customLinkUrl && safeHref(legal.customLinkUrl);
+
+  if (entries.length === 0 && !children && !customHref) return null;
 
   const openText = async (type: LegalType) => {
     setError(null);
@@ -52,6 +54,16 @@ export const LegalLinks: React.FC<LegalLinksProps> = ({ legal, className = '', c
           </button>
         )
       )}
+      {customHref && (
+        <a
+          href={customHref as string}
+          target="_blank"
+          rel="noopener noreferrer"
+          className="hover:text-main underline-offset-2 hover:underline"
+        >
+          {legal?.customLinkLabel || legal?.customLinkUrl}
+        </a>
+      )}
       {children}
       {error && <span className="text-status-err">{error}</span>}
       {open && (

frontend/src/lib/__tests__/shareTarget.test.ts

@@ -0,0 +1,87 @@
+import { describe, it, expect } from 'vitest';
+import { formatSharedThought } from '../shareTarget';
+
+describe('formatSharedThought', () => {
+  it('formats pure text correctly', () => {
+    expect(formatSharedThought({ text: 'Spontaner Einfall' })).toBe('Spontaner Einfall');
+  });
+
+  it('formats pure url correctly', () => {
+    expect(formatSharedThought({ url: 'https://example.com/article' })).toBe('https://example.com/article');
+  });
+
+  it('combines title and url when text is empty', () => {
+    expect(formatSharedThought({ title: 'Toller Artikel', url: 'https://example.com/article' }))
+      .toBe('Toller Artikel\nhttps://example.com/article');
+  });
+
+  it('does not duplicate URL when text already contains it', () => {
+    const input = {
+      title: 'Artikel',
+      text: 'Lies das hier: https://example.com/article unbedingt!',
+      url: 'https://example.com/article',
+    };
+    expect(formatSharedThought(input))
+      .toBe('Artikel\nLies das hier: https://example.com/article unbedingt!');
+  });
+
+  it('does not duplicate URL when text is exactly the URL', () => {
+    const input = {
+      title: 'News',
+      text: 'https://news.example.com',
+      url: 'https://news.example.com',
+    };
+    expect(formatSharedThought(input))
+      .toBe('News\nhttps://news.example.com');
+  });
+
+  it('does not duplicate title if text starts with title', () => {
+    const input = {
+      title: 'MindSift Update',
+      text: 'MindSift Update ist jetzt verfügbar.',
+    };
+    expect(formatSharedThought(input))
+      .toBe('MindSift Update ist jetzt verfügbar.');
+  });
+
+  it('combines title, text and distinct URL', () => {
+    const input = {
+      title: 'Empfehlung',
+      text: 'Ein großartiges Tool für schnelles Erfassen.',
+      url: 'https://mindsift.app',
+    };
+    expect(formatSharedThought(input))
+      .toBe('Empfehlung\nEin großartiges Tool für schnelles Erfassen.\nhttps://mindsift.app');
+  });
+
+  it('handles image with text', () => {
+    const input = {
+      title: 'Foto vom Ausflug',
+      fileName: 'berge.jpg',
+      hasMedia: true,
+    };
+    expect(formatSharedThought(input))
+      .toBe('Foto vom Ausflug\n(Bild geteilt – Bilder im Posteingang werden noch nicht unterstützt)');
+  });
+
+  it('handles image only with filename', () => {
+    const input = {
+      fileName: 'screenshot.png',
+      hasMedia: true,
+    };
+    expect(formatSharedThought(input))
+      .toBe('[screenshot.png] (Bild geteilt – Bilder im Posteingang werden noch nicht unterstützt)');
+  });
+
+  it('handles image only without filename', () => {
+    const input = {
+      hasMedia: true,
+    };
+    expect(formatSharedThought(input))
+      .toBe('(Bild geteilt – Bilder im Posteingang werden noch nicht unterstützt)');
+  });
+
+  it('returns empty string if nothing is provided', () => {
+    expect(formatSharedThought({})).toBe('');
+  });
+});

frontend/src/lib/shareTarget.ts

@@ -0,0 +1,117 @@
+export interface SharedData {
+  id?: number;
+  title?: string;
+  text?: string;
+  url?: string;
+  fileName?: string;
+  hasMedia?: boolean;
+  createdAt?: number;
+}
+
+const SHARE_DB_NAME = 'mindsift-share-target';
+const SHARE_STORE_NAME = 'shared_items';
+
+/**
+ * Combines title, text, url and media note into a single thought string.
+ * Ensures URLs are not duplicated if already present in the shared text or title.
+ */
+export function formatSharedThought(share: SharedData): string {
+  const title = (share.title || '').trim();
+  const text = (share.text || '').trim();
+  const url = (share.url || '').trim();
+  const mediaNote = '(Bild geteilt – Bilder im Posteingang werden noch nicht unterstützt)';
+
+  let content = '';
+
+  // Check if url is already contained in text or title
+  const urlInText = url !== '' && text.includes(url);
+  const urlInTitle = url !== '' && title.includes(url);
+
+  // Combine title and text
+  if (title && text) {
+    if (text === title) {
+      content = text;
+    } else if (text.startsWith(title)) {
+      content = text;
+    } else {
+      content = `${title}\n${text}`;
+    }
+  } else if (title) {
+    content = title;
+  } else if (text) {
+    content = text;
+  }
+
+  // Append URL if not already included in text or title
+  if (url && !urlInText && !urlInTitle) {
+    if (content) {
+      content = `${content}\n${url}`;
+    } else {
+      content = url;
+    }
+  }
+
+  // Media note handling
+  if (share.hasMedia || share.fileName) {
+    if (content) {
+      content = `${content}\n${mediaNote}`;
+    } else if (share.fileName) {
+      content = `[${share.fileName}] ${mediaNote}`;
+    } else {
+      content = mediaNote;
+    }
+  }
+
+  return content.trim();
+}
+
+/**
+ * Retrieves and removes all pending shared items stored in IndexedDB by the Service Worker.
+ */
+export async function consumePendingShares(): Promise<SharedData[]> {
+  if (typeof indexedDB === 'undefined') return [];
+
+  return new Promise((resolve) => {
+    try {
+      const req = indexedDB.open(SHARE_DB_NAME, 1);
+      req.onupgradeneeded = () => {
+        const db = req.result;
+        if (!db.objectStoreNames.contains(SHARE_STORE_NAME)) {
+          db.createObjectStore(SHARE_STORE_NAME, { autoIncrement: true, keyPath: 'id' });
+        }
+      };
+      req.onsuccess = () => {
+        const db = req.result;
+        if (!db.objectStoreNames.contains(SHARE_STORE_NAME)) {
+          db.close();
+          return resolve([]);
+        }
+
+        const tx = db.transaction(SHARE_STORE_NAME, 'readwrite');
+        const store = tx.objectStore(SHARE_STORE_NAME);
+        const getAllReq = store.getAll();
+
+        getAllReq.onsuccess = () => {
+          const items: SharedData[] = getAllReq.result || [];
+          store.clear();
+          tx.oncomplete = () => {
+            db.close();
+            resolve(items);
+          };
+          tx.onerror = () => {
+            db.close();
+            resolve(items);
+          };
+        };
+
+        getAllReq.onerror = () => {
+          db.close();
+          resolve([]);
+        };
+      };
+      req.onerror = () => resolve([]);
+    } catch {
+      resolve([]);
+    }
+  });
+}

frontend/src/lib/types.ts

@@ -20,6 +20,8 @@ export interface AuthStatus {
     hasImprintContent?: boolean;
     privacyUrl?: string;
     hasPrivacyContent?: boolean;
+    customLinkLabel?: string;
+    customLinkUrl?: string;
   };
   // Voice input: own Whisper server, the browser's recognition, or switched off (STT_* environment)
   voice?: { mode: VoiceMode; maxSeconds: number };