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feat: Add Academy, Whistleblower, Incidents SDK modules, pitch-deck, blog and CI/CD config 
- Academy, Whistleblower, Incidents frontend pages with API proxies and types
- Vendor compliance API proxy route
- Go backend handlers and models for all new SDK modules
- Investor pitch-deck app with interactive slides
- Blog section with DSGVO, AI Act, NIS2, glossary articles
- MkDocs documentation site
- CI/CD pipelines (Woodpecker, GitHub Actions), security scanning config
- Planning and implementation documentation

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-13 21:12:16 +01:00

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<h1 id="ocr-labeling-system-spezifikation">OCR-Labeling System Spezifikation<a class="headerlink" href="#ocr-labeling-system-spezifikation" title="Permanent link">&para;</a></h1>
<p><strong>Version:</strong> 1.1.0
<strong>Status:</strong> In Produktion (Mac Mini)</p>
<h2 id="ubersicht">Übersicht<a class="headerlink" href="#ubersicht" title="Permanent link">&para;</a></h2>
<p>Das OCR-Labeling System ermöglicht das Erstellen von Trainingsdaten für Handschrift-OCR-Modelle aus eingescannten Klausuren. Es unterstützt folgende OCR-Modelle:</p>
<table>
<thead>
<tr>
<th>Modell</th>
<th>Beschreibung</th>
<th>Geschwindigkeit</th>
<th>Empfohlen für</th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>llama3.2-vision:11b</strong></td>
<td>Vision-LLM (Standard)</td>
<td>Langsam</td>
<td>Handschrift, beste Qualität</td>
</tr>
<tr>
<td><strong>TrOCR</strong></td>
<td>Microsoft Transformer</td>
<td>Schnell</td>
<td>Gedruckter Text</td>
</tr>
<tr>
<td><strong>PaddleOCR + LLM</strong></td>
<td>Hybrid-Ansatz (NEU)</td>
<td>Sehr schnell (4x)</td>
<td>Gemischte Dokumente</td>
</tr>
<tr>
<td><strong>Donut</strong></td>
<td>Document Understanding (NEU)</td>
<td>Mittel</td>
<td>Tabellen, Formulare</td>
</tr>
<tr>
<td><strong>qwen2.5:14b</strong></td>
<td>Korrektur-LLM</td>
<td>-</td>
<td>Klausurbewertung</td>
</tr>
</tbody>
</table>
<h3 id="neue-ocr-optionen-v110">Neue OCR-Optionen (v1.1.0)<a class="headerlink" href="#neue-ocr-optionen-v110" title="Permanent link">&para;</a></h3>
<h4 id="paddleocr-llm-empfohlen-fur-geschwindigkeit">PaddleOCR + LLM (Empfohlen für Geschwindigkeit)<a class="headerlink" href="#paddleocr-llm-empfohlen-fur-geschwindigkeit" title="Permanent link">&para;</a></h4>
<p>PaddleOCR ist ein zweistufiger Ansatz:
1. <strong>PaddleOCR</strong> - Schnelle, präzise Texterkennung mit Bounding-Boxes
2. <strong>qwen2.5:14b</strong> - Semantische Strukturierung des erkannten Texts</p>
<p><strong>Vorteile:</strong>
- 4x schneller als Vision-LLM (~7-15 Sek vs 30-60 Sek pro Seite)
- Höhere Genauigkeit bei gedrucktem Text (95-99%)
- Weniger Halluzinationen (LLM korrigiert nur, erfindet nicht)
- Position-basierte Spaltenerkennung möglich</p>
<p><strong>Dateien:</strong>
- <code>/klausur-service/backend/hybrid_vocab_extractor.py</code> - PaddleOCR Integration</p>
<h4 id="donut-document-understanding-transformer">Donut (Document Understanding Transformer)<a class="headerlink" href="#donut-document-understanding-transformer" title="Permanent link">&para;</a></h4>
<p>Donut ist speziell für strukturierte Dokumente optimiert:
- Tabellen und Formulare
- Rechnungen und Quittungen
- Multi-Spalten-Layouts</p>
<p><strong>Dateien:</strong>
- <code>/klausur-service/backend/services/donut_ocr_service.py</code> - Donut Service</p>
<h2 id="architektur">Architektur<a class="headerlink" href="#architektur" title="Permanent link">&para;</a></h2>
<div class="highlight"><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a>┌──────────────────────────────────────────────────────────────────────────┐
<a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a>│ OCR-Labeling System │
<a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a>├──────────────────────────────────────────────────────────────────────────┤
<a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a>│ │
<a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a>│ ┌─────────────┐ ┌─────────────────┐ ┌────────────────────────┐ │
<a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a>│ │ Frontend │◄──►│ Klausur-Service │◄──►│ PostgreSQL │ │
<a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a>│ │ (Next.js) │ │ (FastAPI) │ │ - ocr_labeling_sessions│ │
<a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a>│ │ Port 3000 │ │ Port 8086 │ │ - ocr_labeling_items │ │
<a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a>│ └─────────────┘ └────────┬─────────┘ │ - ocr_training_samples │ │
<a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a>│ │ └────────────────────────┘ │
<a id="__codelineno-0-11" name="__codelineno-0-11" href="#__codelineno-0-11"></a>│ │ │
<a id="__codelineno-0-12" name="__codelineno-0-12" href="#__codelineno-0-12"></a>│ ┌──────────┼──────────┐ │
<a id="__codelineno-0-13" name="__codelineno-0-13" href="#__codelineno-0-13"></a>│ ▼ ▼ ▼ │
<a id="__codelineno-0-14" name="__codelineno-0-14" href="#__codelineno-0-14"></a>│ ┌───────────┐ ┌─────────┐ ┌───────────────┐ │
<a id="__codelineno-0-15" name="__codelineno-0-15" href="#__codelineno-0-15"></a>│ │ MinIO │ │ Ollama │ │ Export Service │ │
<a id="__codelineno-0-16" name="__codelineno-0-16" href="#__codelineno-0-16"></a>│ │ (Images) │ │ (OCR) │ │ (Training) │ │
<a id="__codelineno-0-17" name="__codelineno-0-17" href="#__codelineno-0-17"></a>│ │ Port 9000 │ │ :11434 │ │ │ │
<a id="__codelineno-0-18" name="__codelineno-0-18" href="#__codelineno-0-18"></a>│ └───────────┘ └─────────┘ └───────────────┘ │
<a id="__codelineno-0-19" name="__codelineno-0-19" href="#__codelineno-0-19"></a>│ │
<a id="__codelineno-0-20" name="__codelineno-0-20" href="#__codelineno-0-20"></a>└──────────────────────────────────────────────────────────────────────────┘
</code></pre></div>
<h2 id="datenmodell">Datenmodell<a class="headerlink" href="#datenmodell" title="Permanent link">&para;</a></h2>
<h3 id="postgresql-tabellen">PostgreSQL Tabellen<a class="headerlink" href="#postgresql-tabellen" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="c1">-- Labeling Sessions (gruppiert zusammengehörige Bilder)</span>
<a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a><span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="n">ocr_labeling_sessions</span><span class="w"> </span><span class="p">(</span>
<a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a><span class="w"> </span><span class="n">id</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">36</span><span class="p">)</span><span class="w"> </span><span class="k">PRIMARY</span><span class="w"> </span><span class="k">KEY</span><span class="p">,</span>
<a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a><span class="w"> </span><span class="n">name</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">255</span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a><span class="w"> </span><span class="n">source_type</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">50</span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span><span class="w"> </span><span class="c1">-- &#39;klausur&#39;, &#39;handwriting_sample&#39;, &#39;scan&#39;</span>
<a id="__codelineno-1-6" name="__codelineno-1-6" href="#__codelineno-1-6"></a><span class="w"> </span><span class="n">description</span><span class="w"> </span><span class="nb">TEXT</span><span class="p">,</span>
<a id="__codelineno-1-7" name="__codelineno-1-7" href="#__codelineno-1-7"></a><span class="w"> </span><span class="n">ocr_model</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">100</span><span class="p">),</span><span class="w"> </span><span class="c1">-- z.B. &#39;llama3.2-vision:11b&#39;</span>
<a id="__codelineno-1-8" name="__codelineno-1-8" href="#__codelineno-1-8"></a><span class="w"> </span><span class="n">total_items</span><span class="w"> </span><span class="nb">INTEGER</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span>
<a id="__codelineno-1-9" name="__codelineno-1-9" href="#__codelineno-1-9"></a><span class="w"> </span><span class="n">labeled_items</span><span class="w"> </span><span class="nb">INTEGER</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span>
<a id="__codelineno-1-10" name="__codelineno-1-10" href="#__codelineno-1-10"></a><span class="w"> </span><span class="n">confirmed_items</span><span class="w"> </span><span class="nb">INTEGER</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span>
<a id="__codelineno-1-11" name="__codelineno-1-11" href="#__codelineno-1-11"></a><span class="w"> </span><span class="n">corrected_items</span><span class="w"> </span><span class="nb">INTEGER</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span>
<a id="__codelineno-1-12" name="__codelineno-1-12" href="#__codelineno-1-12"></a><span class="w"> </span><span class="n">skipped_items</span><span class="w"> </span><span class="nb">INTEGER</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span>
<a id="__codelineno-1-13" name="__codelineno-1-13" href="#__codelineno-1-13"></a><span class="w"> </span><span class="n">teacher_id</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">100</span><span class="p">),</span>
<a id="__codelineno-1-14" name="__codelineno-1-14" href="#__codelineno-1-14"></a><span class="w"> </span><span class="n">created_at</span><span class="w"> </span><span class="k">TIMESTAMP</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="n">NOW</span><span class="p">()</span>
<a id="__codelineno-1-15" name="__codelineno-1-15" href="#__codelineno-1-15"></a><span class="p">);</span>
<a id="__codelineno-1-16" name="__codelineno-1-16" href="#__codelineno-1-16"></a>
<a id="__codelineno-1-17" name="__codelineno-1-17" href="#__codelineno-1-17"></a><span class="c1">-- Einzelne Labeling Items (Bild + OCR + Ground Truth)</span>
<a id="__codelineno-1-18" name="__codelineno-1-18" href="#__codelineno-1-18"></a><span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="n">ocr_labeling_items</span><span class="w"> </span><span class="p">(</span>
<a id="__codelineno-1-19" name="__codelineno-1-19" href="#__codelineno-1-19"></a><span class="w"> </span><span class="n">id</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">36</span><span class="p">)</span><span class="w"> </span><span class="k">PRIMARY</span><span class="w"> </span><span class="k">KEY</span><span class="p">,</span>
<a id="__codelineno-1-20" name="__codelineno-1-20" href="#__codelineno-1-20"></a><span class="w"> </span><span class="n">session_id</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">36</span><span class="p">)</span><span class="w"> </span><span class="k">REFERENCES</span><span class="w"> </span><span class="n">ocr_labeling_sessions</span><span class="p">(</span><span class="n">id</span><span class="p">),</span>
<a id="__codelineno-1-21" name="__codelineno-1-21" href="#__codelineno-1-21"></a><span class="w"> </span><span class="n">image_path</span><span class="w"> </span><span class="nb">TEXT</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span><span class="w"> </span><span class="c1">-- MinIO Pfad oder lokaler Pfad</span>
<a id="__codelineno-1-22" name="__codelineno-1-22" href="#__codelineno-1-22"></a><span class="w"> </span><span class="n">image_hash</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">64</span><span class="p">),</span><span class="w"> </span><span class="c1">-- SHA256 für Deduplizierung</span>
<a id="__codelineno-1-23" name="__codelineno-1-23" href="#__codelineno-1-23"></a><span class="w"> </span><span class="n">ocr_text</span><span class="w"> </span><span class="nb">TEXT</span><span class="p">,</span><span class="w"> </span><span class="c1">-- Von LLM erkannter Text</span>
<a id="__codelineno-1-24" name="__codelineno-1-24" href="#__codelineno-1-24"></a><span class="w"> </span><span class="n">ocr_confidence</span><span class="w"> </span><span class="nb">FLOAT</span><span class="p">,</span><span class="w"> </span><span class="c1">-- Konfidenz (0-1)</span>
<a id="__codelineno-1-25" name="__codelineno-1-25" href="#__codelineno-1-25"></a><span class="w"> </span><span class="n">ocr_model</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">100</span><span class="p">),</span>
<a id="__codelineno-1-26" name="__codelineno-1-26" href="#__codelineno-1-26"></a><span class="w"> </span><span class="n">ground_truth</span><span class="w"> </span><span class="nb">TEXT</span><span class="p">,</span><span class="w"> </span><span class="c1">-- Korrigierter/bestätigter Text</span>
<a id="__codelineno-1-27" name="__codelineno-1-27" href="#__codelineno-1-27"></a><span class="w"> </span><span class="n">status</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">20</span><span class="p">)</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="s1">&#39;pending&#39;</span><span class="p">,</span><span class="w"> </span><span class="c1">-- pending/confirmed/corrected/skipped</span>
<a id="__codelineno-1-28" name="__codelineno-1-28" href="#__codelineno-1-28"></a><span class="w"> </span><span class="n">labeled_by</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">100</span><span class="p">),</span>
<a id="__codelineno-1-29" name="__codelineno-1-29" href="#__codelineno-1-29"></a><span class="w"> </span><span class="n">labeled_at</span><span class="w"> </span><span class="k">TIMESTAMP</span><span class="p">,</span>
<a id="__codelineno-1-30" name="__codelineno-1-30" href="#__codelineno-1-30"></a><span class="w"> </span><span class="n">label_time_seconds</span><span class="w"> </span><span class="nb">INTEGER</span><span class="p">,</span>
<a id="__codelineno-1-31" name="__codelineno-1-31" href="#__codelineno-1-31"></a><span class="w"> </span><span class="n">metadata</span><span class="w"> </span><span class="n">JSONB</span><span class="p">,</span>
<a id="__codelineno-1-32" name="__codelineno-1-32" href="#__codelineno-1-32"></a><span class="w"> </span><span class="n">created_at</span><span class="w"> </span><span class="k">TIMESTAMP</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="n">NOW</span><span class="p">()</span>
<a id="__codelineno-1-33" name="__codelineno-1-33" href="#__codelineno-1-33"></a><span class="p">);</span>
<a id="__codelineno-1-34" name="__codelineno-1-34" href="#__codelineno-1-34"></a>
<a id="__codelineno-1-35" name="__codelineno-1-35" href="#__codelineno-1-35"></a><span class="c1">-- Exportierte Training Samples</span>
<a id="__codelineno-1-36" name="__codelineno-1-36" href="#__codelineno-1-36"></a><span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="n">ocr_training_samples</span><span class="w"> </span><span class="p">(</span>
<a id="__codelineno-1-37" name="__codelineno-1-37" href="#__codelineno-1-37"></a><span class="w"> </span><span class="n">id</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">36</span><span class="p">)</span><span class="w"> </span><span class="k">PRIMARY</span><span class="w"> </span><span class="k">KEY</span><span class="p">,</span>
<a id="__codelineno-1-38" name="__codelineno-1-38" href="#__codelineno-1-38"></a><span class="w"> </span><span class="n">item_id</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">36</span><span class="p">)</span><span class="w"> </span><span class="k">REFERENCES</span><span class="w"> </span><span class="n">ocr_labeling_items</span><span class="p">(</span><span class="n">id</span><span class="p">),</span>
<a id="__codelineno-1-39" name="__codelineno-1-39" href="#__codelineno-1-39"></a><span class="w"> </span><span class="n">image_path</span><span class="w"> </span><span class="nb">TEXT</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<a id="__codelineno-1-40" name="__codelineno-1-40" href="#__codelineno-1-40"></a><span class="w"> </span><span class="n">ground_truth</span><span class="w"> </span><span class="nb">TEXT</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<a id="__codelineno-1-41" name="__codelineno-1-41" href="#__codelineno-1-41"></a><span class="w"> </span><span class="n">export_format</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">50</span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span><span class="w"> </span><span class="c1">-- &#39;generic&#39;, &#39;trocr&#39;, &#39;llama_vision&#39;</span>
<a id="__codelineno-1-42" name="__codelineno-1-42" href="#__codelineno-1-42"></a><span class="w"> </span><span class="n">exported_at</span><span class="w"> </span><span class="k">TIMESTAMP</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="n">NOW</span><span class="p">(),</span>
<a id="__codelineno-1-43" name="__codelineno-1-43" href="#__codelineno-1-43"></a><span class="w"> </span><span class="n">training_batch</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">100</span><span class="p">),</span>
<a id="__codelineno-1-44" name="__codelineno-1-44" href="#__codelineno-1-44"></a><span class="w"> </span><span class="n">used_in_training</span><span class="w"> </span><span class="nb">BOOLEAN</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="k">FALSE</span>
<a id="__codelineno-1-45" name="__codelineno-1-45" href="#__codelineno-1-45"></a><span class="p">);</span>
</code></pre></div>
<h2 id="api-referenz">API Referenz<a class="headerlink" href="#api-referenz" title="Permanent link">&para;</a></h2>
<p>Base URL: <code>http://macmini:8086/api/v1/ocr-label</code></p>
<h3 id="sessions">Sessions<a class="headerlink" href="#sessions" title="Permanent link">&para;</a></h3>
<h4 id="post-sessions">POST /sessions<a class="headerlink" href="#post-sessions" title="Permanent link">&para;</a></h4>
<p>Neue Labeling-Session erstellen.</p>
<p><strong>Request:</strong>
<div class="highlight"><pre><span></span><code><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a><span class="p">{</span>
<a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a><span class="w"> </span><span class="nt">&quot;name&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;Klausur Deutsch 12a Q1&quot;</span><span class="p">,</span>
<a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a><span class="w"> </span><span class="nt">&quot;source_type&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;klausur&quot;</span><span class="p">,</span>
<a id="__codelineno-2-4" name="__codelineno-2-4" href="#__codelineno-2-4"></a><span class="w"> </span><span class="nt">&quot;description&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;Gedichtanalyse Expressionismus&quot;</span><span class="p">,</span>
<a id="__codelineno-2-5" name="__codelineno-2-5" href="#__codelineno-2-5"></a><span class="w"> </span><span class="nt">&quot;ocr_model&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;llama3.2-vision:11b&quot;</span>
<a id="__codelineno-2-6" name="__codelineno-2-6" href="#__codelineno-2-6"></a><span class="p">}</span>
</code></pre></div></p>
<p><strong>Response:</strong>
<div class="highlight"><pre><span></span><code><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a><span class="p">{</span>
<a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></a><span class="w"> </span><span class="nt">&quot;id&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;abc-123-def&quot;</span><span class="p">,</span>
<a id="__codelineno-3-3" name="__codelineno-3-3" href="#__codelineno-3-3"></a><span class="w"> </span><span class="nt">&quot;name&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;Klausur Deutsch 12a Q1&quot;</span><span class="p">,</span>
<a id="__codelineno-3-4" name="__codelineno-3-4" href="#__codelineno-3-4"></a><span class="w"> </span><span class="nt">&quot;source_type&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;klausur&quot;</span><span class="p">,</span>
<a id="__codelineno-3-5" name="__codelineno-3-5" href="#__codelineno-3-5"></a><span class="w"> </span><span class="nt">&quot;total_items&quot;</span><span class="p">:</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span>
<a id="__codelineno-3-6" name="__codelineno-3-6" href="#__codelineno-3-6"></a><span class="w"> </span><span class="nt">&quot;labeled_items&quot;</span><span class="p">:</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span>
<a id="__codelineno-3-7" name="__codelineno-3-7" href="#__codelineno-3-7"></a><span class="w"> </span><span class="nt">&quot;created_at&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;2026-01-21T10:30:00Z&quot;</span>
<a id="__codelineno-3-8" name="__codelineno-3-8" href="#__codelineno-3-8"></a><span class="p">}</span>
</code></pre></div></p>
<h4 id="get-sessions">GET /sessions<a class="headerlink" href="#get-sessions" title="Permanent link">&para;</a></h4>
<p>Sessions auflisten.</p>
<p><strong>Query Parameter:</strong>
- <code>limit</code> (int, default: 50) - Maximale Anzahl</p>
<h4 id="get-sessionssession_id">GET /sessions/{session_id}<a class="headerlink" href="#get-sessionssession_id" title="Permanent link">&para;</a></h4>
<p>Einzelne Session abrufen.</p>
<h3 id="upload">Upload<a class="headerlink" href="#upload" title="Permanent link">&para;</a></h3>
<h4 id="post-sessionssession_idupload">POST /sessions/{session_id}/upload<a class="headerlink" href="#post-sessionssession_idupload" title="Permanent link">&para;</a></h4>
<p>Bilder zu einer Session hochladen.</p>
<p><strong>Request:</strong> Multipart Form Data
- <code>files</code> (File[]) - PNG/JPG/PDF Dateien
- <code>run_ocr</code> (bool, default: true) - OCR direkt ausführen
- <code>metadata</code> (JSON string) - Optional: Metadaten</p>
<p><strong>Response:</strong>
<div class="highlight"><pre><span></span><code><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a><span class="p">{</span>
<a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a><span class="w"> </span><span class="nt">&quot;session_id&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;abc-123-def&quot;</span><span class="p">,</span>
<a id="__codelineno-4-3" name="__codelineno-4-3" href="#__codelineno-4-3"></a><span class="w"> </span><span class="nt">&quot;uploaded_count&quot;</span><span class="p">:</span><span class="w"> </span><span class="mi">5</span><span class="p">,</span>
<a id="__codelineno-4-4" name="__codelineno-4-4" href="#__codelineno-4-4"></a><span class="w"> </span><span class="nt">&quot;items&quot;</span><span class="p">:</span><span class="w"> </span><span class="p">[</span>
<a id="__codelineno-4-5" name="__codelineno-4-5" href="#__codelineno-4-5"></a><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-4-6" name="__codelineno-4-6" href="#__codelineno-4-6"></a><span class="w"> </span><span class="nt">&quot;id&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;item-1&quot;</span><span class="p">,</span>
<a id="__codelineno-4-7" name="__codelineno-4-7" href="#__codelineno-4-7"></a><span class="w"> </span><span class="nt">&quot;filename&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;scan_001.png&quot;</span><span class="p">,</span>
<a id="__codelineno-4-8" name="__codelineno-4-8" href="#__codelineno-4-8"></a><span class="w"> </span><span class="nt">&quot;image_path&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;ocr-labeling/abc-123/item-1.png&quot;</span><span class="p">,</span>
<a id="__codelineno-4-9" name="__codelineno-4-9" href="#__codelineno-4-9"></a><span class="w"> </span><span class="nt">&quot;ocr_text&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;Die Lösung der Aufgabe...&quot;</span><span class="p">,</span>
<a id="__codelineno-4-10" name="__codelineno-4-10" href="#__codelineno-4-10"></a><span class="w"> </span><span class="nt">&quot;ocr_confidence&quot;</span><span class="p">:</span><span class="w"> </span><span class="mf">0.87</span><span class="p">,</span>
<a id="__codelineno-4-11" name="__codelineno-4-11" href="#__codelineno-4-11"></a><span class="w"> </span><span class="nt">&quot;status&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;pending&quot;</span>
<a id="__codelineno-4-12" name="__codelineno-4-12" href="#__codelineno-4-12"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-4-13" name="__codelineno-4-13" href="#__codelineno-4-13"></a><span class="w"> </span><span class="p">]</span>
<a id="__codelineno-4-14" name="__codelineno-4-14" href="#__codelineno-4-14"></a><span class="p">}</span>
</code></pre></div></p>
<h3 id="labeling-queue">Labeling Queue<a class="headerlink" href="#labeling-queue" title="Permanent link">&para;</a></h3>
<h4 id="get-queue">GET /queue<a class="headerlink" href="#get-queue" title="Permanent link">&para;</a></h4>
<p>Nächste zu labelnde Items abrufen.</p>
<p><strong>Query Parameter:</strong>
- <code>session_id</code> (str, optional) - Nach Session filtern
- <code>status</code> (str, default: "pending") - Status-Filter
- <code>limit</code> (int, default: 10) - Maximale Anzahl</p>
<p><strong>Response:</strong>
<div class="highlight"><pre><span></span><code><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a><span class="p">[</span>
<a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a><span class="w"> </span><span class="nt">&quot;id&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;item-456&quot;</span><span class="p">,</span>
<a id="__codelineno-5-4" name="__codelineno-5-4" href="#__codelineno-5-4"></a><span class="w"> </span><span class="nt">&quot;session_id&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;abc-123&quot;</span><span class="p">,</span>
<a id="__codelineno-5-5" name="__codelineno-5-5" href="#__codelineno-5-5"></a><span class="w"> </span><span class="nt">&quot;session_name&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;Klausur Deutsch&quot;</span><span class="p">,</span>
<a id="__codelineno-5-6" name="__codelineno-5-6" href="#__codelineno-5-6"></a><span class="w"> </span><span class="nt">&quot;image_path&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;/app/ocr-labeling/abc-123/item-456.png&quot;</span><span class="p">,</span>
<a id="__codelineno-5-7" name="__codelineno-5-7" href="#__codelineno-5-7"></a><span class="w"> </span><span class="nt">&quot;image_url&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;/api/v1/ocr-label/images/abc-123/item-456.png&quot;</span><span class="p">,</span>
<a id="__codelineno-5-8" name="__codelineno-5-8" href="#__codelineno-5-8"></a><span class="w"> </span><span class="nt">&quot;ocr_text&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;Erkannter Text...&quot;</span><span class="p">,</span>
<a id="__codelineno-5-9" name="__codelineno-5-9" href="#__codelineno-5-9"></a><span class="w"> </span><span class="nt">&quot;ocr_confidence&quot;</span><span class="p">:</span><span class="w"> </span><span class="mf">0.87</span><span class="p">,</span>
<a id="__codelineno-5-10" name="__codelineno-5-10" href="#__codelineno-5-10"></a><span class="w"> </span><span class="nt">&quot;ground_truth&quot;</span><span class="p">:</span><span class="w"> </span><span class="kc">null</span><span class="p">,</span>
<a id="__codelineno-5-11" name="__codelineno-5-11" href="#__codelineno-5-11"></a><span class="w"> </span><span class="nt">&quot;status&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;pending&quot;</span><span class="p">,</span>
<a id="__codelineno-5-12" name="__codelineno-5-12" href="#__codelineno-5-12"></a><span class="w"> </span><span class="nt">&quot;metadata&quot;</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="nt">&quot;page&quot;</span><span class="p">:</span><span class="w"> </span><span class="mi">1</span><span class="p">}</span>
<a id="__codelineno-5-13" name="__codelineno-5-13" href="#__codelineno-5-13"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-5-14" name="__codelineno-5-14" href="#__codelineno-5-14"></a><span class="p">]</span>
</code></pre></div></p>
<h3 id="labeling-actions">Labeling Actions<a class="headerlink" href="#labeling-actions" title="Permanent link">&para;</a></h3>
<h4 id="post-confirm">POST /confirm<a class="headerlink" href="#post-confirm" title="Permanent link">&para;</a></h4>
<p>OCR-Text als korrekt bestätigen.</p>
<p><strong>Request:</strong>
<div class="highlight"><pre><span></span><code><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a><span class="p">{</span>
<a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a><span class="w"> </span><span class="nt">&quot;item_id&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;item-456&quot;</span><span class="p">,</span>
<a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a><span class="w"> </span><span class="nt">&quot;label_time_seconds&quot;</span><span class="p">:</span><span class="w"> </span><span class="mi">5</span>
<a id="__codelineno-6-4" name="__codelineno-6-4" href="#__codelineno-6-4"></a><span class="p">}</span>
</code></pre></div></p>
<p><strong>Effect:</strong> <code>ground_truth = ocr_text</code>, <code>status = 'confirmed'</code></p>
<h4 id="post-correct">POST /correct<a class="headerlink" href="#post-correct" title="Permanent link">&para;</a></h4>
<p>Ground Truth korrigieren.</p>
<p><strong>Request:</strong>
<div class="highlight"><pre><span></span><code><a id="__codelineno-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a><span class="p">{</span>
<a id="__codelineno-7-2" name="__codelineno-7-2" href="#__codelineno-7-2"></a><span class="w"> </span><span class="nt">&quot;item_id&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;item-456&quot;</span><span class="p">,</span>
<a id="__codelineno-7-3" name="__codelineno-7-3" href="#__codelineno-7-3"></a><span class="w"> </span><span class="nt">&quot;ground_truth&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;Korrigierter Text hier&quot;</span><span class="p">,</span>
<a id="__codelineno-7-4" name="__codelineno-7-4" href="#__codelineno-7-4"></a><span class="w"> </span><span class="nt">&quot;label_time_seconds&quot;</span><span class="p">:</span><span class="w"> </span><span class="mi">15</span>
<a id="__codelineno-7-5" name="__codelineno-7-5" href="#__codelineno-7-5"></a><span class="p">}</span>
</code></pre></div></p>
<p><strong>Effect:</strong> <code>ground_truth = &lt;input&gt;</code>, <code>status = 'corrected'</code></p>
<h4 id="post-skip">POST /skip<a class="headerlink" href="#post-skip" title="Permanent link">&para;</a></h4>
<p>Item überspringen (unbrauchbar).</p>
<p><strong>Request:</strong>
<div class="highlight"><pre><span></span><code><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a><span class="p">{</span>
<a id="__codelineno-8-2" name="__codelineno-8-2" href="#__codelineno-8-2"></a><span class="w"> </span><span class="nt">&quot;item_id&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;item-456&quot;</span>
<a id="__codelineno-8-3" name="__codelineno-8-3" href="#__codelineno-8-3"></a><span class="p">}</span>
</code></pre></div></p>
<p><strong>Effect:</strong> <code>status = 'skipped'</code> (wird nicht exportiert)</p>
<h3 id="statistiken">Statistiken<a class="headerlink" href="#statistiken" title="Permanent link">&para;</a></h3>
<h4 id="get-stats">GET /stats<a class="headerlink" href="#get-stats" title="Permanent link">&para;</a></h4>
<p>Labeling-Statistiken abrufen.</p>
<p><strong>Query Parameter:</strong>
- <code>session_id</code> (str, optional) - Für Session-spezifische Stats</p>
<p><strong>Response:</strong>
<div class="highlight"><pre><span></span><code><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a><span class="p">{</span>
<a id="__codelineno-9-2" name="__codelineno-9-2" href="#__codelineno-9-2"></a><span class="w"> </span><span class="nt">&quot;total_items&quot;</span><span class="p">:</span><span class="w"> </span><span class="mi">100</span><span class="p">,</span>
<a id="__codelineno-9-3" name="__codelineno-9-3" href="#__codelineno-9-3"></a><span class="w"> </span><span class="nt">&quot;labeled_items&quot;</span><span class="p">:</span><span class="w"> </span><span class="mi">75</span><span class="p">,</span>
<a id="__codelineno-9-4" name="__codelineno-9-4" href="#__codelineno-9-4"></a><span class="w"> </span><span class="nt">&quot;confirmed_items&quot;</span><span class="p">:</span><span class="w"> </span><span class="mi">60</span><span class="p">,</span>
<a id="__codelineno-9-5" name="__codelineno-9-5" href="#__codelineno-9-5"></a><span class="w"> </span><span class="nt">&quot;corrected_items&quot;</span><span class="p">:</span><span class="w"> </span><span class="mi">15</span><span class="p">,</span>
<a id="__codelineno-9-6" name="__codelineno-9-6" href="#__codelineno-9-6"></a><span class="w"> </span><span class="nt">&quot;pending_items&quot;</span><span class="p">:</span><span class="w"> </span><span class="mi">25</span><span class="p">,</span>
<a id="__codelineno-9-7" name="__codelineno-9-7" href="#__codelineno-9-7"></a><span class="w"> </span><span class="nt">&quot;accuracy_rate&quot;</span><span class="p">:</span><span class="w"> </span><span class="mf">0.80</span><span class="p">,</span>
<a id="__codelineno-9-8" name="__codelineno-9-8" href="#__codelineno-9-8"></a><span class="w"> </span><span class="nt">&quot;avg_label_time_seconds&quot;</span><span class="p">:</span><span class="w"> </span><span class="mf">8.5</span>
<a id="__codelineno-9-9" name="__codelineno-9-9" href="#__codelineno-9-9"></a><span class="p">}</span>
</code></pre></div></p>
<h3 id="training-export">Training Export<a class="headerlink" href="#training-export" title="Permanent link">&para;</a></h3>
<h4 id="post-export">POST /export<a class="headerlink" href="#post-export" title="Permanent link">&para;</a></h4>
<p>Trainingsdaten exportieren.</p>
<p><strong>Request:</strong>
<div class="highlight"><pre><span></span><code><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a><span class="p">{</span>
<a id="__codelineno-10-2" name="__codelineno-10-2" href="#__codelineno-10-2"></a><span class="w"> </span><span class="nt">&quot;export_format&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;trocr&quot;</span><span class="p">,</span>
<a id="__codelineno-10-3" name="__codelineno-10-3" href="#__codelineno-10-3"></a><span class="w"> </span><span class="nt">&quot;session_id&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;abc-123&quot;</span><span class="p">,</span>
<a id="__codelineno-10-4" name="__codelineno-10-4" href="#__codelineno-10-4"></a><span class="w"> </span><span class="nt">&quot;batch_id&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;batch_20260121&quot;</span>
<a id="__codelineno-10-5" name="__codelineno-10-5" href="#__codelineno-10-5"></a><span class="p">}</span>
</code></pre></div></p>
<p><strong>Export Formate:</strong></p>
<table>
<thead>
<tr>
<th>Format</th>
<th>Beschreibung</th>
<th>Output</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>generic</code></td>
<td>Allgemeines JSONL</td>
<td><code>{"id", "image_path", "ground_truth", ...}</code></td>
</tr>
<tr>
<td><code>trocr</code></td>
<td>Microsoft TrOCR</td>
<td><code>{"file_name", "text", "id"}</code></td>
</tr>
<tr>
<td><code>llama_vision</code></td>
<td>Llama 3.2 Vision</td>
<td>OpenAI-style Messages mit image_url</td>
</tr>
</tbody>
</table>
<p><strong>Response:</strong>
<div class="highlight"><pre><span></span><code><a id="__codelineno-11-1" name="__codelineno-11-1" href="#__codelineno-11-1"></a><span class="p">{</span>
<a id="__codelineno-11-2" name="__codelineno-11-2" href="#__codelineno-11-2"></a><span class="w"> </span><span class="nt">&quot;export_format&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;trocr&quot;</span><span class="p">,</span>
<a id="__codelineno-11-3" name="__codelineno-11-3" href="#__codelineno-11-3"></a><span class="w"> </span><span class="nt">&quot;batch_id&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;batch_20260121&quot;</span><span class="p">,</span>
<a id="__codelineno-11-4" name="__codelineno-11-4" href="#__codelineno-11-4"></a><span class="w"> </span><span class="nt">&quot;exported_count&quot;</span><span class="p">:</span><span class="w"> </span><span class="mi">75</span><span class="p">,</span>
<a id="__codelineno-11-5" name="__codelineno-11-5" href="#__codelineno-11-5"></a><span class="w"> </span><span class="nt">&quot;export_path&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;/app/ocr-exports/trocr/batch_20260121&quot;</span><span class="p">,</span>
<a id="__codelineno-11-6" name="__codelineno-11-6" href="#__codelineno-11-6"></a><span class="w"> </span><span class="nt">&quot;manifest_path&quot;</span><span class="p">:</span><span class="w"> </span><span class="s2">&quot;/app/ocr-exports/trocr/batch_20260121/manifest.json&quot;</span><span class="p">,</span>
<a id="__codelineno-11-7" name="__codelineno-11-7" href="#__codelineno-11-7"></a><span class="w"> </span><span class="nt">&quot;samples&quot;</span><span class="p">:</span><span class="w"> </span><span class="p">[</span><span class="err">...</span><span class="p">]</span>
<a id="__codelineno-11-8" name="__codelineno-11-8" href="#__codelineno-11-8"></a><span class="p">}</span>
</code></pre></div></p>
<h4 id="get-exports">GET /exports<a class="headerlink" href="#get-exports" title="Permanent link">&para;</a></h4>
<p>Verfügbare Exports auflisten.</p>
<p><strong>Query Parameter:</strong>
- <code>export_format</code> (str, optional) - Nach Format filtern</p>
<h2 id="export-formate-im-detail">Export Formate im Detail<a class="headerlink" href="#export-formate-im-detail" title="Permanent link">&para;</a></h2>
<h3 id="trocr-format">TrOCR Format<a class="headerlink" href="#trocr-format" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-12-1" name="__codelineno-12-1" href="#__codelineno-12-1"></a>batch_20260121/
<a id="__codelineno-12-2" name="__codelineno-12-2" href="#__codelineno-12-2"></a>├── manifest.json
<a id="__codelineno-12-3" name="__codelineno-12-3" href="#__codelineno-12-3"></a>├── train.jsonl
<a id="__codelineno-12-4" name="__codelineno-12-4" href="#__codelineno-12-4"></a>└── images/
<a id="__codelineno-12-5" name="__codelineno-12-5" href="#__codelineno-12-5"></a> ├── item-1.png
<a id="__codelineno-12-6" name="__codelineno-12-6" href="#__codelineno-12-6"></a> └── item-2.png
</code></pre></div>
<p><strong>train.jsonl:</strong>
<div class="highlight"><pre><span></span><code><a id="__codelineno-13-1" name="__codelineno-13-1" href="#__codelineno-13-1"></a>{&quot;file_name&quot;: &quot;images/item-1.png&quot;, &quot;text&quot;: &quot;Ground truth text&quot;, &quot;id&quot;: &quot;item-1&quot;}
<a id="__codelineno-13-2" name="__codelineno-13-2" href="#__codelineno-13-2"></a>{&quot;file_name&quot;: &quot;images/item-2.png&quot;, &quot;text&quot;: &quot;Another text&quot;, &quot;id&quot;: &quot;item-2&quot;}
</code></pre></div></p>
<h3 id="llama-vision-format">Llama Vision Format<a class="headerlink" href="#llama-vision-format" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-14-1" name="__codelineno-14-1" href="#__codelineno-14-1"></a>{
<a id="__codelineno-14-2" name="__codelineno-14-2" href="#__codelineno-14-2"></a> &quot;id&quot;: &quot;item-1&quot;,
<a id="__codelineno-14-3" name="__codelineno-14-3" href="#__codelineno-14-3"></a> &quot;messages&quot;: [
<a id="__codelineno-14-4" name="__codelineno-14-4" href="#__codelineno-14-4"></a> {&quot;role&quot;: &quot;system&quot;, &quot;content&quot;: &quot;Du bist ein OCR-Experte für deutsche Handschrift...&quot;},
<a id="__codelineno-14-5" name="__codelineno-14-5" href="#__codelineno-14-5"></a> {&quot;role&quot;: &quot;user&quot;, &quot;content&quot;: [
<a id="__codelineno-14-6" name="__codelineno-14-6" href="#__codelineno-14-6"></a> {&quot;type&quot;: &quot;image_url&quot;, &quot;image_url&quot;: {&quot;url&quot;: &quot;images/item-1.png&quot;}},
<a id="__codelineno-14-7" name="__codelineno-14-7" href="#__codelineno-14-7"></a> {&quot;type&quot;: &quot;text&quot;, &quot;text&quot;: &quot;Lies den handgeschriebenen Text in diesem Bild.&quot;}
<a id="__codelineno-14-8" name="__codelineno-14-8" href="#__codelineno-14-8"></a> ]},
<a id="__codelineno-14-9" name="__codelineno-14-9" href="#__codelineno-14-9"></a> {&quot;role&quot;: &quot;assistant&quot;, &quot;content&quot;: &quot;Ground truth text&quot;}
<a id="__codelineno-14-10" name="__codelineno-14-10" href="#__codelineno-14-10"></a> ]
<a id="__codelineno-14-11" name="__codelineno-14-11" href="#__codelineno-14-11"></a>}
</code></pre></div>
<h3 id="generic-format">Generic Format<a class="headerlink" href="#generic-format" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-15-1" name="__codelineno-15-1" href="#__codelineno-15-1"></a>{
<a id="__codelineno-15-2" name="__codelineno-15-2" href="#__codelineno-15-2"></a> &quot;id&quot;: &quot;item-1&quot;,
<a id="__codelineno-15-3" name="__codelineno-15-3" href="#__codelineno-15-3"></a> &quot;image_path&quot;: &quot;images/item-1.png&quot;,
<a id="__codelineno-15-4" name="__codelineno-15-4" href="#__codelineno-15-4"></a> &quot;ground_truth&quot;: &quot;Ground truth text&quot;,
<a id="__codelineno-15-5" name="__codelineno-15-5" href="#__codelineno-15-5"></a> &quot;ocr_text&quot;: &quot;OCR recognized text&quot;,
<a id="__codelineno-15-6" name="__codelineno-15-6" href="#__codelineno-15-6"></a> &quot;ocr_confidence&quot;: 0.87,
<a id="__codelineno-15-7" name="__codelineno-15-7" href="#__codelineno-15-7"></a> &quot;metadata&quot;: {&quot;page&quot;: 1, &quot;session&quot;: &quot;Deutsch 12a&quot;}
<a id="__codelineno-15-8" name="__codelineno-15-8" href="#__codelineno-15-8"></a>}
</code></pre></div>
<h2 id="frontend-integration">Frontend Integration<a class="headerlink" href="#frontend-integration" title="Permanent link">&para;</a></h2>
<p>Die OCR-Labeling UI ist unter <code>/admin/ocr-labeling</code> verfügbar.</p>
<h3 id="keyboard-shortcuts">Keyboard Shortcuts<a class="headerlink" href="#keyboard-shortcuts" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>Taste</th>
<th>Aktion</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>Enter</code></td>
<td>Bestätigen (OCR korrekt)</td>
</tr>
<tr>
<td><code>Tab</code></td>
<td>Ins Korrekturfeld springen</td>
</tr>
<tr>
<td><code>Escape</code></td>
<td>Überspringen</td>
</tr>
<tr>
<td><code>←</code> / <code>→</code></td>
<td>Navigation (Prev/Next)</td>
</tr>
</tbody>
</table>
<h3 id="workflow">Workflow<a class="headerlink" href="#workflow" title="Permanent link">&para;</a></h3>
<ol>
<li><strong>Session erstellen</strong> - Name, Typ, OCR-Modell wählen</li>
<li><strong>Bilder hochladen</strong> - Drag &amp; Drop oder File-Browser</li>
<li><strong>Labeling durchführen</strong> - Bild + OCR-Text vergleichen</li>
<li>Korrekt → Bestätigen (Enter)</li>
<li>Falsch → Korrigieren + Speichern</li>
<li>Unbrauchbar → Überspringen</li>
<li><strong>Export</strong> - Format wählen (TrOCR, Llama Vision, Generic)</li>
<li><strong>Training starten</strong> - Export-Ordner für Fine-Tuning nutzen</li>
</ol>
<h2 id="umgebungsvariablen">Umgebungsvariablen<a class="headerlink" href="#umgebungsvariablen" title="Permanent link">&para;</a></h2>
<div class="highlight"><pre><span></span><code><a id="__codelineno-16-1" name="__codelineno-16-1" href="#__codelineno-16-1"></a><span class="c1"># PostgreSQL</span>
<a id="__codelineno-16-2" name="__codelineno-16-2" href="#__codelineno-16-2"></a><span class="nv">DATABASE_URL</span><span class="o">=</span>postgres://user:pass@postgres:5432/breakpilot_db
<a id="__codelineno-16-3" name="__codelineno-16-3" href="#__codelineno-16-3"></a>
<a id="__codelineno-16-4" name="__codelineno-16-4" href="#__codelineno-16-4"></a><span class="c1"># MinIO (S3-kompatibel)</span>
<a id="__codelineno-16-5" name="__codelineno-16-5" href="#__codelineno-16-5"></a><span class="nv">MINIO_ENDPOINT</span><span class="o">=</span>minio:9000
<a id="__codelineno-16-6" name="__codelineno-16-6" href="#__codelineno-16-6"></a><span class="nv">MINIO_ACCESS_KEY</span><span class="o">=</span>breakpilot
<a id="__codelineno-16-7" name="__codelineno-16-7" href="#__codelineno-16-7"></a><span class="nv">MINIO_SECRET_KEY</span><span class="o">=</span>breakpilot123
<a id="__codelineno-16-8" name="__codelineno-16-8" href="#__codelineno-16-8"></a><span class="nv">MINIO_BUCKET</span><span class="o">=</span>breakpilot-rag
<a id="__codelineno-16-9" name="__codelineno-16-9" href="#__codelineno-16-9"></a><span class="nv">MINIO_SECURE</span><span class="o">=</span><span class="nb">false</span>
<a id="__codelineno-16-10" name="__codelineno-16-10" href="#__codelineno-16-10"></a>
<a id="__codelineno-16-11" name="__codelineno-16-11" href="#__codelineno-16-11"></a><span class="c1"># Ollama (Vision-LLM)</span>
<a id="__codelineno-16-12" name="__codelineno-16-12" href="#__codelineno-16-12"></a><span class="nv">OLLAMA_BASE_URL</span><span class="o">=</span>http://host.docker.internal:11434
<a id="__codelineno-16-13" name="__codelineno-16-13" href="#__codelineno-16-13"></a><span class="nv">OLLAMA_VISION_MODEL</span><span class="o">=</span>llama3.2-vision:11b
<a id="__codelineno-16-14" name="__codelineno-16-14" href="#__codelineno-16-14"></a><span class="nv">OLLAMA_CORRECTION_MODEL</span><span class="o">=</span>qwen2.5:14b
<a id="__codelineno-16-15" name="__codelineno-16-15" href="#__codelineno-16-15"></a>
<a id="__codelineno-16-16" name="__codelineno-16-16" href="#__codelineno-16-16"></a><span class="c1"># Export</span>
<a id="__codelineno-16-17" name="__codelineno-16-17" href="#__codelineno-16-17"></a><span class="nv">OCR_EXPORT_PATH</span><span class="o">=</span>/app/ocr-exports
<a id="__codelineno-16-18" name="__codelineno-16-18" href="#__codelineno-16-18"></a><span class="nv">OCR_STORAGE_PATH</span><span class="o">=</span>/app/ocr-labeling
</code></pre></div>
<h2 id="sicherheit-datenschutz">Sicherheit &amp; Datenschutz<a class="headerlink" href="#sicherheit-datenschutz" title="Permanent link">&para;</a></h2>
<ul>
<li><strong>100% Lokale Verarbeitung</strong> - Alle Daten bleiben auf dem Mac Mini</li>
<li><strong>Keine Cloud-Uploads</strong> - Ollama läuft vollständig offline</li>
<li><strong>DSGVO-konform</strong> - Keine Schülerdaten verlassen das Schulnetzwerk</li>
<li><strong>Deduplizierung</strong> - SHA256-Hash verhindert doppelte Bilder</li>
</ul>
<h2 id="dateien">Dateien<a class="headerlink" href="#dateien" title="Permanent link">&para;</a></h2>
<table>
<thead>
<tr>
<th>Datei</th>
<th>Beschreibung</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>klausur-service/backend/ocr_labeling_api.py</code></td>
<td>FastAPI Router mit OCR Model Dispatcher</td>
</tr>
<tr>
<td><code>klausur-service/backend/training_export_service.py</code></td>
<td>Export-Service für TrOCR/Llama</td>
</tr>
<tr>
<td><code>klausur-service/backend/metrics_db.py</code></td>
<td>PostgreSQL CRUD Funktionen</td>
</tr>
<tr>
<td><code>klausur-service/backend/minio_storage.py</code></td>
<td>MinIO OCR-Image Storage</td>
</tr>
<tr>
<td><code>klausur-service/backend/hybrid_vocab_extractor.py</code></td>
<td>PaddleOCR Integration</td>
</tr>
<tr>
<td><code>klausur-service/backend/services/donut_ocr_service.py</code></td>
<td>Donut OCR Service (NEU)</td>
</tr>
<tr>
<td><code>klausur-service/backend/services/trocr_service.py</code></td>
<td>TrOCR Service (NEU)</td>
</tr>
<tr>
<td><code>website/app/admin/ocr-labeling/page.tsx</code></td>
<td>Frontend UI mit Model-Auswahl</td>
</tr>
<tr>
<td><code>website/app/admin/ocr-labeling/types.ts</code></td>
<td>TypeScript Interfaces inkl. OCRModel Type</td>
</tr>
</tbody>
</table>
<h2 id="tests">Tests<a class="headerlink" href="#tests" title="Permanent link">&para;</a></h2>
<div class="highlight"><pre><span></span><code><a id="__codelineno-17-1" name="__codelineno-17-1" href="#__codelineno-17-1"></a><span class="c1"># Backend-Tests ausführen</span>
<a id="__codelineno-17-2" name="__codelineno-17-2" href="#__codelineno-17-2"></a><span class="nb">cd</span><span class="w"> </span>klausur-service/backend
<a id="__codelineno-17-3" name="__codelineno-17-3" href="#__codelineno-17-3"></a>pytest<span class="w"> </span>tests/test_ocr_labeling.py<span class="w"> </span>-v
<a id="__codelineno-17-4" name="__codelineno-17-4" href="#__codelineno-17-4"></a>
<a id="__codelineno-17-5" name="__codelineno-17-5" href="#__codelineno-17-5"></a><span class="c1"># Mit Coverage</span>
<a id="__codelineno-17-6" name="__codelineno-17-6" href="#__codelineno-17-6"></a>pytest<span class="w"> </span>tests/test_ocr_labeling.py<span class="w"> </span>--cov<span class="o">=</span>.<span class="w"> </span>--cov-report<span class="o">=</span>html
</code></pre></div>
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