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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="byoeh-bring-your-own-expectation-horizon-architecture-documentation">BYOEH (Bring-Your-Own-Expectation-Horizon) - Architecture Documentation<a class="headerlink" href="#byoeh-bring-your-own-expectation-horizon-architecture-documentation" title="Permanent link">&para;</a></h1>
<h2 id="overview">Overview<a class="headerlink" href="#overview" title="Permanent link">&para;</a></h2>
<p>The BYOEH module enables teachers to upload their own Erwartungshorizonte (expectation horizons/grading rubrics) and use them for RAG-assisted grading suggestions. Key design principles:</p>
<ul>
<li><strong>Tenant Isolation</strong>: Each teacher/school has an isolated namespace</li>
<li><strong>No Training Guarantee</strong>: EH content is only used for RAG, never for model training</li>
<li><strong>Operator Blindness</strong>: Client-side encryption ensures Breakpilot cannot view plaintext</li>
<li><strong>Rights Confirmation</strong>: Required legal acknowledgment at upload time</li>
</ul>
<h2 id="architecture-diagram">Architecture Diagram<a class="headerlink" href="#architecture-diagram" 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>│ klausur-service (Port 8086) │
<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>│ │ BYOEH REST API │ │ BYOEH Service Layer │ │
<a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a>│ │ │ │ │ │
<a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a>│ │ POST /api/v1/eh │───▶│ - Upload Wizard Logic │ │
<a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a>│ │ GET /api/v1/eh │ │ - Rights Confirmation │ │
<a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a>│ │ DELETE /api/v1/eh │ │ - Chunking Pipeline │ │
<a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a>│ │ POST /rag-query │ │ - Encryption Service │ │
<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> │ │ │
<a id="__codelineno-0-16" name="__codelineno-0-16" href="#__codelineno-0-16"></a> ▼ ▼ ▼
<a id="__codelineno-0-17" name="__codelineno-0-17" href="#__codelineno-0-17"></a>┌──────────────────────┐ ┌──────────────────────────┐ ┌──────────────────────┐
<a id="__codelineno-0-18" name="__codelineno-0-18" href="#__codelineno-0-18"></a>│ PostgreSQL │ │ Qdrant │ │ Encrypted Storage │
<a id="__codelineno-0-19" name="__codelineno-0-19" href="#__codelineno-0-19"></a>│ (Metadata + Audit) │ │ (Vector Search) │ │ /app/eh-uploads/ │
<a id="__codelineno-0-20" name="__codelineno-0-20" href="#__codelineno-0-20"></a>│ │ │ │ │ │
<a id="__codelineno-0-21" name="__codelineno-0-21" href="#__codelineno-0-21"></a>│ In-Memory Storage: │ │ Collection: bp_eh │ │ {tenant}/{eh_id}/ │
<a id="__codelineno-0-22" name="__codelineno-0-22" href="#__codelineno-0-22"></a>│ - erwartungshorizonte│ │ - tenant_id (filter) │ │ encrypted.bin │
<a id="__codelineno-0-23" name="__codelineno-0-23" href="#__codelineno-0-23"></a>│ - eh_chunks │ │ - eh_id │ │ salt.txt │
<a id="__codelineno-0-24" name="__codelineno-0-24" href="#__codelineno-0-24"></a>│ - eh_key_shares │ │ - embedding[1536] │ │ │
<a id="__codelineno-0-25" name="__codelineno-0-25" href="#__codelineno-0-25"></a>│ - eh_klausur_links │ │ - encrypted_content │ └──────────────────────┘
<a id="__codelineno-0-26" name="__codelineno-0-26" href="#__codelineno-0-26"></a>│ - eh_audit_log │ │ │
<a id="__codelineno-0-27" name="__codelineno-0-27" href="#__codelineno-0-27"></a>└──────────────────────┘ └──────────────────────────┘
</code></pre></div>
<h2 id="data-flow">Data Flow<a class="headerlink" href="#data-flow" title="Permanent link">&para;</a></h2>
<h3 id="1-upload-flow">1. Upload Flow<a class="headerlink" href="#1-upload-flow" 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>Browser Backend Storage
<a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a> │ │ │
<a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a> │ 1. User selects PDF │ │
<a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a> │ 2. User enters passphrase │ │
<a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a> │ 3. PBKDF2 key derivation │ │
<a id="__codelineno-1-6" name="__codelineno-1-6" href="#__codelineno-1-6"></a> │ 4. AES-256-GCM encryption │ │
<a id="__codelineno-1-7" name="__codelineno-1-7" href="#__codelineno-1-7"></a> │ 5. SHA-256 key hash │ │
<a id="__codelineno-1-8" name="__codelineno-1-8" href="#__codelineno-1-8"></a> │ │ │
<a id="__codelineno-1-9" name="__codelineno-1-9" href="#__codelineno-1-9"></a> │──────────────────────────────▶│ │
<a id="__codelineno-1-10" name="__codelineno-1-10" href="#__codelineno-1-10"></a> │ POST /api/v1/eh/upload │ │
<a id="__codelineno-1-11" name="__codelineno-1-11" href="#__codelineno-1-11"></a> │ (encrypted blob + key_hash) │ │
<a id="__codelineno-1-12" name="__codelineno-1-12" href="#__codelineno-1-12"></a> │ │──────────────────────────────▶│
<a id="__codelineno-1-13" name="__codelineno-1-13" href="#__codelineno-1-13"></a> │ │ Store encrypted.bin + salt │
<a id="__codelineno-1-14" name="__codelineno-1-14" href="#__codelineno-1-14"></a> │ │◀──────────────────────────────│
<a id="__codelineno-1-15" name="__codelineno-1-15" href="#__codelineno-1-15"></a> │ │ │
<a id="__codelineno-1-16" name="__codelineno-1-16" href="#__codelineno-1-16"></a> │ │ Save metadata to DB │
<a id="__codelineno-1-17" name="__codelineno-1-17" href="#__codelineno-1-17"></a> │◀──────────────────────────────│ │
<a id="__codelineno-1-18" name="__codelineno-1-18" href="#__codelineno-1-18"></a> │ Return EH record │ │
</code></pre></div>
<h3 id="2-indexing-flow-rag-preparation">2. Indexing Flow (RAG Preparation)<a class="headerlink" href="#2-indexing-flow-rag-preparation" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a>Browser Backend Qdrant
<a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a> │ │ │
<a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a> │──────────────────────────────▶│ │
<a id="__codelineno-2-4" name="__codelineno-2-4" href="#__codelineno-2-4"></a> │ POST /api/v1/eh/{id}/index │ │
<a id="__codelineno-2-5" name="__codelineno-2-5" href="#__codelineno-2-5"></a> │ (passphrase for decryption) │ │
<a id="__codelineno-2-6" name="__codelineno-2-6" href="#__codelineno-2-6"></a> │ │ │
<a id="__codelineno-2-7" name="__codelineno-2-7" href="#__codelineno-2-7"></a> │ │ 1. Verify key hash │
<a id="__codelineno-2-8" name="__codelineno-2-8" href="#__codelineno-2-8"></a> │ │ 2. Decrypt content │
<a id="__codelineno-2-9" name="__codelineno-2-9" href="#__codelineno-2-9"></a> │ │ 3. Extract text (PDF) │
<a id="__codelineno-2-10" name="__codelineno-2-10" href="#__codelineno-2-10"></a> │ │ 4. Chunk text │
<a id="__codelineno-2-11" name="__codelineno-2-11" href="#__codelineno-2-11"></a> │ │ 5. Generate embeddings │
<a id="__codelineno-2-12" name="__codelineno-2-12" href="#__codelineno-2-12"></a> │ │ 6. Re-encrypt each chunk │
<a id="__codelineno-2-13" name="__codelineno-2-13" href="#__codelineno-2-13"></a> │ │──────────────────────────────▶│
<a id="__codelineno-2-14" name="__codelineno-2-14" href="#__codelineno-2-14"></a> │ │ Index vectors + encrypted │
<a id="__codelineno-2-15" name="__codelineno-2-15" href="#__codelineno-2-15"></a> │ │ chunks with tenant filter │
<a id="__codelineno-2-16" name="__codelineno-2-16" href="#__codelineno-2-16"></a> │◀──────────────────────────────│ │
<a id="__codelineno-2-17" name="__codelineno-2-17" href="#__codelineno-2-17"></a> │ Return chunk count │ │
</code></pre></div>
<h3 id="3-rag-query-flow">3. RAG Query Flow<a class="headerlink" href="#3-rag-query-flow" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a>Browser Backend Qdrant
<a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></a> │ │ │
<a id="__codelineno-3-3" name="__codelineno-3-3" href="#__codelineno-3-3"></a> │──────────────────────────────▶│ │
<a id="__codelineno-3-4" name="__codelineno-3-4" href="#__codelineno-3-4"></a> │ POST /api/v1/eh/rag-query │ │
<a id="__codelineno-3-5" name="__codelineno-3-5" href="#__codelineno-3-5"></a> │ (query + passphrase) │ │
<a id="__codelineno-3-6" name="__codelineno-3-6" href="#__codelineno-3-6"></a> │ │ │
<a id="__codelineno-3-7" name="__codelineno-3-7" href="#__codelineno-3-7"></a> │ │ 1. Generate query embedding │
<a id="__codelineno-3-8" name="__codelineno-3-8" href="#__codelineno-3-8"></a> │ │──────────────────────────────▶│
<a id="__codelineno-3-9" name="__codelineno-3-9" href="#__codelineno-3-9"></a> │ │ 2. Semantic search │
<a id="__codelineno-3-10" name="__codelineno-3-10" href="#__codelineno-3-10"></a> │ │ (tenant-filtered) │
<a id="__codelineno-3-11" name="__codelineno-3-11" href="#__codelineno-3-11"></a> │ │◀──────────────────────────────│
<a id="__codelineno-3-12" name="__codelineno-3-12" href="#__codelineno-3-12"></a> │ │ 3. Decrypt matched chunks │
<a id="__codelineno-3-13" name="__codelineno-3-13" href="#__codelineno-3-13"></a> │◀──────────────────────────────│ │
<a id="__codelineno-3-14" name="__codelineno-3-14" href="#__codelineno-3-14"></a> │ Return decrypted context │ │
</code></pre></div>
<h2 id="security-architecture">Security Architecture<a class="headerlink" href="#security-architecture" title="Permanent link">&para;</a></h2>
<h3 id="client-side-encryption">Client-Side Encryption<a class="headerlink" href="#client-side-encryption" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a>┌─────────────────────────────────────────────────────────────────┐
<a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a>│ Browser (Client-Side) │
<a id="__codelineno-4-3" name="__codelineno-4-3" href="#__codelineno-4-3"></a>├─────────────────────────────────────────────────────────────────┤
<a id="__codelineno-4-4" name="__codelineno-4-4" href="#__codelineno-4-4"></a>│ │
<a id="__codelineno-4-5" name="__codelineno-4-5" href="#__codelineno-4-5"></a>│ 1. User enters passphrase (NEVER sent to server) │
<a id="__codelineno-4-6" name="__codelineno-4-6" href="#__codelineno-4-6"></a>│ │ │
<a id="__codelineno-4-7" name="__codelineno-4-7" href="#__codelineno-4-7"></a>│ ▼ │
<a id="__codelineno-4-8" name="__codelineno-4-8" href="#__codelineno-4-8"></a>│ 2. Key Derivation: PBKDF2-SHA256(passphrase, salt, 100k iter) │
<a id="__codelineno-4-9" name="__codelineno-4-9" href="#__codelineno-4-9"></a>│ │ │
<a id="__codelineno-4-10" name="__codelineno-4-10" href="#__codelineno-4-10"></a>│ ▼ │
<a id="__codelineno-4-11" name="__codelineno-4-11" href="#__codelineno-4-11"></a>│ 3. Encryption: AES-256-GCM(key, iv, file_content) │
<a id="__codelineno-4-12" name="__codelineno-4-12" href="#__codelineno-4-12"></a>│ │ │
<a id="__codelineno-4-13" name="__codelineno-4-13" href="#__codelineno-4-13"></a>│ ▼ │
<a id="__codelineno-4-14" name="__codelineno-4-14" href="#__codelineno-4-14"></a>│ 4. Key-Hash: SHA-256(derived_key) → server verification only │
<a id="__codelineno-4-15" name="__codelineno-4-15" href="#__codelineno-4-15"></a>│ │ │
<a id="__codelineno-4-16" name="__codelineno-4-16" href="#__codelineno-4-16"></a>│ ▼ │
<a id="__codelineno-4-17" name="__codelineno-4-17" href="#__codelineno-4-17"></a>│ 5. Upload: encrypted_blob + key_hash + salt (NOT key!) │
<a id="__codelineno-4-18" name="__codelineno-4-18" href="#__codelineno-4-18"></a>│ │
<a id="__codelineno-4-19" name="__codelineno-4-19" href="#__codelineno-4-19"></a>└─────────────────────────────────────────────────────────────────┘
</code></pre></div>
<h3 id="security-guarantees">Security Guarantees<a class="headerlink" href="#security-guarantees" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>Guarantee</th>
<th>Implementation</th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>No Training</strong></td>
<td><code>training_allowed: false</code> on all Qdrant points</td>
</tr>
<tr>
<td><strong>Operator Blindness</strong></td>
<td>Passphrase never leaves browser; server only sees key hash</td>
</tr>
<tr>
<td><strong>Tenant Isolation</strong></td>
<td>Every query filtered by <code>tenant_id</code></td>
</tr>
<tr>
<td><strong>Audit Trail</strong></td>
<td>All actions logged with timestamps</td>
</tr>
</tbody>
</table>
<h2 id="key-sharing-system">Key Sharing System<a class="headerlink" href="#key-sharing-system" title="Permanent link">&para;</a></h2>
<p>The key sharing system enables first examiners to grant access to their EH to second examiners and supervisors.</p>
<h3 id="share-flow">Share Flow<a class="headerlink" href="#share-flow" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a>First Examiner Backend Second Examiner
<a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a> │ │ │
<a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a> │ 1. Encrypt passphrase for │ │
<a id="__codelineno-5-4" name="__codelineno-5-4" href="#__codelineno-5-4"></a> │ recipient (client-side) │ │
<a id="__codelineno-5-5" name="__codelineno-5-5" href="#__codelineno-5-5"></a> │ │ │
<a id="__codelineno-5-6" name="__codelineno-5-6" href="#__codelineno-5-6"></a> │─────────────────────────────▶ │
<a id="__codelineno-5-7" name="__codelineno-5-7" href="#__codelineno-5-7"></a> │ POST /eh/{id}/share │ │
<a id="__codelineno-5-8" name="__codelineno-5-8" href="#__codelineno-5-8"></a> │ (encrypted_passphrase, role)│ │
<a id="__codelineno-5-9" name="__codelineno-5-9" href="#__codelineno-5-9"></a> │ │ │
<a id="__codelineno-5-10" name="__codelineno-5-10" href="#__codelineno-5-10"></a> │ │ Store EHKeyShare │
<a id="__codelineno-5-11" name="__codelineno-5-11" href="#__codelineno-5-11"></a> │◀───────────────────────────── │
<a id="__codelineno-5-12" name="__codelineno-5-12" href="#__codelineno-5-12"></a> │ │ │
<a id="__codelineno-5-13" name="__codelineno-5-13" href="#__codelineno-5-13"></a> │ │ │
<a id="__codelineno-5-14" name="__codelineno-5-14" href="#__codelineno-5-14"></a> │ │◀────────────────────────────│
<a id="__codelineno-5-15" name="__codelineno-5-15" href="#__codelineno-5-15"></a> │ │ GET /eh/shared-with-me │
<a id="__codelineno-5-16" name="__codelineno-5-16" href="#__codelineno-5-16"></a> │ │ │
<a id="__codelineno-5-17" name="__codelineno-5-17" href="#__codelineno-5-17"></a> │ │─────────────────────────────▶
<a id="__codelineno-5-18" name="__codelineno-5-18" href="#__codelineno-5-18"></a> │ │ Return shared EH list │
<a id="__codelineno-5-19" name="__codelineno-5-19" href="#__codelineno-5-19"></a> │ │ │
<a id="__codelineno-5-20" name="__codelineno-5-20" href="#__codelineno-5-20"></a> │ │◀────────────────────────────│
<a id="__codelineno-5-21" name="__codelineno-5-21" href="#__codelineno-5-21"></a> │ │ RAG query with decrypted │
<a id="__codelineno-5-22" name="__codelineno-5-22" href="#__codelineno-5-22"></a> │ │ passphrase │
</code></pre></div>
<h3 id="data-structures">Data Structures<a class="headerlink" href="#data-structures" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a><span class="nd">@dataclass</span>
<a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a><span class="k">class</span><span class="w"> </span><span class="nc">EHKeyShare</span><span class="p">:</span>
<a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a> <span class="nb">id</span><span class="p">:</span> <span class="nb">str</span>
<a id="__codelineno-6-4" name="__codelineno-6-4" href="#__codelineno-6-4"></a> <span class="n">eh_id</span><span class="p">:</span> <span class="nb">str</span>
<a id="__codelineno-6-5" name="__codelineno-6-5" href="#__codelineno-6-5"></a> <span class="n">user_id</span><span class="p">:</span> <span class="nb">str</span> <span class="c1"># Recipient</span>
<a id="__codelineno-6-6" name="__codelineno-6-6" href="#__codelineno-6-6"></a> <span class="n">encrypted_passphrase</span><span class="p">:</span> <span class="nb">str</span> <span class="c1"># Client-encrypted for recipient</span>
<a id="__codelineno-6-7" name="__codelineno-6-7" href="#__codelineno-6-7"></a> <span class="n">passphrase_hint</span><span class="p">:</span> <span class="nb">str</span> <span class="c1"># Optional hint</span>
<a id="__codelineno-6-8" name="__codelineno-6-8" href="#__codelineno-6-8"></a> <span class="n">granted_by</span><span class="p">:</span> <span class="nb">str</span> <span class="c1"># Grantor user ID</span>
<a id="__codelineno-6-9" name="__codelineno-6-9" href="#__codelineno-6-9"></a> <span class="n">granted_at</span><span class="p">:</span> <span class="n">datetime</span>
<a id="__codelineno-6-10" name="__codelineno-6-10" href="#__codelineno-6-10"></a> <span class="n">role</span><span class="p">:</span> <span class="nb">str</span> <span class="c1"># second_examiner, third_examiner, supervisor</span>
<a id="__codelineno-6-11" name="__codelineno-6-11" href="#__codelineno-6-11"></a> <span class="n">klausur_id</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="c1"># Link to specific Klausur</span>
<a id="__codelineno-6-12" name="__codelineno-6-12" href="#__codelineno-6-12"></a> <span class="n">active</span><span class="p">:</span> <span class="nb">bool</span>
<a id="__codelineno-6-13" name="__codelineno-6-13" href="#__codelineno-6-13"></a>
<a id="__codelineno-6-14" name="__codelineno-6-14" href="#__codelineno-6-14"></a><span class="nd">@dataclass</span>
<a id="__codelineno-6-15" name="__codelineno-6-15" href="#__codelineno-6-15"></a><span class="k">class</span><span class="w"> </span><span class="nc">EHKlausurLink</span><span class="p">:</span>
<a id="__codelineno-6-16" name="__codelineno-6-16" href="#__codelineno-6-16"></a> <span class="nb">id</span><span class="p">:</span> <span class="nb">str</span>
<a id="__codelineno-6-17" name="__codelineno-6-17" href="#__codelineno-6-17"></a> <span class="n">eh_id</span><span class="p">:</span> <span class="nb">str</span>
<a id="__codelineno-6-18" name="__codelineno-6-18" href="#__codelineno-6-18"></a> <span class="n">klausur_id</span><span class="p">:</span> <span class="nb">str</span>
<a id="__codelineno-6-19" name="__codelineno-6-19" href="#__codelineno-6-19"></a> <span class="n">linked_by</span><span class="p">:</span> <span class="nb">str</span>
<a id="__codelineno-6-20" name="__codelineno-6-20" href="#__codelineno-6-20"></a> <span class="n">linked_at</span><span class="p">:</span> <span class="n">datetime</span>
</code></pre></div>
<h2 id="api-endpoints">API Endpoints<a class="headerlink" href="#api-endpoints" title="Permanent link">&para;</a></h2>
<h3 id="core-eh-endpoints">Core EH Endpoints<a class="headerlink" href="#core-eh-endpoints" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>Method</th>
<th>Endpoint</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>POST</td>
<td><code>/api/v1/eh/upload</code></td>
<td>Upload encrypted EH</td>
</tr>
<tr>
<td>GET</td>
<td><code>/api/v1/eh</code></td>
<td>List user's EH</td>
</tr>
<tr>
<td>GET</td>
<td><code>/api/v1/eh/{id}</code></td>
<td>Get single EH</td>
</tr>
<tr>
<td>DELETE</td>
<td><code>/api/v1/eh/{id}</code></td>
<td>Soft delete EH</td>
</tr>
<tr>
<td>POST</td>
<td><code>/api/v1/eh/{id}/index</code></td>
<td>Index EH for RAG</td>
</tr>
<tr>
<td>POST</td>
<td><code>/api/v1/eh/rag-query</code></td>
<td>Query EH content</td>
</tr>
</tbody>
</table>
<h3 id="key-sharing-endpoints">Key Sharing Endpoints<a class="headerlink" href="#key-sharing-endpoints" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>Method</th>
<th>Endpoint</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>POST</td>
<td><code>/api/v1/eh/{id}/share</code></td>
<td>Share EH with examiner</td>
</tr>
<tr>
<td>GET</td>
<td><code>/api/v1/eh/{id}/shares</code></td>
<td>List shares (owner)</td>
</tr>
<tr>
<td>DELETE</td>
<td><code>/api/v1/eh/{id}/shares/{shareId}</code></td>
<td>Revoke share</td>
</tr>
<tr>
<td>GET</td>
<td><code>/api/v1/eh/shared-with-me</code></td>
<td>List EH shared with user</td>
</tr>
</tbody>
</table>
<h3 id="klausur-integration-endpoints">Klausur Integration Endpoints<a class="headerlink" href="#klausur-integration-endpoints" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>Method</th>
<th>Endpoint</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>POST</td>
<td><code>/api/v1/eh/{id}/link-klausur</code></td>
<td>Link EH to Klausur</td>
</tr>
<tr>
<td>DELETE</td>
<td><code>/api/v1/eh/{id}/link-klausur/{klausurId}</code></td>
<td>Unlink EH</td>
</tr>
<tr>
<td>GET</td>
<td><code>/api/v1/klausuren/{id}/linked-eh</code></td>
<td>Get linked EH for Klausur</td>
</tr>
</tbody>
</table>
<h3 id="audit-admin-endpoints">Audit &amp; Admin Endpoints<a class="headerlink" href="#audit-admin-endpoints" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>Method</th>
<th>Endpoint</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>GET</td>
<td><code>/api/v1/eh/audit-log</code></td>
<td>Get audit log</td>
</tr>
<tr>
<td>GET</td>
<td><code>/api/v1/eh/rights-text</code></td>
<td>Get rights confirmation text</td>
</tr>
<tr>
<td>GET</td>
<td><code>/api/v1/eh/qdrant-status</code></td>
<td>Get Qdrant status (admin)</td>
</tr>
</tbody>
</table>
<h2 id="frontend-components">Frontend Components<a class="headerlink" href="#frontend-components" title="Permanent link">&para;</a></h2>
<h3 id="ehuploadwizard">EHUploadWizard<a class="headerlink" href="#ehuploadwizard" title="Permanent link">&para;</a></h3>
<p>5-step wizard for uploading Erwartungshorizonte:</p>
<ol>
<li><strong>File Selection</strong> - Choose PDF file</li>
<li><strong>Metadata</strong> - Title, Subject, Niveau, Year</li>
<li><strong>Rights Confirmation</strong> - Legal acknowledgment</li>
<li><strong>Encryption</strong> - Set passphrase (2x confirmation)</li>
<li><strong>Summary</strong> - Review and upload</li>
</ol>
<h3 id="integration-points">Integration Points<a class="headerlink" href="#integration-points" title="Permanent link">&para;</a></h3>
<ul>
<li><strong>KorrekturPage</strong>: Shows EH prompt after first student upload</li>
<li><strong>GutachtenGeneration</strong>: Uses RAG context from linked EH</li>
<li><strong>Sidebar Badge</strong>: Shows linked EH count</li>
</ul>
<h2 id="file-structure">File Structure<a class="headerlink" href="#file-structure" title="Permanent link">&para;</a></h2>
<div class="highlight"><pre><span></span><code><a id="__codelineno-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a>klausur-service/
<a id="__codelineno-7-2" name="__codelineno-7-2" href="#__codelineno-7-2"></a>├── backend/
<a id="__codelineno-7-3" name="__codelineno-7-3" href="#__codelineno-7-3"></a>│ ├── main.py # API endpoints + data structures
<a id="__codelineno-7-4" name="__codelineno-7-4" href="#__codelineno-7-4"></a>│ ├── qdrant_service.py # Vector database operations
<a id="__codelineno-7-5" name="__codelineno-7-5" href="#__codelineno-7-5"></a>│ ├── eh_pipeline.py # Chunking, embedding, encryption
<a id="__codelineno-7-6" name="__codelineno-7-6" href="#__codelineno-7-6"></a>│ └── requirements.txt # Python dependencies
<a id="__codelineno-7-7" name="__codelineno-7-7" href="#__codelineno-7-7"></a>├── frontend/
<a id="__codelineno-7-8" name="__codelineno-7-8" href="#__codelineno-7-8"></a>│ └── src/
<a id="__codelineno-7-9" name="__codelineno-7-9" href="#__codelineno-7-9"></a>│ ├── components/
<a id="__codelineno-7-10" name="__codelineno-7-10" href="#__codelineno-7-10"></a>│ │ └── EHUploadWizard.tsx
<a id="__codelineno-7-11" name="__codelineno-7-11" href="#__codelineno-7-11"></a>│ ├── services/
<a id="__codelineno-7-12" name="__codelineno-7-12" href="#__codelineno-7-12"></a>│ │ ├── api.ts # API client
<a id="__codelineno-7-13" name="__codelineno-7-13" href="#__codelineno-7-13"></a>│ │ └── encryption.ts # Client-side crypto
<a id="__codelineno-7-14" name="__codelineno-7-14" href="#__codelineno-7-14"></a>│ ├── pages/
<a id="__codelineno-7-15" name="__codelineno-7-15" href="#__codelineno-7-15"></a>│ │ └── KorrekturPage.tsx # EH integration
<a id="__codelineno-7-16" name="__codelineno-7-16" href="#__codelineno-7-16"></a>│ └── styles/
<a id="__codelineno-7-17" name="__codelineno-7-17" href="#__codelineno-7-17"></a>│ └── eh-wizard.css
<a id="__codelineno-7-18" name="__codelineno-7-18" href="#__codelineno-7-18"></a>└── docs/
<a id="__codelineno-7-19" name="__codelineno-7-19" href="#__codelineno-7-19"></a> ├── BYOEH-Architecture.md
<a id="__codelineno-7-20" name="__codelineno-7-20" href="#__codelineno-7-20"></a> └── BYOEH-Developer-Guide.md
</code></pre></div>
<h2 id="configuration">Configuration<a class="headerlink" href="#configuration" title="Permanent link">&para;</a></h2>
<h3 id="environment-variables">Environment Variables<a class="headerlink" href="#environment-variables" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a>QDRANT_URL=http://qdrant:6333
<a id="__codelineno-8-2" name="__codelineno-8-2" href="#__codelineno-8-2"></a>OPENAI_API_KEY=sk-... # For embeddings
<a id="__codelineno-8-3" name="__codelineno-8-3" href="#__codelineno-8-3"></a>BYOEH_ENCRYPTION_ENABLED=true
<a id="__codelineno-8-4" name="__codelineno-8-4" href="#__codelineno-8-4"></a>EH_UPLOAD_DIR=/app/eh-uploads
</code></pre></div>
<h3 id="docker-services">Docker Services<a class="headerlink" href="#docker-services" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a><span class="c1"># docker-compose.yml</span>
<a id="__codelineno-9-2" name="__codelineno-9-2" href="#__codelineno-9-2"></a><span class="nt">services</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">qdrant</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">image</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">qdrant/qdrant:v1.7.4</span>
<a id="__codelineno-9-5" name="__codelineno-9-5" href="#__codelineno-9-5"></a><span class="w"> </span><span class="nt">ports</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="p p-Indicator">-</span><span class="w"> </span><span class="s">&quot;6333:6333&quot;</span>
<a id="__codelineno-9-7" name="__codelineno-9-7" href="#__codelineno-9-7"></a><span class="w"> </span><span class="nt">volumes</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="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">qdrant_data:/qdrant/storage</span>
</code></pre></div>
<h2 id="audit-events">Audit Events<a class="headerlink" href="#audit-events" title="Permanent link">&para;</a></h2>
<table>
<thead>
<tr>
<th>Action</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>upload</code></td>
<td>EH uploaded</td>
</tr>
<tr>
<td><code>index</code></td>
<td>EH indexed for RAG</td>
</tr>
<tr>
<td><code>rag_query</code></td>
<td>RAG query executed</td>
</tr>
<tr>
<td><code>delete</code></td>
<td>EH soft deleted</td>
</tr>
<tr>
<td><code>share</code></td>
<td>EH shared with examiner</td>
</tr>
<tr>
<td><code>revoke_share</code></td>
<td>Share revoked</td>
</tr>
<tr>
<td><code>link_klausur</code></td>
<td>EH linked to Klausur</td>
</tr>
<tr>
<td><code>unlink_klausur</code></td>
<td>EH unlinked from Klausur</td>
</tr>
</tbody>
</table>
<h2 id="see-also">See Also<a class="headerlink" href="#see-also" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="../../../architecture/zeugnis-system/">Zeugnis-System Architektur</a></li>
<li><a href="../">Klausur-Service Index</a></li>
</ul>
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