docs: update HANDOFF.md — Stages 10+11 completed, Stage 12 next

HANDOFF.md

@@ -65,9 +65,8 @@ Wenn ein neuer Thread weiterarbeiten soll, einfach **Stage X** nennen und mit de
 || 7 | ~~Claim Clustering & Contradiction Candidates~~ (✅ **ABGESCHLOSSEN** – `d1e6bb6`) ||
 || 8 | ~~Evidence Scoring~~ (✅ **ABGESCHLOSSEN** – `719e218`) |
 || 9 | ~~Neutral Synthesis Engine~~ (✅ **ABGESCHLOSSEN** – `d87e2b4`) ||
-|| 9 | ~~Neutral Synthesis Engine~~ (✅ **ABGESCHLOSSEN** – `d87e2b4`) ||
+|| **10** | **Vision Integration** — Qwen2.5-VL-3B für Diagramme, Screenshots, Infografiken, PDF-Layouts. Provenance-Pflicht. (**ABGESCHLOSSEN** – `3ab875d`) ||
-| **10** | **Vision Integration** — Qwen2.5-VL-3B für Diagramme, Screenshots, Infografiken, PDF-Layouts. Provenance-Pflicht. |
+|| **11** | **Audio Integration** — STT-Transkription von Interviews, Podcasts, Pressekonferenzen. Timestamped Claims. (**ABGESCHLOSSEN** – `10a083a`) ||
-| **11** | **Audio Integration** — Transkription von Interviews, Podcasts, Pressekonferenzen. Timestamped Claims. |
 | **12** | **Research Orchestrator** — State Machine (CREATED→PLANNING→SEARCHING→...→COMPLETED/FAILED). Harte Budgets (max_search_queries, max_sources, max_llm_requests, ...). |
 | **13** | **Iterative Research / Gap Analysis** — Max 3 Research-Rounds. Lückenerkennung: welche Claims nur eine Quelle? Wo fehlen Primärquellen? |
 | **14** | **REST API** — POST/GET/DELETE für research, status, sources, claims, evidence, report. Depth: quick/normal/deep. |

src/nsct/api/main.py

@@ -107,6 +107,10 @@ def create_app() -> FastAPI:
     from nsct.api.vision import router as vision_router
     app.include_router(vision_router, tags=["vision"])
 
+    # Mount audio router (Stage 11)
+    from nsct.api.audio import router as audio_router
+    app.include_router(audio_router, tags=["audio"])
+
     return app
 
 

src/nsct/models/__init__.py

@@ -23,8 +23,6 @@ from nsct.models.schemas import (
     SearchQuery,
     Source,
     SourceType,
-)
-from nsct.models.schemas import (
     SynthesisReportModel,
 )
 from nsct.models.vision import (

src/nsct/stages/__init__.py

@@ -2,9 +2,12 @@
 
 from nsct.stages.stage5_extract_claims import Stage5Extractor
 from nsct.stages.stage10_vision import VisionStage, VisionEvidence
+from nsct.stages.stage11_audio import AudioStage, AudioClaim
 
 __all__ = [
     "Stage5Extractor",
     "VisionStage",
     "VisionEvidence",
+    "AudioStage",
+    "AudioClaim",
 ]

src/nsct/stages/stage11_audio.py

@@ -789,9 +789,9 @@ class AudioStage:
                     )
                 elif isinstance(stt_result, dict):
                     transcript = stt_result.get("transcript_text", "")
+                    source_url = stt_result.get("source_url", "unknown")
                     if transcript and transcript.strip():
                         language = stt_result.get("language", "unknown")
-                        source_url = stt_result.get("source_url", "unknown")
                         source_title = stt_result.get("source_title")
                         claim_tasks.append(
                             asyncio.ensure_future(