feat(workers): extract.image via Tesseract

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

workers/void_workers/handlers/__init__.py

@@ -1,6 +1,7 @@
-from . import echo, pdf
+from . import echo, pdf, image
 
 REGISTRY = {
     echo.NAME: echo.handle,
     pdf.NAME: pdf.handle,
+    image.NAME: image.handle,
 }

workers/void_workers/handlers/image.py

@@ -0,0 +1,18 @@
+from PIL import Image
+import pytesseract
+from .. import repo
+
+NAME = "extract.image"
+
+
+def handle(job_data: dict) -> dict:
+    ref_id = job_data["ref_id"]
+    blob_path = job_data["blob_path"]
+    text = pytesseract.image_to_string(Image.open(blob_path), lang="eng").strip()
+    body_text = text[:200_000]
+    repo.update_ref(
+        ref_id,
+        body_text=body_text,
+        metadata_patch={"extract": {"method": "tesseract", "chars": len(body_text)}}
+    )
+    return {"ref_id": ref_id, "chars": len(body_text)}