diff --git a/document-parser/api/documents.py b/document-parser/api/documents.py
index 516ffcc..09ac96c 100644
--- a/document-parser/api/documents.py
+++ b/document-parser/api/documents.py
@@ -3,13 +3,13 @@
 from __future__ import annotations
 
 import logging
+from typing import Annotated
 
-from fastapi import APIRouter, HTTPException, Query, UploadFile
+from fastapi import APIRouter, Depends, HTTPException, Query, Request, UploadFile
 from fastapi.responses import Response
 
 from api.schemas import DocumentResponse
-from infra.settings import settings
-from services import document_service
+from services.document_service import DocumentService
 
 logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/api/documents", tags=["documents"])
@@ -17,6 +17,13 @@ router = APIRouter(prefix="/api/documents", tags=["documents"])
 _READ_CHUNK_SIZE = 64 * 1024  # 64 KB
 
 
+def _get_service(request: Request) -> DocumentService:
+    return request.app.state.document_service
+
+
+ServiceDep = Annotated[DocumentService, Depends(_get_service)]
+
+
 def _to_response(doc) -> DocumentResponse:
     return DocumentResponse(
         id=doc.id,
@@ -29,14 +36,14 @@ def _to_response(doc) -> DocumentResponse:
 
 
 @router.post("/upload", response_model=DocumentResponse, status_code=200)
-async def upload(file: UploadFile) -> DocumentResponse:
+async def upload(file: UploadFile, service: ServiceDep) -> DocumentResponse:
     """Upload a PDF document."""
     if not file.filename:
         raise HTTPException(status_code=400, detail="No filename provided")
 
     # Reject early if Content-Length exceeds limit (before reading body)
-    _max = document_service.MAX_FILE_SIZE
-    _detail = f"File too large (max {settings.max_file_size_mb} MB)"
+    _max = service.max_file_size
+    _detail = f"File too large (max {service.max_file_size_mb} MB)"
     if _max > 0 and file.size and file.size > _max:
         raise HTTPException(status_code=413, detail=_detail)
 
@@ -51,7 +58,7 @@ async def upload(file: UploadFile) -> DocumentResponse:
     content = b"".join(chunks)
 
     try:
-        doc = await document_service.upload(
+        doc = await service.upload(
             filename=file.filename,
             content_type=file.content_type or "application/pdf",
             file_content=content,
@@ -63,25 +70,25 @@ async def upload(file: UploadFile) -> DocumentResponse:
 
 
 @router.get("", response_model=list[DocumentResponse])
-async def list_documents() -> list[DocumentResponse]:
+async def list_documents(service: ServiceDep) -> list[DocumentResponse]:
     """List all documents."""
-    docs = await document_service.find_all()
+    docs = await service.find_all()
     return [_to_response(d) for d in docs]
 
 
 @router.get("/{doc_id}", response_model=DocumentResponse)
-async def get_document(doc_id: str) -> DocumentResponse:
+async def get_document(doc_id: str, service: ServiceDep) -> DocumentResponse:
     """Get a single document."""
-    doc = await document_service.find_by_id(doc_id)
+    doc = await service.find_by_id(doc_id)
     if not doc:
         raise HTTPException(status_code=404, detail="Document not found")
     return _to_response(doc)
 
 
 @router.delete("/{doc_id}", status_code=204)
-async def delete_document(doc_id: str) -> None:
+async def delete_document(doc_id: str, service: ServiceDep) -> None:
     """Delete a document and its file."""
-    deleted = await document_service.delete(doc_id)
+    deleted = await service.delete(doc_id)
     if not deleted:
         raise HTTPException(status_code=404, detail="Document not found")
 
@@ -89,11 +96,12 @@ async def delete_document(doc_id: str) -> None:
 @router.get("/{doc_id}/preview")
 async def preview(
     doc_id: str,
+    service: ServiceDep,
     page: int = Query(1, ge=1),
     dpi: int = Query(150, ge=72, le=300),
 ) -> Response:
     """Generate a PNG preview of a specific PDF page."""
-    doc = await document_service.find_by_id(doc_id)
+    doc = await service.find_by_id(doc_id)
     if not doc:
         raise HTTPException(status_code=404, detail="Document not found")
 
@@ -106,7 +114,7 @@ async def preview(
     try:
         with open(doc.storage_path, "rb") as f:
             file_content = f.read()
-        png_bytes = document_service.generate_preview(file_content, page=page, dpi=dpi)
+        png_bytes = DocumentService.generate_preview(file_content, page=page, dpi=dpi)
         return Response(content=png_bytes, media_type="image/png")
     except ValueError as e:
         raise HTTPException(status_code=404, detail=str(e)) from e
diff --git a/document-parser/domain/ports.py b/document-parser/domain/ports.py
index 1225638..4c56396 100644
--- a/document-parser/domain/ports.py
+++ b/document-parser/domain/ports.py
@@ -9,6 +9,7 @@ from __future__ import annotations
 from typing import TYPE_CHECKING, Protocol
 
 if TYPE_CHECKING:
+    from domain.models import AnalysisJob, Document
     from domain.value_objects import (
         ChunkingOptions,
         ChunkResult,
@@ -44,3 +45,37 @@ class DocumentChunker(Protocol):
         document_json: str,
         options: ChunkingOptions,
     ) -> list[ChunkResult]: ...
+
+
+class DocumentRepository(Protocol):
+    """Port for document persistence."""
+
+    async def insert(self, doc: Document) -> None: ...
+
+    async def find_all(self, *, limit: int = 200, offset: int = 0) -> list[Document]: ...
+
+    async def find_by_id(self, doc_id: str) -> Document | None: ...
+
+    async def update_page_count(self, doc_id: str, page_count: int) -> None: ...
+
+    async def delete(self, doc_id: str) -> bool: ...
+
+
+class AnalysisRepository(Protocol):
+    """Port for analysis job persistence."""
+
+    async def insert(self, job: AnalysisJob) -> None: ...
+
+    async def find_all(self, *, limit: int = 200, offset: int = 0) -> list[AnalysisJob]: ...
+
+    async def find_by_id(self, job_id: str) -> AnalysisJob | None: ...
+
+    async def update_status(self, job: AnalysisJob) -> None: ...
+
+    async def update_progress(self, job_id: str, current: int, total: int) -> None: ...
+
+    async def update_chunks(self, job_id: str, chunks_json: str) -> bool: ...
+
+    async def delete(self, job_id: str) -> bool: ...
+
+    async def delete_by_document(self, document_id: str) -> int: ...
diff --git a/document-parser/domain/services.py b/document-parser/domain/services.py
new file mode 100644
index 0000000..28ccc2e
--- /dev/null
+++ b/document-parser/domain/services.py
@@ -0,0 +1,82 @@
+"""Domain services — pure business logic with no infrastructure dependencies."""
+
+from __future__ import annotations
+
+import re
+
+from domain.value_objects import ConversionResult, PageDetail
+
+# Regex to extract <body> content from Docling's well-formed HTML output.
+_BODY_RE = re.compile(r"<body[^>]*>(.*)</body>", re.DOTALL | re.IGNORECASE)
+
+
+def extract_html_body(html: str) -> str:
+    """Extract content between <body> tags.
+
+    Docling produces well-formed HTML — regex is safe for this controlled output.
+    Returns raw html as fallback if no <body> tag is found.
+    """
+    match = _BODY_RE.search(html)
+    return match.group(1).strip() if match else html
+
+
+def merge_results(results: list[ConversionResult]) -> ConversionResult:
+    """Merge multiple batch ConversionResults into a single consolidated result.
+
+    document_json is intentionally set to None: merging DoclingDocument's internal
+    tree structure across batches is error-prone. Re-chunking is disabled for
+    batched conversions (robustness decision for 0.3.1).
+    """
+    if not results:
+        return ConversionResult(page_count=0, content_markdown="", content_html="", pages=[])
+
+    all_pages: list[PageDetail] = []
+    all_md: list[str] = []
+    html_bodies: list[str] = []
+    total_skipped = 0
+
+    for r in results:
+        all_pages.extend(r.pages)
+        all_md.append(r.content_markdown)
+        html_bodies.append(extract_html_body(r.content_html))
+        total_skipped += r.skipped_items
+
+    merged_body = "\n".join(html_bodies)
+    merged_html = (
+        f'<!DOCTYPE html><html><head><meta charset="utf-8"></head><body>{merged_body}</body></html>'
+    )
+
+    return ConversionResult(
+        page_count=sum(r.page_count for r in results),
+        content_markdown="\n\n".join(all_md),
+        content_html=merged_html,
+        pages=all_pages,
+        skipped_items=total_skipped,
+        document_json=None,
+    )
+
+
+def classify_error(exc: Exception) -> str:
+    """Return a user-friendly error message based on the exception type/content."""
+    msg = str(exc).lower()
+
+    if "invalidcxxcompiler" in msg or "no working c++ compiler" in msg:
+        return "Missing C++ compiler — set TORCHDYNAMO_DISABLE=1 to work around this"
+
+    if "out of memory" in msg or "oom" in msg:
+        return "Out of memory — try a smaller document or disable table structure analysis"
+
+    if "could not acquire converter lock" in msg:
+        return "Server busy — a previous conversion is still running. Please retry later"
+
+    if "pipeline" in msg and "failed" in msg:
+        return "Document processing failed — the document may be corrupted or unsupported"
+
+    if "timeout" in msg:
+        return "Processing took too long — try with fewer pages or simpler options"
+
+    # Fallback: truncate raw error to something reasonable
+    raw = str(exc)
+    if len(raw) > 200:
+        raw = raw[:200] + "…"
+    return raw
diff --git a/document-parser/main.py b/document-parser/main.py
index 60b9ae5..3be3921 100644
--- a/document-parser/main.py
+++ b/document-parser/main.py
@@ -22,8 +22,11 @@ from api.analyses import router as analyses_router
 from api.documents import router as documents_router
 from infra.rate_limiter import RateLimiterMiddleware
 from infra.settings import settings
+from persistence.analysis_repo import SqliteAnalysisRepository
 from persistence.database import get_connection, init_db
-from services.analysis_service import AnalysisService
+from persistence.document_repo import SqliteDocumentRepository
+from services.analysis_service import AnalysisConfig, AnalysisService
+from services.document_service import DocumentConfig, DocumentService
 
 logging.basicConfig(
     level=logging.INFO,
@@ -58,14 +61,44 @@ def _build_chunker():
     return None
 
 
-def _build_analysis_service() -> AnalysisService:
+def _build_repos() -> tuple[SqliteDocumentRepository, SqliteAnalysisRepository]:
+    return SqliteDocumentRepository(), SqliteAnalysisRepository()
+
+
+def _build_analysis_service(
+    document_repo: SqliteDocumentRepository,
+    analysis_repo: SqliteAnalysisRepository,
+) -> AnalysisService:
     converter = _build_converter()
     chunker = _build_chunker()
+    config = AnalysisConfig(
+        default_table_mode=settings.default_table_mode,
+        batch_page_size=settings.batch_page_size,
+    )
     return AnalysisService(
         converter=converter,
+        analysis_repo=analysis_repo,
+        document_repo=document_repo,
         chunker=chunker,
         conversion_timeout=settings.conversion_timeout,
         max_concurrent=settings.max_concurrent_analyses,
+        config=config,
+    )
+
+
+def _build_document_service(
+    document_repo: SqliteDocumentRepository,
+    analysis_repo: SqliteAnalysisRepository,
+) -> DocumentService:
+    config = DocumentConfig(
+        upload_dir=settings.upload_dir,
+        max_file_size_mb=settings.max_file_size_mb,
+        max_page_count=settings.max_page_count,
+    )
+    return DocumentService(
+        document_repo=document_repo,
+        analysis_repo=analysis_repo,
+        config=config,
     )
 
 
@@ -77,7 +110,9 @@ def _build_analysis_service() -> AnalysisService:
 @asynccontextmanager
 async def lifespan(app: FastAPI) -> AsyncIterator[None]:
     await init_db()
-    app.state.analysis_service = _build_analysis_service()
+    document_repo, analysis_repo = _build_repos()
+    app.state.analysis_service = _build_analysis_service(document_repo, analysis_repo)
+    app.state.document_service = _build_document_service(document_repo, analysis_repo)
     logger.info("Docling Studio backend ready (engine=%s)", settings.conversion_engine)
     yield
 
diff --git a/document-parser/persistence/analysis_repo.py b/document-parser/persistence/analysis_repo.py
index d6d8c7b..676679c 100644
--- a/document-parser/persistence/analysis_repo.py
+++ b/document-parser/persistence/analysis_repo.py
@@ -43,96 +43,94 @@ _SELECT_WITH_DOC = """
 """
 
 
-async def insert(job: AnalysisJob) -> None:
-    """Persist a new analysis job record."""
-    async with get_connection() as db:
-        await db.execute(
-            """INSERT INTO analysis_jobs (id, document_id, status, created_at)
-               VALUES (?, ?, ?, ?)""",
-            (job.id, job.document_id, job.status.value, str(job.created_at)),
-        )
-        await db.commit()
+class SqliteAnalysisRepository:
+    """SQLite implementation of the AnalysisRepository port."""
 
+    async def insert(self, job: AnalysisJob) -> None:
+        """Persist a new analysis job record."""
+        async with get_connection() as db:
+            await db.execute(
+                """INSERT INTO analysis_jobs (id, document_id, status, created_at)
+                   VALUES (?, ?, ?, ?)""",
+                (job.id, job.document_id, job.status.value, str(job.created_at)),
+            )
+            await db.commit()
 
-async def find_all(*, limit: int = 200, offset: int = 0) -> list[AnalysisJob]:
-    """Return analysis jobs with document info, newest first."""
-    async with get_connection() as db:
-        cursor = await db.execute(
-            f"{_SELECT_WITH_DOC} ORDER BY aj.created_at DESC LIMIT ? OFFSET ?",
-            (limit, offset),
-        )
-        rows = await cursor.fetchall()
-        return [_row_to_job(r) for r in rows]
+    async def find_all(self, *, limit: int = 200, offset: int = 0) -> list[AnalysisJob]:
+        """Return analysis jobs with document info, newest first."""
+        async with get_connection() as db:
+            cursor = await db.execute(
+                f"{_SELECT_WITH_DOC} ORDER BY aj.created_at DESC LIMIT ? OFFSET ?",
+                (limit, offset),
+            )
+            rows = await cursor.fetchall()
+            return [_row_to_job(r) for r in rows]
 
+    async def find_by_id(self, job_id: str) -> AnalysisJob | None:
+        """Find an analysis job by ID (with document filename), or return None."""
+        async with get_connection() as db:
+            cursor = await db.execute(f"{_SELECT_WITH_DOC} WHERE aj.id = ?", (job_id,))
+            row = await cursor.fetchone()
+            return _row_to_job(row) if row else None
 
-async def find_by_id(job_id: str) -> AnalysisJob | None:
-    """Find an analysis job by ID (with document filename), or return None."""
-    async with get_connection() as db:
-        cursor = await db.execute(f"{_SELECT_WITH_DOC} WHERE aj.id = ?", (job_id,))
-        row = await cursor.fetchone()
-        return _row_to_job(row) if row else None
+    async def update_status(self, job: AnalysisJob) -> None:
+        """Persist all mutable fields of an analysis job (status, results, timestamps)."""
+        async with get_connection() as db:
+            await db.execute(
+                """UPDATE analysis_jobs
+                   SET status = ?, content_markdown = ?, content_html = ?,
+                       pages_json = ?, document_json = ?, chunks_json = ?,
+                       error_message = ?, progress_current = ?, progress_total = ?,
+                       started_at = ?, completed_at = ?
+                   WHERE id = ?""",
+                (
+                    job.status.value,
+                    job.content_markdown,
+                    job.content_html,
+                    job.pages_json,
+                    job.document_json,
+                    job.chunks_json,
+                    job.error_message,
+                    job.progress_current,
+                    job.progress_total,
+                    str(job.started_at) if job.started_at else None,
+                    str(job.completed_at) if job.completed_at else None,
+                    job.id,
+                ),
+            )
+            await db.commit()
 
+    async def update_progress(self, job_id: str, current: int, total: int) -> None:
+        """Update only the progress columns for a running analysis."""
+        async with get_connection() as db:
+            await db.execute(
+                "UPDATE analysis_jobs SET progress_current = ?, progress_total = ? WHERE id = ?",
+                (current, total, job_id),
+            )
+            await db.commit()
 
-async def update_status(job: AnalysisJob) -> None:
-    """Persist all mutable fields of an analysis job (status, results, timestamps)."""
-    async with get_connection() as db:
-        await db.execute(
-            """UPDATE analysis_jobs
-               SET status = ?, content_markdown = ?, content_html = ?,
-                   pages_json = ?, document_json = ?, chunks_json = ?,
-                   error_message = ?, progress_current = ?, progress_total = ?,
-                   started_at = ?, completed_at = ?
-               WHERE id = ?""",
-            (
-                job.status.value,
-                job.content_markdown,
-                job.content_html,
-                job.pages_json,
-                job.document_json,
-                job.chunks_json,
-                job.error_message,
-                job.progress_current,
-                job.progress_total,
-                str(job.started_at) if job.started_at else None,
-                str(job.completed_at) if job.completed_at else None,
-                job.id,
-            ),
-        )
-        await db.commit()
+    async def update_chunks(self, job_id: str, chunks_json: str) -> bool:
+        """Update only the chunks_json column for a completed analysis."""
+        async with get_connection() as db:
+            cursor = await db.execute(
+                "UPDATE analysis_jobs SET chunks_json = ? WHERE id = ?",
+                (chunks_json, job_id),
+            )
+            await db.commit()
+            return cursor.rowcount > 0
 
+    async def delete(self, job_id: str) -> bool:
+        """Delete an analysis job by ID. Returns True if a row was removed."""
+        async with get_connection() as db:
+            cursor = await db.execute("DELETE FROM analysis_jobs WHERE id = ?", (job_id,))
+            await db.commit()
+            return cursor.rowcount > 0
 
-async def update_progress(job_id: str, current: int, total: int) -> None:
-    """Update only the progress columns for a running analysis."""
-    async with get_connection() as db:
-        await db.execute(
-            "UPDATE analysis_jobs SET progress_current = ?, progress_total = ? WHERE id = ?",
-            (current, total, job_id),
-        )
-        await db.commit()
-
-
-async def update_chunks(job_id: str, chunks_json: str) -> bool:
-    """Update only the chunks_json column for a completed analysis."""
-    async with get_connection() as db:
-        cursor = await db.execute(
-            "UPDATE analysis_jobs SET chunks_json = ? WHERE id = ?",
-            (chunks_json, job_id),
-        )
-        await db.commit()
-        return cursor.rowcount > 0
-
-
-async def delete(job_id: str) -> bool:
-    """Delete an analysis job by ID. Returns True if a row was removed."""
-    async with get_connection() as db:
-        cursor = await db.execute("DELETE FROM analysis_jobs WHERE id = ?", (job_id,))
-        await db.commit()
-        return cursor.rowcount > 0
-
-
-async def delete_by_document(document_id: str) -> int:
-    """Delete all analysis jobs for a given document. Returns count deleted."""
-    async with get_connection() as db:
-        cursor = await db.execute("DELETE FROM analysis_jobs WHERE document_id = ?", (document_id,))
-        await db.commit()
-        return cursor.rowcount
+    async def delete_by_document(self, document_id: str) -> int:
+        """Delete all analysis jobs for a given document. Returns count deleted."""
+        async with get_connection() as db:
+            cursor = await db.execute(
+                "DELETE FROM analysis_jobs WHERE document_id = ?", (document_id,)
+            )
+            await db.commit()
+            return cursor.rowcount
diff --git a/document-parser/persistence/document_repo.py b/document-parser/persistence/document_repo.py
index 3c946de..beb81c5 100644
--- a/document-parser/persistence/document_repo.py
+++ b/document-parser/persistence/document_repo.py
@@ -25,57 +25,56 @@ def _row_to_document(row) -> Document:
     )
 
 
-async def insert(doc: Document) -> None:
-    """Persist a new document record."""
-    async with get_connection() as db:
-        await db.execute(
-            """INSERT INTO documents (id, filename, content_type, file_size, page_count, storage_path, created_at)
-               VALUES (?, ?, ?, ?, ?, ?, ?)""",
-            (
-                doc.id,
-                doc.filename,
-                doc.content_type,
-                doc.file_size,
-                doc.page_count,
-                doc.storage_path,
-                str(doc.created_at),
-            ),
-        )
-        await db.commit()
+class SqliteDocumentRepository:
+    """SQLite implementation of the DocumentRepository port."""
 
+    async def insert(self, doc: Document) -> None:
+        """Persist a new document record."""
+        async with get_connection() as db:
+            await db.execute(
+                """INSERT INTO documents (id, filename, content_type, file_size, page_count, storage_path, created_at)
+                   VALUES (?, ?, ?, ?, ?, ?, ?)""",
+                (
+                    doc.id,
+                    doc.filename,
+                    doc.content_type,
+                    doc.file_size,
+                    doc.page_count,
+                    doc.storage_path,
+                    str(doc.created_at),
+                ),
+            )
+            await db.commit()
 
-async def find_all(*, limit: int = 200, offset: int = 0) -> list[Document]:
-    """Return documents ordered by creation date (newest first)."""
-    async with get_connection() as db:
-        cursor = await db.execute(
-            "SELECT * FROM documents ORDER BY created_at DESC LIMIT ? OFFSET ?",
-            (limit, offset),
-        )
-        rows = await cursor.fetchall()
-        return [_row_to_document(r) for r in rows]
+    async def find_all(self, *, limit: int = 200, offset: int = 0) -> list[Document]:
+        """Return documents ordered by creation date (newest first)."""
+        async with get_connection() as db:
+            cursor = await db.execute(
+                "SELECT * FROM documents ORDER BY created_at DESC LIMIT ? OFFSET ?",
+                (limit, offset),
+            )
+            rows = await cursor.fetchall()
+            return [_row_to_document(r) for r in rows]
 
+    async def find_by_id(self, doc_id: str) -> Document | None:
+        """Find a document by its ID, or return None."""
+        async with get_connection() as db:
+            cursor = await db.execute("SELECT * FROM documents WHERE id = ?", (doc_id,))
+            row = await cursor.fetchone()
+            return _row_to_document(row) if row else None
 
-async def find_by_id(doc_id: str) -> Document | None:
-    """Find a document by its ID, or return None."""
-    async with get_connection() as db:
-        cursor = await db.execute("SELECT * FROM documents WHERE id = ?", (doc_id,))
-        row = await cursor.fetchone()
-        return _row_to_document(row) if row else None
+    async def update_page_count(self, doc_id: str, page_count: int) -> None:
+        """Update the page count after conversion has determined it."""
+        async with get_connection() as db:
+            await db.execute(
+                "UPDATE documents SET page_count = ? WHERE id = ?",
+                (page_count, doc_id),
+            )
+            await db.commit()
 
-
-async def update_page_count(doc_id: str, page_count: int) -> None:
-    """Update the page count after conversion has determined it."""
-    async with get_connection() as db:
-        await db.execute(
-            "UPDATE documents SET page_count = ? WHERE id = ?",
-            (page_count, doc_id),
-        )
-        await db.commit()
-
-
-async def delete(doc_id: str) -> bool:
-    """Delete a document by ID. Returns True if a row was removed."""
-    async with get_connection() as db:
-        cursor = await db.execute("DELETE FROM documents WHERE id = ?", (doc_id,))
-        await db.commit()
-        return cursor.rowcount > 0
+    async def delete(self, doc_id: str) -> bool:
+        """Delete a document by ID. Returns True if a row was removed."""
+        async with get_connection() as db:
+            cursor = await db.execute("DELETE FROM documents WHERE id = ?", (doc_id,))
+            await db.commit()
+            return cursor.rowcount > 0
diff --git a/document-parser/services/analysis_service.py b/document-parser/services/analysis_service.py
index d4a5190..c0e18e5 100644
--- a/document-parser/services/analysis_service.py
+++ b/document-parser/services/analysis_service.py
@@ -1,7 +1,7 @@
 """Analysis service — async document parsing orchestration.
 
-Uses an injected DocumentConverter (port) so the service is decoupled
-from the conversion implementation (local Docling lib vs remote Docling Serve).
+Uses injected ports (converter, chunker, repositories) so the service is
+decoupled from infrastructure implementations.
 """
 
 from __future__ import annotations
@@ -11,25 +11,27 @@ import functools
 import json
 import logging
 import math
-import re
-from dataclasses import asdict
+from dataclasses import asdict, dataclass
 from typing import TYPE_CHECKING
 
 import pypdfium2 as pdfium
 
 from domain.models import AnalysisJob, AnalysisStatus
+from domain.services import classify_error, merge_results
 from domain.value_objects import (
     ChunkingOptions,
     ChunkResult,
     ConversionOptions,
     ConversionResult,
-    PageDetail,
 )
-from infra.settings import settings
 
 if TYPE_CHECKING:
-    from domain.ports import DocumentChunker, DocumentConverter
-from persistence import analysis_repo, document_repo
+    from domain.ports import (
+        AnalysisRepository,
+        DocumentChunker,
+        DocumentConverter,
+        DocumentRepository,
+    )
 
 logger = logging.getLogger(__name__)
 
@@ -48,9 +50,6 @@ def _chunk_to_dict(c: ChunkResult) -> dict:
 # Maximum number of concurrent analysis jobs to prevent resource exhaustion.
 _DEFAULT_MAX_CONCURRENT = 3
 
-# Regex to extract <body> content from Docling's well-formed HTML output.
-_BODY_RE = re.compile(r"<body[^>]*>(.*)</body>", re.DOTALL | re.IGNORECASE)
-
 
 def _count_pdf_pages(file_path: str) -> int:
     """Count pages in a PDF. Returns 0 if the file is not a valid PDF."""
@@ -64,67 +63,36 @@ def _count_pdf_pages(file_path: str) -> int:
         return 0
 
 
-def _extract_html_body(html: str) -> str:
-    """Extract content between <body> tags.
+@dataclass
+class AnalysisConfig:
+    """Configuration values needed by AnalysisService, extracted from settings."""
 
-    Docling produces well-formed HTML — regex is safe for this controlled output.
-    Returns raw html as fallback if no <body> tag is found.
-    """
-    match = _BODY_RE.search(html)
-    return match.group(1).strip() if match else html
-
-
-def _merge_results(results: list[ConversionResult]) -> ConversionResult:
-    """Merge multiple batch ConversionResults into a single consolidated result.
-
-    document_json is intentionally set to None: merging DoclingDocument's internal
-    tree structure across batches is error-prone. Re-chunking is disabled for
-    batched conversions (robustness decision for 0.3.1).
-    """
-    if not results:
-        return ConversionResult(page_count=0, content_markdown="", content_html="", pages=[])
-
-    all_pages: list[PageDetail] = []
-    all_md: list[str] = []
-    html_bodies: list[str] = []
-    total_skipped = 0
-
-    for r in results:
-        all_pages.extend(r.pages)
-        all_md.append(r.content_markdown)
-        html_bodies.append(_extract_html_body(r.content_html))
-        total_skipped += r.skipped_items
-
-    merged_body = "\n".join(html_bodies)
-    merged_html = (
-        f'<!DOCTYPE html><html><head><meta charset="utf-8"></head><body>{merged_body}</body></html>'
-    )
-
-    return ConversionResult(
-        page_count=sum(r.page_count for r in results),
-        content_markdown="\n\n".join(all_md),
-        content_html=merged_html,
-        pages=all_pages,
-        skipped_items=total_skipped,
-        document_json=None,
-    )
+    default_table_mode: str = "accurate"
+    batch_page_size: int = 0
 
 
 class AnalysisService:
-    """Orchestrates document analysis using an injected converter."""
+    """Orchestrates document analysis using injected ports."""
 
     def __init__(
         self,
         converter: DocumentConverter,
+        analysis_repo: AnalysisRepository,
+        document_repo: DocumentRepository,
         chunker: DocumentChunker | None = None,
         conversion_timeout: int = 600,
         max_concurrent: int = _DEFAULT_MAX_CONCURRENT,
+        config: AnalysisConfig | None = None,
     ):
         self._converter = converter
         self._chunker = chunker
+        self._analysis_repo = analysis_repo
+        self._document_repo = document_repo
         self._conversion_timeout = conversion_timeout
         self._semaphore = asyncio.Semaphore(max_concurrent)
         self._running_tasks: dict[str, asyncio.Task] = {}
+        self._background_tasks: set[asyncio.Task] = set()
+        self._config = config or AnalysisConfig()
 
     async def create(
         self,
@@ -134,13 +102,13 @@ class AnalysisService:
         chunking_options: dict | None = None,
     ) -> AnalysisJob:
         """Create a new analysis job and launch background processing."""
-        doc = await document_repo.find_by_id(document_id)
+        doc = await self._document_repo.find_by_id(document_id)
         if not doc:
             raise ValueError(f"Document not found: {document_id}")
 
         job = AnalysisJob(document_id=document_id)
         job.document_filename = doc.filename
-        await analysis_repo.insert(job)
+        await self._analysis_repo.insert(job)
 
         task = asyncio.create_task(
             self._run_analysis(
@@ -158,11 +126,11 @@ class AnalysisService:
 
     async def find_all(self) -> list[AnalysisJob]:
         """Return all analysis jobs, newest first."""
-        return await analysis_repo.find_all()
+        return await self._analysis_repo.find_all()
 
     async def find_by_id(self, job_id: str) -> AnalysisJob | None:
         """Find an analysis job by ID, or return None."""
-        return await analysis_repo.find_by_id(job_id)
+        return await self._analysis_repo.find_by_id(job_id)
 
     async def delete(self, job_id: str) -> bool:
         """Delete an analysis job, cancelling any running task. Returns True if it existed."""
@@ -170,11 +138,11 @@ class AnalysisService:
         if task and not task.done():
             task.cancel()
             logger.info("Cancelled running task for job %s", job_id)
-        return await analysis_repo.delete(job_id)
+        return await self._analysis_repo.delete(job_id)
 
     async def rechunk(self, job_id: str, chunking_options: dict) -> list[ChunkResult]:
         """Re-chunk an existing completed analysis with new options."""
-        job = await analysis_repo.find_by_id(job_id)
+        job = await self._analysis_repo.find_by_id(job_id)
         if not job:
             raise ValueError(f"Analysis not found: {job_id}")
         if job.status != AnalysisStatus.COMPLETED:
@@ -188,7 +156,7 @@ class AnalysisService:
         chunks = await self._chunker.chunk(job.document_json, options)
 
         chunks_json = json.dumps([_chunk_to_dict(c) for c in chunks])
-        await analysis_repo.update_chunks(job_id, chunks_json)
+        await self._analysis_repo.update_chunks(job_id, chunks_json)
 
         return chunks
 
@@ -206,7 +174,7 @@ class AnalysisService:
         Raises on batch failure (fail-fast: entire job fails).
         """
         num_batches = math.ceil(total_pages / batch_size)
-        await analysis_repo.update_progress(job_id, 0, total_pages)
+        await self._analysis_repo.update_progress(job_id, 0, total_pages)
         logger.info(
             "Batched conversion: %d pages in %d batches of %d for job %s",
             total_pages,
@@ -220,7 +188,7 @@ class AnalysisService:
             start = batch_idx * batch_size + 1
             end = min(start + batch_size - 1, total_pages)
 
-            if not await analysis_repo.find_by_id(job_id):
+            if not await self._analysis_repo.find_by_id(job_id):
                 logger.info(
                     "Job %s deleted during batch %d/%d, aborting",
                     job_id,
@@ -240,7 +208,7 @@ class AnalysisService:
                 ) from exc
 
             results.append(batch_result)
-            await analysis_repo.update_progress(job_id, end, total_pages)
+            await self._analysis_repo.update_progress(job_id, end, total_pages)
             logger.info(
                 "Batch %d/%d done (pages %d-%d) for job %s",
                 batch_idx + 1,
@@ -250,12 +218,37 @@ class AnalysisService:
                 job_id,
             )
 
-        return _merge_results(results)
+        return merge_results(results)
 
     def _on_task_done(self, task: asyncio.Task, *, job_id: str) -> None:
-        """Cleanup running tasks and delegate to module-level handler."""
+        """Cleanup running tasks and handle failures."""
         self._running_tasks.pop(job_id, None)
-        _on_task_done(task, job_id=job_id)
+        if task.cancelled():
+            logger.warning("Analysis task was cancelled: %s", job_id)
+            self._schedule_mark_failed(job_id, "Task was cancelled")
+            return
+        exc = task.exception()
+        if exc:
+            logger.error("Unhandled exception in analysis task %s: %s", job_id, exc, exc_info=True)
+            self._schedule_mark_failed(job_id, classify_error(exc))
+
+    def _schedule_mark_failed(self, job_id: str, error: str) -> None:
+        """Schedule _mark_failed as a tracked background task."""
+        t = asyncio.ensure_future(self._mark_failed(job_id, error))
+        self._background_tasks.add(t)
+        t.add_done_callback(self._background_tasks.discard)
+
+    async def _mark_failed(self, job_id: str, error: str) -> None:
+        """Safely mark a job as failed, handling DB errors gracefully."""
+        try:
+            job = await self._analysis_repo.find_by_id(job_id)
+            if job:
+                job.mark_failed(error)
+                await self._analysis_repo.update_status(job)
+        except OSError:
+            logger.exception("Database I/O error marking job %s as failed", job_id)
+        except Exception:
+            logger.exception("Unexpected error marking job %s as failed", job_id)
 
     async def _run_analysis(
         self,
@@ -285,22 +278,22 @@ class AnalysisService:
     ) -> None:
         """Inner analysis logic — called under the concurrency semaphore."""
         try:
-            job = await analysis_repo.find_by_id(job_id)
+            job = await self._analysis_repo.find_by_id(job_id)
             if not job:
                 logger.error("Analysis job %s not found", job_id)
                 return
 
             job.mark_running()
-            await analysis_repo.update_status(job)
+            await self._analysis_repo.update_status(job)
             logger.info("Analysis started: %s (file: %s)", job_id, filename)
 
             opts_dict = pipeline_options or {}
             if "table_mode" not in opts_dict:
-                opts_dict = {**opts_dict, "table_mode": settings.default_table_mode}
+                opts_dict = {**opts_dict, "table_mode": self._config.default_table_mode}
             options = ConversionOptions(**opts_dict)
 
             total_pages = _count_pdf_pages(file_path)
-            batch_size = settings.batch_page_size
+            batch_size = self._config.batch_page_size
 
             if batch_size > 0 and total_pages > batch_size:
                 result = await self._run_batched_conversion(
@@ -329,7 +322,7 @@ class AnalysisService:
 
             # Re-read the job so we don't lose progress_current/progress_total
             # written to the DB during batched conversion.
-            job = await analysis_repo.find_by_id(job_id) or job
+            job = await self._analysis_repo.find_by_id(job_id) or job
             job.mark_completed(
                 markdown=result.content_markdown,
                 html=result.content_html,
@@ -337,81 +330,19 @@ class AnalysisService:
                 document_json=result.document_json,
                 chunks_json=chunks_json,
             )
-            await analysis_repo.update_status(job)
+            await self._analysis_repo.update_status(job)
 
             if result.page_count:
-                await document_repo.update_page_count(job.document_id, result.page_count)
+                await self._document_repo.update_page_count(job.document_id, result.page_count)
 
             logger.info("Analysis completed: %s (%d pages)", job_id, result.page_count)
 
         except TimeoutError:
             logger.error("Analysis timed out after %ds: %s", self._conversion_timeout, job_id)
-            await _mark_failed(job_id, f"Conversion timed out after {self._conversion_timeout}s")
+            await self._mark_failed(
+                job_id, f"Conversion timed out after {self._conversion_timeout}s"
+            )
 
         except Exception as e:
             logger.exception("Analysis failed: %s", job_id)
-            await _mark_failed(job_id, _classify_error(e))
-
-
-def _classify_error(exc: Exception) -> str:
-    """Return a user-friendly error message based on the exception type/content."""
-    msg = str(exc).lower()
-
-    if "invalidcxxcompiler" in msg or "no working c++ compiler" in msg:
-        return "Missing C++ compiler — set TORCHDYNAMO_DISABLE=1 to work around this"
-
-    if "out of memory" in msg or "oom" in msg:
-        return "Out of memory — try a smaller document or disable table structure analysis"
-
-    if "could not acquire converter lock" in msg:
-        return "Server busy — a previous conversion is still running. Please retry later"
-
-    if "pipeline" in msg and "failed" in msg:
-        return "Document processing failed — the document may be corrupted or unsupported"
-
-    if "timeout" in msg:
-        return "Processing took too long — try with fewer pages or simpler options"
-
-    # Fallback: truncate raw error to something reasonable
-    raw = str(exc)
-    if len(raw) > 200:
-        raw = raw[:200] + "…"
-    return raw
-
-
-_background_tasks: set[asyncio.Task] = set()
-
-
-def _on_task_done(task: asyncio.Task, *, job_id: str) -> None:
-    """Log unhandled exceptions from background analysis tasks and mark job as FAILED."""
-    if task.cancelled():
-        logger.warning("Analysis task was cancelled: %s", job_id)
-        _schedule_mark_failed(job_id, "Task was cancelled")
-        return
-    exc = task.exception()
-    if exc:
-        logger.error("Unhandled exception in analysis task %s: %s", job_id, exc, exc_info=True)
-        _schedule_mark_failed(job_id, _classify_error(exc))
-
-
-# Keep the module-level function as the default, but AnalysisService uses its own method.
-
-
-def _schedule_mark_failed(job_id: str, error: str) -> None:
-    """Schedule _mark_failed as a tracked background task."""
-    t = asyncio.ensure_future(_mark_failed(job_id, error))
-    _background_tasks.add(t)
-    t.add_done_callback(_background_tasks.discard)
-
-
-async def _mark_failed(job_id: str, error: str) -> None:
-    """Safely mark a job as failed, handling DB errors gracefully."""
-    try:
-        job = await analysis_repo.find_by_id(job_id)
-        if job:
-            job.mark_failed(error)
-            await analysis_repo.update_status(job)
-    except OSError:
-        logger.exception("Database I/O error marking job %s as failed", job_id)
-    except Exception:
-        logger.exception("Unexpected error marking job %s as failed", job_id)
+            await self._mark_failed(job_id, classify_error(e))
diff --git a/document-parser/services/document_service.py b/document-parser/services/document_service.py
index d0a7854..1ea85c3 100644
--- a/document-parser/services/document_service.py
+++ b/document-parser/services/document_service.py
@@ -6,113 +6,149 @@ import io
 import logging
 import os
 import uuid
+from dataclasses import dataclass
+from typing import TYPE_CHECKING
 
 from pdf2image import convert_from_bytes, pdfinfo_from_bytes
 
 from domain.models import Document
-from infra.settings import settings
-from persistence import analysis_repo, document_repo
+
+if TYPE_CHECKING:
+    from domain.ports import AnalysisRepository, DocumentRepository
 
 logger = logging.getLogger(__name__)
 
-UPLOAD_DIR = settings.upload_dir
-MAX_FILE_SIZE = settings.max_file_size_mb * 1024 * 1024 if settings.max_file_size_mb > 0 else 0
-MAX_PAGE_COUNT = settings.max_page_count  # 0 = unlimited
-
 
 # PDF magic bytes: %PDF
 _PDF_MAGIC = b"%PDF"
 
-
 _UPLOAD_CHUNK_SIZE = 64 * 1024  # 64 KB chunks for streaming writes
 
 
-async def upload(filename: str, content_type: str, file_content: bytes) -> Document:
-    """Save uploaded file to disk and persist metadata.
+@dataclass
+class DocumentConfig:
+    """Configuration values needed by DocumentService, extracted from settings."""
 
-    Writes the file in fixed-size chunks to keep peak memory usage low.
-    """
-    if MAX_FILE_SIZE > 0 and len(file_content) > MAX_FILE_SIZE:
-        raise ValueError(f"File too large (max {settings.max_file_size_mb} MB)")
-
-    if not file_content[:4].startswith(_PDF_MAGIC):
-        raise ValueError("Invalid file: not a PDF document")
-
-    os.makedirs(UPLOAD_DIR, exist_ok=True)
-
-    ext = ".pdf"  # Content already validated as PDF
-    safe_name = f"{uuid.uuid4()}{ext}"
-    file_path = os.path.join(UPLOAD_DIR, safe_name)
-
-    # Write in chunks to avoid doubling memory usage for large files
-    with open(file_path, "wb") as f:
-        for offset in range(0, len(file_content), _UPLOAD_CHUNK_SIZE):
-            f.write(file_content[offset : offset + _UPLOAD_CHUNK_SIZE])
-
-    # Count PDF pages
-    page_count = _count_pages(file_content)
-
-    if MAX_PAGE_COUNT > 0 and page_count is not None and page_count > MAX_PAGE_COUNT:
-        os.unlink(file_path)
-        raise ValueError(f"Too many pages ({page_count}). Maximum allowed: {MAX_PAGE_COUNT}")
-
-    doc = Document(
-        filename=filename,
-        content_type=content_type,
-        file_size=len(file_content),
-        page_count=page_count,
-        storage_path=os.path.abspath(file_path),
-    )
-    await document_repo.insert(doc)
-    return doc
+    upload_dir: str = "uploads"
+    max_file_size_mb: int = 0
+    max_page_count: int = 0
 
 
-async def find_all() -> list[Document]:
-    """Return all documents, newest first."""
-    return await document_repo.find_all()
+class DocumentService:
+    """Orchestrates document upload, storage, and preview."""
 
+    def __init__(
+        self,
+        document_repo: DocumentRepository,
+        analysis_repo: AnalysisRepository,
+        config: DocumentConfig,
+    ):
+        self._document_repo = document_repo
+        self._analysis_repo = analysis_repo
+        self._config = config
+        self._upload_dir = config.upload_dir
+        self._max_file_size = (
+            config.max_file_size_mb * 1024 * 1024 if config.max_file_size_mb > 0 else 0
+        )
+        self._max_page_count = config.max_page_count
 
-async def find_by_id(doc_id: str) -> Document | None:
-    """Find a document by its ID, or return None."""
-    return await document_repo.find_by_id(doc_id)
+    @property
+    def max_file_size(self) -> int:
+        return self._max_file_size
 
+    @property
+    def max_file_size_mb(self) -> int:
+        return self._config.max_file_size_mb
 
-async def delete(doc_id: str) -> bool:
-    """Delete document file, associated analyses, and database record."""
-    doc = await document_repo.find_by_id(doc_id)
-    if not doc:
-        return False
+    async def upload(self, filename: str, content_type: str, file_content: bytes) -> Document:
+        """Save uploaded file to disk and persist metadata.
 
-    # Delete associated analyses first (cascade)
-    await analysis_repo.delete_by_document(doc_id)
+        Writes the file in fixed-size chunks to keep peak memory usage low.
+        """
+        if self._max_file_size > 0 and len(file_content) > self._max_file_size:
+            raise ValueError(f"File too large (max {self._config.max_file_size_mb} MB)")
 
-    # Delete file from disk (only if inside UPLOAD_DIR)
-    try:
-        real_path = os.path.realpath(doc.storage_path)
-        real_upload_dir = os.path.realpath(UPLOAD_DIR)
-        if real_path.startswith(real_upload_dir + os.sep) and os.path.exists(real_path):
-            os.unlink(real_path)
-        elif os.path.exists(doc.storage_path):
-            logger.warning("Refused to delete file outside upload dir: %s", doc.storage_path)
-    except FileNotFoundError:
-        logger.info("File already removed: %s", doc.storage_path)
-    except PermissionError:
-        logger.error("Permission denied deleting file: %s", doc.storage_path)
-    except OSError:
-        logger.warning("Could not delete file: %s", doc.storage_path, exc_info=True)
+        if not file_content[:4].startswith(_PDF_MAGIC):
+            raise ValueError("Invalid file: not a PDF document")
 
-    return await document_repo.delete(doc_id)
+        os.makedirs(self._upload_dir, exist_ok=True)
 
+        ext = ".pdf"  # Content already validated as PDF
+        safe_name = f"{uuid.uuid4()}{ext}"
+        file_path = os.path.join(self._upload_dir, safe_name)
 
-def generate_preview(file_content: bytes, page: int = 1, dpi: int = 150) -> bytes:
-    """Generate a PNG preview of a specific PDF page."""
-    images = convert_from_bytes(file_content, first_page=page, last_page=page, dpi=dpi)
-    if not images:
-        raise ValueError(f"Page {page} not found")
+        # Write in chunks to avoid doubling memory usage for large files
+        with open(file_path, "wb") as f:
+            for offset in range(0, len(file_content), _UPLOAD_CHUNK_SIZE):
+                f.write(file_content[offset : offset + _UPLOAD_CHUNK_SIZE])
 
-    buf = io.BytesIO()
-    images[0].save(buf, format="PNG")
-    return buf.getvalue()
+        # Count PDF pages
+        page_count = _count_pages(file_content)
+
+        if (
+            self._max_page_count > 0
+            and page_count is not None
+            and page_count > self._max_page_count
+        ):
+            os.unlink(file_path)
+            raise ValueError(
+                f"Too many pages ({page_count}). Maximum allowed: {self._max_page_count}"
+            )
+
+        doc = Document(
+            filename=filename,
+            content_type=content_type,
+            file_size=len(file_content),
+            page_count=page_count,
+            storage_path=os.path.abspath(file_path),
+        )
+        await self._document_repo.insert(doc)
+        return doc
+
+    async def find_all(self) -> list[Document]:
+        """Return all documents, newest first."""
+        return await self._document_repo.find_all()
+
+    async def find_by_id(self, doc_id: str) -> Document | None:
+        """Find a document by its ID, or return None."""
+        return await self._document_repo.find_by_id(doc_id)
+
+    async def delete(self, doc_id: str) -> bool:
+        """Delete document file, associated analyses, and database record."""
+        doc = await self._document_repo.find_by_id(doc_id)
+        if not doc:
+            return False
+
+        # Delete associated analyses first (cascade)
+        await self._analysis_repo.delete_by_document(doc_id)
+
+        # Delete file from disk (only if inside upload dir)
+        try:
+            real_path = os.path.realpath(doc.storage_path)
+            real_upload_dir = os.path.realpath(self._upload_dir)
+            if real_path.startswith(real_upload_dir + os.sep) and os.path.exists(real_path):
+                os.unlink(real_path)
+            elif os.path.exists(doc.storage_path):
+                logger.warning("Refused to delete file outside upload dir: %s", doc.storage_path)
+        except FileNotFoundError:
+            logger.info("File already removed: %s", doc.storage_path)
+        except PermissionError:
+            logger.error("Permission denied deleting file: %s", doc.storage_path)
+        except OSError:
+            logger.warning("Could not delete file: %s", doc.storage_path, exc_info=True)
+
+        return await self._document_repo.delete(doc_id)
+
+    @staticmethod
+    def generate_preview(file_content: bytes, page: int = 1, dpi: int = 150) -> bytes:
+        """Generate a PNG preview of a specific PDF page."""
+        images = convert_from_bytes(file_content, first_page=page, last_page=page, dpi=dpi)
+        if not images:
+            raise ValueError(f"Page {page} not found")
+
+        buf = io.BytesIO()
+        images[0].save(buf, format="PNG")
+        return buf.getvalue()
 
 
 def _count_pages(file_content: bytes) -> int | None:
diff --git a/document-parser/tests/test_analysis_service.py b/document-parser/tests/test_analysis_service.py
index afb8c4c..a33db28 100644
--- a/document-parser/tests/test_analysis_service.py
+++ b/document-parser/tests/test_analysis_service.py
@@ -8,14 +8,20 @@ from unittest.mock import AsyncMock, MagicMock, patch
 
 import pytest
 
+from domain.services import extract_html_body, merge_results
 from domain.value_objects import ConversionResult, PageDetail
-from services.analysis_service import (
-    AnalysisService,
-    _count_pdf_pages,
-    _extract_html_body,
-    _merge_results,
-    _on_task_done,
-)
+from services.analysis_service import AnalysisConfig, AnalysisService, _count_pdf_pages
+
+
+def _make_service(**kwargs) -> AnalysisService:
+    """Create an AnalysisService with mock repos for testing."""
+    defaults = {
+        "converter": MagicMock(),
+        "analysis_repo": MagicMock(),
+        "document_repo": MagicMock(),
+    }
+    defaults.update(kwargs)
+    return AnalysisService(**defaults)
 
 
 class TestOnTaskDone:
@@ -25,25 +31,25 @@ class TestOnTaskDone:
     async def test_exception_marks_job_failed(self):
         """When a background task raises, the job should be marked FAILED."""
         job_id = "job-123"
+        service = _make_service()
 
-        # Create a task that raises
         async def failing_task():
             raise RuntimeError("unexpected failure")
 
         task = asyncio.create_task(failing_task())
-        await asyncio.sleep(0)  # let the task fail
+        await asyncio.sleep(0)
 
-        with patch("services.analysis_service._mark_failed", new_callable=AsyncMock) as mock_mark:
-            _on_task_done(task, job_id=job_id)
-            # ensure_future schedules it; give the event loop a tick
+        with patch.object(service, "_mark_failed", new_callable=AsyncMock) as mock_mark:
+            service._on_task_done(task, job_id=job_id)
             await asyncio.sleep(0)
 
         mock_mark.assert_called_once_with(job_id, "unexpected failure")
 
     @pytest.mark.asyncio
     async def test_exception_uses_classify_error(self):
-        """_on_task_done should route exceptions through _classify_error."""
+        """_on_task_done should route exceptions through classify_error."""
         job_id = "job-classify"
+        service = _make_service()
 
         async def timeout_task():
             raise TimeoutError("timeout exceeded while processing")
@@ -51,8 +57,8 @@ class TestOnTaskDone:
         task = asyncio.create_task(timeout_task())
         await asyncio.sleep(0)
 
-        with patch("services.analysis_service._mark_failed", new_callable=AsyncMock) as mock_mark:
-            _on_task_done(task, job_id=job_id)
+        with patch.object(service, "_mark_failed", new_callable=AsyncMock) as mock_mark:
+            service._on_task_done(task, job_id=job_id)
             await asyncio.sleep(0)
 
         mock_mark.assert_called_once_with(
@@ -63,6 +69,7 @@ class TestOnTaskDone:
     async def test_cancelled_task_marks_job_failed(self):
         """When a background task is cancelled, the job should be marked FAILED."""
         job_id = "job-456"
+        service = _make_service()
 
         async def slow_task():
             await asyncio.sleep(999)
@@ -74,8 +81,8 @@ class TestOnTaskDone:
         with contextlib.suppress(asyncio.CancelledError):
             await task
 
-        with patch("services.analysis_service._mark_failed", new_callable=AsyncMock) as mock_mark:
-            _on_task_done(task, job_id=job_id)
+        with patch.object(service, "_mark_failed", new_callable=AsyncMock) as mock_mark:
+            service._on_task_done(task, job_id=job_id)
             await asyncio.sleep(0)
 
         mock_mark.assert_called_once_with(job_id, "Task was cancelled")
@@ -84,6 +91,7 @@ class TestOnTaskDone:
     async def test_successful_task_does_not_mark_failed(self):
         """When a background task succeeds, _mark_failed should not be called."""
         job_id = "job-789"
+        service = _make_service()
 
         async def ok_task():
             return "done"
@@ -91,8 +99,8 @@ class TestOnTaskDone:
         task = asyncio.create_task(ok_task())
         await task
 
-        with patch("services.analysis_service._mark_failed", new_callable=AsyncMock) as mock_mark:
-            _on_task_done(task, job_id=job_id)
+        with patch.object(service, "_mark_failed", new_callable=AsyncMock) as mock_mark:
+            service._on_task_done(task, job_id=job_id)
             await asyncio.sleep(0)
 
         mock_mark.assert_not_called()
@@ -104,8 +112,9 @@ class TestAnalysisServiceCancellation:
     @pytest.mark.asyncio
     async def test_delete_cancels_running_task(self):
         """Deleting a job while running should cancel its task."""
-        converter = MagicMock()
-        service = AnalysisService(converter=converter)
+        mock_analysis_repo = MagicMock()
+        mock_analysis_repo.delete = AsyncMock(return_value=True)
+        service = _make_service(analysis_repo=mock_analysis_repo)
 
         blocker = asyncio.Event()
 
@@ -115,9 +124,7 @@ class TestAnalysisServiceCancellation:
         task = asyncio.create_task(slow_analysis())
         service._running_tasks["j1"] = task
 
-        with patch("services.analysis_service.analysis_repo") as mock_repo:
-            mock_repo.delete = AsyncMock(return_value=True)
-            result = await service.delete("j1")
+        result = await service.delete("j1")
 
         assert result is True
         assert task.cancelling() or task.cancelled()
@@ -126,20 +133,18 @@ class TestAnalysisServiceCancellation:
     @pytest.mark.asyncio
     async def test_delete_completed_job_no_error(self):
         """Deleting a completed job should not raise even if no task tracked."""
-        converter = MagicMock()
-        service = AnalysisService(converter=converter)
+        mock_analysis_repo = MagicMock()
+        mock_analysis_repo.delete = AsyncMock(return_value=True)
+        service = _make_service(analysis_repo=mock_analysis_repo)
 
-        with patch("services.analysis_service.analysis_repo") as mock_repo:
-            mock_repo.delete = AsyncMock(return_value=True)
-            result = await service.delete("j-gone")
+        result = await service.delete("j-gone")
 
         assert result is True
 
     @pytest.mark.asyncio
     async def test_task_cleaned_from_running_on_completion(self):
         """After a task completes, it should be removed from _running_tasks."""
-        converter = MagicMock()
-        service = AnalysisService(converter=converter)
+        service = _make_service()
 
         async def instant():
             pass
@@ -156,13 +161,11 @@ class TestAnalysisServiceConcurrency:
     """Verify that the semaphore limits concurrent analysis jobs."""
 
     def test_semaphore_initialized_with_max_concurrent(self):
-        converter = MagicMock()
-        service = AnalysisService(converter=converter, max_concurrent=5)
+        service = _make_service(max_concurrent=5)
         assert service._semaphore._value == 5
 
     def test_default_max_concurrent(self):
-        converter = MagicMock()
-        service = AnalysisService(converter=converter)
+        service = _make_service()
         assert service._semaphore._value == 3
 
     @pytest.mark.asyncio
@@ -171,8 +174,7 @@ class TestAnalysisServiceConcurrency:
         call_order: list[str] = []
         blocker = asyncio.Event()
 
-        converter = MagicMock()
-        service = AnalysisService(converter=converter, max_concurrent=1)
+        service = _make_service(max_concurrent=1)
 
         async def fake_inner(self, *args, **kwargs):
             call_order.append("start")
@@ -203,7 +205,6 @@ class TestAnalysisServiceConcurrency:
 class TestCountPdfPages:
     def test_valid_pdf(self, tmp_path):
         """A real (minimal) PDF should return its page count."""
-        # Create a minimal valid 1-page PDF using pypdfium2
         import pypdfium2 as pdfium
 
         pdf = pdfium.PdfDocument.new()
@@ -234,20 +235,20 @@ class TestCountPdfPages:
 class TestExtractHtmlBody:
     def test_extracts_body(self):
         html = '<html><head></head><body class="x"><p>Hello</p></body></html>'
-        assert _extract_html_body(html) == "<p>Hello</p>"
+        assert extract_html_body(html) == "<p>Hello</p>"
 
     def test_no_body_tag_returns_raw(self):
         html = "<p>No body tag</p>"
-        assert _extract_html_body(html) == html
+        assert extract_html_body(html) == html
 
     def test_empty_body(self):
         html = "<html><body></body></html>"
-        assert _extract_html_body(html) == ""
+        assert extract_html_body(html) == ""
 
 
 class TestMergeResults:
     def test_empty_list(self):
-        result = _merge_results([])
+        result = merge_results([])
         assert result.page_count == 0
         assert result.content_markdown == ""
         assert result.pages == []
@@ -261,7 +262,7 @@ class TestMergeResults:
             pages=[PageDetail(page_number=1, width=612, height=792)],
             document_json='{"pages": {}}',
         )
-        merged = _merge_results([r])
+        merged = merge_results([r])
         assert merged.page_count == 3
         assert merged.content_markdown == "# Page 1"
         assert merged.pages == [PageDetail(page_number=1, width=612, height=792)]
@@ -288,7 +289,7 @@ class TestMergeResults:
             ],
             skipped_items=2,
         )
-        merged = _merge_results([r1, r2])
+        merged = merge_results([r1, r2])
         assert merged.page_count == 4
         assert merged.content_markdown == "# Batch 1\n\n# Batch 2"
         assert len(merged.pages) == 4
@@ -330,19 +331,23 @@ class TestBatchedConversion:
             ),
         ]
 
-        service = AnalysisService(converter=converter, conversion_timeout=60)
+        mock_analysis_repo = MagicMock()
+        mock_analysis_repo.find_by_id = AsyncMock(return_value=MagicMock())
+        mock_analysis_repo.update_progress = AsyncMock()
 
-        with patch("services.analysis_service.analysis_repo") as mock_repo:
-            mock_repo.find_by_id = AsyncMock(return_value=MagicMock())
-            mock_repo.update_progress = AsyncMock()
+        service = _make_service(
+            converter=converter,
+            analysis_repo=mock_analysis_repo,
+            conversion_timeout=60,
+        )
 
-            result = await service._run_batched_conversion(
-                "job-1",
-                "/fake.pdf",
-                MagicMock(),
-                total_pages=8,
-                batch_size=5,
-            )
+        result = await service._run_batched_conversion(
+            "job-1",
+            "/fake.pdf",
+            MagicMock(),
+            total_pages=8,
+            batch_size=5,
+        )
 
         assert result is not None
         assert result.page_count == 8
@@ -370,20 +375,24 @@ class TestBatchedConversion:
             RuntimeError("OOM"),
         ]
 
-        service = AnalysisService(converter=converter, conversion_timeout=60)
+        mock_analysis_repo = MagicMock()
+        mock_analysis_repo.find_by_id = AsyncMock(return_value=MagicMock())
+        mock_analysis_repo.update_progress = AsyncMock()
 
-        with patch("services.analysis_service.analysis_repo") as mock_repo:
-            mock_repo.find_by_id = AsyncMock(return_value=MagicMock())
-            mock_repo.update_progress = AsyncMock()
+        service = _make_service(
+            converter=converter,
+            analysis_repo=mock_analysis_repo,
+            conversion_timeout=60,
+        )
 
-            with pytest.raises(RuntimeError, match=r"Batch 2/2 \(pages 6-8\) failed: OOM"):
-                await service._run_batched_conversion(
-                    "job-fail",
-                    "/fake.pdf",
-                    MagicMock(),
-                    total_pages=8,
-                    batch_size=5,
-                )
+        with pytest.raises(RuntimeError, match=r"Batch 2/2 \(pages 6-8\) failed: OOM"):
+            await service._run_batched_conversion(
+                "job-fail",
+                "/fake.pdf",
+                MagicMock(),
+                total_pages=8,
+                batch_size=5,
+            )
 
     @pytest.mark.asyncio
     async def test_progress_preserved_through_full_analysis_flow(self):
@@ -412,8 +421,6 @@ class TestBatchedConversion:
             ),
         ]
 
-        service = AnalysisService(converter=converter, conversion_timeout=60)
-
         # Simulated DB state: find_by_id is called 4 times:
         #   1) start of _run_analysis_inner (initial load)
         #   2) batch 1 mid-flight deletion check
@@ -442,21 +449,27 @@ class TestBatchedConversion:
         async def capture_update_status(job):
             saved_jobs.append(job)
 
-        with (
-            patch("services.analysis_service.analysis_repo") as mock_repo,
-            patch("services.analysis_service.document_repo") as mock_doc_repo,
-            patch("services.analysis_service._count_pdf_pages", return_value=8),
-            patch("services.analysis_service.settings") as mock_settings,
-        ):
-            mock_settings.batch_page_size = 5
-            mock_settings.default_table_mode = "accurate"
-            mock_repo.find_by_id = AsyncMock(
-                side_effect=[initial_job, batch_check_job, batch_check_job, refreshed_job]
-            )
-            mock_repo.update_status = AsyncMock(side_effect=capture_update_status)
-            mock_repo.update_progress = AsyncMock()
-            mock_doc_repo.update_page_count = AsyncMock()
+        mock_analysis_repo = MagicMock()
+        mock_analysis_repo.find_by_id = AsyncMock(
+            side_effect=[initial_job, batch_check_job, batch_check_job, refreshed_job]
+        )
+        mock_analysis_repo.update_status = AsyncMock(side_effect=capture_update_status)
+        mock_analysis_repo.update_progress = AsyncMock()
 
+        mock_document_repo = MagicMock()
+        mock_document_repo.update_page_count = AsyncMock()
+
+        config = AnalysisConfig(default_table_mode="accurate", batch_page_size=5)
+
+        service = AnalysisService(
+            converter=converter,
+            analysis_repo=mock_analysis_repo,
+            document_repo=mock_document_repo,
+            conversion_timeout=60,
+            config=config,
+        )
+
+        with patch("services.analysis_service._count_pdf_pages", return_value=8):
             await service._run_analysis_inner("job-progress", "/fake.pdf", "fake.pdf")
 
         # The last update_status call is the COMPLETED one
@@ -480,20 +493,24 @@ class TestBatchedConversion:
             pages=[PageDetail(page_number=i, width=612, height=792) for i in range(1, 6)],
         )
 
-        service = AnalysisService(converter=converter, conversion_timeout=60)
-
+        mock_analysis_repo = MagicMock()
         # First check returns job, second returns None (deleted)
-        with patch("services.analysis_service.analysis_repo") as mock_repo:
-            mock_repo.find_by_id = AsyncMock(side_effect=[MagicMock(), None])
-            mock_repo.update_progress = AsyncMock()
+        mock_analysis_repo.find_by_id = AsyncMock(side_effect=[MagicMock(), None])
+        mock_analysis_repo.update_progress = AsyncMock()
 
-            result = await service._run_batched_conversion(
-                "job-del",
-                "/fake.pdf",
-                MagicMock(),
-                total_pages=10,
-                batch_size=5,
-            )
+        service = _make_service(
+            converter=converter,
+            analysis_repo=mock_analysis_repo,
+            conversion_timeout=60,
+        )
+
+        result = await service._run_batched_conversion(
+            "job-del",
+            "/fake.pdf",
+            MagicMock(),
+            total_pages=10,
+            batch_size=5,
+        )
 
         assert result is None
         # Only first batch should have been converted
diff --git a/document-parser/tests/test_api_endpoints.py b/document-parser/tests/test_api_endpoints.py
index 40196f1..97c154e 100644
--- a/document-parser/tests/test_api_endpoints.py
+++ b/document-parser/tests/test_api_endpoints.py
@@ -1,6 +1,6 @@
 """Tests for FastAPI API endpoints using TestClient."""
 
-from unittest.mock import AsyncMock, MagicMock, patch
+from unittest.mock import AsyncMock, MagicMock
 
 import pytest
 from fastapi.testclient import TestClient
@@ -24,6 +24,18 @@ def mock_analysis_service(client):
     app.state.analysis_service = original
 
 
+@pytest.fixture
+def mock_document_service(client):
+    """Inject a mock DocumentService into app.state for the duration of the test."""
+    mock_svc = MagicMock()
+    mock_svc.max_file_size = 50 * 1024 * 1024
+    mock_svc.max_file_size_mb = 50
+    original = getattr(app.state, "document_service", None)
+    app.state.document_service = mock_svc
+    yield mock_svc
+    app.state.document_service = original
+
+
 class TestHealthEndpoint:
     def test_health(self, client):
         resp = client.get("/api/health")
@@ -41,12 +53,13 @@ class TestHealthEndpoint:
 
 
 class TestDocumentEndpoints:
-    @patch("services.document_service.find_all", new_callable=AsyncMock)
-    def test_list_documents(self, mock_find_all, client):
-        mock_find_all.return_value = [
-            Document(id="d1", filename="a.pdf", storage_path="/tmp/a"),
-            Document(id="d2", filename="b.pdf", storage_path="/tmp/b"),
-        ]
+    def test_list_documents(self, client, mock_document_service):
+        mock_document_service.find_all = AsyncMock(
+            return_value=[
+                Document(id="d1", filename="a.pdf", storage_path="/tmp/a"),
+                Document(id="d2", filename="b.pdf", storage_path="/tmp/b"),
+            ]
+        )
 
         resp = client.get("/api/documents")
         assert resp.status_code == 200
@@ -57,15 +70,16 @@ class TestDocumentEndpoints:
         # Verify camelCase
         assert "createdAt" in data[0]
 
-    @patch("services.document_service.find_by_id", new_callable=AsyncMock)
-    def test_get_document(self, mock_find, client):
-        mock_find.return_value = Document(
-            id="d1",
-            filename="test.pdf",
-            content_type="application/pdf",
-            file_size=2048,
-            page_count=3,
-            storage_path="/tmp/test",
+    def test_get_document(self, client, mock_document_service):
+        mock_document_service.find_by_id = AsyncMock(
+            return_value=Document(
+                id="d1",
+                filename="test.pdf",
+                content_type="application/pdf",
+                file_size=2048,
+                page_count=3,
+                storage_path="/tmp/test",
+            )
         )
 
         resp = client.get("/api/documents/d1")
@@ -75,21 +89,21 @@ class TestDocumentEndpoints:
         assert data["fileSize"] == 2048
         assert data["pageCount"] == 3
 
-    @patch("services.document_service.find_by_id", new_callable=AsyncMock)
-    def test_get_document_not_found(self, mock_find, client):
-        mock_find.return_value = None
+    def test_get_document_not_found(self, client, mock_document_service):
+        mock_document_service.find_by_id = AsyncMock(return_value=None)
 
         resp = client.get("/api/documents/missing")
         assert resp.status_code == 404
 
-    @patch("services.document_service.upload", new_callable=AsyncMock)
-    def test_upload_document(self, mock_upload, client):
-        mock_upload.return_value = Document(
-            id="new-1",
-            filename="uploaded.pdf",
-            content_type="application/pdf",
-            file_size=512,
-            storage_path="/tmp/uploaded",
+    def test_upload_document(self, client, mock_document_service):
+        mock_document_service.upload = AsyncMock(
+            return_value=Document(
+                id="new-1",
+                filename="uploaded.pdf",
+                content_type="application/pdf",
+                file_size=512,
+                storage_path="/tmp/uploaded",
+            )
         )
 
         resp = client.post(
@@ -101,9 +115,10 @@ class TestDocumentEndpoints:
         assert data["id"] == "new-1"
         assert data["filename"] == "uploaded.pdf"
 
-    @patch("services.document_service.upload", new_callable=AsyncMock)
-    def test_upload_too_large(self, mock_upload, client):
-        mock_upload.side_effect = ValueError("File too large (max 5 MB)")
+    def test_upload_too_large(self, client, mock_document_service):
+        mock_document_service.upload = AsyncMock(
+            side_effect=ValueError("File too large (max 5 MB)")
+        )
 
         resp = client.post(
             "/api/documents/upload",
@@ -111,29 +126,28 @@ class TestDocumentEndpoints:
         )
         assert resp.status_code == 400
 
-    @patch("services.document_service.find_by_id", new_callable=AsyncMock)
-    def test_preview_page_out_of_range(self, mock_find, client):
-        mock_find.return_value = Document(
-            id="d1",
-            filename="test.pdf",
-            page_count=3,
-            storage_path="/tmp/test.pdf",
+    def test_preview_page_out_of_range(self, client, mock_document_service):
+        mock_document_service.find_by_id = AsyncMock(
+            return_value=Document(
+                id="d1",
+                filename="test.pdf",
+                page_count=3,
+                storage_path="/tmp/test.pdf",
+            )
         )
 
         resp = client.get("/api/documents/d1/preview?page=10")
         assert resp.status_code == 400
         assert "out of range" in resp.json()["detail"]
 
-    @patch("services.document_service.delete", new_callable=AsyncMock)
-    def test_delete_document(self, mock_delete, client):
-        mock_delete.return_value = True
+    def test_delete_document(self, client, mock_document_service):
+        mock_document_service.delete = AsyncMock(return_value=True)
 
         resp = client.delete("/api/documents/d1")
         assert resp.status_code == 204
 
-    @patch("services.document_service.delete", new_callable=AsyncMock)
-    def test_delete_document_not_found(self, mock_delete, client):
-        mock_delete.return_value = False
+    def test_delete_document_not_found(self, client, mock_document_service):
+        mock_document_service.delete = AsyncMock(return_value=False)
 
         resp = client.delete("/api/documents/missing")
         assert resp.status_code == 404
diff --git a/document-parser/tests/test_document_service.py b/document-parser/tests/test_document_service.py
index b385357..66bb634 100644
--- a/document-parser/tests/test_document_service.py
+++ b/document-parser/tests/test_document_service.py
@@ -1,4 +1,4 @@
-"""Tests for document_service — upload, preview, page counting, and deletion."""
+"""Tests for DocumentService — upload, preview, page counting, and deletion."""
 
 from __future__ import annotations
 
@@ -8,82 +8,87 @@ from unittest.mock import AsyncMock, MagicMock, patch
 import pytest
 
 from domain.models import Document
-from services import document_service
+from services.document_service import DocumentConfig, DocumentService, _count_pages
+
+
+def _make_service(
+    upload_dir: str = "/tmp/uploads",
+    max_file_size_mb: int = 50,
+    max_page_count: int = 0,
+) -> DocumentService:
+    """Create a DocumentService with mock repos for testing."""
+    config = DocumentConfig(
+        upload_dir=upload_dir,
+        max_file_size_mb=max_file_size_mb,
+        max_page_count=max_page_count,
+    )
+    return DocumentService(
+        document_repo=AsyncMock(),
+        analysis_repo=AsyncMock(),
+        config=config,
+    )
 
 
 class TestUploadValidation:
     @pytest.mark.asyncio
     async def test_rejects_oversized_file(self):
-        content = b"x" * (document_service.MAX_FILE_SIZE + 1)
+        service = _make_service(max_file_size_mb=1)
+        content = b"x" * (1 * 1024 * 1024 + 1)
         with pytest.raises(ValueError, match="File too large"):
-            await document_service.upload("big.pdf", "application/pdf", content)
+            await service.upload("big.pdf", "application/pdf", content)
 
     @pytest.mark.asyncio
     async def test_rejects_non_pdf(self):
+        service = _make_service()
         content = b"NOT-A-PDF-FILE"
         with pytest.raises(ValueError, match="not a PDF"):
-            await document_service.upload("fake.pdf", "application/pdf", content)
+            await service.upload("fake.pdf", "application/pdf", content)
 
     @pytest.mark.asyncio
-    async def test_rejects_too_many_pages(self, tmp_path, monkeypatch):
-        monkeypatch.setattr(document_service, "UPLOAD_DIR", str(tmp_path))
-        monkeypatch.setattr(document_service, "MAX_PAGE_COUNT", 20)
+    async def test_rejects_too_many_pages(self, tmp_path):
+        service = _make_service(upload_dir=str(tmp_path), max_page_count=20)
 
-        with patch.object(document_service, "_count_pages", return_value=40):
+        with patch("services.document_service._count_pages", return_value=40):
             content = b"%PDF-1.4 fake pdf content"
             with pytest.raises(ValueError, match="Too many pages"):
-                await document_service.upload("big.pdf", "application/pdf", content)
+                await service.upload("big.pdf", "application/pdf", content)
 
         # Verify temp file was cleaned up
         assert len(os.listdir(tmp_path)) == 0
 
     @pytest.mark.asyncio
-    async def test_allows_pdf_under_page_limit(self, tmp_path, monkeypatch):
-        monkeypatch.setattr(document_service, "UPLOAD_DIR", str(tmp_path))
-        monkeypatch.setattr(document_service, "MAX_PAGE_COUNT", 20)
+    async def test_allows_pdf_under_page_limit(self, tmp_path):
+        service = _make_service(upload_dir=str(tmp_path), max_page_count=20)
 
-        mock_insert = AsyncMock()
-        with (
-            patch("persistence.document_repo.insert", mock_insert),
-            patch.object(document_service, "_count_pages", return_value=15),
-        ):
+        with patch("services.document_service._count_pages", return_value=15):
             content = b"%PDF-1.4 fake pdf content"
-            doc = await document_service.upload("ok.pdf", "application/pdf", content)
+            doc = await service.upload("ok.pdf", "application/pdf", content)
 
         assert doc.page_count == 15
-        mock_insert.assert_called_once()
+        service._document_repo.insert.assert_called_once()
 
     @pytest.mark.asyncio
-    async def test_unlimited_pages_when_zero(self, tmp_path, monkeypatch):
-        monkeypatch.setattr(document_service, "UPLOAD_DIR", str(tmp_path))
-        monkeypatch.setattr(document_service, "MAX_PAGE_COUNT", 0)
+    async def test_unlimited_pages_when_zero(self, tmp_path):
+        service = _make_service(upload_dir=str(tmp_path), max_page_count=0)
 
-        mock_insert = AsyncMock()
-        with (
-            patch("persistence.document_repo.insert", mock_insert),
-            patch.object(document_service, "_count_pages", return_value=100),
-        ):
+        with patch("services.document_service._count_pages", return_value=100):
             content = b"%PDF-1.4 fake pdf content"
-            doc = await document_service.upload("big.pdf", "application/pdf", content)
+            doc = await service.upload("big.pdf", "application/pdf", content)
 
         assert doc.page_count == 100
 
     @pytest.mark.asyncio
-    async def test_accepts_valid_pdf(self, tmp_path, monkeypatch):
-        monkeypatch.setattr(document_service, "UPLOAD_DIR", str(tmp_path))
+    async def test_accepts_valid_pdf(self, tmp_path):
+        service = _make_service(upload_dir=str(tmp_path))
 
-        mock_insert = AsyncMock()
-        with (
-            patch("persistence.document_repo.insert", mock_insert),
-            patch.object(document_service, "_count_pages", return_value=5),
-        ):
+        with patch("services.document_service._count_pages", return_value=5):
             content = b"%PDF-1.4 fake pdf content"
-            doc = await document_service.upload("test.pdf", "application/pdf", content)
+            doc = await service.upload("test.pdf", "application/pdf", content)
 
         assert doc.filename == "test.pdf"
         assert doc.file_size == len(content)
         assert doc.page_count == 5
-        mock_insert.assert_called_once()
+        service._document_repo.insert.assert_called_once()
 
         # Verify file was actually written to disk
         assert os.path.exists(doc.storage_path)
@@ -98,7 +103,7 @@ class TestGeneratePreview:
             patch("services.document_service.convert_from_bytes", return_value=[]),
             pytest.raises(ValueError, match="Page 1 not found"),
         ):
-            document_service.generate_preview(b"%PDF-fake", page=1)
+            DocumentService.generate_preview(b"%PDF-fake", page=1)
 
     def test_returns_png_bytes(self):
         """generate_preview should return PNG bytes from pdf2image."""
@@ -106,7 +111,7 @@ class TestGeneratePreview:
         mock_image.save = MagicMock(side_effect=lambda buf, format: buf.write(b"PNG-DATA"))
 
         with patch("services.document_service.convert_from_bytes", return_value=[mock_image]):
-            result = document_service.generate_preview(b"%PDF-fake", page=1, dpi=72)
+            result = DocumentService.generate_preview(b"%PDF-fake", page=1, dpi=72)
 
         assert result == b"PNG-DATA"
 
@@ -117,21 +122,19 @@ class TestCountPages:
             "services.document_service.pdfinfo_from_bytes",
             return_value={"Pages": 42},
         ):
-            assert document_service._count_pages(b"pdf") == 42
+            assert _count_pages(b"pdf") == 42
 
     def test_returns_none_on_error(self):
         with patch(
             "services.document_service.pdfinfo_from_bytes",
             side_effect=FileNotFoundError("poppler not found"),
         ):
-            assert document_service._count_pages(b"pdf") is None
+            assert _count_pages(b"pdf") is None
 
 
 class TestDelete:
     @pytest.mark.asyncio
-    async def test_delete_removes_file_and_records(self, tmp_path, monkeypatch):
-        monkeypatch.setattr(document_service, "UPLOAD_DIR", str(tmp_path))
-
+    async def test_delete_removes_file_and_records(self, tmp_path):
         # Create a fake file
         fake_file = tmp_path / "test.pdf"
         fake_file.write_bytes(b"content")
@@ -142,21 +145,21 @@ class TestDelete:
             storage_path=str(fake_file),
         )
 
-        with (
-            patch("persistence.document_repo.find_by_id", AsyncMock(return_value=doc)),
-            patch("persistence.analysis_repo.delete_by_document", AsyncMock(return_value=2)),
-            patch("persistence.document_repo.delete", AsyncMock(return_value=True)),
-        ):
-            result = await document_service.delete("doc-1")
+        service = _make_service(upload_dir=str(tmp_path))
+        service._document_repo.find_by_id = AsyncMock(return_value=doc)
+        service._document_repo.delete = AsyncMock(return_value=True)
+        service._analysis_repo.delete_by_document = AsyncMock(return_value=2)
+
+        result = await service.delete("doc-1")
 
         assert result is True
         assert not fake_file.exists()
 
     @pytest.mark.asyncio
-    async def test_delete_refuses_file_outside_upload_dir(self, tmp_path, monkeypatch):
-        """Files outside UPLOAD_DIR should not be deleted (path traversal protection)."""
-        monkeypatch.setattr(document_service, "UPLOAD_DIR", str(tmp_path / "uploads"))
-        os.makedirs(tmp_path / "uploads", exist_ok=True)
+    async def test_delete_refuses_file_outside_upload_dir(self, tmp_path):
+        """Files outside upload dir should not be deleted (path traversal protection)."""
+        uploads = tmp_path / "uploads"
+        os.makedirs(uploads, exist_ok=True)
 
         # File is outside the upload dir
         outside_file = tmp_path / "secret.txt"
@@ -164,18 +167,20 @@ class TestDelete:
 
         doc = Document(id="doc-1", filename="x.pdf", storage_path=str(outside_file))
 
-        with (
-            patch("persistence.document_repo.find_by_id", AsyncMock(return_value=doc)),
-            patch("persistence.analysis_repo.delete_by_document", AsyncMock(return_value=0)),
-            patch("persistence.document_repo.delete", AsyncMock(return_value=True)),
-        ):
-            await document_service.delete("doc-1")
+        service = _make_service(upload_dir=str(uploads))
+        service._document_repo.find_by_id = AsyncMock(return_value=doc)
+        service._document_repo.delete = AsyncMock(return_value=True)
+        service._analysis_repo.delete_by_document = AsyncMock(return_value=0)
+
+        await service.delete("doc-1")
 
         # File should NOT have been deleted
         assert outside_file.exists()
 
     @pytest.mark.asyncio
     async def test_delete_not_found_returns_false(self):
-        with patch("persistence.document_repo.find_by_id", AsyncMock(return_value=None)):
-            result = await document_service.delete("missing")
+        service = _make_service()
+        service._document_repo.find_by_id = AsyncMock(return_value=None)
+
+        result = await service.delete("missing")
         assert result is False
diff --git a/document-parser/tests/test_pipeline_options.py b/document-parser/tests/test_pipeline_options.py
index b52fdf4..3da6591 100644
--- a/document-parser/tests/test_pipeline_options.py
+++ b/document-parser/tests/test_pipeline_options.py
@@ -325,6 +325,22 @@ class TestConvertDocumentRouting:
 class TestServiceForwardsPipelineOptions:
     """Verify analysis_service.create and _run_analysis forward pipeline options."""
 
+    def _make_service(self, converter):
+        from services.analysis_service import AnalysisService
+
+        mock_analysis_repo = MagicMock()
+        mock_analysis_repo.find_by_id = AsyncMock()
+        mock_analysis_repo.insert = AsyncMock()
+        mock_analysis_repo.update_status = AsyncMock()
+        mock_document_repo = MagicMock()
+        mock_document_repo.find_by_id = AsyncMock()
+        mock_document_repo.update_page_count = AsyncMock()
+        return AnalysisService(
+            converter=converter,
+            analysis_repo=mock_analysis_repo,
+            document_repo=mock_document_repo,
+        )
+
     @pytest.fixture
     def mock_doc(self):
         from domain.models import Document
@@ -337,22 +353,11 @@ class TestServiceForwardsPipelineOptions:
 
         return AnalysisJob(id="j1", document_id="d1", document_filename="test.pdf")
 
-    @patch("services.analysis_service.document_repo")
-    @patch("services.analysis_service.analysis_repo")
     @pytest.mark.asyncio
-    async def test_create_passes_pipeline_options_to_run(
-        self,
-        mock_analysis_repo,
-        mock_doc_repo,
-        mock_doc,
-    ):
-        mock_doc_repo.find_by_id = AsyncMock(return_value=mock_doc)
-        mock_analysis_repo.insert = AsyncMock()
-
+    async def test_create_passes_pipeline_options_to_run(self, mock_doc):
         mock_converter = AsyncMock()
-        from services.analysis_service import AnalysisService
-
-        svc = AnalysisService(converter=mock_converter)
+        svc = self._make_service(mock_converter)
+        svc._document_repo.find_by_id = AsyncMock(return_value=mock_doc)
 
         opts = {"do_ocr": False, "table_mode": "fast"}
 
@@ -360,42 +365,20 @@ class TestServiceForwardsPipelineOptions:
             await svc.create("d1", pipeline_options=opts)
             mock_task.assert_called_once()
 
-    @patch("services.analysis_service.document_repo")
-    @patch("services.analysis_service.analysis_repo")
     @pytest.mark.asyncio
-    async def test_create_passes_none_when_no_options(
-        self,
-        mock_analysis_repo,
-        mock_doc_repo,
-        mock_doc,
-    ):
-        mock_doc_repo.find_by_id = AsyncMock(return_value=mock_doc)
-        mock_analysis_repo.insert = AsyncMock()
-
+    async def test_create_passes_none_when_no_options(self, mock_doc):
         mock_converter = AsyncMock()
-        from services.analysis_service import AnalysisService
-
-        svc = AnalysisService(converter=mock_converter)
+        svc = self._make_service(mock_converter)
+        svc._document_repo.find_by_id = AsyncMock(return_value=mock_doc)
 
         with patch("services.analysis_service.asyncio.create_task") as mock_task:
             await svc.create("d1")
             mock_task.assert_called_once()
 
-    @patch("services.analysis_service.analysis_repo")
-    @patch("services.analysis_service.document_repo")
     @pytest.mark.asyncio
-    async def test_run_analysis_forwards_options_to_convert(
-        self,
-        mock_doc_repo,
-        mock_analysis_repo,
-        mock_job,
-    ):
+    async def test_run_analysis_forwards_options_to_convert(self, mock_job):
         from domain.value_objects import ConversionResult, PageDetail
 
-        mock_analysis_repo.find_by_id = AsyncMock(return_value=mock_job)
-        mock_analysis_repo.update_status = AsyncMock()
-        mock_doc_repo.update_page_count = AsyncMock()
-
         mock_converter = AsyncMock()
         mock_converter.convert.return_value = ConversionResult(
             page_count=1,
@@ -404,9 +387,8 @@ class TestServiceForwardsPipelineOptions:
             pages=[PageDetail(page_number=1, width=612.0, height=792.0)],
         )
 
-        from services.analysis_service import AnalysisService
-
-        svc = AnalysisService(converter=mock_converter)
+        svc = self._make_service(mock_converter)
+        svc._analysis_repo.find_by_id = AsyncMock(return_value=mock_job)
 
         opts = {
             "do_ocr": False,
@@ -432,21 +414,10 @@ class TestServiceForwardsPipelineOptions:
         assert conv_opts.generate_picture_images is True
         assert conv_opts.images_scale == 2.0
 
-    @patch("services.analysis_service.analysis_repo")
-    @patch("services.analysis_service.document_repo")
     @pytest.mark.asyncio
-    async def test_run_analysis_uses_defaults_when_no_options(
-        self,
-        mock_doc_repo,
-        mock_analysis_repo,
-        mock_job,
-    ):
+    async def test_run_analysis_uses_defaults_when_no_options(self, mock_job):
         from domain.value_objects import ConversionResult, PageDetail
 
-        mock_analysis_repo.find_by_id = AsyncMock(return_value=mock_job)
-        mock_analysis_repo.update_status = AsyncMock()
-        mock_doc_repo.update_page_count = AsyncMock()
-
         mock_converter = AsyncMock()
         mock_converter.convert.return_value = ConversionResult(
             page_count=1,
@@ -455,9 +426,8 @@ class TestServiceForwardsPipelineOptions:
             pages=[PageDetail(page_number=1, width=612.0, height=792.0)],
         )
 
-        from services.analysis_service import AnalysisService
-
-        svc = AnalysisService(converter=mock_converter)
+        svc = self._make_service(mock_converter)
+        svc._analysis_repo.find_by_id = AsyncMock(return_value=mock_job)
 
         await svc._run_analysis("j1", "/tmp/test.pdf", "test.pdf", None)
 
@@ -466,30 +436,19 @@ class TestServiceForwardsPipelineOptions:
         assert call_args[0][0] == "/tmp/test.pdf"
         assert call_args[0][1] == ConversionOptions()
 
-    @patch("services.analysis_service.analysis_repo")
-    @patch("services.analysis_service.document_repo")
     @pytest.mark.asyncio
-    async def test_run_analysis_marks_failed_on_error(
-        self,
-        mock_doc_repo,
-        mock_analysis_repo,
-        mock_job,
-    ):
-        mock_analysis_repo.find_by_id = AsyncMock(return_value=mock_job)
-        mock_analysis_repo.update_status = AsyncMock()
-
+    async def test_run_analysis_marks_failed_on_error(self, mock_job):
         mock_converter = AsyncMock()
         mock_converter.convert.side_effect = RuntimeError("Docling crashed")
 
-        from services.analysis_service import AnalysisService
-
-        svc = AnalysisService(converter=mock_converter)
+        svc = self._make_service(mock_converter)
+        svc._analysis_repo.find_by_id = AsyncMock(return_value=mock_job)
 
         await svc._run_analysis("j1", "/tmp/test.pdf", "test.pdf", {"do_ocr": False})
 
         # Should have called update_status twice: RUNNING then FAILED
-        assert mock_analysis_repo.update_status.call_count == 2
-        last_job = mock_analysis_repo.update_status.call_args_list[-1][0][0]
+        assert svc._analysis_repo.update_status.call_count == 2
+        last_job = svc._analysis_repo.update_status.call_args_list[-1][0][0]
         assert last_job.status.value == "FAILED"
         assert "Docling crashed" in last_job.error_message
 
diff --git a/document-parser/tests/test_repos.py b/document-parser/tests/test_repos.py
index 44ebc17..60e01c9 100644
--- a/document-parser/tests/test_repos.py
+++ b/document-parser/tests/test_repos.py
@@ -3,8 +3,9 @@
 import pytest
 
 from domain.models import AnalysisJob, AnalysisStatus, Document
-from persistence import analysis_repo, document_repo
+from persistence.analysis_repo import SqliteAnalysisRepository
 from persistence.database import init_db
+from persistence.document_repo import SqliteDocumentRepository
 
 
 @pytest.fixture(autouse=True)
@@ -16,8 +17,18 @@ async def setup_db(monkeypatch, tmp_path):
     yield
 
 
+@pytest.fixture
+def document_repo():
+    return SqliteDocumentRepository()
+
+
+@pytest.fixture
+def analysis_repo():
+    return SqliteAnalysisRepository()
+
+
 class TestDocumentRepo:
-    async def test_insert_and_find_by_id(self):
+    async def test_insert_and_find_by_id(self, document_repo):
         doc = Document(
             id="doc-1",
             filename="test.pdf",
@@ -33,11 +44,11 @@ class TestDocumentRepo:
         assert found.filename == "test.pdf"
         assert found.file_size == 1024
 
-    async def test_find_by_id_not_found(self):
+    async def test_find_by_id_not_found(self, document_repo):
         found = await document_repo.find_by_id("nonexistent")
         assert found is None
 
-    async def test_find_all(self):
+    async def test_find_all(self, document_repo):
         for i in range(3):
             doc = Document(id=f"doc-{i}", filename=f"file{i}.pdf", storage_path=f"/tmp/{i}")
             await document_repo.insert(doc)
@@ -45,7 +56,7 @@ class TestDocumentRepo:
         all_docs = await document_repo.find_all()
         assert len(all_docs) == 3
 
-    async def test_update_page_count(self):
+    async def test_update_page_count(self, document_repo):
         doc = Document(id="doc-1", filename="test.pdf", storage_path="/tmp/test.pdf")
         await document_repo.insert(doc)
 
@@ -54,7 +65,7 @@ class TestDocumentRepo:
         updated = await document_repo.find_by_id("doc-1")
         assert updated.page_count == 10
 
-    async def test_delete(self):
+    async def test_delete(self, document_repo):
         doc = Document(id="doc-1", filename="test.pdf", storage_path="/tmp/test.pdf")
         await document_repo.insert(doc)
 
@@ -64,19 +75,19 @@ class TestDocumentRepo:
         found = await document_repo.find_by_id("doc-1")
         assert found is None
 
-    async def test_delete_nonexistent(self):
+    async def test_delete_nonexistent(self, document_repo):
         deleted = await document_repo.delete("nonexistent")
         assert deleted is False
 
 
 class TestAnalysisRepo:
-    async def _insert_doc(self):
+    async def _insert_doc(self, document_repo):
         doc = Document(id="doc-1", filename="test.pdf", storage_path="/tmp/test.pdf")
         await document_repo.insert(doc)
         return doc
 
-    async def test_insert_and_find_by_id(self):
-        await self._insert_doc()
+    async def test_insert_and_find_by_id(self, document_repo, analysis_repo):
+        await self._insert_doc(document_repo)
         job = AnalysisJob(id="job-1", document_id="doc-1")
         await analysis_repo.insert(job)
 
@@ -87,12 +98,12 @@ class TestAnalysisRepo:
         assert found.status == AnalysisStatus.PENDING
         assert found.document_filename == "test.pdf"
 
-    async def test_find_by_id_not_found(self):
+    async def test_find_by_id_not_found(self, analysis_repo):
         found = await analysis_repo.find_by_id("nonexistent")
         assert found is None
 
-    async def test_find_all(self):
-        await self._insert_doc()
+    async def test_find_all(self, document_repo, analysis_repo):
+        await self._insert_doc(document_repo)
         for i in range(3):
             job = AnalysisJob(id=f"job-{i}", document_id="doc-1")
             await analysis_repo.insert(job)
@@ -100,8 +111,8 @@ class TestAnalysisRepo:
         all_jobs = await analysis_repo.find_all()
         assert len(all_jobs) == 3
 
-    async def test_update_status(self):
-        await self._insert_doc()
+    async def test_update_status(self, document_repo, analysis_repo):
+        await self._insert_doc(document_repo)
         job = AnalysisJob(id="job-1", document_id="doc-1")
         await analysis_repo.insert(job)
 
@@ -112,8 +123,8 @@ class TestAnalysisRepo:
         assert found.status == AnalysisStatus.RUNNING
         assert found.started_at is not None
 
-    async def test_update_status_completed(self):
-        await self._insert_doc()
+    async def test_update_status_completed(self, document_repo, analysis_repo):
+        await self._insert_doc(document_repo)
         job = AnalysisJob(id="job-1", document_id="doc-1")
         await analysis_repo.insert(job)
 
@@ -127,8 +138,8 @@ class TestAnalysisRepo:
         assert found.content_html == "<h1>Test</h1>"
         assert found.pages_json == "[]"
 
-    async def test_delete(self):
-        await self._insert_doc()
+    async def test_delete(self, document_repo, analysis_repo):
+        await self._insert_doc(document_repo)
         job = AnalysisJob(id="job-1", document_id="doc-1")
         await analysis_repo.insert(job)
 
@@ -138,12 +149,12 @@ class TestAnalysisRepo:
         found = await analysis_repo.find_by_id("job-1")
         assert found is None
 
-    async def test_delete_nonexistent(self):
+    async def test_delete_nonexistent(self, analysis_repo):
         deleted = await analysis_repo.delete("nonexistent")
         assert deleted is False
 
-    async def test_delete_by_document(self):
-        await self._insert_doc()
+    async def test_delete_by_document(self, document_repo, analysis_repo):
+        await self._insert_doc(document_repo)
         for i in range(3):
             job = AnalysisJob(id=f"job-{i}", document_id="doc-1")
             await analysis_repo.insert(job)
diff --git a/document-parser/tests/test_robustness.py b/document-parser/tests/test_robustness.py
index 0f48f75..e650409 100644
--- a/document-parser/tests/test_robustness.py
+++ b/document-parser/tests/test_robustness.py
@@ -11,9 +11,10 @@ from unittest.mock import AsyncMock, MagicMock, patch
 import pytest
 
 from domain.models import AnalysisJob
+from domain.services import classify_error
 from domain.value_objects import ConversionOptions, ConversionResult, PageDetail
 from infra.settings import Settings
-from services.analysis_service import AnalysisService, _classify_error
+from services.analysis_service import AnalysisConfig, AnalysisService
 
 # ---------------------------------------------------------------------------
 # M1 — _classify_error: user-friendly error messages
@@ -25,40 +26,40 @@ class TestClassifyError:
 
     def test_cxx_compiler_error(self):
         exc = RuntimeError("InvalidCxxCompiler: No working C++ compiler found")
-        assert "Missing C++ compiler" in _classify_error(exc)
+        assert "Missing C++ compiler" in classify_error(exc)
 
     def test_no_working_compiler(self):
         exc = RuntimeError("no working c++ compiler found in torch")
-        assert "Missing C++ compiler" in _classify_error(exc)
+        assert "Missing C++ compiler" in classify_error(exc)
 
     def test_out_of_memory(self):
         exc = MemoryError("Out of memory allocating tensor")
-        assert "Out of memory" in _classify_error(exc)
+        assert "Out of memory" in classify_error(exc)
 
     def test_oom_shorthand(self):
         exc = RuntimeError("OOM during inference on page 5")
-        assert "Out of memory" in _classify_error(exc)
+        assert "Out of memory" in classify_error(exc)
 
     def test_lock_timeout(self):
         exc = TimeoutError("Could not acquire converter lock within 300s")
-        assert "Server busy" in _classify_error(exc)
+        assert "Server busy" in classify_error(exc)
 
     def test_pipeline_failed(self):
         exc = RuntimeError("Pipeline StandardPdfPipeline failed on page 3")
-        assert "Document processing failed" in _classify_error(exc)
+        assert "Document processing failed" in classify_error(exc)
 
     def test_timeout_generic(self):
         exc = TimeoutError("timeout exceeded while processing")
-        assert "Processing took too long" in _classify_error(exc)
+        assert "Processing took too long" in classify_error(exc)
 
     def test_unknown_short_error(self):
         exc = ValueError("something weird happened")
-        assert _classify_error(exc) == "something weird happened"
+        assert classify_error(exc) == "something weird happened"
 
     def test_unknown_long_error_truncated(self):
         long_msg = "x" * 300
         exc = ValueError(long_msg)
-        result = _classify_error(exc)
+        result = classify_error(exc)
         assert len(result) <= 201
         assert result.endswith("…")
 
@@ -83,74 +84,63 @@ class TestDefaultTableMode:
             pages=[PageDetail(page_number=1, width=612.0, height=792.0)],
         )
 
-    @patch("services.analysis_service.analysis_repo")
-    @patch("services.analysis_service.document_repo")
-    @pytest.mark.asyncio
-    async def test_default_table_mode_injected_when_missing(
-        self, mock_doc_repo, mock_analysis_repo, mock_job
-    ):
-        mock_analysis_repo.find_by_id = AsyncMock(return_value=mock_job)
+    def _make_service(self, converter, *, default_table_mode="accurate"):
+        mock_analysis_repo = MagicMock()
+        mock_analysis_repo.find_by_id = AsyncMock()
         mock_analysis_repo.update_status = AsyncMock()
-        mock_doc_repo.update_page_count = AsyncMock()
+        mock_document_repo = MagicMock()
+        mock_document_repo.update_page_count = AsyncMock()
+        config = AnalysisConfig(default_table_mode=default_table_mode)
+        return AnalysisService(
+            converter=converter,
+            analysis_repo=mock_analysis_repo,
+            document_repo=mock_document_repo,
+            config=config,
+        )
 
+    @pytest.mark.asyncio
+    async def test_default_table_mode_injected_when_missing(self, mock_job):
         mock_converter = AsyncMock()
         mock_converter.convert.return_value = self._make_result()
+        svc = self._make_service(mock_converter)
+        svc._analysis_repo.find_by_id = AsyncMock(return_value=mock_job)
 
-        svc = AnalysisService(converter=mock_converter)
         await svc._run_analysis("j1", "/tmp/test.pdf", "test.pdf", {})
 
         opts = mock_converter.convert.call_args[0][1]
         assert opts.table_mode == "accurate"
 
-    @patch("services.analysis_service.analysis_repo")
-    @patch("services.analysis_service.document_repo")
     @pytest.mark.asyncio
-    async def test_default_table_mode_injected_when_none(
-        self, mock_doc_repo, mock_analysis_repo, mock_job
-    ):
-        mock_analysis_repo.find_by_id = AsyncMock(return_value=mock_job)
-        mock_analysis_repo.update_status = AsyncMock()
-        mock_doc_repo.update_page_count = AsyncMock()
-
+    async def test_default_table_mode_injected_when_none(self, mock_job):
         mock_converter = AsyncMock()
         mock_converter.convert.return_value = self._make_result()
+        svc = self._make_service(mock_converter)
+        svc._analysis_repo.find_by_id = AsyncMock(return_value=mock_job)
 
-        svc = AnalysisService(converter=mock_converter)
         await svc._run_analysis("j1", "/tmp/test.pdf", "test.pdf", None)
 
         opts = mock_converter.convert.call_args[0][1]
         assert opts.table_mode == "accurate"
 
-    @patch("services.analysis_service.analysis_repo")
-    @patch("services.analysis_service.document_repo")
     @pytest.mark.asyncio
-    async def test_user_table_mode_preserved(self, mock_doc_repo, mock_analysis_repo, mock_job):
-        mock_analysis_repo.find_by_id = AsyncMock(return_value=mock_job)
-        mock_analysis_repo.update_status = AsyncMock()
-        mock_doc_repo.update_page_count = AsyncMock()
-
+    async def test_user_table_mode_preserved(self, mock_job):
         mock_converter = AsyncMock()
         mock_converter.convert.return_value = self._make_result()
+        svc = self._make_service(mock_converter)
+        svc._analysis_repo.find_by_id = AsyncMock(return_value=mock_job)
 
-        svc = AnalysisService(converter=mock_converter)
         await svc._run_analysis("j1", "/tmp/test.pdf", "test.pdf", {"table_mode": "fast"})
 
         opts = mock_converter.convert.call_args[0][1]
         assert opts.table_mode == "fast"
 
-    @patch("services.analysis_service.settings", Settings(default_table_mode="fast"))
-    @patch("services.analysis_service.analysis_repo")
-    @patch("services.analysis_service.document_repo")
     @pytest.mark.asyncio
-    async def test_custom_default_from_settings(self, mock_doc_repo, mock_analysis_repo, mock_job):
-        mock_analysis_repo.find_by_id = AsyncMock(return_value=mock_job)
-        mock_analysis_repo.update_status = AsyncMock()
-        mock_doc_repo.update_page_count = AsyncMock()
-
+    async def test_custom_default_from_settings(self, mock_job):
         mock_converter = AsyncMock()
         mock_converter.convert.return_value = self._make_result()
+        svc = self._make_service(mock_converter, default_table_mode="fast")
+        svc._analysis_repo.find_by_id = AsyncMock(return_value=mock_job)
 
-        svc = AnalysisService(converter=mock_converter)
         await svc._run_analysis("j1", "/tmp/test.pdf", "test.pdf", {})
 
         opts = mock_converter.convert.call_args[0][1]