haiku.rag.ingester.sources was never ingester-only: one-shot client
ingestion resolves adapters through it (create_document_from_source), and
convert() now fetches through HTTPSource, so the core client imported into
the ingester package to reach them.
Move the package to haiku.rag.sources and update every import. No shims:
haiku.rag.ingester.sources is gone.
The haiku.rag.sources plugin entry-point group is unchanged, so third-party
source packages need no edit — the group name now matches the module path it
always implied.
Source unit tests move to tests/sources/. test_source_plugins.py stays in
tests/ingester/: it drives a PeriodicPoller against the job repo, so it is
plugin wiring through ingester machinery rather than a source test.
Five call sites repeated the same post-conversion preparation: store the
Docling representation and resolve a title when none was supplied.
_prepare_and_title now owns that sequence. update_document continues to
call _prepare_document_from_docling directly because an explicit update
must preserve an existing empty title.
create_document, both content-replacement branches of update_document,
and source ingestion embedded eagerly before passing chunks to a
persistence funnel that checked them again. The funnels now own
embedding, including the checks required by import_document and
import_documents for caller-supplied chunks.
Move the document.embed span into ensure_chunks_embedded after its early
return. Every path that performs embedding is now instrumented, while
operations whose chunks are already embedded emit no span.
convert() previously used its own HTTP client and temporary-file path.
Route URL conversion through HTTPSource, matching source ingestion, and
move _write_fetch_body to processing.py so both paths share temporary
file handling without an import cycle.
Add walk_files for filesystem enumeration and use it from both
FSSource.discover and one-shot directory ingestion. Symlink escape
filtering now has one implementation.
Extracts build_picture_chunks + iterate_items position mapping into a
sync helper and wraps it with asyncio.to_thread so image-heavy
documents don't block the event loop during chunking.
Fixes#456.
processing.chunk() merges text chunks with one synthetic Chunk per PictureItem-with-bytes,
sorted by iterate_items() position so chunk.order is structural.
embed_chunks dispatches on a Chunk._picture_data PrivateAttr
(text through embed_documents, picture through embed_image_query)
