Ask decoupling (2)

[jotare]

Description

Replace RAG strategies with /augment calls while implementing /augment:

• Full resource
• Field extension
• Neighbour paragraphs
• Hierarchy
• Metadata extension
• Conversational
• Default (for conversations)
• Graph

How was this PR tested?

Describe how you tested this PR.

[codecov]

Codecov Report

❌ Patch coverage is 36.74797% with 389 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.82%. Comparing base (c89e7da) to head (8dee337).

Files with missing lines	Patch %	Lines
nucliadb/src/nucliadb/search/search/chat/prompt.py	4.34%	132 Missing ⚠️
nucliadb/src/nucliadb/search/api/v1/augment.py	6.38%	88 Missing ⚠️
...ucliadb/src/nucliadb/search/augmentor/augmentor.py	14.03%	49 Missing ⚠️
nucliadb/src/nucliadb/search/search/chat/rpc.py	37.03%	34 Missing ⚠️
nucliadb/src/nucliadb/search/augmentor/fields.py	35.48%	20 Missing ⚠️
nucliadb_models/src/nucliadb_models/augment.py	78.08%	16 Missing ⚠️
nucliadb/src/nucliadb/models/internal/augment.py	87.17%	15 Missing ⚠️
.../src/nucliadb/search/search/hydrator/paragraphs.py	0.00%	14 Missing ⚠️
nucliadb/src/nucliadb/search/api/v1/retrieve.py	30.00%	7 Missing ⚠️
nucliadb/src/nucliadb/search/search/chat/query.py	44.44%	5 Missing ⚠️
... and 5 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3418      +/-   ##
==========================================
- Coverage   85.56%   84.82%   -0.74%     
==========================================
  Files         548      549       +1     
  Lines       45088    45362     +274     
  Branches    12658    12658              
==========================================
- Hits        38578    38479      -99     
- Misses       5893     6265     +372     
- Partials      617      618       +1     

Flag	Coverage Δ
nidx	79.29% <ø> (-0.01%)	⬇️
nucliadb-ingest	44.72% <36.74%> (-0.12%)	⬇️
nucliadb-reader	44.85% <36.74%> (-0.12%)	⬇️
nucliadb-standalone	47.14% <36.74%> (-0.13%)	⬇️
nucliadb-train	45.84% <36.74%> (-0.12%)	⬇️
nucliadb-writer	47.97% <36.74%> (-0.13%)	⬇️
nucliadb_dataset	73.11% <5.00%> (-1.31%)	⬇️
nucliadb_models	76.48% <5.00%> (-1.92%)	⬇️
nucliadb_utils	81.74% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[jotare]

[sc-13240]