fix: speed up gRPC payload conversion by building nested Values from dicts in one call

[joein]

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Advanced

Run ID: 7b2a14c0-5533-499b-8552-ff1ee76264f3

📥 Commits

Reviewing files that changed from the base of the PR and between 1194886 and 974cc7c.

📒 Files selected for processing (2)

• qdrant_client/conversions/conversion.py
• tests/conversions/test_validate_conversions.py

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📝 Walkthrough

Walkthrough

json_to_value now converts built-in primitives directly and uses recursive conversion for compound or nonstandard values. The recursive conversion handles lists, tuples, dictionaries, subclasses, and values normalized through to_jsonable_python. New tests compare conversions with REST JSON encoding, check unsupported inputs, and verify payload conversion through the compatibility path.

Priority: ⬇️ Low

Estimated code review effort: 3 (Moderate) | ~20 minutes

Change: Refactor

Suggested reviewers: 2sumtech

Merge Risk: ⚪ Minimal · up to 974cc

The conversion changes and expanded tests present no established merge-blocking issue. Merge after normal checks pass.

Security Architecture Review

Security architecture risk: 🔵 Low · up to 974cc

Payload conversion now accepts more Python value types through existing JSON normalization. No new privilege expansion or security-boundary bypass is demonstrated. Behavior across dependency versions and external application consumers is not fully verified.

Retained concerns
No architecture-level concerns identified.

Security review details

Security Blast Radius

• inferred — The demonstrated exposure is conversion of values supplied to the client, including payload fields and existing document, image, and inference-object conversions. The evidence does not establish a new remotely callable endpoint or greater tenant, credential, or service authority. Whether external applications pass untrusted data into these consumers remains outside the inspected scope.

Trust Boundaries and Controls

• inferred — The reviewed boundary is representation conversion from Python values into protobuf fields, not an identity or authorization transition. Broader normalization changes accepted data representations, but the inspected diff does not establish bypass of an existing security control. REST-equivalence tests support intended representation compatibility, not application-level authorization guarantees.

🚥 Pre-merge checks | ✅ 3 | ❌ 1 | ❓ 1

❌ Failed checks (1 warning, 1 inconclusive)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 10.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 10 functions across 2 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.
Description check	❓ Inconclusive	No pull request description was provided, so the relationship between the changes and the stated objective cannot be confirmed from the description.	Add a concise description of the gRPC payload conversion changes and the performance objective.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main change: improving gRPC payload conversion by building nested protobuf Values from dictionaries in one call.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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