test: add unit tests for scoring module

[beonde]

Summary

Add comprehensive unit tests for the scoring module (capiscio_sdk/scoring/). Previously there were zero dedicated unit tests for the scoring subsystem — only integration tests that required a running gRPC server.

Test Files

File	Module Under Test	Tests
test_scoring_types.py	scoring/types.py	Rating boundary values (parametrized), confidence multiplier, dataclass post_init validation
test_scoring_compliance.py	scoring/compliance.py	Perfect score, core fields (empty/partial/falsy), skills quality (missing fields/tags/non-dict), format compliance (per-issue), data quality (duplicates/SSRF), issue filtering
test_scoring_trust.py	scoring/trust.py	Valid/missing/invalid/expired signatures, provider (full/empty/unreachable/non-dict), security (HTTPS/schemes/strong auth), documentation, confidence multiplier application, issue filtering
test_scoring_availability.py	scoring/availability.py	Not-tested placeholder, perfect endpoint, response time tiers, TLS/CORS, transport support, response quality (malformed JSON/content type), issue filtering

Key Properties

• 56 tests total, all passing
• Pure unit tests — no network, no gRPC, no server dependencies
• Covers all rating boundary values at enum transitions
• Tests defensive coding paths (non-dict skills, non-list skills, non-dict provider/capabilities)
• Verifies issue filtering: only domain-specific issues appear in each scorer's output

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Codecov Report

✅ All modified and coverable lines are covered by tests.

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[Copilot]

Pull request overview

Adds a dedicated unit test suite for the capiscio_sdk.scoring subsystem, improving confidence in the SDK’s multi-dimensional scoring behavior without requiring any network or gRPC dependencies.

Changes:

• Added rating/helper and dataclass validation tests for capiscio_sdk.scoring.types.
• Added unit tests for ComplianceScorer, TrustScorer, and AvailabilityScorer, including domain-specific issue filtering.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
tests/unit/test_scoring_types.py	Verifies rating boundary helpers, confidence multiplier logic, and dataclass __post_init__ validation.
tests/unit/test_scoring_compliance.py	Exercises ComplianceScorer scoring components and compliance-only issue filtering.
tests/unit/test_scoring_trust.py	Exercises TrustScorer scoring components, multiplier behavior, and trust-only issue filtering.
tests/unit/test_scoring_availability.py	Exercises AvailabilityScorer endpoint scoring and availability-only issue filtering.

[github-actions]

✅ Documentation validation passed!

Unified docs will be deployed from capiscio-docs repo.

[github-actions]

✅ All checks passed! Ready for review.