chore: public OSS release 2.8.2

[keshprad]

Summary

Publishes the sanitized SkillSpector v2.8.2 OSS snapshot.

Source

• Internal source branch: main
• Internal source commit: ee6a6f666d29240796a20f418f6588c36688d05c
• Sanitized orphan branch: release/oss-2026-08-07
• Sanitized orphan commit: 00a84f523a1add30db0be3ec14b32a5def4b691d
• Release notes: docs/release/skillspector-2.8.2.md

Included

• Retries malformed structured TP4 responses and isolates a failed assessment batch.
• Adds regression coverage for structured-output parsing and MCP tool-poisoning analysis.
• Updates the package version, lockfile, changelog, and versioned release notes.

Public Boundary

• Preserved the existing public README and inference-usage examples.
• Preserved the public Makefile content.

Verification

• make test-unit — passed in the sanitized internal snapshot.
• Internal release pipeline — passed lint, unit, integration, Docker smoke, and Sonar.
• git diff --cached --check — passed.