Trust scorer source priors configurable per workspace

[askmy-stack]

Background

Identified during OSS audit v2 of cortex.

Problem Statement

Hardcoded _SOURCE_PRIOR.

Proposed Solution

CORTEX_SOURCE_PRIORS_JSON env.

Acceptance Criteria

• Implementation complete
• Tests pass
• Documented in README or docs/

Files / Modules Affected

scoring/trust_scorer.py

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Suggested labels: priority:medium, difficulty:beginner, category:feature
Milestone: v2.0-features
OSS Audit: Master Backlog v2