Status: IN
Staleness detection tracks whether the source material a belief was derived from has changed. Each belief records a source path and SHA-256 hash at creation time. check-stale compares stored hashes against current file content and flags any IN belief whose source has changed
Source: repo:beliefs-pi/CLAUDE.md
Depends on (SL): frame-problem, eem-external
Depends on (SL): frame-problem, eem-external, staleness-implementation