Implement observed-AS comparison source

Objective

Implement observed-AS comparison source.

Notes: Implemented global replicated/Allocate Smartly observed return source control, canonical source URL/history restoration, source-specific validation/disclosure, stale-render cleanup, and focused tests.

Approach

[reconstructed — uncertain] No dedicated findings Markdown located for t242. Summary reconstructed from research/findings/task-history.json entry and git history. Uncertain fields: detailed approach, exact file list, and metrics beyond the task note.

Files / code / data changed

• No commit SHA confidently associated with t242 in sampled log [reconstructed — uncertain].
• Task-history entry: research/findings/task-history.json#t242

Results

Task note: Implemented global replicated/Allocate Smartly observed return source control, canonical source URL/history restoration, source-specific validation/disclosure, stale-render cleanup, and focused tests. [reconstructed — uncertain] No quantitative tables recovered for this entry; see git diff and task-history for grounds.

Conclusions

[reconstructed — uncertain] Outcome inferred from status done and task note.

Problems / follow-ups

• See source report or PR discussion for follow-ups. No unsupported follow-ups fabricated.

Links

• Task-history: research/findings/task-history.json id t242