fusion

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Fusion Agent c380e680a8 FN-014: scope session diffs to task-owned files

Scope rebase session diffs to files proven to belong to the task.

- Attribute rebase-range files to task commits before falling back to execution snapshots.
- Return empty diffs when ownership cannot be proven instead of exposing unrelated files.
- Add parity and route coverage plus a patch changeset.

Files changed:
 .changeset/fn-014-task-diff-attribution.md         |  7 ++
 .../TaskCard-TaskChangesTab-parity.test.tsx        | 42 ++++++++++
 .../dashboard/src/__tests__/routes-github.test.ts  | 90 +++++++++++++++++++++
 .../src/routes/register-session-diff-routes.ts     | 66 ++++++++++++----
 4 files changed, 188 insertions(+), 17 deletions(-)

Fusion-Task-Id: FN-014

Fusion-Task-Lineage: e5aebee9-4190-4f56-b386-9448b2ab7ffd

Co-authored-by: Fusion <noreply@runfusion.ai>

2026-08-20 03:55:38 +00:00