fusion

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Fusion Agent 3f85c4cf84 FN-034: route workspace tasks through repository worktrees

Route multi-repository planning and graph execution through declared repository worktrees instead of workspace roots.

- Acquire declared repository worktrees for planning and custom graph nodes.
- Filter planning coordinator selection to configured repositories and preserve workspace routing metadata.
- Add workspace worktree recovery, concurrency coverage, and release documentation.

Files changed:
 .changeset/fn-034-workspace-worktree-routing.md    |   7 ++
 docs/architecture.md                               |   1 +
 ...workspace-worktrees-concurrent-merge.pg.test.ts |  36 +++++++
 packages/core/src/store.ts                         |  10 ++
 packages/core/src/task-store/task-mutation-ops.ts  |  60 +++++++++++-
 .../executor-workspace-session-cwd.test.ts         |  29 ++++--
 packages/engine/src/__tests__/self-healing.test.ts |  17 ++--
 .../workspace-root-worktree-routing.test.ts        | 107 +++++++++++++++++++++
 .../create-authoritative-workflow-seams.ts         |  48 ++++++---
 .../executor/ensure-graph-custom-node-worktree.ts  |  45 +++++++-
 .../executor/ensure-task-worktree-for-planning.ts  |  38 ++++++--
 .../src/executor/reset-steps-if-work-lost.ts       |  12 ++-
 .../engine/src/executor/run-graph-custom-node.ts   |  83 ++++++++++++++--
 packages/engine/src/executor/run-implementation.ts |  59 ++++++++++--
 .../src/executor/workspace-config-resolver.ts      |  30 +++++-
 .../src/executor/workspace-review-per-repo.ts      |  29 +++++-
 .../executor/worktree-missing-session-recovery.ts  |  26 ++++-
 packages/engine/src/self-healing.ts                |  50 +++++++---
 .../self-healing/auto-recover-worktree-session.ts  |  31 +++++-
 .../engine/src/worktree/worktree-acquisition.ts    |  65 +++++++++++-
 20 files changed, 702 insertions(+), 81 deletions(-)

Fusion-Task-Id: FN-034
Fusion-Task-Lineage: 59c5f273-d676-4b7f-b006-c12dc6c3abe6
Co-authored-by: Fusion <noreply@runfusion.ai>

2026-08-20 03:56:41 +00:00