Fix dirty stalled lane partial progress recovery

[yvette-carlisle]

Summary

• route stalled retained lanes with tracked worktree changes to partial_progress_retained instead of generic stalled_run_detected
• surface partial-progress recovery in queued attention status even when no retry-budget marker exists yet
• add regression coverage for dirty stalled reconciliation and intake queue status readback
• update operator-control-plane reference wording for stalled/failure retained patches

Verification

• cargo test -p decodex retained_partial_progress -- --nocapture
• cargo test -p decodex stalled_run_reconciliation -- --nocapture
• cargo make fmt
• cargo make lint-fix
• cargo make test (849 passed, 1 skipped)

Issue: XY-602