Please deep think / ultrathink as this is a complex task.

plan-3a-v2-adr

Generate a high-quality, domain-aware ADR from the spec (and optional plan), save it under docs/adr/, and wire cross-links so /plan-3-v3-architect and /plan-5-v2 can import constraints. Includes domain impact analysis, domain map integration, and domain.md backlinks.

User input:

$ARGUMENTS
# Expected flags:
# --spec  "<abs path to docs/plans/<ordinal>-<slug>/<slug>-spec.md>"     # REQUIRED
# --plan  "<abs path to docs/plans/<ordinal>-<slug>/<slug>-plan.md>"     # OPTIONAL (link if present)
# --title "Decision Title"                                               # OPTIONAL (derive if absent)
# --status "Proposed|Accepted|Rejected|Superseded|Deprecated"            # OPTIONAL (default "Proposed")
# --stakeholders "Name (Role); Name (Role); ..."                         # OPTIONAL (derive if absent)
# --replace NNNN                                                         # OPTIONAL (update existing ADR)
# --non-interactive                                                      # OPTIONAL (assume defaults)
# --supersedes NNNN                                                      # OPTIONAL (mark older ADR as superseded)