feat(B-0824): Ace-as-PM-of-PMs — N-D dependency space + holographic projection + AI-rate continuous upstream negotiation

docs/BACKLOG.md

@@ -390,6 +390,7 @@ are closed (status: closed in frontmatter)._
 - [ ] **[B-0819](backlog/P1/B-0819-ai-runbook-substrate-run-deferred-run-continue-with-auto-jit-as-next-force-multiplier-layer-above-helm-kustomize-dockerfile-aaron-2026-05-26.md)** AI-runbook substrate — three primitives `run` + `deferred run / continue with` + `auto JIT` as the next force-multiplier layer above today's Helm+Kustomize+Dockerfile developer toolkit; substrate-engineering target for the AI-runbook layer Zeta is building (Aaron 2026-05-26)
 - [ ] **[B-0821](backlog/P1/B-0821-zeta-as-dependency-graph-and-variable-passing-layer-on-top-of-helm-empty-architectural-slot-claim-aaron-2026-05-26.md)** Zeta as the dependency-graph + auto-variable-passing layer on top of Helm — empty architectural slot above sync engines (ArgoCD / Flux) that nobody has claimed; load-bearing strategic-positioning substrate (Aaron 2026-05-26)
 - [ ] **[B-0822](backlog/P1/B-0822-diamond-resolution-namespace-cardinality-multi-tenant-awareness-as-third-dimension-of-shared-chart-dependency-resolution-aaron-2026-05-26.md)** diamond-resolution namespace + cardinality + multi-tenant-awareness — three orthogonal properties on shared charts that determine whether the Maven-for-Helm graph deploys ONE shared instance or N per-consumer instances; substrate-engineering target for Ace package manager's chart-graph resolver (Aaron 2026-05-26)
+- [ ] **[B-0824](backlog/P1/B-0824-package-manager-of-package-managers-n-dimensional-dependency-space-holographic-projection-ai-rate-continuous-upstream-negotiation-aaron-2026-05-26.md)** Ace as "package manager of package managers" — N-dimensional dependency space (Maven is 2D; we're at least 3D / N-D) + holographic projection (merge 2D streams from each PM into higher-D views) + AI-rate continuous upstream negotiation (push-forward + absorb-forward at AI cadence — no existing PM does this); strategic-architectural substrate for the Ace meta-PM substrate (Aaron 2026-05-26)
 - [ ] **[B-0825](backlog/P1/B-0825-time-modeled-dependencies-for-helm-clusters-as-long-running-stateful-systems-require-temporal-axis-in-dependency-graph-aaron-2026-05-26.md)** time-modeled dependencies for Helm — clusters are long-running stateful systems; chart-graph needs temporal axis for revision history + migration phases + rolling-upgrade windows + concurrent-version overlap; Helm uniquely requires this among package managers; substrate-engineering target for Ace meta-PM (Aaron 2026-05-26)
 
 ## P2 — research-grade