chore: initialize POM 2 repo (docs guards green; release gates recorded NOT RUN pending install)

docs/POM_ARCHITECTURE.mmd

@@ -0,0 +1,33 @@
+flowchart TD
+  U[Operator] --> C[/pom command center]
+  C --> K[POM production kernel]
+  K --> S[Authoritative stage machine]
+  K --> P[Prompt stack and personality]
+  K --> H[Hive mission planner]
+  K --> V[Deterministic validation]
+  K --> A[Artifact and canon ledger]
+  K --> X[Verified export]
+
+  P --> O[Oh My Pi host]
+  H --> T[Native task agents]
+  H --> I[Native IRC]
+  H --> W[Optional Swarm DAG]
+  S --> R[Model and active-tool routing]
+  R --> O
+  T --> O
+  I --> O
+  W --> O
+
+  A --> F[Canonical project files]
+  A --> M[Manifest plus SHA-256]
+  F --> Q[Obsidian / Quartz vault]
+  V --> F
+  V --> M
+  V --> E[Acceptance evidence]
+  X --> Z[ZIP central directory + decompression + CRC]
+  S --> G[Git stage branch/checkpoint]
+
+  O --> UI[OMP TUI hooks]
+  UI --> HUD[HUD and status]
+  UI --> CARDS[Validation/Hive/milestone cards]
+  UI --> OVERLAY[Keyboard overlay]