chore(policy): peg-bands gruPolicyIntegration + GRU reference primacy cross-links

- Add gruPolicyIntegration block (referencePrimacyDoc, meshExecutionRole) to peg-bands.json
- Document parent-repo policy and CI verifier in README, bot policy, and oracles doc

Made-with: Cursor

README.md

@@ -8,6 +8,8 @@ Implementation-grade blueprint for the **home-minted M1 suite on ChainID 138**,
 - **Pool topology**: Single-sided PMM edge pools per chain (`cW* / HUB` or multi-quote).
 - **Bot-driven mesh**: Deviation watcher, inventory re-centering, cross-pool routing, bridge-aware throttling; peg bands; oracles; mesh reflexivity controls.
 
+**GRU policy integration (reference primacy):** this mesh is an **execution and capacity layer** for agreed peg bands and oracles — not an independent FX discovery layer for GRU/XDR. Parent canonical: [docs/04-configuration/GRU_REFERENCE_PRIMACY_AND_MESH_EXECUTION_MODEL.md](../docs/04-configuration/GRU_REFERENCE_PRIMACY_AND_MESH_EXECUTION_MODEL.md).
+
 ## Quick start
 
 1. See [docs/01-token-map.md](docs/01-token-map.md) for canonical and cW* token mapping.

config/peg-bands.json

@@ -23,5 +23,10 @@
     "eurUsesEurUsdFeed": true,
     "stalenessWidenBands": true,
     "stalenessPauseTrades": true
+  },
+  "gruPolicyIntegration": {
+    "referencePrimacyDoc": "docs/04-configuration/GRU_REFERENCE_PRIMACY_AND_MESH_EXECUTION_MODEL.md",
+    "meshExecutionRole": "public_pmm_corridor_implementation",
+    "summary": "Peg bands and oracle settings bound bot behavior against external references; they do not define GRU/XDR/XAU policy. Parent-repo CI verifies this block via scripts/verify/check-gru-reference-primacy-integration.sh."
   }
 }

docs/04-bot-policy.md

@@ -52,6 +52,8 @@ Important: this improves **tradability and price discovery**, but it does **not*
 
 ## Peg bands
 
+**GRU reference primacy (proxmox parent repo):** Bot deviation logic implements **corridors around oracle targets**; it does not replace institution-grade FX/GRU/XDR references. Canonical policy + integration checklist: proxmox `docs/04-configuration/GRU_REFERENCE_PRIMACY_AND_MESH_EXECUTION_MODEL.md`. The peg config carries a machine hook **`gruPolicyIntegration`** in [../config/peg-bands.json](../config/peg-bands.json) (validated by parent `scripts/verify/check-gru-reference-primacy-integration.sh`).
+
 See [../config/peg-bands.json](../config/peg-bands.json) and [05-oracles.md](05-oracles.md). Summary:
 
 - **USD-pegged**: Normal ±10–25 bps; stress ±50–150 bps; circuit break >2%

docs/05-oracles.md

@@ -17,4 +17,6 @@
 - Do not trade against a stale oracle; treat staleness as a risk trigger.
 - Document fallback order (e.g. primary chainlink, secondary Pyth, tertiary internal).
 
-Config and peg bands: [../config/peg-bands.json](../config/peg-bands.json).
+Config and peg bands: [../config/peg-bands.json](../config/peg-bands.json) (includes **`gruPolicyIntegration`** linking proxmox `docs/04-configuration/GRU_REFERENCE_PRIMACY_AND_MESH_EXECUTION_MODEL.md` — oracle targets remain subordinate to institution-grade references).
+
+Parent verifier: proxmox `scripts/verify/check-gru-reference-primacy-integration.sh`.