feat(runtime): v0.0.25 — AgentIdentity pallet wired runtime composition Index 9

Phase 2.7 AGENT IDENTITY pallet wired canonical en frame_support::runtime macro
como Index 9 (post-Fees Index 8). 9 → 10 pallets composed canonical. Config trait
RuntimeEvent association wired canonical (pattern Provenance + Fees mirror).

## Changes

- crates/origin-chain-runtime/src/lib.rs:298 — Index 9 pub type AgentIdentity = origin_chain_agent_identity::Pallet<Runtime>
- crates/origin-chain-runtime/src/configs.rs:362 — impl origin_chain_agent_identity::Config for Runtime { type RuntimeEvent = RuntimeEvent }
- crates/origin-chain-runtime/Cargo.toml — origin-chain-agent-identity workspace dep + std feature
- crates/origin-chain-node/src/main.rs — 9 → 10 pallets listed + AgentIdentity Index 9 highlighted [Phase 2.7 scaffold v0.0.25]
- crates/origin-chain-agent-identity/src/lib.rs — Config constraint AccountId = origin_chain_types::AccountId REMOVED (usa T::AccountId generic compatible runtime ChainAccountId AccountId32) + storage updated + events updated

## Verification

- cargo build -p origin-chain-runtime 5.26s clean
- cargo test --workspace — 149 tests passing, 0 failures
- cargo build --release -p origin-chain-node 3.96s clean
- origin-chain-node info muestra 10 pallets canonical

🔌 Phase 2.7 wired canonical. Real impl v0.0.26 next.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

crates/origin-chain-runtime/Cargo.toml

@@ -48,7 +48,9 @@ origin-chain-provenance.workspace = true
 # (OCAFB-1..6 consumer Mathi OitFeeSchedule via vendor copy interim Option B)
 origin-chain-fees.workspace = true
 
-# pallet-identity DEFERRED a Phase 2.7 (canonical decision empírica 2026-05-21)
+# Phase 2.7 v0.0.25: pallet-agent-identity wired runtime composition Index 9 canonical
+# (Inmutable #41 AGI DIDs Cross-Species Co-authorship)
+origin-chain-agent-identity.workspace = true
 
 # RuntimeAPI canonical (sp_api::impl_runtime_apis! consumers)
 sp-offchain.workspace = true
@@ -103,6 +105,7 @@ std = [
     "pallet-session/std",
     "origin-chain-provenance/std",
     "origin-chain-fees/std",
+    "origin-chain-agent-identity/std",
     "sp-offchain/std",
     "sp-genesis-builder/std",
     "sp-transaction-pool/std",