feat(runtime): v0.0.29 — Governance pallet wired runtime composition Index 10

Phase 5.1 GOVERNANCE pallet wired canonical en frame_support::runtime macro como
Index 10 (post-AgentIdentity Index 9). 10 → 11 pallets composed canonical. Config
trait RuntimeEvent association wired canonical (pattern Provenance + Fees +
AgentIdentity mirror).

## Changes

- crates/origin-chain-runtime/src/lib.rs:315 — Index 10 pub type Governance = origin_chain_governance::Pallet<Runtime>
- crates/origin-chain-runtime/src/configs.rs:382 — impl origin_chain_governance::Config for Runtime
- crates/origin-chain-runtime/Cargo.toml — origin-chain-governance workspace dep + std feature
- Cargo.toml — origin-chain-governance workspace dep default-features = false (no_std-compat)
- crates/origin-chain-node/src/main.rs — 10 → 11 pallets listed + Governance Index 10 highlighted

## Verification

- cargo build -p origin-chain-runtime 15.69s clean
- cargo test --workspace — 165 tests passing, 0 failures
- origin-chain-node info muestra 11 pallets canonical

🔌 Phase 5.1 wired canonical. Real impl v0.0.30 next.

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

crates/origin-chain-runtime/src/lib.rs

@@ -308,6 +308,17 @@ mod runtime {
     #[runtime::pallet_index(9)]
     pub type AgentIdentity = origin_chain_agent_identity::Pallet<Runtime>;
 
+    /// Governance pallet canonical (Phase 5.1 v0.0.29 wired canonical per CHN-4
+    /// Foundation Treasury Governance). AI-Driven Human-Guarded canonical: 5 AI
+    /// advisor agents ADVISE only canonical, humans-only vote non-negotiable.
+    /// Scaffold-level v0.0.29: dispatchables submit_proposal + cast_vote +
+    /// finalize_proposal placeholders, real impl v0.0.30 + Runtime API v0.0.31.
+    ///
+    /// Naming canonical: alias `Governance` clearly canonical (NO conflict con
+    /// trait `GovernanceProposal` en `origin_chain_types::governance`).
+    #[runtime::pallet_index(10)]
+    pub type Governance = origin_chain_governance::Pallet<Runtime>;
+
     // Substrate pallet-identity DEFERRED canonical (decision empírica
     // 2026-05-21 documentada en configs.rs). pallet-identity 41.0.0 ReservableCurrency
     // compat work canonical hereda al custom `pallet_agent_identity` Phase 2.7