Phase 1038: post-split hardening journey stub (v0.8.1005)

Add runMeshStabilityUiPostSplitHardeningJourney for unified 92-module audit
verification. Non-breaking — no RPC surface changes.

Co-authored-by: Cursor <[email protected]>

headless.js

@@ -2586,6 +2586,25 @@ class HeadlessSession {
     return { guildId: gid, keys, snapshot, stable, view }
   }
 
+  /** Journey stub: post-split mesh stability UI hardening (Phase 1038). */
+  async runMeshStabilityUiPostSplitHardeningJourney (guildId) {
+    if (!this.platform) throw new Error('headless not started')
+    const gid = guildId || this.platform.guild?.guild?.id
+    if (!gid) throw new Error('no guild')
+    const path = require('bare-path')
+    const platformDir = path.join(__dirname, '..', 'pearcord-platform')
+    const uiDir = path.join(__dirname, '..', '..', 'apps', 'pearcord', 'ui')
+    const {
+      assertMeshStabilityUiPostSplitHardening,
+      buildMeshStabilityUiPostSplitHardeningSnapshot
+    } = require('pearcord-platform/mesh-stability-ui-post-split-hardening')
+    const audit = assertMeshStabilityUiPostSplitHardening(platformDir, uiDir)
+    const hardening = buildMeshStabilityUiPostSplitHardeningSnapshot()
+    const stats = this.platform.getMeshStabilityStats(gid)
+    await this.refreshView()
+    return { hardening, audit, stats }
+  }
+
   /** Journey stub: heal/soak composite hash split + golden parity (Phase 1037). */
   async runMeshStabilityUiHealSoakCompositeHashSplitJourney (guildId) {
     if (!this.platform) throw new Error('headless not started')