Add Taiga auto-sync Codex plugin

plugins/taiga-auto-sync/hooks/claude-codex-hooks.json

@@ -0,0 +1,12 @@
+{
+  "hooks": {
+    "UserPromptSubmit": [{
+      "hooks": [{
+        "type": "command",
+        "command": "sh \"${CLAUDE_PLUGIN_ROOT}/hooks/taiga-reminder.sh\"",
+        "timeout": 3,
+        "statusMessage": "Checking Taiga tracking..."
+      }]
+    }]
+  }
+}

plugins/taiga-auto-sync/hooks/taiga-reminder.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+cat <<'EOF'
+TAIGA AUTO-SYNC: For material IT Infra & Ops work, create or update the matching Taiga item now through the scoped launcher. Do not track read-only/no-op work. A new User Story must use the Wiki description template; preserve its state file for progress, blocked, and verified done updates.
+EOF