chore: release (rc)

Author: github-actions[bot]

.changeset/pre.json

@@ -19,6 +19,7 @@
     "@trigger.dev/sdk": "4.4.6"
   },
   "changesets": [
+    "agent-skills-bundled-in-sdk",
     "agent-skills",
     "ai-prompts",
     "ai-sdk-7-support",
@@ -31,17 +32,22 @@
     "chat-agent-tools",
     "chat-agent",
     "chat-boot-cursor",
+    "chat-headstart-custom-backends",
     "chat-headstart-hydrate",
     "chat-headstart-reasoning",
+    "chat-headstart-trigger-config",
     "chat-history-read-primitives",
     "chat-session-attributes",
     "chat-slim-wire-merge",
     "chat-start-session-action-typed-client-data",
+    "chat-system-prompt-caching",
     "chat-transport-recreate-missing-session",
     "cli-deploy-skip-rewrite-timestamp",
+    "cli-dev-without-project",
     "cli-init-ai-tooling",
     "coerce-concurrency-key-to-string",
     "create-session-stop-continuation",
+    "custom-agent-loop-fixes",
     "dequeue-latency-histogram",
     "duplicate-task-ids",
     "env-vars-tracing-forceflush-typecheck",