* feat: support docs create title option
Change-Id: I6fd840fe813e5e664ea9ec680765fd41375cdebf
* docs: refine docs title guidance
Change-Id: I2f986a4606729bc791a1bff6c03aaa198b0798dc
* docs: keep lark doc skill create example
Change-Id: Ic7005e015c9e71a4582c1f4a8ac8222d552426d4
* test: allow docs create title flag in help
Change-Id: I0226e20c6bf2187eb6c4f0d2d5e37ab9225d4171
Emit structured validation, API, network, file, and internal error envelopes for Doc shortcuts so users and agents can recover from failed document workflows using stable type, subtype, param, and code fields.
Add Doc domain errscontract and golangci guards to prevent legacy envelope and common helper regressions.