agentui open, files filters and bulk delete (0.3.0)

[nesbtesh]

Catches the skills up with CLI 0.15.0 (agentui open) and the files work on staging (files list filters, multi-id files delete).

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Note

Low Risk
Markdown-only updates to CHANGELOG and skill guidance; no executable code or config changes.

Overview
Docs-only release prep for 0.3.0 — aligns the changelog and AgentUI assistant skills with CLI 0.15.0 / staging files behavior; no runtime code in this repo.

agentui open is now the prescribed way to send users into the web app (settings, secrets, integrations, data security) instead of vague “open the dashboard” guidance or hand-built /dl URLs. Skills (agentui-platform, agentui-ship-app, agentui-integrations, agentui-app-data) document targets like open integration <provider>, open security <Table>, and bare agentui open for pending project needs. agentui project link is explicitly reframed as a preview login token, distinct from open.

Files CLI docs add files list filter/sort flags (--category, date/size, --visibility, --sort/--order) and bulk files delete (many ids, batched, exit 1 with deleted / notFound / failed counts).

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