[bot] Document Agent Plugins 1.0 rebrand and /limits predict command

[github-actions]

What changed upstream

• Agent Plugins 1.0 launched on August 6, 2026 at [agent-plugins.org]((agentplugins.org/redacted), formalizing the cross-tool plugin packaging standard previously known as "Open Plugin Spec v1". VS Code 1.133 adopted the standard alongside GitHub Copilot CLI, using a shared plugin.json + skills/ + mcp.json layout with tool-specific data kept in per-tool namespaces (e.g. com.github.copilot/).
• Copilot CLI v1.0.76 added /limits predict, which suggests a session AI-credit limit based on similar past sessions for usage-based billing users.

Sources checked: github/copilot-cli changelog.md and recent releases, VS Code 1.133/1.134 release notes (microsoft/vscode-docs), and agent-plugins.org.

Learning Hub updates

• installing-and-using-plugins.md: Renamed the "Open Plugin Spec v1 Compatibility" section to "Agent Plugins Standard Compatibility" and added context on the Agent Plugins 1.0 launch, VS Code's adoption, and the shared/portable vs. tool-specific namespace model.
• copilot-configuration-basics.md: Added documentation for the /limits predict command near the existing /usage command coverage.

Both files' lastUpdated front matter was bumped to reflect the changes. The cli-for-beginners section was intentionally left untouched per review guidance. No other gaps were found versus the past-7-days changelog — most recent CLI features (worktree changes, sandbox auth tab, model picker grouping, sessions sidebar, /permissions) were already documented.

Warning

Firewall blocked 4 domains

The following domains were blocked by the firewall during workflow execution:

• agentplugins.org
• code.visualstudio.com
• github.blog
• nishanil.github.io

To allow these domains, add them to the network.allowed list in your workflow frontmatter:

network:
  allowed:
    - defaults
    - "agentplugins.org"
    - "code.visualstudio.com"
    - "github.blog"
    - "nishanil.github.io"

See Network Configuration for more information.

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