Accept static and plain-hook plugins

[ScriptedAlchemy]

Summary

• expose Skill, rule, command, and Hook leaves directly in the Workbench, with authored/generated content and per-host capability metadata
• stop Codex and Cursor from emitting empty MCP/Hook shields when no selected host actually emits the conventional document
• extend the existing Skills Starter and Hooks and Scripts examples, including packed relocation/runtime-absence and watcher edit/delete acceptance

Acceptance evidence

• static: 20 files / 111,668 bytes / 0 plugin-process starts; 0 bins, Hooks, MCP servers, scripts, App runtime, Flight worker, state owner, or notice kernel
• plain Hook: 22 files / 130,643 bytes / 1 explicitly requested plugin-process start; 1 Codex Hook executable, 0 MCP servers/scripts/App/Flight/state/notices
• removed undeclared surfaces: .codex-plugin/{hooks,mcp}.json, .cursor-plugin/{hooks,mcp}.json, and their manifest pointers/capability advertisements from the static composite artifact

Local merge gate

Passed on a branch containing current origin/main:

• pnpm build && pnpm typecheck && pnpm lint && pnpm test:unit
• pnpm --dir examples/skills-starter check
• pnpm --dir examples/hooks-and-scripts check
• pnpm exec rstest --config rstest.integration.config.ts packages/agent-bundle/tests/host-adapters.test.ts packages/agent-bundle/tests/examples-contract.test.ts
• pnpm test:examples:browser (desktop 1440×900)
• pnpm exec rstest --config rstest.packed.config.ts packages/agent-bundle/tests/packed-small-plugin.test.ts
• pnpm docs:site:build

Deslop: GPT-5.6 Sol, 5 edits.

Self-review

Reviewer: Claude Fable 5.1 high.

• First pass found stale adapter expectations, a Claude command-validation conflict, stale shield docs, capability fallback, and weak process/runtime assertions. Fixed all findings and reran focused tests.
• Second pass found one stale EN/ZH reference paragraph. Fixed both and added warning-free inspection coverage.
• Final pass after merging PR feat(dev): PR 2a — execution parity, provenance, and honest telemetry for Workbench route invocations (#600) #643 found no concrete merge risks; retained both route-parity and static deletion assertions in the sole conflict.

Closes #652

[changeset-bot]

🦋 Changeset detected

Latest commit: 527ba91

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
agent-bundle	Patch

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[pkg-pr-new]

npm i https://pkg.pr.new/ScriptedAlchemy/agent-bundle@658

npm i https://pkg.pr.new/ScriptedAlchemy/agent-bundle/create-agent-bundle@658

npm i https://pkg.pr.new/ScriptedAlchemy/agent-bundle/rsc-markdown-stream@658

npm i https://pkg.pr.new/ScriptedAlchemy/agent-bundle/@agent-bundle/runtime@658

commit: 3a827ce

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