Create Hana plugin scaffolds and guide users through beginner or developer plugin planning, capability checks, manifest setup, runtime tools, WebView/iframe UI, Session/Agent APIs, model/media APIs, SDK templates, and install-ready plugin directories. Use when HanaAgent/Codex needs to explain what Hana plugins can do, help a user describe a plugin idea, check whether the SDK supports it, or generate/update a Hana plugin with @hana/plugin-runtime, @hana/plugin-sdk, and @hana/plugin-components.
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SKILL.md
تعليمات المصدر · معاينة للقراءة فقط
name
hana-plugin-creator
description
Create Hana plugin scaffolds and guide users through beginner or developer plugin planning, capability checks, manifest setup, runtime tools, WebView/iframe UI, Session/Agent APIs, model/media APIs, SDK templates, and install-ready plugin directories. Use when HanaAgent/Codex needs to explain what Hana plugins can do, help a user describe a plugin idea, check whether the SDK supports it, or generate/update a Hana plugin with @hana/plugin-runtime, @hana/plugin-sdk, and @hana/plugin-components.
compatibility
Uses a bundled Node preflight plus a Python scaffold script. No third-party Python packages are required.
metadata
{"default-enabled":false}
Hana Plugin Creator
Use this skill for Hana application plugins, not Codex .codex-plugin bundles.
First Contact
On first use, give a map, not an encyclopedia. Explain what Hana plugins can add, ask what the user wants to build, and invite follow-up questions. Expand details only after the user asks or after the chosen scaffold needs them.
Choose the user mode this way:
If the user explicitly says they are new, non-technical, or wants hand-holding, use beginner mode.
If the user explicitly asks for SDK/API/build details or gives code-level requirements, use developer mode.
If memory is unavailable, disabled, or uncertain, ask: 你想我用哪种方式帮你创建插件？A. 边讲边做 B. 开发者模式
Beginner mode tone: encouraging, concrete, and guided. Say that the user can describe the feature in plain language, HanaAgent will help turn it into a plugin plan and scaffold, and HanaAgent can answer questions at any step. Ask:
你希望 HanaAgent 多一个什么能力？
这个能力是让 Agent 自动调用，还是让你点界面使用？
它需要界面、文件、联网、外部平台、账号权限吗？
Developer mode tone: concise and collaborative. Lead with the capability surface, then ask for the target contribution and integration boundary.
After delivering a plugin, encourage with grounded product value. Name the real situation where the plugin helps, such as reducing repeated steps, making an external service available inside Hana, turning a manual workflow into an Agent-callable tool, or giving a recurring task a stable UI. Use natural wording such as 这个想法挺实用，适合把每周重复整理的步骤固定下来 or 这个方向比较适合做成工具型插件，因为 Agent 可以在对话里直接调用. Avoid inflated praise like 你的设想太棒了.
Capability Map
Hana plugins can provide:
Agent-callable tools and slash-style actions.
Skills, agents, and knowledge that guide model behavior.
WebView/iframe pages, widgets, and cards using Hana theme and host capabilities.
Declarative chat.surface cards for showing plugin-owned private session transcripts in the main chat stream.
Lifecycle and EventBus handlers for full-access integrations.
Session and Agent control through @hana/plugin-runtime: create/list/update/send/abort/history sessions, subscribe to session events, create/read/update plugin-owned agents, and hide plugin-private resources from the main Hana UI.
Per-turn model context injection through sendSessionMessage(..., { context }) or session:send.context, suitable for plugin-owned RAG, world lore, mood, character state, or routing hints. This affects only the current provider request and does not rewrite visible user text.
Non-streaming utility model calls through sampleText() for plugin-side summarization, RAG query rewriting, routing, and classification.
External HTTP data access through runtime ctx.network.fetch() with manifest-declared hosts, methods, timeout, cache, and response-size boundaries.
User resource access through runtime ctx.resources, with ResourceRef inputs for local files, mounts, SessionFiles, durable resources, read-only URLs, and backend watch subscriptions.
Media discovery and generation through listMediaProviders(), resolveMediaModel(), and generateImage(), with generated files delivered as SessionFile resources.
Provider contributions for chat and media capabilities, including image/video/speech providers backed by HTTP, OAuth HTTP, local CLI, browser CLI, or plugin runtimes.
Pi SDK extension-style integrations under extensions/*.js where the plugin must observe or transform the LLM request pipeline.
SessionFile-backed outputs for files and media.
Hana provides install/enable/reload, per-agent skill toggles, manifest capability checks, iframe host messaging, theme tokens, toast/clipboard/external host APIs, EventBus, data directories, and SDK packages.
Current boundaries: WebView/iframe UI is the stable escape hatch for existing web apps, remote sites, and standalone HTML. chat.surface is a thin native transcript surface for plugin-owned plugin_private / private sessions created through the runtime session API. Rich native card composition is not part of the public SDK contract yet. Native renderer components and code sandboxing are not the default path yet. Ordinary manifest capabilities are declaration metadata and can be used directly through the SDK/EventBus; sensitiveCapabilities records future user-granted permission intent. If a request depends on native renderer hooks, code sandboxing, or fine-grained permission prompts, explain the gap and propose the closest supported shape.
Environment Preflight
Run the bundled Node preflight before invoking the Python scaffold script:
The preflight itself is JavaScript and uses only Node built-ins.
It finds Python through HANA_PLUGIN_CREATOR_PYTHON, python3, python, or Windows py -3.
It requires Python 3.9+ because the scaffold script uses modern stdlib typing syntax.
If it returns ok: false, stop and show the user the message or installGuidance. Do not auto-install dependencies.
Use the same Python command that passed preflight for the scaffold examples below. The examples use python3.
Workflow
Find the Hana repo root. Prefer the current workspace if it contains PLUGIN_SDK.md, PLUGINS.md, and packages/plugin-runtime.
Read PLUGIN_SDK.md and the relevant sections of PLUGINS.md before changing plugin code. For React UI, also read packages/plugin-sdk/README.md and packages/plugin-components/README.md.
Pick a template:
direct: no npm install, no build step, best for a beginner's first runnable plugin.
guided-react: React/Vite/SDK starter with shared Hana components and a gentler README.
professional-react: React/Vite/SDK starter for developers who expect package scripts and typed UI code.
Pick the contribution kind:
tool: restricted plugin with tools/*.js.
ui: full-access WebView/iframe page/widget.
full: tool, lifecycle/EventBus entry, and WebView/iframe UI.
provider: full-access provider declaration under providers/*.js.
Pick the target location:
Built-in plugin shipped with Hana: plugins/<plugin-id>.
Example or template plugin: examples/plugins/<plugin-id>.
User-installed plugin: the directory reported by /api/plugins/settings or ${HANA_HOME}/plugins.
Generate the scaffold with the bundled script, then adjust names, descriptions, tools, routes, capabilities, and UI to the user's request.
When converting an existing website or single-page app into a Hana iframe plugin, rewrite same-plugin browser fetch('/api/...') calls to hana.api.fetch(...), move static files under assets/, and use hana.assets.url(...) for browser-side asset references.
If the website depends on live third-party data, create a plugin route and call ctx.network.fetch(...) from that route. Add network.fetch and network.allowedHosts to the manifest instead of calling the third-party API directly from iframe JavaScript.
Use the Plugin Dev Loop when available:
confirm the user has enabled Settings -> Plugins -> "Allow Agent plugin dev tools";
Scaffold Commands
Beginner starter:
python3 skills2set/hana-plugin-creator/scripts/create_hana_plugin.py "My Plugin" --path examples/plugins --audience beginner --template direct
Static tools/*.js must export name, description, parameters, and execute.
Agent-callable tools should declare sessionPermission. Use readOnly: true for pure reads, kind: "plugin_output" for bounded plugin-data writes that return SessionFile media, and kind: "external_side_effect" for network/provider/platform actions that Auto mode should send to the reviewer. Tools that modify user workspace files should stay reviewer-bound unless the user has explicitly granted a narrower workflow.
React templates may use @hana/plugin-runtime, @hana/plugin-sdk, and @hana/plugin-components.
Static iframe resources belong under assets/ and should be referenced with hana.assets.url(path) from browser code or the official /api/plugins/{pluginId}/assets/... path from the route shell. This includes CSS, JS, images, fonts, JSON, wasm, and browser-playable videos such as MP4/WebM/MOV. Do not inline large assets as a workaround.
Do not create custom plugin routes only to serve static files, such as /api/video, /api/file, or /assets/*, in new Agent-generated code. Existing plugins with static-file compatibility handlers may continue to run; if editing them, prefer adding the official assets/ references without removing the existing handler unless the user explicitly asks for cleanup.
Dev authority is not a manifest permission. Hana grants it from the remembered dev install slot under ${HANA_HOME}/plugins-dev/, and Agent dev tools are hidden until the user enables the dev tools setting.
Declare ordinary SDK needs in manifest capabilities, such as session, agent, model.sample, and media.generate. Put future high-risk needs in sensitiveCapabilities.
For external HTTP APIs, declare "network.fetch" in capabilities and add a top-level network object with allowedHosts, methods, defaultTimeoutMs, and maxResponseBytes. Use ctx.network.fetch(url, { cacheTtlMs }) from Node-side tools, routes, or lifecycle code.
Marketplace Rules
Marketplace metadata lives in the OH-Plugins repository, not inside project-hana.
Official source plugins may live in OH-Plugins/official-plugins/<plugin-id>/ with a matching plugins/<plugin-id>.yaml.
Each marketplace entry needs one README source: readme, readmePath, or readmeUrl. Use readmePath only for local file marketplaces; use inline readme or HTTPS readmeUrl for URL marketplaces.
Prefer versions[] once a plugin has more than one release line. Each version item declares version, compatibility.minAppVersion, and its own distribution.
For a single release, root version, compatibility, and distribution remain valid; Hana normalizes them into a single version entry.
Hana selects the highest SemVer version compatible with the current app and exposes update, reinstall, incompatible, and downgrade states to the UI.
If the selected compatible version is lower than the installed version, install requires explicit downgrade confirmation with allowDowngrade: true.
Release installs are backed up before replacement and rolled back when the new plugin fails to load.
Local file marketplaces can install distribution.kind = "source" entries because paths resolve on disk.
URL marketplaces browse entries, show README content, and install release packages by downloading the zip and verifying sha256.
Before pushing OH-Plugins, complete the release safety review and wait for explicit user confirmation.
UI Rules
Default React plugin UI to HanaThemeProvider mode="inherit" so it follows the host theme.
Use mode="hana" for a named Hana theme, and mode="custom" only for explicit token overrides.
Route shells should read hana-theme and hana-css query params, include the theme CSS link when present, and escape values inserted into HTML attributes.
Direct templates may use small no-build host messaging helpers, but should stay compatible with the public iframe protocol.
Direct templates include hana.api.fetch() for plugin route calls; preserve that helper when simplifying generated browser code.
Website-To-Plugin Conversion Rules
Split the source website into a route shell plus assets/. Keep HTML structure in the shell, compiled or copied JS/CSS/media in assets/, and business APIs in routes/*.js.
Large media such as MP4 backgrounds must stay as files under assets/; do not base64-inline them and do not stream them through custom plugin routes.
Live data APIs belong behind plugin routes that call ctx.network.fetch(). The browser page calls hana.api.fetch('api/...'), receives sanitized JSON, and renders it locally.
First paint must not auto-call LLM APIs. Trigger model calls only from an explicit user action, then call a plugin backend route with hana.api.fetch(...); the backend route may use sampleText() or other runtime helpers.
After generating or editing a UI plugin, check for disallowed patterns before installing: pluginIframeTicket in asset/API URLs, hard-coded /api/plugins/{pluginId} in browser code, direct third-party fetch() from iframe assets, custom static-file routes in new code, missing assets/ files, and page-load LLM calls.
If the user asks to turn a login-backed or browser-operated website into a plugin, explain that the stable API today is WebView/iframe UI plus route-backed data APIs. Do not create ad hoc browser-control interfaces; note that a future web-session capability should own persistent cookies, navigation, and user-mediated external site interaction.
Use the dev loop first. Install source into ${HANA_HOME}/plugins-dev/, reload after edits, run diagnostics and scenarios, then package or install into the normal plugin directory only after the dev copy works. Existing installed plugins may include compatibility handlers; treat them as cleanup candidates, not broken plugins.
install source with plugin.dev.install;
reload with plugin.dev.reload after edits;
keep the returned devRunId and pass it to lifecycle controls when available;
enable, disable, reset, or uninstall only through plugin.dev.enable, plugin.dev.disable, plugin.dev.reset, and plugin.dev.uninstall;
inspect plugin.dev.diagnostics;
smoke-test tools with plugin.dev.invokeTool;
list UI surfaces with plugin.dev.listSurfaces;
run manifest.dev.scenarios with plugin.dev.runScenario.
For UI debugging, prefer element-first inspection: read accessible elements, role, label, text, and stable locators before screenshots. Use screenshots for visual polish, clipping, theme fit, or fallback.
If the user wants publication, choose one channel:
local debug: keep source local and install through the dev loop;
human review bundle: create zip, README, manifest, screenshots, and sha256 for email/group/issue review;
official OH-Plugins release: prepare catalog entry and release zip, then complete the release safety review before any remote push.
Run focused verification. When editing this skill, at minimum validate the skill and run the scaffold script against a temp directory.
Iframe browser code must not call third-party APIs directly. It should call a same-plugin route with hana.api.fetch(...); the route reads config/secrets server-side and calls ctx.network.fetch(...).
Do not invent custom external-data permission fields, custom ticket query params, custom proxy routes, or global fetch wrappers. Existing plugins that already use direct Node fetch() remain compatible, but new or refactored Agent-generated code should use ctx.network.fetch() so diagnostics can explain missing capabilities, hosts, methods, and response-size limits.
User resource access must go through ctx.resources. Declare resource.read for stat/read/list, resource.search for search, resource.write for write/writeExpectedVersion/edit/mkdir/delete/copy/rename/move/trash, resource.materialize for concrete local paths, and resource.watch for backend watch subscriptions through ctx.resources.watch() / ctx.resources.subscribe(). URL resources are read-only. Do not use local path writes for user resources.
Release resource watch handles explicitly. Lifecycle plugins should pass watch.unsubscribe to register(), and short-lived tools should release in finally. Listen for resource.changed, resource.deleted, and resource.renamed on ctx.bus, then filter by the handle's resourceKeys.
Generated plugins should model user-file inputs as ResourceRefs, such as { kind: "local-file", path }, { kind: "mount", mountId, path }, { kind: "session-file", fileId }, { kind: "resource", resourceId }, or { kind: "url", url }. Avoid designing new tool parameters that require host-local absolute paths unless the feature is explicitly local-execution-only.
Keep the storage split clear: ctx.resources is for user resources; toolCtx.stageFile() is for plugin-generated files that need to become SessionFile media; ctx.dataDir and packaged assets/ are plugin-owned storage. Raw fs examples are only acceptable for plugin-owned storage, not workspace, mount, URL, or SessionFile inputs.
Use ctx.resources.materialize(ref) only when a parser, CLI, or host library needs a concrete local path. Treat the returned path as an execution boundary and write back through ResourceIO explicitly if the source resource must change.
Browser iframe code may call hana.resources.open(), hana.resources.pick(), or hana.resources.requestAccess() as host-mediated requests only. It must not read or write filesystem content directly; server-side plugin routes and tools should use ctx.resources for actual resource operations.
If iframe code calls hana.resources.open(), hana.resources.pick(), or hana.resources.requestAccess(), declare the matching resource.open, resource.pick, or resource.requestAccess entry under ui.hostCapabilities. Do not request resource host grants in templates that do not use those calls.
Store API keys, bearer tokens, and cookies through configuration schema and ctx.config; never place secrets in assets/, iframe JavaScript, route shell HTML, or checked-in examples.
Prefer runtime helpers over raw bus calls for stable host capabilities: createSession, getSession, listSessions, updateSession, sendSessionMessage, subscribeSessionEvents, createAgent, updateAgent, sampleText, ctx.resources.watch, ctx.resources.subscribe, listMediaProviders, resolveMediaModel, generateImage, generateMedia, generateVideo, and transcribeAudio.
createSession() creates a detached Hana session and does not switch the main UI focus. Use visibility: "plugin_private" and ownerPluginId for plugin-only sessions or Tavern-style parallel chat surfaces.
Use createChatSurfaceCard(ctx, session.sessionRef ?? session, options) when a plugin wants to display its own private session in chat. Do not hand-build path-only chat.surface payloads; the helper requires sessionId / sessionRef and Hana verifies plugin ownership before rendering.
createAgent() / updateAgent() can create plugin-owned hidden agents. Keep plugin-only characters and resources marked visibility: "plugin_private" unless the user expects them in the main Agent list.
Use sendSessionMessage() with context.system, context.beforeUser, or context.afterUser for per-turn RAG/world-lore/mood injection. Do not write JSONL history directly and do not mutate the visible user message to smuggle hidden context.
Use sampleText() for plugin-side reasoning tasks that do not need a full chat turn, such as query rewriting, summaries, classifiers, or routing.
Use generateImage() / generateMedia() for host media generation instead of calling provider internals directly. The media task pipeline owns progress, cancellation, delivery, and SessionFile registration. Image references should use { kind: "session_file", fileId } instead of raw local paths. Provider models must declare reference-image support on each mode with modes[].inputLimits.referenceImages, such as { min: 0, max: 0 } for text-only generation or { min: 1, max: 1 } for a single-reference mode. Use transcribeAudio() for ASR over registered SessionFile audio.
Do not call legacy media-gen:* events from newly generated plugins. They remain only for old adapter compatibility. New provider plugins must declare providers/*.js with capabilities.media.*, then use stable media helpers or the formal Adapter Plugin API once available.
Local files returned to users must go through toolCtx.stageFile({ sessionId, sessionRef, filePath, label }), then media details. sessionPath is legacy locator metadata only, not identity. Do not hand-build local MEDIA: or file:// output.
Page and widget contributions require "trust": "full-access" and route-backed WebView/iframe UI. WebView/iframe cards remain valid for plugin web UI; native chat.surface cards are only for plugin-owned private session transcripts. Rich native card APIs are not part of the public SDK contract yet.
Iframe browser code must call this plugin's own route handlers with hana.api.fetch('route/path', init) or hana.api.url('route/path'). Do not hard-code /api/plugins/{pluginId}/... in browser code, do not reuse pluginIframeTicket for XHR/fetch, and do not ask authors to manually pass pluginSurfaceSession unless documenting the low-level protocol.
pluginIframeTicket is only for iframe document loading. Do not append it to CSS, JS, image, font, video, or XHR URLs.
Pi SDK extension factories under extensions/*.js require "trust": "full-access". They are for provider request rewriting, context filtering, and tool-call observation; use ordinary tools/*.js for Agent-callable actions.
After full-access plugin install, enable, or reload, Hana rebinds extension runners for idle sessions. Busy sessions pick up the change on the next safe rebuild, so do not promise that an in-flight reply will use freshly edited extension code.
Declare only the iframe host capabilities actually used.
EventBus handlers should return HANA_BUS_SKIP for payloads that do not belong to them.
Keep WebView/iframe UI self-contained. Do not import renderer internals from desktop/src/react.
Provider declarations live in providers/*.js and require "trust": "full-access".
Keep capabilities.chat separate from capabilities.media.*. Media-only providers must set chat.projection = "none" so they never appear in chat model selectors.
CLI-backed providers must declare runtime.kind = "local-cli" or "browser-cli" with structured arg bindings and output contracts. Do not build shell command strings.
