Bohdan Triapitsyn
ce5c0c068e
OpenCode marks an MCP server failed when it does not come up at startup or when a live connection drops, and never retries. A new managed plugin reconnects those servers with a per-server backoff (1s doubling to a 30s cap), wakes early on mcp.tools.changed, and stops on dispose. Only the failed state is retried; disabled and auth states stay untouched. The OPENCODE_CONFIG_CONTENT merge that agent-tool and system-prompt each carried is now one shared helper so the three managed plugins compose. Claude-Session: https://claude.ai/code/session_01VqV56Hez25hTxXH4ipJfzH
50 lines
1.9 KiB
JavaScript
50 lines
1.9 KiB
JavaScript
import { pathToFileURL } from 'node:url';
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import { appendManagedPlugin } from '../opencode/managed-plugin-config.js';
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const PROVIDER_PROMPT_BOUNDARY = 'You are powered by the model named';
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const MINIMAL_IDENTITY = 'You are OpenCode, a coding agent.';
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const createPluginSource = () => String.raw`
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const PROVIDER_PROMPT_BOUNDARY = ${JSON.stringify(PROVIDER_PROMPT_BOUNDARY)}
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const MINIMAL_IDENTITY = ${JSON.stringify(MINIMAL_IDENTITY)}
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const optimizedSessions = new Map()
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export const OpenChamberSystemPromptPlugin = async () => ({
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"chat.message": async (input, output) => {
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if (!input.sessionID) return
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const agent = output?.message?.agent ?? input.agent
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if (agent === "build" || agent === "plan") {
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optimizedSessions.set(input.sessionID, agent)
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return
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}
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optimizedSessions.delete(input.sessionID)
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},
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event: async ({ event }) => {
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if (event?.type === "session.deleted") optimizedSessions.delete(event.properties?.info?.id)
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},
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"experimental.chat.system.transform": async (input, output) => {
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if (!input.sessionID || !optimizedSessions.has(input.sessionID)) return
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const prompt = output.system.join("\n")
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const boundary = prompt.indexOf(PROVIDER_PROMPT_BOUNDARY)
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if (boundary < 0) return
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output.system.length = 0
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output.system.push(MINIMAL_IDENTITY + "\n\n" + prompt.slice(boundary))
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},
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})
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`;
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export const createSystemPromptRuntime = ({ fsPromises, path, dataDir }) => {
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const pluginDirectory = path.join(dataDir, 'system-prompt');
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const pluginPath = path.join(pluginDirectory, 'openchamber-system-prompt-plugin.js');
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const prepareManagedOpenCodeEnv = async (rawConfig) => {
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await fsPromises.mkdir(pluginDirectory, { recursive: true });
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await fsPromises.writeFile(pluginPath, createPluginSource(), { mode: 0o600 });
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return {
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OPENCODE_CONFIG_CONTENT: appendManagedPlugin(rawConfig, pathToFileURL(pluginPath).href, 'system prompt optimizer'),
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};
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};
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return { prepareManagedOpenCodeEnv };
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};
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