610 lines
22 KiB
TypeScript
610 lines
22 KiB
TypeScript
import fs from "fs"
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import os from "os"
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import path from "path"
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import { MatrixBotClient, type MatrixEventContext } from "./matrix-client.js"
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import { SessionManager } from "./session-manager.js"
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import { loadConfig } from "./config-loader.js"
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import { setAppLog, log, logError } from "./logger.js"
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// =============================================================================
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// Plugin data directory — uses the same default as matrix-client
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// =============================================================================
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function ensureDataDir(dir: string): void {
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if (!fs.existsSync(dir)) {
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fs.mkdirSync(dir, { recursive: true })
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}
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}
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// =============================================================================
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// Global mutex — prevents double startup (server + client both load plugins)
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// =============================================================================
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let LOCK_FILE = ""
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function tryAcquireLock(): boolean {
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try {
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// Check if an existing lock is stale (process no longer running)
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if (fs.existsSync(LOCK_FILE)) {
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const existingPid = parseInt(fs.readFileSync(LOCK_FILE, "utf-8").trim(), 10)
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if (existingPid && existingPid !== process.pid) {
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try {
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process.kill(existingPid, 0) // throws if process doesn't exist
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} catch {
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// Process dead, remove stale lock
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fs.unlinkSync(LOCK_FILE)
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}
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} else if (existingPid === process.pid) {
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// Same process re-entering (shouldn't happen, but be safe)
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return false
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} else {
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return false // Valid lock held by another process
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}
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}
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fs.writeFileSync(LOCK_FILE, String(process.pid), { mode: 0o644 })
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return true
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} catch {
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return false
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}
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}
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function releaseLock(): void {
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try {
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fs.unlinkSync(LOCK_FILE)
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} catch {
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// ignore
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}
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}
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// =============================================================================
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// Plugin Setup
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// =============================================================================
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async function runPlugin(ctx: any, options: any, dataDir: string) {
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ensureDataDir(dataDir)
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LOCK_FILE = `${dataDir}/lock`
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const directory = ctx?.location?.directory || process.cwd()
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log(`Plugin setup started, directory=${directory}`)
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// Acquire global lock — only one instance (server or client) starts the bot
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const locked = tryAcquireLock()
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if (!locked) {
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log("Another instance already running (lock held), skipping bot startup")
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return () => {}
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}
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const eventController = new AbortController()
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let cleanup: (() => void) | undefined
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try {
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log(`Configuration loaded`)
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if (!options.homeserver) {
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log("Plugin disabled (no homeserver configured)")
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return () => {}
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}
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log(`Configuration loaded`)
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const matrix = new MatrixBotClient(options)
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const sessionManager = new SessionManager(options.rateLimitSeconds || 5)
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// Track Matrix context per OpenCode session
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const sessionContextMap = new Map<string, { roomId: string; threadRootId: string; context: any }>()
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// =============================================================================
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// Pending prompt responses — maps sessionID -> { resolve, reject }
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// =============================================================================
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const pendingResponses = new Map<string, {
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resolve: (text: string) => void
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reject: (err: any) => void
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}>()
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// =============================================================================
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// Step tracking — each step is one LLM turn, sent as a separate Matrix message
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// =============================================================================
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interface ToolCall {
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toolID: string
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name: string
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args: string
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result: string
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failed: boolean
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}
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interface StepData {
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assistantMessageID: string
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reasoning: string
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tools: ToolCall[]
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text: string
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}
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interface SessionState {
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steps: Map<string, StepData> // assistantMessageID → step
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currentStepID: string | null
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context: MatrixEventContext
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finalResponse?: string
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done: boolean // true после finish:stop
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}
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const sessionsBySessionID = new Map<string, SessionState>()
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// =============================================================================
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// Event subscription — collects step data and sends messages per step
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// =============================================================================
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void (async () => {
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try {
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for await (const event of ctx.event.subscribe({ signal: eventController.signal })) {
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let eventData: any = event
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if (typeof event === "string") {
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try { eventData = JSON.parse(event) } catch { continue }
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}
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const eventType = eventData?.type || ""
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const sessionId = eventData?.data?.sessionID || ""
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const assistantMsgID = eventData?.data?.assistantMessageID || ""
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// Skip all events after session is done
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const state = sessionsBySessionID.get(sessionId)
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if (state?.done) continue
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// ── Step lifecycle ──────────────────────────────────────────────
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if (eventType === "session.step.started") {
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// SessionState created in message handler after prompt
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if (!sessionsBySessionID.has(sessionId)) {
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log(`step.started for unknown session ${sessionId}`)
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continue
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}
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const state = sessionsBySessionID.get(sessionId)!
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state.currentStepID = assistantMsgID
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state.steps.set(assistantMsgID, {
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assistantMessageID: assistantMsgID,
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reasoning: "",
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tools: [],
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text: "",
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})
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continue
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}
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// ── Reasoning ───────────────────────────────────────────────────
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if (eventType === "session.reasoning.delta" && assistantMsgID) {
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const state = sessionsBySessionID.get(sessionId)
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const step = state?.steps.get(assistantMsgID)
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if (step) step.reasoning += eventData?.data?.delta || ""
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continue
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}
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if (eventType === "session.reasoning.ended" && assistantMsgID) {
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const state = sessionsBySessionID.get(sessionId)
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const step = state?.steps.get(assistantMsgID)
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if (step) step.reasoning = eventData?.data?.text || ""
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continue
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}
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// ── Tool calls ──────────────────────────────────────────────────
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if (eventType === "session.tool.input.started" && assistantMsgID) {
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const toolID = eventData?.data?.id || ""
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const name = eventData?.data?.name || ""
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const state = sessionsBySessionID.get(sessionId)
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const step = state?.steps.get(assistantMsgID)
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if (step && toolID) {
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step.tools.push({ toolID, name, args: "", result: "", failed: false })
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}
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continue
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}
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if (eventType === "session.tool.input.ended" && assistantMsgID) {
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const toolID = eventData?.data?.id || ""
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const args = eventData?.data?.text || ""
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const state = sessionsBySessionID.get(sessionId)
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const step = state?.steps.get(assistantMsgID)
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if (step && toolID) {
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const tool = step.tools.find(t => t.toolID === toolID)
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if (tool) tool.args = args
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}
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continue
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}
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if (eventType === "session.tool.success" && assistantMsgID) {
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const toolID = eventData?.data?.id || ""
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const content = eventData?.data?.content
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let result = ""
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if (typeof content === "string") {
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result = content
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} else if (Array.isArray(content)) {
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for (const part of content) {
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if (part?.type === "text" && part?.text) result += part.text
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}
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}
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const state = sessionsBySessionID.get(sessionId)
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const step = state?.steps.get(assistantMsgID)
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if (step && toolID) {
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const tool = step.tools.find(t => t.toolID === toolID)
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if (tool) tool.result = result
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}
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continue
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}
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if (eventType === "session.tool.failed" && assistantMsgID) {
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const toolID = eventData?.data?.id || ""
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const state = sessionsBySessionID.get(sessionId)
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const step = state?.steps.get(assistantMsgID)
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if (step && toolID) {
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const tool = step.tools.find(t => t.toolID === toolID)
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if (tool) { tool.failed = true; tool.result = String(eventData?.data?.error || "Unknown error") }
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}
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continue
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}
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// ── Text output ────────────────────────────────────────────────
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if (eventType === "session.text.ended" && assistantMsgID) {
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const state = sessionsBySessionID.get(sessionId)
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// Skip text events after final step
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if (state?.done) continue
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const step = state?.steps.get(assistantMsgID)
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if (step) {
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step.text = eventData?.data?.text || ""
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if (state) state.finalResponse = step.text
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}
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continue
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}
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// ── Step ended — send message for this step ────────────────────
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if (eventType === "session.step.ended" && sessionId && assistantMsgID) {
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const state = sessionsBySessionID.get(sessionId)
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// Skip steps after final (finish:stop) — they are re-projections/duplicates
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if (state?.done) continue
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const step = state?.steps.get(assistantMsgID)
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const finish = eventData?.data?.finish || ""
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if (step && state) {
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const msg = formatStepMessage(step)
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await sendMessageToMatrix(state.context, msg)
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log(`Step ${step.tools.length} tool(s), ${step.text.length} chars text → sent to ${state.context.roomId}`)
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}
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// If this is the final step, mark done and resolve the pending promise
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if (finish === "stop" && state) {
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state.done = true
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const pending = pendingResponses.get(sessionId)
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if (pending && state.finalResponse) {
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pendingResponses.delete(sessionId)
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pending.resolve(state.finalResponse)
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}
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sessionsBySessionID.delete(sessionId)
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}
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continue
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}
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// ── Execution errors ───────────────────────────────────────────
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if (eventType === "session.execution.failed" && sessionId) {
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const pending = pendingResponses.get(sessionId)
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if (pending) {
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pendingResponses.delete(sessionId)
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pending.reject(new Error("Session execution failed"))
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}
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sessionsBySessionID.delete(sessionId)
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continue
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}
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if (eventType === "session.execution.interrupted" && sessionId) {
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const pending = pendingResponses.get(sessionId)
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if (pending) {
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pendingResponses.delete(sessionId)
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pending.reject(new Error("Session execution interrupted"))
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}
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sessionsBySessionID.delete(sessionId)
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continue
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}
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}
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} catch (err) {
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if (String(err).includes("AbortError") || (err as { name?: string }).name === "AbortError") {
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// expected during cleanup
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} else {
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log(`Event subscription error: ${String(err)}`)
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}
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}
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})()
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// =============================================================================
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// Format step into Matrix message
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// =============================================================================
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function formatStepMessage(step: StepData): string {
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const parts: string[] = []
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// Reasoning in spoiler
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if (step.reasoning) {
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parts.push(`<details>\n<summary>Thinking</summary>\n\n${step.reasoning}\n\n</details>`)
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}
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// Tool calls — all in one spoiler with tool names in summary
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if (step.tools.length > 0) {
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const toolNames = step.tools.map(t => t.name).join(", ")
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parts.push(`<details>\n<summary>🔧 ${toolNames}</summary>\n\n`)
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for (const tool of step.tools) {
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parts.push(`<b>${tool.name}</b>\n`)
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parts.push(`<b>Args:</b>\n\`\`\`\n${tool.args}\n\`\`\`\n`)
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if (tool.failed) {
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parts.push(`<b>Failed:</b> ${tool.result}\n`)
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} else {
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parts.push(`<b>Result:</b>\n\`\`\`\n${tool.result}\n\`\`\`\n`)
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}
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parts.push("\n")
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}
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parts.push(`</details>`)
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}
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// Separator before text
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if (step.text) {
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if (parts.length > 0) parts.push("\n---\n")
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parts.push(step.text)
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}
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return parts.join("\n")
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}
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// =============================================================================
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// Send message to Matrix (reuses existing sendReply/sendNotice)
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// =============================================================================
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async function sendMessageToMatrix(
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context: MatrixEventContext,
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text: string,
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): Promise<void> {
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try {
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await matrix.sendReply(context, text)
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} catch (err) {
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log(`Failed to send step message: ${String(err)}`)
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await matrix.sendNotice(context, `Error sending: ${String(err).slice(0, 200)}`)
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}
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}
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// Message handler
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matrix.on(async (data: any) => {
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const { context, query, sender, roomId, eventId, timestamp } = data
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// Check rate limit
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if (sessionManager.isRateLimited(sender)) {
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await matrix.sendNotice(context, "Rate limited. Please wait a moment.")
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return
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}
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// Check for active query
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if (sessionManager.hasActiveQuery(roomId, context.replyThreadRootId || context.eventId)) {
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await matrix.sendNotice(context, "A request is already running in this thread. Please wait.")
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return
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}
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const abortFn = () => { /* placeholder for cancel */ }
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const releaseQuery = sessionManager.markQueryActive(roomId, context.replyThreadRootId || context.eventId, abortFn)
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const threadRootId = context.replyThreadRootId || context.eventId
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const session = sessionManager.getOrCreateSession(roomId, threadRootId, eventId)
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session.isActive = true
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session.messageCount++
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session.inputChars += query.length
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session.lastEventIds.set(context.replyThreadRootId || context.eventId, eventId)
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session.lastActivity = Date.now()
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let opencodeSessionId = session.opencodeSessionId
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// If we have a session ID from the map, verify it exists in OpenCode
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if (opencodeSessionId) {
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try {
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await ctx.session.get({ sessionID: opencodeSessionId })
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log(`Using existing OpenCode session ${opencodeSessionId}`)
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} catch (getErr: any) {
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log(`Session ${opencodeSessionId} not found in OpenCode, creating new one`)
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opencodeSessionId = ""
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}
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}
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// If no session ID yet, create one
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if (!opencodeSessionId) {
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log(`Creating new OpenCode session for ${roomId}:${threadRootId}`)
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try {
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const createResult = await ctx.session.create({ title: `Matrix: ${roomId.slice(0, 30)}...` })
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opencodeSessionId = createResult?.id || createResult?.data?.id
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log(`Created OpenCode session ${opencodeSessionId} for ${roomId}:${threadRootId}`)
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session.opencodeSessionId = opencodeSessionId
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sessionManager.saveSession(roomId, threadRootId, opencodeSessionId)
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sessionContextMap.set(opencodeSessionId, { roomId, threadRootId, context })
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} catch (createErr: any) {
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log(`Failed to create session: ${String(createErr)}`)
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session.isActive = false
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session.lastActivity = Date.now()
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releaseQuery()
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await matrix.sendNotice(context, "Failed to create session. Check logs.")
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return
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}
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}
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try {
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// Trigger prompt — returns admission receipt, not response text
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await ctx.session.prompt({
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sessionID: opencodeSessionId,
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text: query,
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})
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log(`Prompt sent to session ${opencodeSessionId}`)
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// Create session state for step tracking
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sessionsBySessionID.set(opencodeSessionId, {
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steps: new Map(),
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currentStepID: null,
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context,
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finalResponse: undefined,
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done: false,
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})
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// Wait for response text from event subscription
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// Resolved by: session.step.ended (finish: "stop")
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// Rejected by: session.execution.failed / session.execution.interrupted
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const responsePromise = new Promise<string>((resolve, reject) => {
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pendingResponses.set(opencodeSessionId, { resolve, reject })
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})
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const responseText = await responsePromise
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session.outputChars += responseText.length
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// Step messages already sent by event subscription — no double send
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} catch (err: any) {
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log(`Error processing message: ${String(err)}`)
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const errMsg = err?.response?.error?.message || String(err)
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await matrix.sendNotice(context, `Error: ${errMsg.slice(0, 200)}`)
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} finally {
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session.isActive = false
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session.lastActivity = Date.now()
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sessionContextMap.delete(opencodeSessionId)
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releaseQuery()
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}
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})
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// Bridge commands
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async function handleBridgeCommand(
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context: { roomId: string; replyThreadRootId?: string; threadRootId?: string; eventId: string },
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cmdName: string,
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sendFn: (text: string) => Promise<void>,
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): Promise<void> {
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const threadRootId = context.threadRootId || context.replyThreadRootId || context.eventId
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const key = sessionManager.getSessionKey(context.roomId, threadRootId)
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const sess = sessionManager.sessions.get(key)
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switch (cmdName) {
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case "status": {
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if (!sess) {
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await sendFn("No active session.")
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return
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}
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const age = Math.round((Date.now() - sess.lastActivity) / 60000)
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const msg = `Session status:\n- Messages: ${sess.messageCount}\n- Age: ~${age} min ago\n- Input: ~${sess.inputChars} chars\n- Output: ~${sess.outputChars} chars`
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await sendFn(msg)
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break
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}
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case "clear":
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case "reset": {
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sessionManager.removeSession(context.roomId, threadRootId)
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await sendFn("Session cleared. Next message will start a fresh session.")
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break
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}
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case "help":
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case "h": {
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const trigger = options.triggerPatterns?.[0] || "!oc "
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const botName = options.botName || "opencode"
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const msg = [
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`${botName} - OpenCode Matrix Plugin`,
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"",
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"Bridge commands:",
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`- /h or /help - Show this help`,
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`- /status - Show current chat session info`,
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`- /clear or /reset - Delete current session history`,
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"",
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`Usage: ${trigger} <your question>`,
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`Or @${botName} <your question>`,
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`Or reply in a thread`,
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].join("\n")
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await sendFn(msg)
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break
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}
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default:
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await sendFn(`Unknown command: ${cmdName}. Try /help`)
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}
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}
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// Override the matrix.on handler to also process commands
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const originalListener = (matrix as any)["listeners"][0]
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;(matrix as any)["listeners"] = []
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matrix.on(async (data: any) => {
|
|
const { context, query, sender, eventId } = data
|
|
|
|
// Handle bridge commands
|
|
if (query.startsWith("/")) {
|
|
const cmdName = query.slice(1).split(" ")[0].toLowerCase()
|
|
const bridgeCommands = ["status", "clear", "reset", "help", "h"]
|
|
if (bridgeCommands.includes(cmdName)) {
|
|
const sendFn = (text: string) => matrix.sendNotice(context, text)
|
|
await handleBridgeCommand(context, cmdName, sendFn)
|
|
return
|
|
}
|
|
}
|
|
|
|
// Forward to original handler
|
|
if (originalListener) {
|
|
await originalListener(data)
|
|
}
|
|
})
|
|
|
|
// V2 Storage
|
|
if (ctx?.storage) {
|
|
await ctx.storage.set("matrix/plugin_version", "1.0.0")
|
|
await ctx.storage.set("matrix/started_at", new Date().toISOString())
|
|
}
|
|
|
|
// Start Matrix client
|
|
await matrix.start()
|
|
|
|
log(`Plugin setup completed successfully`)
|
|
|
|
cleanup = () => {
|
|
log("Plugin cleaning up...")
|
|
eventController.abort()
|
|
matrix.stop()
|
|
// Don't release lock — keep it on disk so client always sees it
|
|
}
|
|
|
|
return cleanup
|
|
} catch (err) {
|
|
logError(`Setup error: ${String(err)}`)
|
|
releaseLock()
|
|
return () => {}
|
|
}
|
|
}
|
|
|
|
// =============================================================================
|
|
// V2 Setup Function
|
|
// =============================================================================
|
|
|
|
async function v2Setup(ctx: any) {
|
|
const rawStorage = (ctx.options as any)?.storagePath
|
|
const dataDir = rawStorage
|
|
? path.join(rawStorage, "plugin-data")
|
|
: path.join(os.homedir(), ".local", "share", "opencode-matrix-bot", "plugin-data")
|
|
ensureDataDir(dataDir)
|
|
|
|
// Try to use OpenCode's logging API
|
|
if (ctx?.app?.log) {
|
|
setAppLog(ctx.app.log.bind(ctx.app))
|
|
}
|
|
|
|
try {
|
|
const { options } = await loadConfig(ctx.options)
|
|
return await runPlugin(ctx, options, dataDir)
|
|
} catch (err) {
|
|
logError(`V2 setup error: ${String(err)}`)
|
|
return () => {}
|
|
}
|
|
}
|
|
|
|
// =============================================================================
|
|
// Export
|
|
// =============================================================================
|
|
|
|
export default {
|
|
id: "matrix-plugin",
|
|
async setup(ctx: any) {
|
|
log("Using V2 path (full context)")
|
|
return await v2Setup(ctx)
|
|
},
|
|
}
|