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master-ai/vibn-agent-runner/dist/agent-session-runner.js
mawkone 3d07cf38b6 fix(runner): wire ToolContext vibnApiUrl + mcpToken so agent tools reach the frontend MCP
buildContext() hardcoded vibnApiUrl='http://localhost:3000' and mcpToken='',
so every agent tool call (projects_list, workspace_describe, apps_list, ...)
fetched the runner itself on a dead port and failed with 'fetch failed'.
Now /agent/execute reads mcpToken from the request body and sets
ctx.vibnApiUrl (from VIBN_API_URL), ctx.mcpToken, and ctx.projectId before
running the agent.
2026-05-30 19:15:43 -07:00

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"use strict";
/**
* agent-session-runner.ts
*
* Upgraded Cloud Agent Executor for VibnCode.
* Implements 4-level Smart Concurrency (parallel reads/lookups) and the
* Ralph Loop (autonomous self-correction) entirely inside your secure Cloud VM.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.runSessionAgent = runSessionAgent;
const child_process_1 = require("child_process");
const vibn_chat_model_1 = require("./llm/vibn-chat-model");
const tools_1 = require("./tools");
const loader_1 = require("./prompts/loader");
const MAX_TURNS = 45;
// ── VIBN DB bridge ────────────────────────────────────────────────────────────
async function patchSession(opts, payload) {
const url = `${opts.vibnApiUrl}/api/projects/${opts.projectId}/agent/sessions/${opts.sessionId}`;
try {
await fetch(url, {
method: "PATCH",
headers: {
"Content-Type": "application/json",
"x-agent-runner-secret": process.env.AGENT_RUNNER_SECRET ?? "",
},
body: JSON.stringify(payload),
});
}
catch (err) {
console.warn("[session-runner] PATCH failed:", err instanceof Error ? err.message : err);
}
}
function now() {
return new Date().toISOString();
}
// ── File change tracking ──────────────────────────────────────────────────────
const FILE_WRITE_TOOLS = new Set([
"write_file",
"replace_in_file",
"create_file",
"fs_write",
"fs_edit",
]);
function extractChangedFile(toolName, args, workspaceRoot, appPath) {
if (!FILE_WRITE_TOOLS.has(toolName))
return null;
const rawPath = String(args.path ?? args.file_path ?? "");
if (!rawPath)
return null;
// Make path relative to appPath for display
const fullPrefix = `${workspaceRoot}/${appPath}/`;
const appPrefix = `${appPath}/`;
let displayPath = rawPath.replace(fullPrefix, "").replace(appPrefix, "");
const fileStatus = toolName === "write_file" || toolName === "fs_write" ? "added" : "modified";
return { path: displayPath, status: fileStatus };
}
// ── Auto-commit helper ────────────────────────────────────────────────────────
async function autoCommitAndDeploy(opts, task, emit) {
const repoRoot = opts.repoRoot;
if (!repoRoot || !opts.giteaRepo) {
await emit({
ts: now(),
type: "info",
text: "Auto-approve skipped — no repo root available.",
});
return;
}
const gitOpts = { cwd: repoRoot, stdio: "pipe" };
const giteaApiUrl = process.env.GITEA_API_URL || "";
const giteaUsername = process.env.GITEA_USERNAME || "agent";
const giteaToken = process.env.GITEA_API_TOKEN || "";
try {
try {
(0, child_process_1.execSync)('git config user.email "agent@vibnai.com"', gitOpts);
(0, child_process_1.execSync)('git config user.name "VIBN Agent"', gitOpts);
}
catch {
/* already set */
}
(0, child_process_1.execSync)("git add -A", gitOpts);
const status = (0, child_process_1.execSync)("git status --porcelain", gitOpts)
.toString()
.trim();
if (!status) {
await emit({
ts: now(),
type: "info",
text: "✓ No file changes to commit.",
});
await patchSession(opts, { status: "approved" });
return;
}
const commitMsg = `agent: ${task.slice(0, 72)}`;
const msgFile = require("path").join(opts.repoRoot || process.cwd(), ".git", "COMMIT_EDITMSG");
require("fs").writeFileSync(msgFile, commitMsg, "utf8");
(0, child_process_1.execSync)("git commit -F .git/COMMIT_EDITMSG", gitOpts);
try {
require("fs").unlinkSync(msgFile);
}
catch { }
await emit({
ts: now(),
type: "info",
text: `✓ Committed: "${commitMsg}"`,
});
const authedUrl = `${giteaApiUrl}/${opts.giteaRepo}.git`.replace("https://", `https://${giteaUsername}:${giteaToken}@`);
(0, child_process_1.execSync)(`git push "${authedUrl}" HEAD:main`, gitOpts);
await emit({ ts: now(), type: "info", text: "✓ Pushed to Gitea." });
// Optional Coolify deploy
let deployed = false;
if (opts.coolifyApiUrl && opts.coolifyApiToken && opts.coolifyAppUuid) {
try {
const deployRes = await fetch(`${opts.coolifyApiUrl}/api/v1/applications/${opts.coolifyAppUuid}/start`, {
method: "POST",
headers: { Authorization: `Bearer ${opts.coolifyApiToken}` },
});
deployed = deployRes.ok;
if (deployed)
await emit({
ts: now(),
type: "info",
text: "✓ Deployment triggered.",
});
}
catch {
/* best-effort */
}
}
await patchSession(opts, {
status: "approved",
outputLine: {
ts: now(),
type: "done",
text: `✓ Auto-committed & ${deployed ? "deployed" : "pushed"}. No approval needed.`,
},
});
}
catch (err) {
const msg = err instanceof Error ? err.message : String(err);
await emit({
ts: now(),
type: "error",
text: `Auto-commit failed: ${msg}`,
});
// Fall back to done so user can manually approve
await patchSession(opts, { status: "done" });
}
}
// ── Main streaming execution loop ─────────────────────────────────────────────
async function runSessionAgent(config, task, ctx, opts) {
const systemPrompt = (0, loader_1.resolvePrompt)(config.promptId);
const emit = async (line) => {
console.log(`[session ${opts.sessionId}] ${line.type}: ${line.text}`);
await patchSession(opts, { outputLine: line });
};
await emit({
ts: now(),
type: "info",
text: `Agent starting working in ${opts.appPath}`,
});
// Scope the system prompt to the specific app within the monorepo
const basePrompt = (0, loader_1.resolvePrompt)(config.promptId);
const scopedPrompt = `${basePrompt}
\n\n## Active context
You are working inside the monorepo directory: ${opts.appPath}
All file paths you use should be relative to this directory unless otherwise specified.
When running commands, always cd into ${opts.appPath} first unless already there.
Do NOT run git commit or git push — the platform handles committing after you finish.
`;
const history = [{ role: "user", content: task }];
let turn = 0;
let toolCallsSinceText = 0;
let roundsSinceText = 0;
const toolFingerprints = [];
let loopBreakReason = null;
let ralphIteration = 0;
function fingerprintToolCall(tc) {
if (tc.name === "shell_exec") {
const cmd = String(tc.args?.command ?? "").trim();
const verb = cmd
.split("&&")
.map((s) => s.trim())
.find((s) => !s.startsWith("cd "))
?.split(/\s+/)[0] ?? "shell";
return `shell_exec:${verb}`;
}
if (tc.name === "fs_write" ||
tc.name === "fs_edit" ||
tc.name === "fs_read") {
return `${tc.name}:${tc.args?.path}`;
}
return `${tc.name}:${Object.values(tc.args ?? {})[0]}`;
}
while (turn < MAX_TURNS) {
if (opts.isStopped()) {
await emit({ ts: now(), type: "info", text: "Stopped by user." });
await patchSession(opts, { status: "stopped" });
return;
}
turn++;
const isSilent = roundsSinceText >= 15 || toolCallsSinceText >= 20;
const extraSystem = isSilent
? "\n\n[STATUS NUDGE] You have run " +
`${toolCallsSinceText} tool call(s) over ${roundsSinceText} round(s) ` +
"without sending the user any text. Before any more tool calls, " +
"send ONE short sentence describing what you are currently working " +
"on and why."
: "";
let resp;
try {
resp = await (0, vibn_chat_model_1.callVibnChat)({
systemPrompt: scopedPrompt + extraSystem,
messages: history,
tools: config.tools,
temperature: 0.2,
});
}
catch (err) {
const msg = err instanceof Error ? err.message : String(err);
await emit({ ts: now(), type: "error", text: `LLM error: ${msg}` });
await patchSession(opts, { status: "failed", error: msg });
return;
}
if (resp.error) {
await emit({
ts: now(),
type: "error",
text: `LLM error: ${resp.error}`,
});
await patchSession(opts, { status: "failed", error: resp.error });
return;
}
if (resp.text) {
await emit({ ts: now(), type: "info", text: resp.text });
roundsSinceText = 0;
toolCallsSinceText = 0;
}
else if (resp.toolCalls.length) {
roundsSinceText++;
toolCallsSinceText += resp.toolCalls.length;
}
// ── Self-Correcting Ralph Loop Autonomy ──
if (!resp.toolCalls.length) {
const text = resp.text || "";
const incompleteSignals = [
"I need to",
"Let me",
"Next, I should",
"I should also",
"Additionally",
"I will now",
"I need first to",
];
const needsMoreWork = incompleteSignals.some((signal) => text.includes(signal));
if (needsMoreWork && ralphIteration < 3) {
ralphIteration++;
await emit({
ts: now(),
type: "info",
text: `🔄 [Ralph Loop] Self-reflection triggered (iteration ${ralphIteration}/3). Resuming execution...`,
});
history.push({
role: "user",
content: "Please continue implementing the outstanding next steps to complete the task.",
});
continue;
}
// If fully complete, trigger auto-commit and finish
if (opts.autoApprove) {
await autoCommitAndDeploy(opts, task, emit);
}
else {
await patchSession(opts, { status: "completed" });
}
return;
}
for (const tc of resp.toolCalls) {
toolFingerprints.push(fingerprintToolCall(tc));
}
const window = toolFingerprints.slice(-10);
const counts = new Map();
for (const fp of window)
counts.set(fp, (counts.get(fp) ?? 0) + 1);
let maxRepeats = 0;
let repeatedCmd = "";
for (const [fp, n] of counts.entries()) {
if (n > maxRepeats) {
maxRepeats = n;
repeatedCmd = fp.split("|")[0];
}
}
if (maxRepeats >= 6) {
loopBreakReason = `Repeated ${repeatedCmd} ${maxRepeats}× in last 10 calls`;
break;
}
history.push({
role: "assistant",
content: resp.text,
toolCalls: resp.toolCalls,
});
// ── 4-Level Smart Concurrency Tool Grouping ──
const parallelReads = resp.toolCalls.filter((tc) => [
"fs_read",
"fs_tree",
"fs_list",
"fs_glob",
"fs_grep",
"projects_list",
"project_recent_errors",
].includes(tc.name));
const sequentialWrites = resp.toolCalls.filter((tc) => [
"fs_write",
"fs_edit",
"create_file",
"write_file",
"replace_in_file",
"apps_create",
"databases_create",
].includes(tc.name));
const otherTools = resp.toolCalls.filter((tc) => !parallelReads.includes(tc) && !sequentialWrites.includes(tc));
// Stage 1: Parallel Reads
if (parallelReads.length > 0) {
await emit({
ts: now(),
type: "step",
text: `Executing ${parallelReads.length} read operations concurrently...`,
});
await Promise.all(parallelReads.map(async (tc) => {
let result;
try {
result = await (0, tools_1.executeTool)(tc.name, tc.args, ctx);
}
catch (err) {
result = {
error: err instanceof Error ? err.message : String(err),
};
}
const resultStr = typeof result === "string"
? result
: JSON.stringify(result, null, 2);
history.push({
role: "tool",
content: resultStr,
toolCallId: tc.id,
toolName: tc.name,
});
}));
}
// Stage 2: Parallelizable Other Tools
if (otherTools.length > 0) {
await Promise.all(otherTools.map(async (tc) => {
await emit({
ts: now(),
type: "step",
text: `Running ${tc.name}...`,
});
let result;
try {
result = await (0, tools_1.executeTool)(tc.name, tc.args, ctx);
}
catch (err) {
result = {
error: err instanceof Error ? err.message : String(err),
};
}
const resultStr = typeof result === "string"
? result
: JSON.stringify(result, null, 2);
history.push({
role: "tool",
content: resultStr,
toolCallId: tc.id,
toolName: tc.name,
});
}));
}
// Stage 3: Sequential User-Safe Writes/Edits
if (sequentialWrites.length > 0) {
for (const tc of sequentialWrites) {
await emit({
ts: now(),
type: "step",
text: `Writing modifications: ${tc.name}...`,
});
let result;
try {
result = await (0, tools_1.executeTool)(tc.name, tc.args, ctx);
const changedFile = extractChangedFile(tc.name, tc.args, ctx.workspaceRoot, opts.appPath);
if (changedFile) {
await patchSession(opts, { changedFile });
}
}
catch (err) {
result = { error: err instanceof Error ? err.message : String(err) };
}
const resultStr = typeof result === "string" ? result : JSON.stringify(result, null, 2);
history.push({
role: "tool",
content: resultStr,
toolCallId: tc.id,
toolName: tc.name,
});
}
}
}
if (loopBreakReason) {
await emit({
ts: now(),
type: "error",
text: `Loop broken: ${loopBreakReason}`,
});
await patchSession(opts, { status: "failed", error: loopBreakReason });
}
else {
await patchSession(opts, { status: "failed", error: "Max turns reached" });
}
}