Paolo Mazzitti
9d240ea0ad
Render the Advisor spend next to the primary-model cost as `$2.67 (sub) + $0.41 (adv)`, leaving the status line unchanged until an Advisor cost exists. Record the cost from finalized advisor `message_end` events in a per-session ledger instead of deriving it from the live advisor transcript, so an in-session compaction or any other history rewrite no longer resets the reported spend. The ledger is cleared for a new session and once a different-session switch commits, and survives a switch that rolls back.
550 lines
22 KiB
TypeScript
550 lines
22 KiB
TypeScript
import { afterAll, afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "bun:test";
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import * as fs from "node:fs";
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import * as path from "node:path";
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import { Agent, type AgentMessage } from "@oh-my-pi/pi-agent-core";
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import type { Model } from "@oh-my-pi/pi-ai";
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import * as AIError from "@oh-my-pi/pi-ai/error";
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import { createMockModel } from "@oh-my-pi/pi-ai/providers/mock";
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import { getBundledModel } from "@oh-my-pi/pi-catalog/models";
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import { ModelRegistry } from "@oh-my-pi/pi-coding-agent/config/model-registry";
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import { Settings } from "@oh-my-pi/pi-coding-agent/config/settings";
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import type { ExtensionRunner } from "@oh-my-pi/pi-coding-agent/extensibility/extensions";
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import { AgentSession } from "@oh-my-pi/pi-coding-agent/session/agent-session";
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import { AgentStorage } from "@oh-my-pi/pi-coding-agent/session/agent-storage";
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import { AuthStorage } from "@oh-my-pi/pi-coding-agent/session/auth-storage";
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import { SessionManager } from "@oh-my-pi/pi-coding-agent/session/session-manager";
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import { getProjectAgentDir, TempDir } from "@oh-my-pi/pi-utils";
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describe("AgentSession advisor toggle", () => {
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let sharedDir: TempDir;
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let authStorage: AuthStorage;
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let modelRegistry: ModelRegistry;
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let model: Model;
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let replacementModel: Model;
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beforeAll(async () => {
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sharedDir = TempDir.createSync("@pi-advisor-toggle-shared-");
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authStorage = await AuthStorage.create(path.join(sharedDir.path(), "testauth.db"));
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authStorage.setRuntimeApiKey("anthropic", "test-key");
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authStorage.setRuntimeApiKey("openai", "test-key");
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authStorage.setRuntimeApiKey("openrouter", "test-key");
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modelRegistry = new ModelRegistry(authStorage);
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const bundled = getBundledModel("anthropic", "claude-sonnet-4-5");
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const replacement = getBundledModel("openai", "gpt-4o-mini");
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if (!bundled) throw new Error("Expected built-in anthropic model to exist");
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if (!replacement) throw new Error("Expected built-in OpenAI model to exist");
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model = bundled;
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replacementModel = replacement;
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});
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afterAll(async () => {
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authStorage.close();
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try {
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await sharedDir.remove();
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} catch {}
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});
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let tempDir: TempDir;
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let session: AgentSession;
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let sessionManager: SessionManager;
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beforeEach(async () => {
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tempDir = TempDir.createSync("@pi-advisor-toggle-");
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sessionManager = SessionManager.create(tempDir.path(), tempDir.path());
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const agent = new Agent({
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initialState: {
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model,
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systemPrompt: ["Test"],
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tools: [],
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messages: [],
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},
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});
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const settings = Settings.isolated({ "compaction.enabled": false });
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session = new AgentSession({
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agent,
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sessionManager,
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settings,
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modelRegistry,
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advisorTools: [],
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});
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});
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afterEach(async () => {
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await session.dispose();
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try {
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await tempDir.remove();
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} catch {}
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});
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function appendAdvisorCost(advisor: Agent, cost: number, timestamp: number): void {
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const message: AgentMessage = {
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role: "assistant",
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content: [{ type: "text", text: "reviewed" }],
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api: "anthropic-messages",
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provider: "anthropic",
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model: "claude-sonnet-4-5",
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usage: {
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input: 1,
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output: 1,
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cacheRead: 0,
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cacheWrite: 0,
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totalTokens: 2,
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cost: { input: 0, output: cost, cacheRead: 0, cacheWrite: 0, total: cost },
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},
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stopReason: "stop",
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timestamp,
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};
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advisor.emitExternalEvent({ type: "message_end", message });
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}
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it("starts with advisor disabled", () => {
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expect(session.isAdvisorActive()).toBe(false);
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expect(session.isAdvisorEnabled()).toBe(false);
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expect(session.formatAdvisorStatus()).toBe("Advisor is disabled.");
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});
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it("toggle enables the advisor and runtime", () => {
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session.settings.setModelRole("advisor", "anthropic/claude-sonnet-4-5");
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const active = session.toggleAdvisorEnabled();
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expect(active).toBe(true);
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expect(session.isAdvisorActive()).toBe(true);
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expect(session.isAdvisorEnabled()).toBe(true);
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expect(session.formatAdvisorStatus()).toContain("Advisor is enabled (anthropic/claude-sonnet-4-5)");
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});
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it("explicit enable rebuilds the runtime when the advisor role changes", () => {
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session.settings.setModelRole("advisor", `${model.provider}/${model.id}`);
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expect(session.setAdvisorEnabled(true)).toBe(true);
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expect(session.getAdvisorAgent()?.state.model.provider).toBe(model.provider);
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expect(session.getAdvisorAgent()?.state.model.id).toBe(model.id);
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session.settings.setModelRole("advisor", `${replacementModel.provider}/${replacementModel.id}`);
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expect(session.setAdvisorEnabled(true)).toBe(true);
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expect(session.getAdvisorAgent()?.state.model.provider).toBe(replacementModel.provider);
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expect(session.getAdvisorAgent()?.state.model.id).toBe(replacementModel.id);
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});
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it("refreshes the live advisor when the advisor role setting changes", () => {
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session.settings.setModelRole("advisor", `${model.provider}/${model.id}`);
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expect(session.setAdvisorEnabled(true)).toBe(true);
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expect(session.getAdvisorAgent()?.state.model.provider).toBe(model.provider);
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expect(session.getAdvisorAgent()?.state.model.id).toBe(model.id);
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session.settings.setModelRole("advisor", `${replacementModel.provider}/${replacementModel.id}`);
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expect(session.getAdvisorAgent()?.state.model.provider).toBe(replacementModel.provider);
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expect(session.getAdvisorAgent()?.state.model.id).toBe(replacementModel.id);
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});
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it("refreshes the live advisor when only the advisor route changes", () => {
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session.settings.setModelRole("advisor", "openrouter/z-ai/glm-4.7@cerebras");
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expect(session.setAdvisorEnabled(true)).toBe(true);
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expect(session.getAdvisorAgent()?.state.model.provider).toBe("openrouter");
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expect(session.getAdvisorAgent()?.state.model.id).toBe("z-ai/glm-4.7");
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expect(
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(session.getAdvisorAgent()?.state.model.compat as { openRouterRouting?: { only?: string[] } } | undefined)
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?.openRouterRouting?.only,
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).toEqual(["cerebras"]);
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session.settings.setModelRole("advisor", "openrouter/z-ai/glm-4.7@fireworks");
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expect(session.getAdvisorAgent()?.state.model.provider).toBe("openrouter");
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expect(session.getAdvisorAgent()?.state.model.id).toBe("z-ai/glm-4.7");
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expect(
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(session.getAdvisorAgent()?.state.model.compat as { openRouterRouting?: { only?: string[] } } | undefined)
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?.openRouterRouting?.only,
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).toEqual(["fireworks"]);
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});
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it("refreshes the live advisor after project model-role reloads", async () => {
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const projectA = path.join(tempDir.path(), "project-a");
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const projectB = path.join(tempDir.path(), "project-b");
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const agentDir = path.join(tempDir.path(), "agent");
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fs.mkdirSync(getProjectAgentDir(projectA), { recursive: true });
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fs.mkdirSync(getProjectAgentDir(projectB), { recursive: true });
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fs.mkdirSync(agentDir, { recursive: true });
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await Bun.write(
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path.join(getProjectAgentDir(projectA), "settings.json"),
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JSON.stringify({ modelRoles: { advisor: `${model.provider}/${model.id}` } }),
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);
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await Bun.write(
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path.join(getProjectAgentDir(projectB), "settings.json"),
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JSON.stringify({ modelRoles: { advisor: `${replacementModel.provider}/${replacementModel.id}` } }),
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);
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const settings = await Settings.loadIsolated({
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cwd: projectA,
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agentDir,
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overrides: { "compaction.enabled": false },
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});
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const customSession = new AgentSession({
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agent: new Agent({
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initialState: {
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model,
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systemPrompt: ["Test"],
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tools: [],
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messages: [],
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},
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}),
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sessionManager: SessionManager.create(tempDir.path(), tempDir.path()),
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settings,
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modelRegistry,
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advisorTools: [],
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});
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try {
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expect(customSession.setAdvisorEnabled(true)).toBe(true);
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expect(customSession.getAdvisorAgent()?.state.model.provider).toBe(model.provider);
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expect(customSession.getAdvisorAgent()?.state.model.id).toBe(model.id);
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await settings.reloadForCwd(projectB);
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expect(customSession.getAdvisorAgent()?.state.model.provider).toBe(replacementModel.provider);
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expect(customSession.getAdvisorAgent()?.state.model.id).toBe(replacementModel.id);
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} finally {
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await customSession.dispose();
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AgentStorage.resetInstance();
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}
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});
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it("keeps explicit enable idempotent when the advisor config is unchanged", () => {
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session.settings.setModelRole("advisor", `${model.provider}/${model.id}`);
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expect(session.setAdvisorEnabled(true)).toBe(true);
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const advisor = session.getAdvisorAgent();
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if (!advisor) throw new Error("Expected advisor agent to be live");
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const historyMessage: AgentMessage = { role: "user", content: "prior advisor context", timestamp: 1 };
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advisor.state.messages.push(historyMessage);
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expect(session.setAdvisorEnabled(true)).toBe(true);
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expect(session.getAdvisorAgent()).toBe(advisor);
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expect(session.getAdvisorAgent()?.state.messages).toEqual([historyMessage]);
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});
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it("explicit enable overrides default-off setting for the session only", () => {
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session.settings.setModelRole("advisor", "anthropic/claude-sonnet-4-5");
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session.settings.override("advisor.enabled", false);
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const customSession = new AgentSession({
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agent: session.agent,
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sessionManager,
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settings: session.settings,
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modelRegistry,
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advisorTools: [],
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});
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expect(customSession.isAdvisorEnabled()).toBe(false);
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const active = customSession.setAdvisorEnabled(true);
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expect(active).toBe(true);
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expect(customSession.isAdvisorActive()).toBe(true);
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expect(customSession.isAdvisorEnabled()).toBe(true);
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expect(customSession.settings.get("advisor.enabled")).toBe(false);
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});
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it("toggle disables the advisor and runtime", () => {
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session.settings.setModelRole("advisor", "anthropic/claude-sonnet-4-5");
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session.toggleAdvisorEnabled();
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const active = session.toggleAdvisorEnabled();
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expect(active).toBe(false);
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expect(session.isAdvisorActive()).toBe(false);
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expect(session.isAdvisorEnabled()).toBe(false);
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});
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it("setAdvisorEnabled reports inactive when the advisor role resolves to no model", () => {
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// The advisor role falls back to the `slow` priority chain when unset, so an
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// unset role still resolves a model. The inactive-but-enabled path is only
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// reached when the configured advisor model cannot be resolved at all.
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session.settings.setModelRole("advisor", "nonexistent/advisor-model");
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const active = session.setAdvisorEnabled(true);
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expect(active).toBe(false);
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expect(session.isAdvisorActive()).toBe(false);
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expect(session.isAdvisorEnabled()).toBe(true);
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expect(session.formatAdvisorStatus()).toBe(
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"Advisor setting is enabled, but no model is assigned to the 'advisor' role.",
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);
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});
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it("keeps sessions isolated when sharing a Settings instance", async () => {
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const sharedSettings = Settings.isolated({ "compaction.enabled": false });
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sharedSettings.setModelRole("advisor", "anthropic/claude-sonnet-4-5");
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expect(sharedSettings.get("advisor.enabled")).toBe(false);
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const sessionA = new AgentSession({
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agent: session.agent,
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sessionManager,
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settings: sharedSettings,
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modelRegistry,
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advisorTools: [],
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});
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const sessionB = new AgentSession({
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agent: session.agent,
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sessionManager,
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settings: sharedSettings,
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modelRegistry,
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advisorTools: [],
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});
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expect(sessionA.isAdvisorEnabled()).toBe(false);
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expect(sessionB.isAdvisorEnabled()).toBe(false);
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const activeA = sessionA.setAdvisorEnabled(true);
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expect(activeA).toBe(true);
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expect(sessionA.isAdvisorEnabled()).toBe(true);
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expect(sessionA.isAdvisorActive()).toBe(true);
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expect(sessionB.isAdvisorEnabled()).toBe(false);
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expect(sessionB.isAdvisorActive()).toBe(false);
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expect(sessionB.formatAdvisorStatus()).toBe("Advisor is disabled.");
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const activeB = sessionB.toggleAdvisorEnabled();
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expect(activeB).toBe(true);
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expect(sessionB.isAdvisorEnabled()).toBe(true);
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sessionA.setAdvisorEnabled(false);
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expect(sessionA.isAdvisorEnabled()).toBe(false);
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expect(sessionA.isAdvisorActive()).toBe(false);
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expect(sessionB.isAdvisorEnabled()).toBe(true);
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expect(sessionB.isAdvisorActive()).toBe(true);
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});
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it("exposes provider sessionId on live advisor stats", () => {
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session.settings.setModelRole("advisor", `${model.provider}/${model.id}`);
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session.toggleAdvisorEnabled();
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const stats = session.getAdvisorStats();
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expect(stats.advisors).toHaveLength(1);
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const sid = stats.advisors[0].sessionId!;
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// Full UUIDv7 — must not contain the display-label "-advisor" suffix
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expect(sid).toMatch(/^[0-9a-f]{8}-[0-9a-f]{4}-7[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i);
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expect(sid).not.toContain("-advisor");
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});
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it("retains cumulative advisor cost after the advisor is disabled", () => {
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session.settings.setModelRole("advisor", `${model.provider}/${model.id}`);
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session.toggleAdvisorEnabled();
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const advisor = session.getAdvisorAgent();
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if (!advisor) throw new Error("Expected advisor agent to exist");
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appendAdvisorCost(advisor, 0.41, 1);
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appendAdvisorCost(advisor, 0.09, 2);
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expect(session.getAdvisorCost()).toBeCloseTo(0.5, 8);
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session.setAdvisorEnabled(false);
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expect(session.getAdvisorCost()).toBeCloseTo(0.5, 8);
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});
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it("retains total advisor cost after the live roster changes", () => {
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session.settings.setModelRole("advisor", `${model.provider}/${model.id}`);
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session.toggleAdvisorEnabled();
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const advisor = session.getAdvisorAgent();
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if (!advisor) throw new Error("Expected advisor agent to exist");
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appendAdvisorCost(advisor, 0.5, 1);
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expect(session.applyAdvisorConfigs([{ name: "Security" }], undefined)).toBe(1);
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expect(session.getAdvisorCost()).toBeCloseTo(0.5, 8);
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expect(session.formatAdvisorStatus()).toContain("$0.5000");
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});
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it("retains cumulative advisor cost after an in-session history rewrite", async () => {
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session.settings.setModelRole("advisor", `${model.provider}/${model.id}`);
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session.toggleAdvisorEnabled();
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const advisor = session.getAdvisorAgent();
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if (!advisor) throw new Error("Expected advisor agent to exist");
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appendAdvisorCost(advisor, 0.5, 1);
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sessionManager.appendMessage({
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role: "user",
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content: [
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{ type: "text", text: "look" },
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{ type: "image", data: "iVBORw0KGgo", mimeType: "image/png" },
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],
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timestamp: 2,
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});
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expect(session.getAdvisorCost()).toBeCloseTo(0.5, 8);
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expect(await session.dropImages()).toEqual({ removed: 1 });
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expect(advisor.state.messages).toHaveLength(0);
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expect(session.getAdvisorCost()).toBeCloseTo(0.5, 8);
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expect(session.getAdvisorStats().cost).toBeCloseTo(0.5, 8);
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expect(session.formatAdvisorStatus()).toContain("$0.5000");
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});
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it("retains cumulative advisor cost when reloading the same session", async () => {
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session.settings.setModelRole("advisor", `${model.provider}/${model.id}`);
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session.toggleAdvisorEnabled();
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const advisor = session.getAdvisorAgent();
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if (!advisor) throw new Error("Expected advisor agent to exist");
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appendAdvisorCost(advisor, 0.5, 1);
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await session.reload();
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expect(session.getAdvisorCost()).toBeCloseTo(0.5, 8);
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});
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it("keeps advisor cost when switching sessions fails after the reset", async () => {
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session.settings.setModelRole("advisor", `${model.provider}/${model.id}`);
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session.toggleAdvisorEnabled();
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const advisor = session.getAdvisorAgent();
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if (!advisor) throw new Error("Expected advisor agent to exist");
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appendAdvisorCost(advisor, 0.5, 1);
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const previousSessionFile = sessionManager.getSessionFile();
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const targetSessionFile = SessionManager.createEmptySessionFile(tempDir.path());
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const failure = new Error("switch failed after advisor reset");
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vi.spyOn(sessionManager, "getLastModelChangeRole").mockImplementation(() => {
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throw failure;
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});
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await expect(session.switchSession(targetSessionFile)).rejects.toThrow(failure);
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expect(sessionManager.getSessionFile()).toBe(previousSessionFile);
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expect(session.getAdvisorCost()).toBeCloseTo(0.5, 8);
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});
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it("clears advisor cost once a switch to a different session commits", async () => {
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session.settings.setModelRole("advisor", `${model.provider}/${model.id}`);
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session.toggleAdvisorEnabled();
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const advisor = session.getAdvisorAgent();
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if (!advisor) throw new Error("Expected advisor agent to exist");
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appendAdvisorCost(advisor, 0.5, 1);
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const targetSessionFile = SessionManager.createEmptySessionFile(tempDir.path());
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expect(await session.switchSession(targetSessionFile)).toBe(true);
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expect(session.getAdvisorCost()).toBe(0);
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});
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it("clears cumulative advisor cost for a new session", async () => {
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session.settings.setModelRole("advisor", `${model.provider}/${model.id}`);
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session.toggleAdvisorEnabled();
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const advisor = session.getAdvisorAgent();
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if (!advisor) throw new Error("Expected advisor agent to exist");
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appendAdvisorCost(advisor, 0.5, 1);
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await session.newSession();
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expect(session.getAdvisorCost()).toBe(0);
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});
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it("clears advisor cost when a branch skips conversation restore", async () => {
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const extensionRunner = {
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hasHandlers: (eventType: string) => eventType === "session_before_branch",
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emit: async () => ({ skipConversationRestore: true }),
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} as unknown as ExtensionRunner;
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const branchDir = TempDir.createSync("@pi-advisor-branch-");
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const branchManager = SessionManager.create(branchDir.path(), branchDir.path());
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const branchSession = new AgentSession({
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agent: new Agent({
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initialState: { model, systemPrompt: ["Test"], tools: [], messages: [] },
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}),
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sessionManager: branchManager,
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settings: Settings.isolated({ "compaction.enabled": false }),
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modelRegistry,
|
|
advisorTools: [],
|
|
extensionRunner,
|
|
});
|
|
try {
|
|
branchSession.settings.setModelRole("advisor", `${model.provider}/${model.id}`);
|
|
branchSession.toggleAdvisorEnabled();
|
|
const advisor = branchSession.getAdvisorAgent();
|
|
if (!advisor) throw new Error("Expected advisor agent to exist");
|
|
const branchPoint = { role: "user" as const, content: "branch point", timestamp: 1 };
|
|
branchManager.appendMessage(branchPoint);
|
|
const entryId = branchManager.getLeafId();
|
|
if (!entryId) throw new Error("Expected a branchable entry");
|
|
branchManager.appendMessage({ role: "user", content: "after the branch point", timestamp: 2 });
|
|
branchSession.agent.replaceMessages(branchManager.buildSessionContext().messages);
|
|
await branchManager.flush();
|
|
appendAdvisorCost(advisor, 0.5, 1);
|
|
|
|
expect(await branchSession.branch(entryId)).toMatchObject({ cancelled: false });
|
|
|
|
// Restoring would rewind to the branch point; the extension owns that, so both
|
|
// messages stay. Only the spend of the conversation we left must not follow.
|
|
expect(branchSession.messages).toHaveLength(2);
|
|
expect(branchSession.getAdvisorCost()).toBe(0);
|
|
} finally {
|
|
await branchSession.dispose();
|
|
await branchDir.remove().catch(() => {});
|
|
}
|
|
});
|
|
it("clears advisor cost when a branch hook throws after the session changed", async () => {
|
|
const failure = new Error("session_branch handler failed");
|
|
const extensionRunner = {
|
|
hasHandlers: () => false,
|
|
emit: async (event: { type: string }) => {
|
|
if (event.type === "session_branch") throw failure;
|
|
return undefined;
|
|
},
|
|
} as unknown as ExtensionRunner;
|
|
const branchDir = TempDir.createSync("@pi-advisor-branch-fail-");
|
|
const branchManager = SessionManager.create(branchDir.path(), branchDir.path());
|
|
const branchSession = new AgentSession({
|
|
agent: new Agent({
|
|
initialState: { model, systemPrompt: ["Test"], tools: [], messages: [] },
|
|
}),
|
|
sessionManager: branchManager,
|
|
settings: Settings.isolated({ "compaction.enabled": false }),
|
|
modelRegistry,
|
|
advisorTools: [],
|
|
extensionRunner,
|
|
});
|
|
try {
|
|
branchSession.settings.setModelRole("advisor", `${model.provider}/${model.id}`);
|
|
branchSession.toggleAdvisorEnabled();
|
|
const advisor = branchSession.getAdvisorAgent();
|
|
if (!advisor) throw new Error("Expected advisor agent to exist");
|
|
branchManager.appendMessage({ role: "user", content: "branch point", timestamp: 1 });
|
|
const entryId = branchManager.getLeafId();
|
|
if (!entryId) throw new Error("Expected a branchable entry");
|
|
const previousSessionFile = branchManager.getSessionFile();
|
|
await branchManager.flush();
|
|
appendAdvisorCost(advisor, 0.5, 1);
|
|
|
|
await expect(branchSession.branch(entryId)).rejects.toThrow(failure);
|
|
|
|
// The hook failed only after the branch had already taken over the transcript,
|
|
// so the abandoned conversation's spend must not be billed to the new one.
|
|
expect(branchManager.getSessionFile()).not.toBe(previousSessionFile);
|
|
expect(branchSession.getAdvisorCost()).toBe(0);
|
|
} finally {
|
|
await branchSession.dispose();
|
|
await branchDir.remove().catch(() => {});
|
|
}
|
|
});
|
|
it("marks structurally classified advisor usage limits", async () => {
|
|
const mock = createMockModel({ responses: [{ content: ["primary complete"] }] });
|
|
const primaryAgent = new Agent({
|
|
initialState: {
|
|
model,
|
|
systemPrompt: ["Test"],
|
|
tools: [],
|
|
messages: [],
|
|
},
|
|
streamFn: mock.stream,
|
|
});
|
|
const settings = Settings.isolated({ "compaction.enabled": false });
|
|
settings.setModelRole("advisor", `${model.provider}/${model.id}`);
|
|
const quotaSession = new AgentSession({
|
|
agent: primaryAgent,
|
|
sessionManager: SessionManager.inMemory(),
|
|
settings,
|
|
modelRegistry,
|
|
advisorTools: [],
|
|
});
|
|
|
|
try {
|
|
expect(quotaSession.setAdvisorEnabled(true)).toBe(true);
|
|
const advisorAgent = quotaSession.getAdvisorAgent();
|
|
if (!advisorAgent) throw new Error("Expected advisor agent to exist");
|
|
vi.spyOn(advisorAgent, "prompt").mockRejectedValue(
|
|
new AIError.ProviderHttpError("Generic provider failure", 429, { code: "insufficient_quota" }),
|
|
);
|
|
const markUsageLimitReached = vi
|
|
.spyOn(authStorage, "markUsageLimitReached")
|
|
.mockResolvedValue({ switched: false });
|
|
|
|
await quotaSession.prompt("Trigger advisor");
|
|
await quotaSession.waitForIdle();
|
|
|
|
expect(markUsageLimitReached).toHaveBeenCalledTimes(1);
|
|
expect(markUsageLimitReached.mock.calls[0]?.[0]).toBe(model.provider);
|
|
} finally {
|
|
await quotaSession.dispose();
|
|
vi.restoreAllMocks();
|
|
}
|
|
});
|
|
});
|