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feat: apply agent profile settings atomically

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This commit is contained in:
Federico Jaramillo Martinez
2026-07-14 00:11:39 +02:00
parent adc2e297a4
commit 8b5ccc2fd9
33 changed files with 794 additions and 163 deletions
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src/config.ts
+15 -14
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@@ -1,9 +1,12 @@
import { existsSync, mkdirSync, readFileSync, writeFileSync } from "node:fs";
import { homedir } from "node:os";
import { basename, dirname, isAbsolute, join, normalize, resolve } from "node:path";
import type { PiWebConfigValues } from "./shared/apiTypes.js";
import type { PiWebAgentDirEnvSource, PiWebConfigValues } from "./shared/apiTypes.js";
import { isPiCompanionCommand, usesPiCodingAgentStateCompatibility } from "./shared/activeAgentProfile.js";
import { isPiWebPluginId, piWebPluginIdPattern } from "./shared/pluginIds.js";
export { isPiCompanionCommand };
export type PiWebConfig = PiWebConfigValues;
export interface LoadedPiWebConfig {
@@ -61,7 +64,7 @@ export interface EffectivePiWebAgentConfig {
export function effectiveAgentConfig(env: NodeJS.ProcessEnv = process.env, config: Pick<PiWebConfig, "agent"> = {}): EffectivePiWebAgentConfig {
const command = parseAgentCommand(envValue(env, PI_WEB_AGENT_COMMAND_ENV) ?? config.agent?.command ?? DEFAULT_AGENT_COMMAND, "agent.command", "environment", "current");
const configuredDir = envValue(env, PI_WEB_AGENT_DIR_ENV) ?? (usesDefaultPiStatePolicy(command) ? envValue(env, PI_CODING_AGENT_DIR_ENV) : undefined) ?? config.agent?.dir ?? defaultAgentDirForCommand(command, env);
const configuredDir = envValue(env, PI_WEB_AGENT_DIR_ENV) ?? (usesPiCodingAgentStateCompatibility(command) ? envValue(env, PI_CODING_AGENT_DIR_ENV) : undefined) ?? config.agent?.dir ?? defaultAgentDirForCommand(command, env);
return {
command,
dir: resolveAgentDirPath(configuredDir, env, "agent.dir", "environment"),
@@ -72,12 +75,19 @@ export function effectiveAgentConfig(env: NodeJS.ProcessEnv = process.env, confi
export function agentSessionDirEnvKeys(command = DEFAULT_AGENT_COMMAND): string[] {
return uniqueStrings([
PI_WEB_AGENT_SESSION_DIR_ENV,
...(usesDefaultPiStatePolicy(command) ? [PI_CODING_AGENT_SESSION_DIR_ENV] : []),
...(usesPiCodingAgentStateCompatibility(command) ? [PI_CODING_AGENT_SESSION_DIR_ENV] : []),
]);
}
export function agentDirEnvSource(env: NodeJS.ProcessEnv): PiWebAgentDirEnvSource | undefined {
if (isEnvSet(env[PI_WEB_AGENT_DIR_ENV])) return "pi-web";
if (isEnvSet(env[PI_CODING_AGENT_DIR_ENV])) return "pi-compatibility";
return undefined;
}
export function hasAgentDirEnvOverride(env: NodeJS.ProcessEnv, command = DEFAULT_AGENT_COMMAND): boolean {
return isEnvSet(env[PI_WEB_AGENT_DIR_ENV]) || (usesDefaultPiStatePolicy(command) && isEnvSet(env[PI_CODING_AGENT_DIR_ENV]));
const source = agentDirEnvSource(env);
return source === "pi-web" || (source === "pi-compatibility" && usesPiCodingAgentStateCompatibility(command));
}
export function hasAgentSessionDirEnvOverride(env: NodeJS.ProcessEnv, command = DEFAULT_AGENT_COMMAND): boolean {
@@ -391,19 +401,10 @@ function expandHomePath(value: string, env: NodeJS.ProcessEnv): string {
}
function defaultAgentDirForCommand(command: string, env: NodeJS.ProcessEnv): string {
if (usesDefaultPiStatePolicy(command)) return expandHomePath("~/.pi/agent", env);
if (usesPiCodingAgentStateCompatibility(command)) return expandHomePath("~/.pi/agent", env);
throw new Error(`PI WEB config agent.dir or ${PI_WEB_AGENT_DIR_ENV} is required when agent.command is ${JSON.stringify(command)}`);
}
function usesDefaultPiStatePolicy(command: string): boolean {
return !command.includes("/") && !command.includes("\\") && isPiCompanionCommand(command);
}
export function isPiCompanionCommand(command: string): boolean {
const name = command.split(/[\\/]/u).at(-1)?.toLowerCase() ?? command.toLowerCase();
return name.replace(/(?:\.[cm]?js|\.exe|\.cmd)$/iu, "") === DEFAULT_AGENT_COMMAND;
}
function envValue(env: NodeJS.ProcessEnv, key: string): string | undefined {
const value = env[key];
return value !== undefined && value !== "" ? value : undefined;