104 lines
3.8 KiB
TypeScript
104 lines
3.8 KiB
TypeScript
import path from "node:path";
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import { fileURLToPath } from "node:url";
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import { config as loadDotenv } from "dotenv";
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import { z } from "zod";
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loadDotenv({ quiet: true });
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loadDotenv({ path: path.resolve(path.dirname(fileURLToPath(import.meta.url)), "../../.env"), quiet: true });
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const OptionalUrlSchema = z.preprocess(
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(value) => (typeof value === "string" && value.trim() === "" ? undefined : value),
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z.string().trim().url().optional()
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);
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const ChatWebSearchEngineSchema = z.preprocess(
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(value) => {
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if (typeof value !== "string") return value;
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const trimmed = value.trim();
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return trimmed ? trimmed.toLowerCase() : undefined;
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},
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z.enum(["exa", "searxng"]).default("exa")
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);
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const BooleanFlagSchema = z.preprocess((value) => {
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if (typeof value !== "string") return value;
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const normalized = value.trim().toLowerCase();
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if (!normalized) return undefined;
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if (["1", "true", "yes", "on"].includes(normalized)) return true;
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if (["0", "false", "no", "off"].includes(normalized)) return false;
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return value;
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}, z.boolean().default(false));
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const OptionalTrimmedStringSchema = z.preprocess(
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(value) => (typeof value === "string" && value.trim() === "" ? undefined : value),
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z.string().trim().min(1).optional()
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);
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function defaultedPositiveInt(defaultValue: number) {
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return z.preprocess(
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(value) => (typeof value === "string" && value.trim() === "" ? undefined : value),
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z.coerce.number().int().positive().default(defaultValue)
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);
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}
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function defaultedTrimmedString(defaultValue: string) {
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return z.preprocess(
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(value) => (typeof value === "string" && value.trim() === "" ? undefined : value),
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z.string().trim().min(1).default(defaultValue)
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);
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}
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const EnvSchema = z.object({
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PORT: z.coerce.number().int().positive().default(8787),
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HOST: z.string().default("0.0.0.0"),
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// simple bearer-token auth for your personal backend
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ADMIN_TOKEN: z.string().min(20).optional(),
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// provider keys
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OPENAI_API_KEY: z.string().optional(),
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ANTHROPIC_API_KEY: z.string().optional(),
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XAI_API_KEY: z.string().optional(),
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EXA_API_KEY: z.string().optional(),
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// Chat-mode web_search tool configuration. Search mode remains Exa-only for now.
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CHAT_WEB_SEARCH_ENGINE: ChatWebSearchEngineSchema,
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SEARXNG_BASE_URL: OptionalUrlSchema,
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CHAT_MAX_TOOL_ROUNDS: defaultedPositiveInt(100),
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// Optional chat-mode Codex tool. When enabled, the server SSHes into a remote
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// devbox and runs `codex exec` in a persistent scratch directory there.
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CHAT_CODEX_TOOL_ENABLED: BooleanFlagSchema,
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CHAT_CODEX_REMOTE_HOST: OptionalTrimmedStringSchema,
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CHAT_CODEX_REMOTE_USER: OptionalTrimmedStringSchema,
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CHAT_CODEX_REMOTE_PORT: defaultedPositiveInt(22),
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CHAT_CODEX_REMOTE_WORKDIR: defaultedTrimmedString("/workspace/sybil-codex"),
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CHAT_CODEX_SSH_KEY_PATH: OptionalTrimmedStringSchema,
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CHAT_CODEX_SSH_PRIVATE_KEY_B64: OptionalTrimmedStringSchema,
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CHAT_CODEX_EXEC_TIMEOUT_MS: defaultedPositiveInt(600_000),
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// Optional arbitrary shell tool that runs only on the configured devbox.
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CHAT_SHELL_TOOL_ENABLED: BooleanFlagSchema,
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CHAT_SHELL_EXEC_TIMEOUT_MS: defaultedPositiveInt(120_000),
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}).superRefine((value, ctx) => {
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if (value.CHAT_WEB_SEARCH_ENGINE === "searxng" && !value.SEARXNG_BASE_URL) {
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ctx.addIssue({
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code: "custom",
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path: ["SEARXNG_BASE_URL"],
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message: "SEARXNG_BASE_URL is required when CHAT_WEB_SEARCH_ENGINE=searxng",
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});
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}
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if ((value.CHAT_CODEX_TOOL_ENABLED || value.CHAT_SHELL_TOOL_ENABLED) && !value.CHAT_CODEX_REMOTE_HOST) {
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ctx.addIssue({
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code: "custom",
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path: ["CHAT_CODEX_REMOTE_HOST"],
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message: "CHAT_CODEX_REMOTE_HOST is required when CHAT_CODEX_TOOL_ENABLED=true or CHAT_SHELL_TOOL_ENABLED=true",
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});
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}
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});
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export type Env = z.infer<typeof EnvSchema>;
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export const env: Env = EnvSchema.parse(process.env);
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