feat: better config

src/config.ts

@@ -9,31 +9,58 @@ export const workerNames = [
     "deep-hi",
 ] as const;
 
-const assignment = z.strictObject({
+const gptAssignment = z.strictObject({
     model: z.string().trim().min(1),
     effort: z.enum(["none", "minimal", "low", "medium", "high", "xhigh", "max"]),
 });
 
+const customAssignment = gptAssignment.extend({
+    model: z
+        .string()
+        .trim()
+        .refine((model) => {
+            const slash = model.indexOf("/");
+            return slash > 0 && slash < model.length - 1;
+        }, "model must use the provider/model convention"),
+});
+
 const common = {
-    provider: z.string().trim().min(1).default("openai"),
-    lunaPriority: z.boolean().default(true),
     playwright: z.boolean().default(false),
 };
 
 export const settings = z.discriminatedUnion("mode", [
-    z.strictObject({ ...common, mode: z.literal("gpt") }),
+    z
+        .strictObject({
+            ...common,
+            mode: z.literal("gpt"),
+            provider: z.string().trim().min(1).default("openai"),
+            lunaPriority: z.boolean().optional(),
+        })
+        .transform((value, context) => {
+            if (value.provider !== "openai" && value.lunaPriority !== undefined) {
+                context.addIssue({
+                    code: "custom",
+                    path: ["lunaPriority"],
+                    message: "lunaPriority is only supported by the openai provider",
+                });
+                return z.NEVER;
+            }
+            return value.provider === "openai"
+                ? { ...value, lunaPriority: value.lunaPriority ?? true }
+                : value;
+        }),
     z.strictObject({
         ...common,
         mode: z.literal("custom"),
         agents: z.strictObject({
-            "fast-lo": assignment,
-            "fast-hi": assignment,
-            "good-lo": assignment,
-            "good-hi": assignment,
-            "deep-lo": assignment,
-            "deep-hi": assignment,
+            "fast-lo": customAssignment,
+            "fast-hi": customAssignment,
+            "good-lo": customAssignment,
+            "good-hi": customAssignment,
+            "deep-lo": customAssignment,
+            "deep-hi": customAssignment,
             // Deprecated compatibility field. Coordinate is derived from deep-lo/good-lo.
-            coordinate: assignment.optional(),
+            coordinate: customAssignment.optional(),
         }),
     }),
 ]);
@@ -45,4 +72,4 @@ export const gptAgents = {
     "good-hi": { model: "gpt-5.6-sol", effort: "high" },
     "deep-lo": { model: "gpt-6-astra", effort: "low" },
     "deep-hi": { model: "gpt-6-astra", effort: "high" },
-} satisfies Record<(typeof workerNames)[number], z.infer<typeof assignment>>;
+} satisfies Record<(typeof workerNames)[number], z.infer<typeof gptAssignment>>;