fix(config): support uri formats in schema validation

src/plugins/schema-validator.test.ts

@@ -231,4 +231,43 @@ describe("schema validator", () => {
       expect(issue?.text).not.toContain("\x1b");
     }
   });
+
+  it("supports uri-formatted string schemas", () => {
+    const valid = validateJsonSchemaValue({
+      cacheKey: "schema-validator.test.uri.valid",
+      schema: {
+        type: "object",
+        properties: {
+          apiRoot: {
+            type: "string",
+            format: "uri",
+          },
+        },
+        required: ["apiRoot"],
+      },
+      value: { apiRoot: "https://api.telegram.org" },
+    });
+    expect(valid.ok).toBe(true);
+
+    const invalid = validateJsonSchemaValue({
+      cacheKey: "schema-validator.test.uri.invalid",
+      schema: {
+        type: "object",
+        properties: {
+          apiRoot: {
+            type: "string",
+            format: "uri",
+          },
+        },
+        required: ["apiRoot"],
+      },
+      value: { apiRoot: "not a uri" },
+    });
+    expect(invalid.ok).toBe(false);
+    if (!invalid.ok) {
+      expect(invalid.errors.find((entry) => entry.path === "apiRoot")?.message).toContain(
+        "must match format",
+      );
+    }
+  });
 });

src/plugins/schema-validator.ts

@@ -5,6 +5,15 @@ import { sanitizeTerminalText } from "../terminal/safe-text.js";
 
 const require = createRequire(import.meta.url);
 type AjvLike = {
+  addFormat: (
+    name: string,
+    format:
+      | RegExp
+      | {
+          type?: string;
+          validate: (value: string) => boolean;
+        },
+  ) => AjvLike;
   compile: (schema: Record<string, unknown>) => ValidateFunction;
 };
 const ajvSingletons = new Map<"default" | "defaults", AjvLike>();
@@ -25,6 +34,19 @@ function getAjv(mode: "default" | "defaults"): AjvLike {
     removeAdditional: false,
     ...(mode === "defaults" ? { useDefaults: true } : {}),
   });
+  instance.addFormat("uri", {
+    type: "string",
+    validate: (value: string) => {
+      try {
+        // Accept absolute URIs so generated config schemas can keep JSON Schema
+        // `format: "uri"` without noisy AJV warnings during validation/build.
+        new URL(value);
+        return true;
+      } catch {
+        return false;
+      }
+    },
+  });
   ajvSingletons.set(mode, instance);
   return instance;
 }