fix(shared): read JSONC block comments containing URLs

packages/shared/src/schemaJson.test.ts

@@ -44,7 +44,7 @@ Done.`),
     expect(
       decodeLenientJson(`{
         // Comments are valid in settings files.
-        "enabled": true,
+        "enabled": /* See "https://example.com/config" // still in the block */ true,
         "values": [1, 2,],
       }`),
     ).toEqual({
@@ -55,9 +55,11 @@ Done.`),
 
   it("rejects malformed JSON after lenient preprocessing", () => {
     expect(() => decodeLenientJson('{ "enabled": true,, }')).toThrow();
+    expect(() => decodeLenientJson("[1/* https://example.com */2]")).toThrow();
   });
 
-  it("preserves commas before brackets inside string values", () => {
+  it("preserves comment markers and commas before brackets inside string values", () => {
+    expect(decodeLenientJson('"1/* https://example.com */2"')).toBe("1/* https://example.com */2");
     expect(decodeLenientJson('{"note":"a,]"}')).toEqual({ note: "a,]" });
     expect(decodeLenientJson('{"list":["x,}"]}')).toEqual({ list: ["x,}"] });
     expect(decodeLenientJson('{"values":[1, 2,],}')).toEqual({ values: [1, 2] });

packages/shared/src/schemaJson.ts

@@ -158,14 +158,10 @@ export const formatSchemaError = (cause: Cause.Cause<Schema.SchemaError>) => {
 const decodeJsonString = Schema.decodeEffect(Schema.fromJsonString(Schema.Unknown));
 
 const parseLenientJsonGetter = SchemaGetter.transformEffect((input: string) => {
+  // Match comments together so URLs stay inside blocks; whitespace keeps adjacent tokens apart.
   let stripped = input.replace(
-    /("(?:[^"\\]|\\.)*")|\/\/[^\n]*/g,
-    (match, stringLiteral: string | undefined) => (stringLiteral ? match : ""),
-  );
-
-  stripped = stripped.replace(
-    /("(?:[^"\\]|\\.)*")|\/\*[\s\S]*?\*\//g,
-    (match, stringLiteral: string | undefined) => (stringLiteral ? match : ""),
+    /("(?:[^"\\]|\\.)*")|\/\/[^\n]*|\/\*[\s\S]*?\*\//g,
+    (match, stringLiteral: string | undefined) => (stringLiteral ? match : " "),
   );
 
   stripped = stripped.replace(

packages/shared/src/t3ProjectFile.test.ts

@@ -82,10 +82,13 @@ describe("T3ProjectFileFromJson", () => {
 });
 
 describe("parseT3ProjectFile", () => {
-  it("returns the decoded file for valid contents", () => {
-    expect(parseT3ProjectFile('{ "defaultThreadEnvMode": "worktree" }')).toEqual({
-      defaultThreadEnvMode: "worktree",
-    });
+  it("reads project defaults from JSONC with a URL in a block comment", () => {
+    expect(
+      parseT3ProjectFile(`{
+        /* See https://t3.codes/schema/t3.json */
+        "defaultThreadEnvMode": "worktree"
+      }`),
+    ).toEqual({ defaultThreadEnvMode: "worktree" });
   });
 
   it("returns null for malformed or invalid contents", () => {