feat(config): update task config schema for global storage

- Make storage_path truly optional (remove default)
- Add task_list_id as config alternative to env var
- Fix build-schema.ts to use zodToJsonSchema

🤖 Generated with assistance of OhMyOpenCode

script/build-schema.ts

@@ -1,5 +1,6 @@
 #!/usr/bin/env bun
 import * as z from "zod"
+import { zodToJsonSchema } from "zod-to-json-schema"
 import { OhMyOpenCodeConfigSchema } from "../src/config/schema"
 
 const SCHEMA_OUTPUT_PATH = "assets/oh-my-opencode.schema.json"
@@ -7,9 +8,8 @@ const SCHEMA_OUTPUT_PATH = "assets/oh-my-opencode.schema.json"
 async function main() {
   console.log("Generating JSON Schema...")
 
-  const jsonSchema = z.toJSONSchema(OhMyOpenCodeConfigSchema, {
-    io: "input",
-    target: "draft-7",
+  const jsonSchema = zodToJsonSchema(OhMyOpenCodeConfigSchema, {
+    target: "draft7",
   })
 
   const finalSchema = {