diff --git a/packages/opencode/src/tool/apply_patch.ts b/packages/opencode/src/tool/apply_patch.ts
index effc428c71..72f24a3f60 100644
--- a/packages/opencode/src/tool/apply_patch.ts
+++ b/packages/opencode/src/tool/apply_patch.ts
@@ -27,7 +27,10 @@ export const ApplyPatchTool = Tool.define(
     const format = yield* Format.Service
     const bus = yield* Bus.Service
 
-    const run = Effect.fn("ApplyPatchTool.execute")(function* (params: Schema.Schema.Type<typeof Parameters>, ctx: Tool.Context) {
+    const run = Effect.fn("ApplyPatchTool.execute")(function* (
+      params: Schema.Schema.Type<typeof Parameters>,
+      ctx: Tool.Context,
+    ) {
       if (!params.patchText) {
         return yield* Effect.fail(new Error("patchText is required"))
       }
@@ -297,7 +300,8 @@ export const ApplyPatchTool = Tool.define(
     return {
       description: DESCRIPTION,
       parameters: Parameters,
-      execute: (params: Schema.Schema.Type<typeof Parameters>, ctx: Tool.Context) => run(params, ctx).pipe(Effect.orDie),
+      execute: (params: Schema.Schema.Type<typeof Parameters>, ctx: Tool.Context) =>
+        run(params, ctx).pipe(Effect.orDie),
     }
   }),
 )
diff --git a/packages/opencode/src/tool/read.ts b/packages/opencode/src/tool/read.ts
index e7bfc6af33..d0995626c0 100644
--- a/packages/opencode/src/tool/read.ts
+++ b/packages/opencode/src/tool/read.ts
@@ -148,7 +148,10 @@ export const ReadTool = Tool.define(
       return nonPrintableCount / bytes.length > 0.3
     }
 
-    const run = Effect.fn("ReadTool.execute")(function* (params: Schema.Schema.Type<typeof Parameters>, ctx: Tool.Context) {
+    const run = Effect.fn("ReadTool.execute")(function* (
+      params: Schema.Schema.Type<typeof Parameters>,
+      ctx: Tool.Context,
+    ) {
       if (params.offset !== undefined && params.offset < 1) {
         return yield* Effect.fail(new Error("offset must be greater than or equal to 1"))
       }
@@ -284,7 +287,8 @@ export const ReadTool = Tool.define(
     return {
       description: DESCRIPTION,
       parameters: Parameters,
-      execute: (params: Schema.Schema.Type<typeof Parameters>, ctx: Tool.Context) => run(params, ctx).pipe(Effect.orDie),
+      execute: (params: Schema.Schema.Type<typeof Parameters>, ctx: Tool.Context) =>
+        run(params, ctx).pipe(Effect.orDie),
     }
   }),
 )
diff --git a/packages/opencode/src/tool/task.ts b/packages/opencode/src/tool/task.ts
index 98f6bdd98f..5cb0dc6a83 100644
--- a/packages/opencode/src/tool/task.ts
+++ b/packages/opencode/src/tool/task.ts
@@ -34,7 +34,10 @@ export const TaskTool = Tool.define(
     const config = yield* Config.Service
     const sessions = yield* Session.Service
 
-    const run = Effect.fn("TaskTool.execute")(function* (params: Schema.Schema.Type<typeof Parameters>, ctx: Tool.Context) {
+    const run = Effect.fn("TaskTool.execute")(function* (
+      params: Schema.Schema.Type<typeof Parameters>,
+      ctx: Tool.Context,
+    ) {
       const cfg = yield* config.get()
 
       if (!ctx.extra?.bypassAgentCheck) {
@@ -166,7 +169,8 @@ export const TaskTool = Tool.define(
     return {
       description: DESCRIPTION,
       parameters: Parameters,
-      execute: (params: Schema.Schema.Type<typeof Parameters>, ctx: Tool.Context) => run(params, ctx).pipe(Effect.orDie),
+      execute: (params: Schema.Schema.Type<typeof Parameters>, ctx: Tool.Context) =>
+        run(params, ctx).pipe(Effect.orDie),
     }
   }),
 )
diff --git a/packages/opencode/src/tool/todo.ts b/packages/opencode/src/tool/todo.ts
index c493d3a71a..18d21cf61e 100644
--- a/packages/opencode/src/tool/todo.ts
+++ b/packages/opencode/src/tool/todo.ts
@@ -8,7 +8,9 @@ import { Todo } from "../session/todo"
 // identical, and it removes the last zod dependency from this tool.
 const TodoItem = Schema.Struct({
   content: Schema.String.annotate({ description: "Brief description of the task" }),
-  status: Schema.String.annotate({ description: "Current status of the task: pending, in_progress, completed, cancelled" }),
+  status: Schema.String.annotate({
+    description: "Current status of the task: pending, in_progress, completed, cancelled",
+  }),
   priority: Schema.String.annotate({ description: "Priority level of the task: high, medium, low" }),
 })
 
diff --git a/packages/opencode/src/tool/tool.ts b/packages/opencode/src/tool/tool.ts
index c9115e9ff1..7e753cb9bc 100644
--- a/packages/opencode/src/tool/tool.ts
+++ b/packages/opencode/src/tool/tool.ts
@@ -31,19 +31,25 @@ export interface ExecuteResult<M extends Metadata = Metadata> {
   attachments?: Omit<MessageV2.FilePart, "id" | "sessionID" | "messageID">[]
 }
 
-export interface Def<Parameters extends Schema.Decoder<unknown> = Schema.Decoder<unknown>, M extends Metadata = Metadata> {
+export interface Def<
+  Parameters extends Schema.Decoder<unknown> = Schema.Decoder<unknown>,
+  M extends Metadata = Metadata,
+> {
   id: string
   description: string
   parameters: Parameters
   execute(args: Schema.Schema.Type<Parameters>, ctx: Context): Effect.Effect<ExecuteResult<M>>
   formatValidationError?(error: unknown): string
 }
-export type DefWithoutID<Parameters extends Schema.Decoder<unknown> = Schema.Decoder<unknown>, M extends Metadata = Metadata> = Omit<
-  Def<Parameters, M>,
-  "id"
->
+export type DefWithoutID<
+  Parameters extends Schema.Decoder<unknown> = Schema.Decoder<unknown>,
+  M extends Metadata = Metadata,
+> = Omit<Def<Parameters, M>, "id">
 
-export interface Info<Parameters extends Schema.Decoder<unknown> = Schema.Decoder<unknown>, M extends Metadata = Metadata> {
+export interface Info<
+  Parameters extends Schema.Decoder<unknown> = Schema.Decoder<unknown>,
+  M extends Metadata = Metadata,
+> {
   id: string
   init: () => Effect.Effect<DefWithoutID<Parameters, M>>
 }
@@ -121,7 +127,12 @@ function wrap<Parameters extends Schema.Decoder<unknown>, Result extends Metadat
     })
 }
 
-export function define<Parameters extends Schema.Decoder<unknown>, Result extends Metadata, R, ID extends string = string>(
+export function define<
+  Parameters extends Schema.Decoder<unknown>,
+  Result extends Metadata,
+  R,
+  ID extends string = string,
+>(
   id: ID,
   init: Effect.Effect<Init<Parameters, Result>, never, R>,
 ): Effect.Effect<Info<Parameters, Result>, never, R | Truncate.Service | Agent.Service> & { id: ID } {
@@ -136,7 +147,9 @@ export function define<Parameters extends Schema.Decoder<unknown>, Result extend
   )
 }
 
-export function init<P extends Schema.Decoder<unknown>, M extends Metadata>(info: Info<P, M>): Effect.Effect<Def<P, M>> {
+export function init<P extends Schema.Decoder<unknown>, M extends Metadata>(
+  info: Info<P, M>,
+): Effect.Effect<Def<P, M>> {
   return Effect.gen(function* () {
     const init = yield* info.init()
     return {
diff --git a/packages/opencode/src/util/effect-zod.ts b/packages/opencode/src/util/effect-zod.ts
index 2bbad2dd75..332a5c76eb 100644
--- a/packages/opencode/src/util/effect-zod.ts
+++ b/packages/opencode/src/util/effect-zod.ts
@@ -59,7 +59,6 @@ export function toJsonSchema<S extends Schema.Top>(schema: S) {
   return z.toJSONSchema(zod(schema), { io: "input" })
 }
 
-
 function walk(ast: SchemaAST.AST): z.ZodTypeAny {
   const cached = walkCache.get(ast)
   if (cached) return cached