feat(project): support project metadata updates

packages/protocol/src/errors.ts

@@ -1,5 +1,6 @@
 import { Schema } from "effect"
 import { Skill } from "@opencode-ai/schema/skill"
+import { Project } from "@opencode-ai/schema/project"
 
 export class InvalidRequestError extends Schema.TaggedErrorClass<InvalidRequestError>()(
   "InvalidRequestError",
@@ -62,6 +63,15 @@ export class ProviderNotFoundError extends Schema.TaggedErrorClass<ProviderNotFo
   { httpApiStatus: 404 },
 ) {}
 
+export class ProjectNotFoundError extends Schema.TaggedErrorClass<ProjectNotFoundError>()(
+  "ProjectNotFoundError",
+  {
+    projectID: Project.ID,
+    message: Schema.String,
+  },
+  { httpApiStatus: 404 },
+) {}
+
 export class SessionNotFoundError extends Schema.TaggedErrorClass<SessionNotFoundError>()(
   "SessionNotFoundError",
   {

packages/protocol/src/groups/project.ts

@@ -2,6 +2,7 @@ import { Project } from "@opencode-ai/schema/project"
 import { Schema } from "effect"
 import { HttpApiEndpoint, HttpApiGroup, OpenApi } from "effect/unstable/httpapi"
 import { LocationQuery, locationQueryOpenApi } from "./location.js"
+import { ProjectNotFoundError } from "../errors.js"
 
 const root = "/api/project"
 
@@ -17,6 +18,20 @@ export const ProjectGroup = HttpApiGroup.make("server.project")
       }),
     ),
   )
+  .add(
+    HttpApiEndpoint.patch("project.update", `${root}/:projectID`, {
+      params: { projectID: Project.ID },
+      payload: Project.UpdateInput,
+      success: Project.Info,
+      error: ProjectNotFoundError,
+    }).annotateMerge(
+      OpenApi.annotations({
+        identifier: "v2.project.update",
+        summary: "Update project",
+        description: "Update project metadata.",
+      }),
+    ),
+  )
   .add(
     HttpApiEndpoint.get("project.current", `${root}/current`, {
       query: LocationQuery,