refactor(core): simplify session pagination

packages/opencode/test/server/httpapi-query-schema-drift.test.ts

@@ -25,7 +25,6 @@ import {
 } from "../../src/server/routes/instance/httpapi/groups/session"
 import { PtyPaths } from "../../src/server/routes/instance/httpapi/groups/pty"
 import { MessagesQuery as V2MessagesQuery } from "../../src/server/routes/instance/httpapi/groups/v2/message"
-import { SessionsQuery as V2SessionsQuery } from "../../src/server/routes/instance/httpapi/groups/v2/session"
 import { QueryBoolean, QueryBooleanOpenApi } from "../../src/server/routes/instance/httpapi/groups/query"
 import { resetDatabase } from "../fixture/db"
 import { disposeAllInstances, tmpdir } from "../fixture/fixture"
@@ -55,7 +54,6 @@ const openApiDriftRoutes = [
   { method: "get", path: ExperimentalPaths.session, query: ExperimentalSessionListQuery },
   { method: "get", path: ExperimentalPaths.tool, query: ToolListQuery },
   { method: "get", path: InstancePaths.vcsDiff, query: VcsDiffQuery },
-  { method: "get", path: "/api/session", query: V2SessionsQuery },
   { method: "get", path: "/api/session/:sessionID/message", query: V2MessagesQuery },
 ] satisfies Array<{ method: Method; path: string; query: QuerySchema }>
 
@@ -72,8 +70,6 @@ const numericSdkQueryParams = [
     name: "limit",
     schema: { type: "integer", minimum: 0, maximum: Number.MAX_SAFE_INTEGER },
   },
-  { method: "get", path: "/api/session", name: "limit", schema: { type: "number" } },
-  { method: "get", path: "/api/session", name: "start", schema: { type: "number" } },
   { method: "get", path: "/api/session/:sessionID/message", name: "limit", schema: { type: "number" } },
 ] satisfies Array<{ method: Method; path: string; name: string; schema: OpenApiSchema }>
 
@@ -81,7 +77,6 @@ const booleanSdkQueryParams = [
   { method: "get", path: ExperimentalPaths.session, name: "roots" },
   { method: "get", path: ExperimentalPaths.session, name: "archived" },
   { method: "get", path: SessionPaths.list, name: "roots" },
-  { method: "get", path: "/api/session", name: "roots" },
 ] satisfies Array<{ method: Method; path: string; name: string }>
 
 const queryParamPatterns = [
@@ -239,7 +234,7 @@ describe("httpapi query schema drift", () => {
             ],
           },
           path: "/fixture",
-          query: { fields: {} },
+          query: Schema.Struct({}),
         }),
       ).toThrow("advertises query params not accepted by runtime schema")
     }),