feat(core): add pluggable web search (#35558)

Co-authored-by: Dax Raad <d@ironbay.co>

packages/plugin/src/v2/effect/index.ts

@@ -9,3 +9,4 @@ export { Model } from "@opencode-ai/schema/model"
 export { Provider } from "@opencode-ai/schema/provider"
 export { Reference } from "@opencode-ai/schema/reference"
 export { Skill } from "@opencode-ai/schema/skill"
+export { WebSearch } from "@opencode-ai/schema/websearch"

packages/plugin/src/v2/effect/plugin.ts

@@ -12,6 +12,7 @@ import type { ReferenceDomain } from "./reference.js"
 import type { SessionDomain } from "./session.js"
 import type { SkillDomain } from "./skill.js"
 import type { ToolDomain } from "./tool.js"
+import type { WebSearchDomain } from "./websearch.js"
 
 export interface Context {
   readonly app: App
@@ -27,6 +28,7 @@ export interface Context {
   readonly session: SessionDomain
   readonly skill: SkillDomain
   readonly tool: ToolDomain
+  readonly websearch: WebSearchDomain
 }
 
 export interface Plugin<R = Scope.Scope> {

packages/plugin/src/v2/effect/websearch.ts

@@ -0,0 +1,23 @@
+import type { WebSearch } from "@opencode-ai/schema/websearch"
+import type { WebsearchApi } from "@opencode-ai/client/effect/api"
+import type { Effect } from "effect"
+import type { Transform } from "./registration.js"
+
+export interface WebSearchDefinition {
+  readonly id: string
+  readonly name: string
+  readonly execute: (input: WebSearch.ProviderInput) => Effect.Effect<readonly WebSearch.Result[], unknown>
+}
+
+export interface WebSearchDomain extends WebsearchApi<unknown> {
+  readonly transform: Transform<WebSearchDraft>
+  readonly reload: () => Effect.Effect<void>
+}
+
+export interface WebSearchDraft {
+  add(definition: WebSearchDefinition): void
+  readonly default: {
+    get(): string | undefined
+    set(providerID: string): void
+  }
+}

packages/plugin/src/v2/promise/index.ts

@@ -10,3 +10,4 @@ export { Model } from "@opencode-ai/schema/model"
 export { Provider } from "@opencode-ai/schema/provider"
 export { Reference } from "@opencode-ai/schema/reference"
 export { Skill } from "@opencode-ai/schema/skill"
+export { WebSearch } from "@opencode-ai/schema/websearch"

packages/plugin/src/v2/promise/integration.ts

@@ -1,10 +1,32 @@
 import type { IntegrationApi } from "@opencode-ai/client/promise/api"
 import type { IntegrationDraft, IntegrationMethodRegistration } from "../effect/integration.js"
-import type { CredentialValue } from "@opencode-ai/sdk/v2/types"
+import type {
+  CredentialOAuth,
+  CredentialValue,
+  IntegrationEnvMethod,
+  IntegrationInputs,
+  IntegrationKeyMethod,
+  IntegrationOAuthMethod,
+} from "@opencode-ai/sdk/v2/types"
 import type { Transform } from "./registration.js"
 
 export type { IntegrationDraft, IntegrationMethodRegistration }
 
+export type IntegrationOAuthAuthorization = {
+  readonly url: string
+  readonly instructions: string
+  readonly expiresAt?: number
+} & (
+  | {
+      readonly mode: "auto"
+      readonly callback: Promise<CredentialOAuth>
+    }
+  | {
+      readonly mode: "code"
+      readonly callback: (code: string) => Promise<CredentialOAuth>
+    }
+)
+
 export interface IntegrationDomain extends Omit<IntegrationApi, "wellknown"> {
   readonly transform: Transform<IntegrationDraft>
   readonly reload: () => Promise<void>

packages/plugin/src/v2/promise/plugin.ts

@@ -11,6 +11,7 @@ import type { ReferenceDomain } from "./reference.js"
 import type { SessionDomain } from "./session.js"
 import type { SkillDomain } from "./skill.js"
 import type { ToolDomain } from "./tool.js"
+import type { WebSearchDomain } from "./websearch.js"
 
 export interface Context {
   readonly app: App
@@ -26,6 +27,7 @@ export interface Context {
   readonly session: SessionDomain
   readonly skill: SkillDomain
   readonly tool: ToolDomain
+  readonly websearch: WebSearchDomain
 }
 
 export type Cleanup = () => Promise<void> | void

packages/plugin/src/v2/promise/websearch.ts

@@ -0,0 +1,25 @@
+import type { WebSearch } from "@opencode-ai/schema/websearch"
+import type { WebSearchApi } from "@opencode-ai/client/promise/api"
+import type { Transform } from "./registration.js"
+
+export interface WebSearchDefinition {
+  readonly id: string
+  readonly name: string
+  readonly execute: (
+    input: WebSearch.ProviderInput,
+    context: { readonly signal: AbortSignal },
+  ) => Promise<readonly WebSearch.Result[]>
+}
+
+export interface WebSearchDomain extends WebSearchApi {
+  readonly transform: Transform<WebSearchDraft>
+  readonly reload: () => Promise<void>
+}
+
+export interface WebSearchDraft {
+  add(definition: WebSearchDefinition): void
+  readonly default: {
+    get(): string | undefined
+    set(providerID: string): void
+  }
+}