feat(core): add external credential references

packages/client/src/promise/generated/types.ts

@@ -308,6 +308,8 @@ export type CredentialOAuth = {
   metadata?: { [x: string]: JsonValue }
 }
 
+export type CredentialExternal = { type: "external"; methodID: string; metadata?: { [x: string]: JsonValue } }
+
 export type ProjectVcs = string
 
 export type ProjectIcon = { url?: string; override?: string; color?: string }
@@ -1492,7 +1494,7 @@ export type ConnectionCredentialInfo = {
   type: "credential"
   id: string
   label: string
-  method: "key" | "oauth"
+  method: "key" | "oauth" | "external"
   status?: ConnectionStatus
 }
 
@@ -2256,7 +2258,7 @@ export type SessionMessageAssistantTool1 = {
 
 export type FormFields = [FormField, ...Array<FormField>]
 
-export type CredentialValue = CredentialOAuth | CredentialKey
+export type CredentialValue = CredentialOAuth | CredentialKey | CredentialExternal
 
 export type FormFields2 = [FormField1, ...Array<FormField1>]
 
@@ -5854,6 +5856,11 @@ export type CredentialCreateInput = {
             readonly [x: string]: string | number | "Infinity" | "-Infinity" | "NaN" | boolean | ReadonlyArray<string>
           }
         }
+      | {
+          readonly type: "external"
+          readonly methodID: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+        }
     readonly activate?: boolean
   }["id"]
   readonly integrationID: {
@@ -5877,6 +5884,11 @@ export type CredentialCreateInput = {
             readonly [x: string]: string | number | "Infinity" | "-Infinity" | "NaN" | boolean | ReadonlyArray<string>
           }
         }
+      | {
+          readonly type: "external"
+          readonly methodID: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+        }
     readonly activate?: boolean
   }["integrationID"]
   readonly label?: {
@@ -5900,6 +5912,11 @@ export type CredentialCreateInput = {
             readonly [x: string]: string | number | "Infinity" | "-Infinity" | "NaN" | boolean | ReadonlyArray<string>
           }
         }
+      | {
+          readonly type: "external"
+          readonly methodID: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+        }
     readonly activate?: boolean
   }["label"]
   readonly value: {
@@ -5923,6 +5940,11 @@ export type CredentialCreateInput = {
             readonly [x: string]: string | number | "Infinity" | "-Infinity" | "NaN" | boolean | ReadonlyArray<string>
           }
         }
+      | {
+          readonly type: "external"
+          readonly methodID: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+        }
     readonly activate?: boolean
   }["value"]
   readonly activate?: {
@@ -5946,6 +5968,11 @@ export type CredentialCreateInput = {
             readonly [x: string]: string | number | "Infinity" | "-Infinity" | "NaN" | boolean | ReadonlyArray<string>
           }
         }
+      | {
+          readonly type: "external"
+          readonly methodID: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+        }
     readonly activate?: boolean
   }["activate"]
 }

packages/core/src/credential.ts

@@ -19,6 +19,9 @@ export type OAuth = Credential.OAuth
 export const Key = Credential.Key
 export type Key = Credential.Key
 
+export const External = Credential.External
+export type External = Credential.External
+
 export const Value = Credential.Value
 export type Value = Credential.Value
 

packages/core/src/integration.ts

@@ -165,7 +165,7 @@ export interface Interface extends State.Transformable<Editor> {
   readonly connection: {
     /** Returns the active connection for one integration. */
     readonly active: (id: ID) => Effect.Effect<IntegrationConnection.Info | undefined>
-    /** Resolves a connection into usable credential material. */
+    /** Resolves a connection into credential material or an external credential-source reference. */
     readonly resolve: (
       connection: IntegrationConnection.Info,
     ) => Effect.Effect<Credential.Value | undefined, AuthorizationError>
@@ -700,7 +700,7 @@ const layer = Layer.effect(
           }
           const credential = yield* credentials.get(connection.id)
           if (!credential) return undefined
-          if (credential.value.type === "key") return credential.value
+          if (credential.value.type !== "oauth") return credential.value
           const implementation = state
             .get()
             .integrations.get(credential.integrationID)

packages/core/src/model-resolver.ts

@@ -306,7 +306,7 @@ function unresolvedProviderVariables(model: RuntimeInfo, baseURL: string) {
 }
 
 const nativeCredentialSettings = (specifier: string, credential: Credential.Value | undefined) => {
-  if (!credential) return {}
+  if (!credential || credential.type === "external") return {}
   if (credential.type === "key") return { apiKey: credential.key }
   if (specifier === "@opencode/ai/providers/anthropic" || specifier === "@opencode/ai/providers/anthropic-compatible")
     return { authToken: credential.access }

packages/core/src/plugin/provider/azure.ts

@@ -235,7 +235,7 @@ export function make(
 
       const resourceDeployments = Effect.fn("AzurePlugin.resourceDeployments")(function* (
         url: string,
-        credential: Credential.Value,
+        credential: Credential.Key | Credential.OAuth,
       ) {
         return yield* http
           .execute(
@@ -266,7 +266,7 @@ export function make(
       // data-plane version 2022-12-01 has it; later versions dropped `/deployments` and keep `/models`, which lists
       // models the resource can deploy rather than its deployments.
       // https://github.com/Azure/azure-rest-api-specs/blob/main/specification/cognitiveservices/data-plane/OpenAIAuthoring/stable/2022-12-01/azureopenai.json
-      const deployments = (url: string, resource: string, credential: Credential.Value) =>
+      const deployments = (url: string, resource: string, credential: Credential.Key | Credential.OAuth) =>
         credential.type === "oauth"
           ? managementDeployments(resource).pipe(Effect.catch(() => resourceDeployments(url, credential)))
           : resourceDeployments(url, credential)
@@ -308,7 +308,12 @@ export function make(
         const credential = yield* ctx.integration.connection
           .resolve(connection)
           .pipe(Effect.orElseSucceed(() => undefined))
-        if (!credential || (credential.type === "oauth" && credential.methodID !== methodID)) return
+        if (
+          !credential ||
+          credential.type === "external" ||
+          (credential.type === "oauth" && credential.methodID !== methodID)
+        )
+          return
         const found = yield* deployments(url, name, credential).pipe(
           // Azure promises no order; normalize it so a reordered response does not rebuild the model list.
           Effect.map((list) => list.toSorted((a, b) => a.name.localeCompare(b.name))),

packages/core/src/plugin/provider/gitlab.ts

@@ -69,7 +69,7 @@ export const GitLabPlugin = define({
       const credential = stored
         ? yield* ctx.integration.connection.resolve(stored).pipe(Effect.orElseSucceed(() => undefined))
         : undefined
-      if (!stored || !credential) {
+      if (!stored || !credential || credential.type === "external") {
         loaded.models = undefined
         loaded.connection = undefined
         return

packages/core/src/plugin/provider/opencode.ts

@@ -201,7 +201,7 @@ export const OpencodePlugin = define<HttpClient.HttpClient | Bus.Service | Manag
       }
       return yield* ctx.integration.connection.resolve(connection).pipe(
         Effect.flatMap((credential) => {
-          if (!credential)
+          if (!credential || credential.type === "external")
             return Effect.succeed({ config: undefined, connection, organization: undefined, mcp: undefined })
           return fetchConfig(http, credential).pipe(
             Effect.map((config) => ({
@@ -360,7 +360,8 @@ export const OpencodePlugin = define<HttpClient.HttpClient | Bus.Service | Manag
               return yield* Effect.fail(new Error("OpenCode Console connection changed"))
             }
             const credential = yield* ctx.integration.connection.resolve(active)
-            if (!credential) return yield* Effect.fail(new Error("OpenCode Console is not connected"))
+            if (!credential || credential.type === "external")
+              return yield* Effect.fail(new Error("OpenCode Console is not connected"))
             const metadata = credential.metadata
             const orgID = typeof metadata?.orgID === "string" ? metadata.orgID : undefined
             const token = credential.type === "oauth" ? credential.access : credential.key
@@ -469,7 +470,7 @@ export const OpencodePlugin = define<HttpClient.HttpClient | Bus.Service | Manag
   }),
 })
 
-function fetchConfig(http: HttpClient.HttpClient, value: Credential.Value) {
+function fetchConfig(http: HttpClient.HttpClient, value: Credential.Key | Credential.OAuth) {
   // Scoped so responses whose body is never read (404, errors) are released here instead of by a GC-time abort.
   return HttpClient.withScope(http)
     .execute(
@@ -532,7 +533,7 @@ function organizationName(credential: Credential.Value) {
   return typeof credential.metadata?.orgName === "string" ? credential.metadata.orgName : undefined
 }
 
-function credentialHeaders(value: Credential.Value): Record<string, string> {
+function credentialHeaders(value: Credential.Key | Credential.OAuth): Record<string, string> {
   const orgID = value.metadata?.orgID
   return {
     authorization: `Bearer ${value.type === "oauth" ? value.access : value.key}`,

packages/schema/src/connection.ts

@@ -20,8 +20,8 @@ export const CredentialInfo = Schema.Struct({
   type: Schema.Literal("credential"),
   id: Credential.ID,
   label: Schema.String,
-  /** How the credential was obtained: a stored key or an OAuth grant. */
-  method: Schema.Literals(["key", "oauth"]),
+  /** Whether the connection stores a key, an OAuth grant, or an external credential-source reference. */
+  method: Schema.Literals(["key", "oauth", "external"]),
   status: optional(Status),
 }).annotate({ identifier: "Connection.CredentialInfo" })
 

packages/schema/src/credential.ts

@@ -46,7 +46,15 @@ export const Key = Schema.Struct({
   configuration: optional(Form.Answer),
 }).annotate({ identifier: "Credential.Key" })
 
-export const Value = Schema.Union([OAuth, Key])
+/** References a credential source whose secrets and renewal are managed outside the credential store. */
+export interface External extends Schema.Schema.Type<typeof External> {}
+export const External = Schema.Struct({
+  type: Schema.Literal("external"),
+  methodID: IntegrationMethodID,
+  metadata: optional(Schema.Record(Schema.String, Schema.Unknown)),
+}).annotate({ identifier: "Credential.External" })
+
+export const Value = Schema.Union([OAuth, Key, External])
   .pipe(Schema.toTaggedUnion("type"))
   .annotate({ identifier: "Credential.Value" })
 export type Value = Schema.Schema.Type<typeof Value>