From c32c2e8a8f892b375dd8c47cbd303dbe37913f4f Mon Sep 17 00:00:00 2001
From: Aiden Cline <aidenpcline@gmail.com>
Date: Wed, 18 Mar 2026 18:16:00 -0500
Subject: [PATCH] feat: add model reconciliation hook

---
 packages/opencode/src/plugin/index.ts |  6 +++---
 packages/plugin/src/index.ts          | 11 +++++++++++
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/packages/opencode/src/plugin/index.ts b/packages/opencode/src/plugin/index.ts
index 8790efac49b..a57084e2e79 100644
--- a/packages/opencode/src/plugin/index.ts
+++ b/packages/opencode/src/plugin/index.ts
@@ -110,9 +110,9 @@ export namespace Plugin {
   })
 
   export async function trigger<
-    Name extends Exclude<keyof Required<Hooks>, "auth" | "event" | "tool">,
-    Input = Parameters<Required<Hooks>[Name]>[0],
-    Output = Parameters<Required<Hooks>[Name]>[1],
+    Name extends Exclude<keyof Required<Hooks>, "auth" | "event" | "tool" | "provider">,
+    Input = Parameters<Extract<Required<Hooks>[Name], (...args: any) => any>>[0],
+    Output = Parameters<Extract<Required<Hooks>[Name], (...args: any) => any>>[1],
   >(name: Name, input: Input, output: Output): Promise<Output> {
     if (!name) return output
     for (const hook of await state().then((x) => x.hooks)) {
diff --git a/packages/plugin/src/index.ts b/packages/plugin/src/index.ts
index 7e5ae7a6ec5..2ab5195fba7 100644
--- a/packages/plugin/src/index.ts
+++ b/packages/plugin/src/index.ts
@@ -159,6 +159,16 @@ export type AuthOuathResult = { url: string; instructions: string } & (
     }
 )
 
+export type ProviderHook = {
+  id: string
+  models?: {
+    reconcile?: (input: {
+      provider: Provider
+      models: Record<string, Model>
+    }) => Promise<Record<string, Model> | undefined>
+  }
+}
+
 export interface Hooks {
   event?: (input: { event: Event }) => Promise<void>
   config?: (input: Config) => Promise<void>
@@ -166,6 +176,7 @@ export interface Hooks {
     [key: string]: ToolDefinition
   }
   auth?: AuthHook
+  provider?: ProviderHook
   /**
    * Called when a new message is received
    */