Add postinstall script and update session/release configuration

🤖 Generated with [OpenCode](https://opencode.ai)

Co-Authored-By: OpenCode <[email protected]>

3 files changed, 107 insertions, 12 deletions

diff --git a/packages/opencode/script/postinstall.js b/packages/opencode/script/postinstall.js
new file mode 100644
index 000000000..7bf119269
--- /dev/null
+++ b/packages/opencode/script/postinstall.js
@@ -0,0 +1,90 @@
+#!/usr/bin/env node
+
+import fs from "fs"
+import path from "path"
+import os from "os"
+import { fileURLToPath } from "url"
+import { createRequire } from "module"
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url))
+const require = createRequire(import.meta.url)
+
+function detectPlatformAndArch() {
+  // Map platform names
+  let platform
+  switch (os.platform()) {
+    case "darwin":
+      platform = "darwin"
+      break
+    case "linux":
+      platform = "linux"
+      break
+    case "win32":
+      platform = "win32"
+      break
+    default:
+      platform = os.platform()
+      break
+  }
+
+  // Map architecture names
+  let arch
+  switch (os.arch()) {
+    case "x64":
+      arch = "x64"
+      break
+    case "arm64":
+      arch = "arm64"
+      break
+    case "arm":
+      arch = "arm"
+      break
+    default:
+      arch = os.arch()
+      break
+  }
+
+  return { platform, arch }
+}
+
+function findBinary() {
+  const { platform, arch } = detectPlatformAndArch()
+  const packageName = `opencode-${platform}-${arch}`
+  const binary = platform === "win32" ? "opencode.exe" : "opencode"
+
+  try {
+    // Use require.resolve to find the package
+    const packageJsonPath = require.resolve(`${packageName}/package.json`)
+    const packageDir = path.dirname(packageJsonPath)
+    const binaryPath = path.join(packageDir, "bin", binary)
+
+    if (!fs.existsSync(binaryPath)) {
+      throw new Error(`Binary not found at ${binaryPath}`)
+    }
+
+    return binaryPath
+  } catch (error) {
+    throw new Error(`Could not find package ${packageName}: ${error.message}`)
+  }
+}
+
+function main() {
+  try {
+    const binaryPath = findBinary()
+    const binScript = path.join(__dirname, "bin", "opencode")
+
+    // Remove existing bin script if it exists
+    if (fs.existsSync(binScript)) {
+      fs.unlinkSync(binScript)
+    }
+
+    // Create symlink to the actual binary
+    fs.symlinkSync(binaryPath, binScript)
+    console.log(`OpenCode binary symlinked: ${binScript} -> ${binaryPath}`)
+  } catch (error) {
+    console.error("Failed to create OpenCode binary symlink:", error.message)
+    process.exit(1)
+  }
+}
+
+main()
diff --git a/packages/opencode/script/release.ts b/packages/opencode/script/release.ts
index 39a9acf43..e75ca9736 100755
--- a/packages/opencode/script/release.ts
+++ b/packages/opencode/script/release.ts
@@ -51,6 +51,7 @@ for (const [os, arch] of targets) {
 
 await $`mkdir -p ./dist/${pkg.name}`
 await $`cp -r ./bin ./dist/${pkg.name}/bin`
+await $`cp ./script/postinstall.js ./dist/${pkg.name}/postinstall.js`
 await Bun.file(`./dist/${pkg.name}/package.json`).write(
   JSON.stringify(
     {
@@ -58,6 +59,9 @@ await Bun.file(`./dist/${pkg.name}/package.json`).write(
       bin: {
         [pkg.name]: `./bin/${pkg.name}`,
       },
+      scripts: {
+        postinstall: "node ./postinstall.js",
+      },
       version,
       optionalDependencies,
     },
diff --git a/packages/opencode/src/session/index.ts b/packages/opencode/src/session/index.ts
index 8ffabaa60..59d0ca361 100644
--- a/packages/opencode/src/session/index.ts
+++ b/packages/opencode/src/session/index.ts
@@ -465,22 +465,23 @@ export namespace Session {
             } else text.text += value.text
             break
 
-          case "tool-call":
-            next.parts.push({
-              type: "tool-invocation",
-              toolInvocation: {
-                state: "call",
-                ...value,
-                // hack until zod v4
-                args: value.args as any,
-              },
-            })
+          case "tool-call": {
+            const [match] = next.parts.flatMap((p) =>
+              p.type === "tool-invocation" &&
+              p.toolInvocation.toolCallId === value.toolCallId
+                ? [p]
+                : [],
+            )
+            if (!match) break
+            match.toolInvocation.args = value.args
+            match.toolInvocation.state = "call"
             Bus.publish(Message.Event.PartUpdated, {
-              part: next.parts[next.parts.length - 1],
+              part: match,
               messageID: next.id,
               sessionID: next.metadata.sessionID,
             })
             break
+          }
 
           case "tool-call-streaming-start":
             next.parts.push({
@@ -572,7 +573,7 @@ export namespace Session {
         await updateMessage(next)
         return step
       },
-      toolCallStreaming: false,
+      toolCallStreaming: true,
       abortSignal: abort.signal,
       stopWhen: stepCountIs(1000),
       messages: convertToModelMessages(msgs),