chore(agent): release 0.4.0 (#26)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

.release-please-manifest.json

@@ -1,5 +1,5 @@
 {
   "packages/sandbox": "0.2.0",
-  "packages/agent": "0.3.0",
+  "packages/agent": "0.4.0",
   "packages/provider": "0.2.0"
 }

packages/agent/CHANGELOG.md

@@ -1,5 +1,21 @@
 # Changelog
 
+## [0.4.0](https://github.com/coder/ai-sdk/compare/agent-v0.3.0...agent-v0.4.0) (2026-07-14)
+
+Upgrades the agent package to AI SDK v7 stable. This is a breaking change that requires consumers to migrate to the v7 AI SDK APIs.
+
+### Highlights
+
+- All dependencies have been upgraded to AI SDK v7 stable, which is a breaking change requiring consumers to update accordingly. ([#21](https://github.com/coder/ai-sdk/pull/21))
+
+### ⚠ BREAKING CHANGES
+
+* upgrade all packages to AI SDK v7 stable ([#21](https://github.com/coder/ai-sdk/issues/21))
+
+### Features
+
+* upgrade all packages to AI SDK v7 stable ([#21](https://github.com/coder/ai-sdk/issues/21)) ([cba261c](https://github.com/coder/ai-sdk/commit/cba261c5e08225a54765cf998fe793a67745ca0c))
+
 ## [0.3.0](https://github.com/coder/ai-sdk/compare/agent-v0.2.1...agent-v0.3.0) (2026-07-09)
 
 This release improves streaming correctness and overall robustness of the agent, adds previously missing helper functions, and refines lifecycle handling. It also bounds recovery requests and hardens the structured-output example.

packages/agent/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@coder/ai-sdk-agent",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "A Vercel AI SDK-compliant agent backed by Coder Agents, Coder's server-side agent runtime. `new CoderAgent()` returns a real AI SDK Agent (generate/stream).",
   "keywords": [
     "agent",