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Add runtime stream enable/disable/status commands (#951)

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* Add runtime stream management commands

* Run rustfmt and satisfy clippy

* Fix stream disable cleanup semantics

* Format stream disable regression tests
This commit is contained in:
Thomas Kosiewski
2026-03-25 11:36:16 -07:00
committed by GitHub
parent eb64ca497a
commit 67b5ee1600
13 changed files with 850 additions and 38 deletions
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README.md
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@@ -125,6 +125,9 @@ agent-browser pdf <path> # Save as PDF
agent-browser snapshot # Accessibility tree with refs (best for AI)
agent-browser eval <js> # Run JavaScript (-b for base64, --stdin for piped input)
agent-browser connect <port> # Connect to browser via CDP
agent-browser stream enable [--port <port>] # Start runtime WebSocket streaming
agent-browser stream status # Show runtime streaming state and bound port
agent-browser stream disable # Stop runtime WebSocket streaming
agent-browser close # Close browser (aliases: quit, exit)
```
@@ -925,13 +928,26 @@ Stream the browser viewport via WebSocket for live preview or "pair browsing" wh
### Enable Streaming
Set the `AGENT_BROWSER_STREAM_PORT` environment variable:
For an already-running session, enable streaming at runtime:
```bash
agent-browser stream enable
agent-browser stream status
agent-browser stream disable
```
`stream enable` binds an available localhost port automatically unless you pass `--port <port>`.
Use `stream status` to inspect whether streaming is enabled, which port is active, whether a browser is attached, and whether screencasting is active.
If you want streaming to be available immediately when the daemon starts, set `AGENT_BROWSER_STREAM_PORT` before the first command in that session:
```bash
AGENT_BROWSER_STREAM_PORT=9223 agent-browser open example.com
```
This starts a WebSocket server on the specified port that streams the browser viewport and accepts input events.
The environment variable only affects daemon startup. For sessions that are already running, use `agent-browser stream enable` instead.
Once enabled, the WebSocket server streams the browser viewport and accepts input events.
### WebSocket Protocol