fix(ccam-open): always rebuild the dashboard bundle

/ccam-open built only when client/dist was missing, so a stale bundle
silently outlived code fixes (seen 2026-08-13: fix b0bfc66 wasn't served
until a --force rebuild). Pass --force unconditionally.

plugins/ccam/commands/ccam-open.md

@@ -1,19 +1,19 @@
 ---
-description: Build the dashboard UI if needed and print its URL
+description: Rebuild the dashboard UI and print its URL
 ---
 
-Build the dashboard bundle if it is not there yet, then print the URL. The
-bootstrap already builds it on session start, so this is usually a no-op — use
-it to force a rebuild, or to finish the build if the bootstrap's own attempt
-failed (check `~/.claude/agent-dashboard/runtime/client-build.log`).
+Rebuild the dashboard bundle, then print the URL. Always forces a rebuild so a
+stale bundle (e.g. after a fix commit landed but the bootstrap's build predates
+it) never serves silently. Also finishes the build if the bootstrap's own
+attempt failed (check `~/.claude/agent-dashboard/runtime/client-build.log`).
 
 ```bash
-node "${CLAUDE_PLUGIN_ROOT}/scripts/plugin-open.js"
+node "${CLAUDE_PLUGIN_ROOT}/scripts/plugin-open.js" --force
 ```
 
-The first run installs the client toolchain and takes a few minutes; later runs
-print the URL immediately. No server restart is needed — the server already
-serves from that directory.
+Install + build takes a few minutes if the client toolchain isn't already
+installed; otherwise the rebuild itself takes ~10-15s. No server restart is
+needed — the server already serves from that directory.
 
 Then help the user open it:
 
@@ -25,5 +25,4 @@ uname -s
 - `Linux` → `xdg-open <url>`
 - otherwise → tell them to open the URL in a browser.
 
-Keep the output to a few lines. Pass `--force` to the script only if the user
-asks for a rebuild.
+Keep the output to a few lines.